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| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:3 ~ main[317d]::FnLt[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:3 ~ main[317d]::FnLt[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(TraitPredicate(<Self as FnLt<'a>>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(TraitPredicate(<Self as FnLt<'a>>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as FnLt<'a>>)), result=TraitPredicate(<Self as FnLt<'a>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:1:1: 3:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 3:2, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self, dir=EqTo, b_vid=_#0t, generalized b_ty=Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(1, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:1:1: 3:2, body_id: NodeId(4), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(1, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(1, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:1:1: 3:2, body_id: NodeId(4), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(1, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(0) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#0r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<Self as FnLt<'a>>) <: Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<Self as FnLt<'a>>), b=Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<Self as FnLt<'a>>), result=<Self as FnLt<'a>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), ReEarlyBound(1, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as FnLt<'a>>)), result=TraitPredicate(<Self as FnLt<'a>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:1:1: 3:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 3:2, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self, dir=EqTo, b_vid=_#0t, generalized b_ty=Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(1, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:1:1: 3:2, body_id: NodeId(4), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(1, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(1, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:1:1: 3:2, body_id: NodeId(4), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(1, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(0) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#0r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([Self, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)),depth=1), Obligation(predicate=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)),depth=1), Obligation(predicate=Binder(TraitPredicate(<Self as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([Self, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)), result=ProjectionPredicate(ProjectionTy { substs: Slice([Self, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)), result=TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 3:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 3:2, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 3:2, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as std::ops::FnOnce<(&u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=10)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)), result=TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 3:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 3:2, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 3:2, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as std::ops::FnOnce<(&u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=10)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=NormalizeProjectionType(/usr/local/google/home/cramertj/src/rust/src/libcore/ops/function.rs:219:5: 219:17) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(_ == &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8 dir=EqTo b_vid=_#1t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8, dir=EqTo, b_vid=_#1t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(1) new_elem_threshold=1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#1t) new_elem_threshold=1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=Some([Obligation(predicate=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)),depth=1)])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<Self as FnLt<'a>>) <: Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<Self as FnLt<'a>>), b=Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<Self as FnLt<'a>>), result=<Self as FnLt<'a>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), ReEarlyBound(1, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<Self as FnLt<'a>>) <: Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<Self as FnLt<'a>>), b=Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<Self as FnLt<'a>>), result=<Self as FnLt<'a>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), ReEarlyBound(1, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:3 ~ main[317d]::FnLt[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:3 ~ main[317d]::FnLt[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:5 ~ main[317d]::{{impl}}[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:5 ~ main[317d]::{{impl}}[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=<T as FnLt<'a>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=<T as FnLt<'a>> predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8)), Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), Binder(TraitPredicate(<T as std::marker::Sized>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8)), Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), Binder(TraitPredicate(<T as std::marker::Sized>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:6:1: 13:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:6:1: 13:2, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:6:1: 13:2, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<(&'a u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:6:1: 13:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:6:1: 13:2, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:6:1: 13:2, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<(&'a u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), b=<T as std::ops::FnOnce<(&'a u8,)>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), result=(<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=<T as FnLt<'a>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=<T as FnLt<'a>> predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as FnLt<'a>>)), result=TraitPredicate(<T as FnLt<'a>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:6:13: 6:21, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:6:13: 6:21, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=T dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=T, dir=EqTo, b_vid=_#0t, generalized b_ty=T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(0) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#0r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as FnLt<'a>>)), result=TraitPredicate(<T as FnLt<'a>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:6:13: 6:21, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:6:13: 6:21, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=T dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=T, dir=EqTo, b_vid=_#0t, generalized b_ty=T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(0) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#0r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)),depth=1), Obligation(predicate=Binder(TraitPredicate(<T as std::ops::FnOnce<(&u8,)>>)),depth=1), Obligation(predicate=Binder(TraitPredicate(<T as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<(&'a u8,) as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<(&'a u8,) as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<(&'a u8,) as std::marker::Sized>), result=<(&'a u8,) as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<(&'a u8,) as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(&'a u8), result=&'a u8, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(TraitPredicate(<&'a u8 as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<&'a u8 as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<&'a u8 as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<&'a u8 as std::marker::Sized>), result=<&'a u8 as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<&'a u8 as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: register_region_obligation(body_id=NodeId(20), obligation=RegionObligation(sub_region=ReEarlyBound(0, 'a), sup_type=u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::marker::Sized>), result=<T as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::marker::Sized>), result=<T as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)), result=ProjectionPredicate(ProjectionTy { substs: Slice([T, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&u8,)>>), result=<T as std::ops::FnOnce<(&u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&u8,)>>), result=<T as std::ops::FnOnce<(&u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), b=<T as std::ops::FnOnce<(&u8,)>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), result=(<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(&'a u8 == &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=Some([])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&u8,)>>), result=<T as std::ops::FnOnce<(&u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(0, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<T as FnLt<'a>>), parent_code: MiscObligation }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = T | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations: sup_type=u8 sub_region=ReEarlyBound(0, 'a) cause=ObligationCause { span: main.rs:6:1: 13:2, body_id: NodeId(20), code: ReferenceOutlivesReferent(&'a u8) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=u8, region=ReEarlyBound(0, 'a), origin=ReferenceOutlivesReferent(&'a u8, main.rs:6:1: 13:2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:5 ~ main[317d]::{{impl}}[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Constraint 0 => RegSubVar(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Constraint 1 => VarSubReg('_#0r, ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:5 ~ main[317d]::{{impl}}[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=RegSubVar(ReEarlyBound(0, 'a), '_#0r) origin=Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expand_node(ReEarlyBound(0, 'a), '_#0r == Value(ReEmpty)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Expanding value of '_#0r from ReEmpty to ReEarlyBound(0, 'a) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Updated due to constraint RegSubVar(ReEarlyBound(0, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=VarSubReg('_#0r, ReEarlyBound(0, 'a)) origin=Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=RegSubVar(ReEarlyBound(0, 'a), '_#0r) origin=Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expand_node(ReEarlyBound(0, 'a), '_#0r == Value(ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::free_region_map: lub_free_regions(r_a=ReEarlyBound(0, 'a), r_b=ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::free_region_map: lub_free_regions(r_a=ReEarlyBound(0, 'a), r_b=ReEarlyBound(0, 'a)) = ReEarlyBound(0, 'a) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=VarSubReg('_#0r, ReEarlyBound(0, 'a)) origin=Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 2 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: constraint=RegSubVar(ReEarlyBound(0, 'a), '_#0r) origin=Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: constraint=VarSubReg('_#0r, ReEarlyBound(0, 'a)) origin=Subtype(TypeTrace(ObligationCause { span: main.rs:6:13: 6:21, body_id: NodeId(20), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: contraction: '_#0r == Value(ReEarlyBound(0, 'a)), ReEarlyBound(0, 'a) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([impl for<'a> FnLt<'a>]; variadic: false)->())) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([impl for<'a> FnLt<'a>]; variadic: false)->()) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([impl for<'a> FnLt<'a>]; variadic: false)->())) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([impl for<'a> FnLt<'a>]; variadic: false)->()) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(TraitPredicate(<impl for<'a> FnLt<'a> as std::marker::Sized>)), Binder(TraitPredicate(<impl for<'a> FnLt<'a> as FnLt<'a>>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(TraitPredicate(<impl for<'a> FnLt<'a> as std::marker::Sized>)), Binder(TraitPredicate(<impl for<'a> FnLt<'a> as FnLt<'a>>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>) <: Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), b=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), result=<impl for<'a> FnLt<'a> as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(impl for<'a> FnLt<'a>, impl for<'a> FnLt<'a>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>) <: Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), b=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), result=<impl for<'a> FnLt<'a> as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(impl for<'a> FnLt<'a>, impl for<'a> FnLt<'a>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = impl for<'a> FnLt<'a> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = () | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:8 ~ main[317d]::main[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:8 ~ main[317d]::main[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([]; variadic: false)->())) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([]; variadic: false)->()) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([]; variadic: false)->())) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([]; variadic: false)->()) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = () | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:8 ~ main[317d]::main[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:8 ~ main[317d]::main[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:4 ~ main[317d]::FnLt[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:4 ~ main[317d]::FnLt[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([Self, &'a u8]; variadic: false)->&'a u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([Self, &'a u8]; variadic: false)->&'a u8) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([Self, &'a u8]; variadic: false)->&'a u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([Self, &'a u8]; variadic: false)->&'a u8) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(TraitPredicate(<Self as FnLt<'a>>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(TraitPredicate(<Self as FnLt<'a>>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([Self, &'a u8]; variadic: false)->&'a u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([Self, &'a u8]; variadic: false)->&'a u8) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Self predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Self predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(Self == Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(Self == Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(Self == Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as FnLt<'a>>)), result=TraitPredicate(<Self as FnLt<'a>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:2:5: 2:45, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:2:5: 2:45, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self, dir=EqTo, b_vid=_#0t, generalized b_ty=Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(1, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:2:5: 2:45, body_id: NodeId(7), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(1, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(1, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:2:5: 2:45, body_id: NodeId(7), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(1, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(0) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#0r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<Self as FnLt<'a>>) <: Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<Self as FnLt<'a>>), b=Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<Self as FnLt<'a>>), result=<Self as FnLt<'a>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), ReEarlyBound(1, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as FnLt<'a>>)), result=TraitPredicate(<Self as FnLt<'a>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:2:5: 2:45, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:2:5: 2:45, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=Self, dir=EqTo, b_vid=_#0t, generalized b_ty=Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), '_#0r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(1, 'a), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:2:5: 2:45, body_id: NodeId(7), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(1, 'a), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReEarlyBound(1, 'a)) due to Subtype(TypeTrace(ObligationCause { span: main.rs:2:5: 2:45, body_id: NodeId(7), code: ItemObligation(DefId(0/0:3 ~ main[317d]::FnLt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReEarlyBound(1, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(0) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=0 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#0r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([Self, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)),depth=1), Obligation(predicate=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)),depth=1), Obligation(predicate=Binder(TraitPredicate(<Self as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([Self, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)), result=ProjectionPredicate(ProjectionTy { substs: Slice([Self, (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)), result=TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:2:5: 2:45, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:2:5: 2:45, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:2:5: 2:45, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as std::ops::FnOnce<(&u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=10)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)), result=TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:2:5: 2:45, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:2:5: 2:45, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:2:5: 2:45, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<Self as std::ops::FnOnce<(&u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=10)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=NormalizeProjectionType(/usr/local/google/home/cramertj/src/rust/src/libcore/ops/function.rs:219:5: 219:17) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(_ == &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8 dir=EqTo b_vid=_#1t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8, dir=EqTo, b_vid=_#1t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(1) new_elem_threshold=1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#1t) new_elem_threshold=1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=Some([Obligation(predicate=Binder(TraitPredicate(<Self as std::ops::FnOnce<(&u8,)>>)),depth=1)])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<Self as FnLt<'a>>) <: Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<Self as FnLt<'a>>), b=Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<Self as FnLt<'a>>), result=<Self as FnLt<'a>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), ReEarlyBound(1, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<Self as FnLt<'a>>) <: Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<Self as FnLt<'a>>), b=Binder(<Self as FnLt<'a>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<Self as FnLt<'a>>), result=<Self as FnLt<'a>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(Self, Self) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReEarlyBound(1, 'a), ReEarlyBound(1, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<Self as FnLt<'a>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: register_region_obligation(body_id=NodeId(7), obligation=RegionObligation(sub_region=ReEarlyBound(1, 'a), sup_type=u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = Self | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = &'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = &'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations: sup_type=u8 sub_region=ReEarlyBound(1, 'a) cause=ObligationCause { span: main.rs:2:5: 2:45, body_id: NodeId(7), code: ReferenceOutlivesReferent(&'a u8) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=u8, region=ReEarlyBound(1, 'a), origin=ReferenceOutlivesReferent(&'a u8, main.rs:2:5: 2:45)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:4 ~ main[317d]::FnLt[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:4 ~ main[317d]::FnLt[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=<T as FnLt<'a>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=<T as FnLt<'a>> predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([T, &'a u8]; variadic: false)->&'a u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([T, &'a u8]; variadic: false)->&'a u8) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([T, &'a u8]; variadic: false)->&'a u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([T, &'a u8]; variadic: false)->&'a u8) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8)), Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), Binder(TraitPredicate(<T as std::marker::Sized>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8)), Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), Binder(TraitPredicate(<T as std::marker::Sized>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:10:5: 12:6, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:10:5: 12:6, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:10:5: 12:6, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<(&'a u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:10:5: 12:6, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:10:5: 12:6, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:10:5: 12:6, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<(&'a u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), b=<T as std::ops::FnOnce<(&'a u8,)>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), result=(<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=Binder(([T, &'a u8]; variadic: false)->&'a u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=Binder(([T, &'a u8]; variadic: false)->&'a u8) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=T predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=T predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(T == T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(T == T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(T == T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<(&'a u8,) as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<(&'a u8,) as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<(&'a u8,) as std::marker::Sized>), result=<(&'a u8,) as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<(&'a u8,) as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(&'a u8), result=&'a u8, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(TraitPredicate(<&'a u8 as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<&'a u8 as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<&'a u8 as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<&'a u8 as std::marker::Sized>), result=<&'a u8 as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<&'a u8 as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: register_region_obligation(body_id=NodeId(35), obligation=RegionObligation(sub_region=ReEarlyBound(0, 'a), sup_type=u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::marker::Sized>), result=<T as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::marker::Sized>), result=<T as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = T | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = T | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = &'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = &'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations: sup_type=u8 sub_region=ReEarlyBound(0, 'a) cause=ObligationCause { span: main.rs:10:5: 12:6, body_id: NodeId(35), code: ReferenceOutlivesReferent(&'a u8) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=u8, region=ReEarlyBound(0, 'a), origin=ReferenceOutlivesReferent(&'a u8, main.rs:10:5: 12:6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([T, &'a u8]; variadic: false)->&'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([T, &'a u8]; variadic: false)->&'a u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([T, &'a u8]; variadic: false)->&'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([T, &'a u8]; variadic: false)->&'a u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(fn(T, &'a u8) -> &'a u8 <: fn(T, &'a u8) -> &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(fn(T, &'a u8) -> &'a u8, fn(T, &'a u8) -> &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([T, &'a u8]; variadic: false)->&'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([T, &'a u8]; variadic: false)->&'a u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types(value=&'a u8, parent_def_id=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0]), body_id=NodeId(81), param_env=ParamEnv { caller_bounds: Slice([Binder(TraitPredicate(<T as std::marker::Sized>)), Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), Binder(ProjectionPredicate(ProjectionTy { substs: Slice([T, (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8))]), reveal: UserFacing }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types_in_map(value=&'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeInference(main.rs:10:14: 10:18) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeInference(main.rs:10:20: 10:25) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(T == _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=T dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=T, dir=EqTo, b_vid=_#0t, generalized b_ty=T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(&'a u8 == _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8 dir=EqTo b_vid=_#1t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8, dir=EqTo, b_vid=_#1t, generalized b_ty=&'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=T predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "Args") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin MiscVariable(main.rs:1:1: 1:1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=MiscVariable(main.rs:1:1: 1:1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::Fn<_>>)), result=TraitPredicate(<T as std::ops::Fn<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 1:1, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::Fn<_>> == <&_ as std::ops::Fn<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "Args") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin MiscVariable(main.rs:1:1: 1:1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=MiscVariable(main.rs:1:1: 1:1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnMut<_>>)), result=TraitPredicate(<T as std::ops::FnMut<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 1:1, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnMut<_>> == <&mut _ as std::ops::FnMut<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnMut<_>>)), result=TraitPredicate(<T as std::ops::FnMut<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 1:1, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnMut<_>> == <&_ as std::ops::FnMut<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "Args") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin MiscVariable(main.rs:1:1: 1:1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=MiscVariable(main.rs:1:1: 1:1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<_>>)), result=TraitPredicate(<T as std::ops::FnOnce<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 1:1, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<_>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<_>>)), result=TraitPredicate(<T as std::ops::FnOnce<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:1:1: 1:1, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:1:1: 1:1, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<_>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&u8,)>>) <: Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&u8,)>>), b=Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<_>>), result=<T as std::ops::FnOnce<_>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<_>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&u8,) dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&u8,), dir=EqTo, b_vid=_#0t, generalized b_ty=(&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=4294967295 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[(&u8,)] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&u8,)>>) <: Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&u8,)>>), b=Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<_>>), result=<T as std::ops::FnOnce<_>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<_>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&u8,) dir=EqTo b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&u8,), dir=EqTo, b_vid=_#0t, generalized b_ty=(&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#0t) new_elem_threshold=4294967295 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[(&u8,)] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([T, _]; variadic: false)-><T as std::ops::FnOnce<_>>::Output) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<_>>), result=<T as std::ops::FnOnce<_>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<_>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,) dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,), dir=EqTo, b_vid=_#4t, generalized b_ty=(&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=4294967295 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[(&'a u8,)] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<_>>)), result=TraitPredicate(<T as std::ops::FnOnce<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:11:9: 11:22, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<_>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<_>>)), result=TraitPredicate(<T as std::ops::FnOnce<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:11:9: 11:22, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<_>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<_>>), result=<T as std::ops::FnOnce<_>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<_>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,) dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,), dir=EqTo, b_vid=_#4t, generalized b_ty=(&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=4294967295 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[(&'a u8,)] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<_>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<_>>), result=<T as std::ops::FnOnce<_>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<_>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,) dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,), dir=EqTo, b_vid=_#4t, generalized b_ty=(&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=4294967295 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[(&'a u8,)] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), b=<T as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), result=(<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,) dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(&'a u8,), dir=EqTo, b_vid=_#4t, generalized b_ty=(&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([T, _]; variadic: false)->&'a u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(TraitPredicate(<T as std::ops::FnOnce<_>>)), Binder(TraitPredicate(<_ as std::marker::Sized>)), Binder(TraitPredicate(<<T as std::ops::FnOnce<_>>::Output as std::marker::Sized>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:11:9: 11:22, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<(&'a u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:11:9: 11:22, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<T as std::ops::FnOnce<(&'a u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=3)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), b=<T as std::ops::FnOnce<(&'a u8,)>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8)), result=(<T as std::ops::FnOnce<(&'a u8,)>>, &'a u8), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(TraitPredicate(<T as std::ops::FnOnce<(&'a u8,)>>)), Binder(TraitPredicate(<(&'a u8,) as std::marker::Sized>)), Binder(TraitPredicate(<&'a u8 as std::marker::Sized>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::fudge: fudge_regions_if_ok(origin=Coercion(main.rs:11:9: 11:22)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&'a u8 <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=&'a u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin Coercion(main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=MiscVariable(main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8 dir=SupertypeOf b_vid=_#5t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin MiscVariable(main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8, dir=SupertypeOf, b_vid=_#5t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.regions(ReEarlyBound(0, 'a), '_#1r) self.cause=None | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: ExprAssignable })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#7t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<&u8>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#6t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#6t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#2r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#7t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#7t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(6) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(7) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#6t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#7t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r, '_#3r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#7t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#7t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<&u8>> == <&mut _ as std::ops::CoerceUnsized<&mut _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(9) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#2r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=9)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#7t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#7t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<&u8>> == <&mut _ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=10)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#7t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:11:16: 11:21, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#7t, diverging=false, origin=TypeParameterDefinition(main.rs:11:16: 11:21, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#6t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#6t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#2r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:16: 11:21, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#7t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#7t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(6) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(7) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#6t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#7t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r, '_#3r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(OutlivesPredicate('_#3r, '_#2r)),depth=1), Obligation(predicate=Binder(TraitPredicate(<u8 as std::marker::Unsize<u8>>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#7t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&'a u8 <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&'a u8 <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<&'a u8 as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<&'a u8 as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<&'a u8 as std::marker::Sized>), result=<&'a u8 as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<&'a u8 as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::marker::Sized>), result=<T as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<T as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::marker::Sized>), result=<T as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::ops::FnOnce<(&'a u8,)>>) <: Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), b=Binder(<T as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<T as std::ops::FnOnce<(&'a u8,)>>), result=<T as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, T) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&'a u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<T as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<T as std::marker::Sized>) <: Binder(<(&'a u8,) as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<T as std::marker::Sized>), b=Binder(<(&'a u8,) as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<(&'a u8,) as std::marker::Sized>), result=<(&'a u8,) as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<T as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<(&'a u8,) as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(T, (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(&'a u8), result=&'a u8, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(TraitPredicate(<&'a u8 as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: register_region_obligation(body_id=NodeId(81), obligation=RegionObligation(sub_region=ReEarlyBound(0, 'a), sup_type=u8)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin Coercion(main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=MiscVariable(main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8 dir=SupertypeOf b_vid=_#5t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin MiscVariable(main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8, dir=SupertypeOf, b_vid=_#5t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.regions(ReEarlyBound(0, 'a), '_#1r) self.cause=None | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:9: 11:22, body_id: NodeId(81), code: ExprAssignable })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:11:9: 11:22, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:11:9: 11:22, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#7t, diverging=false, origin=TypeParameterDefinition(main.rs:11:9: 11:22, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:9: 11:22, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:9: 11:22, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#6t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#6t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#2r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:9: 11:22, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:11:9: 11:22, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#7t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#7t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(6) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(7) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#6t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#7t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r, '_#3r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(OutlivesPredicate('_#3r, '_#2r)),depth=1), Obligation(predicate=Binder(TraitPredicate(<u8 as std::marker::Unsize<u8>>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#7t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&'a u8 <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin Coercion(main.rs:10:45: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=MiscVariable(main.rs:10:45: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8 dir=SupertypeOf b_vid=_#5t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin MiscVariable(main.rs:10:45: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&'a u8, dir=SupertypeOf, b_vid=_#5t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.regions(ReEarlyBound(0, 'a), '_#1r) self.cause=None | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReEarlyBound(0, 'a), '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:10:45: 12:6, body_id: NodeId(81), code: ExprAssignable })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReEarlyBound(0, 'a), '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:10:45: 12:6, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:10:45: 12:6, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:10:45: 12:6, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#7t, diverging=false, origin=TypeParameterDefinition(main.rs:10:45: 12:6, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:10:45: 12:6, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:10:45: 12:6, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#6t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#6t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#2r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:10:45: 12:6, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:10:45: 12:6, body_id: NodeId(81), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#7t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#7t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(6) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(7) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#6t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#7t) new_elem_threshold=6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r, '_#3r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(OutlivesPredicate('_#3r, '_#2r)),depth=1), Obligation(predicate=Binder(TraitPredicate(<u8 as std::marker::Unsize<u8>>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#7t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&'a u8 <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&'a u8 <: &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&'a u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = T | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = &'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = &'a u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=&'a u8, region=ReScope(Node(ItemLocalId(5))), origin=ExprTypeIsNotInScope(&'a u8, main.rs:10:45: 12:6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: sub_regions(ReScope(Node(ItemLocalId(5))) <: ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReScope(Node(ItemLocalId(5))), ReEarlyBound(0, 'a)) due to ExprTypeIsNotInScope(&'a u8, main.rs:10:45: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReScope(Node(ItemLocalId(5))), ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=&'a u8, region=ReScope(Node(ItemLocalId(3))), origin=ExprTypeIsNotInScope(&'a u8, main.rs:11:9: 11:22)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: sub_regions(ReScope(Node(ItemLocalId(3))) <: ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a)) due to ExprTypeIsNotInScope(&'a u8, main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=T, region=ReScope(Node(ItemLocalId(3))), origin=ParameterInScope(OverloadedOperator, main.rs:11:9: 11:22)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: param_ty_must_outlive(region=ReScope(Node(ItemLocalId(3))), param_ty=T/#1, origin=ParameterInScope(OverloadedOperator, main.rs:11:9: 11:22)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: param_bound(param_ty=T/#1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: verify_generic_bound(T/#1, ReScope(Node(ItemLocalId(3))) <: AnyRegion([ReScope(CallSite(ItemLocalId(5)))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_verify(Verify { kind: T/#1, origin: ParameterInScope(OverloadedOperator, main.rs:11:9: 11:22), region: ReScope(Node(ItemLocalId(3))), bound: AnyRegion([ReScope(CallSite(ItemLocalId(5)))]) }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=(&'a u8,), region=ReScope(Node(ItemLocalId(3))), origin=ParameterInScope(OverloadedOperator, main.rs:11:9: 11:22)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: sub_regions(ReScope(Node(ItemLocalId(3))) <: ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a)) due to ParameterInScope(OverloadedOperator, main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=&'a u8, region=ReScope(Node(ItemLocalId(3))), origin=CallArg(main.rs:11:16: 11:21)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: sub_regions(ReScope(Node(ItemLocalId(3))) <: ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a)) due to CallArg(main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=T, region=ReScope(Node(ItemLocalId(3))), origin=CallRcvr(main.rs:11:9: 11:15)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: param_ty_must_outlive(region=ReScope(Node(ItemLocalId(3))), param_ty=T/#1, origin=CallRcvr(main.rs:11:9: 11:15)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: param_bound(param_ty=T/#1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: verify_generic_bound(T/#1, ReScope(Node(ItemLocalId(3))) <: AnyRegion([ReScope(CallSite(ItemLocalId(5)))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_verify(Verify { kind: T/#1, origin: CallRcvr(main.rs:11:9: 11:15), region: ReScope(Node(ItemLocalId(3))), bound: AnyRegion([ReScope(CallSite(ItemLocalId(5)))]) }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=T, region=ReScope(Node(ItemLocalId(1))), origin=ExprTypeIsNotInScope(T, main.rs:11:9: 11:15)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: param_ty_must_outlive(region=ReScope(Node(ItemLocalId(1))), param_ty=T/#1, origin=ExprTypeIsNotInScope(T, main.rs:11:9: 11:15)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: param_bound(param_ty=T/#1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: verify_generic_bound(T/#1, ReScope(Node(ItemLocalId(1))) <: AnyRegion([ReScope(CallSite(ItemLocalId(5)))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_verify(Verify { kind: T/#1, origin: ExprTypeIsNotInScope(T, main.rs:11:9: 11:15), region: ReScope(Node(ItemLocalId(1))), bound: AnyRegion([ReScope(CallSite(ItemLocalId(5)))]) }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=&'a u8, region=ReScope(Node(ItemLocalId(2))), origin=ExprTypeIsNotInScope(&'a u8, main.rs:11:16: 11:21)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: sub_regions(ReScope(Node(ItemLocalId(2))) <: ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReScope(Node(ItemLocalId(2))), ReEarlyBound(0, 'a)) due to ExprTypeIsNotInScope(&'a u8, main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReScope(Node(ItemLocalId(2))), ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations: sup_type=u8 sub_region=ReEarlyBound(0, 'a) cause=ObligationCause { span: main.rs:11:9: 11:22, body_id: NodeId(81), code: ReferenceOutlivesReferent(&'a u8) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=u8, region=ReEarlyBound(0, 'a), origin=ReferenceOutlivesReferent(&'a u8, main.rs:11:9: 11:22)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=&'a u8, region=ReScope(CallSite(ItemLocalId(5))), origin=CallReturn(main.rs:10:5: 12:6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: sub_regions(ReScope(CallSite(ItemLocalId(5))) <: ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReScope(CallSite(ItemLocalId(5))), ReEarlyBound(0, 'a)) due to CallReturn(main.rs:10:5: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReScope(CallSite(ItemLocalId(5))), ReEarlyBound(0, 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: constrain_anon_types() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Constraint 0 => RegSubReg(ReScope(Node(ItemLocalId(2))), ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Constraint 1 => RegSubReg(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Constraint 2 => RegSubReg(ReScope(CallSite(ItemLocalId(5))), ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: Constraint 3 => RegSubReg(ReScope(Node(ItemLocalId(5))), ReEarlyBound(0, 'a)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:6 ~ main[317d]::{{impl}}[0]::apply[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=RegSubReg(ReScope(Node(ItemLocalId(2))), ReEarlyBound(0, 'a)) origin=ExprTypeIsNotInScope(&'a u8, main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=RegSubReg(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a)) origin=ExprTypeIsNotInScope(&'a u8, main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=RegSubReg(ReScope(CallSite(ItemLocalId(5))), ReEarlyBound(0, 'a)) origin=CallReturn(main.rs:10:5: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: expansion: constraint=RegSubReg(ReScope(Node(ItemLocalId(5))), ReEarlyBound(0, 'a)) origin=ExprTypeIsNotInScope(&'a u8, main.rs:10:45: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: constraint=RegSubReg(ReScope(Node(ItemLocalId(2))), ReEarlyBound(0, 'a)) origin=ExprTypeIsNotInScope(&'a u8, main.rs:11:16: 11:21) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: constraint=RegSubReg(ReScope(Node(ItemLocalId(3))), ReEarlyBound(0, 'a)) origin=ExprTypeIsNotInScope(&'a u8, main.rs:11:9: 11:22) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: constraint=RegSubReg(ReScope(CallSite(ItemLocalId(5))), ReEarlyBound(0, 'a)) origin=CallReturn(main.rs:10:5: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: constraint=RegSubReg(ReScope(Node(ItemLocalId(5))), ReEarlyBound(0, 'a)) origin=ExprTypeIsNotInScope(&'a u8, main.rs:10:45: 12:6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: verify=Verify { kind: T/#1, origin: ParameterInScope(OverloadedOperator, main.rs:11:9: 11:22), region: ReScope(Node(ItemLocalId(3))), bound: AnyRegion([ReScope(CallSite(ItemLocalId(5)))]) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: verify=Verify { kind: T/#1, origin: CallRcvr(main.rs:11:9: 11:15), region: ReScope(Node(ItemLocalId(3))), bound: AnyRegion([ReScope(CallSite(ItemLocalId(5)))]) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_errors: verify=Verify { kind: T/#1, origin: ExprTypeIsNotInScope(T, main.rs:11:9: 11:15), region: ReScope(Node(ItemLocalId(1))), bound: AnyRegion([ReScope(CallSite(ItemLocalId(5)))]) } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([impl for<'a> FnLt<'a>]; variadic: false)->()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([impl for<'a> FnLt<'a>]; variadic: false)->() predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types(value=(), parent_def_id=DefId(0/0:7 ~ main[317d]::take_fn_lt[0]), body_id=NodeId(82), param_env=ParamEnv { caller_bounds: Slice([Binder(TraitPredicate(<impl for<'a> FnLt<'a> as FnLt<'a>>)), Binder(TraitPredicate(<impl for<'a> FnLt<'a> as std::marker::Sized>))]), reveal: UserFacing }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types_in_map(value=()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(() == ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=MiscVariable(main.rs:15:41: 15:43) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=() dir=SupertypeOf b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(), dir=SupertypeOf, b_vid=_#0t, generalized b_ty=()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::ops::CoerceUnsized<()>>)), result=TraitPredicate(<() as std::ops::CoerceUnsized<()>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:15:41: 15:43, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:15:41: 15:43, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:15:41: 15:43, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:15:41: 15:43, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::ops::CoerceUnsized<()>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::ops::CoerceUnsized<()>>)), result=TraitPredicate(<() as std::ops::CoerceUnsized<()>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:15:41: 15:43, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:15:41: 15:43, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:15:41: 15:43, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::ops::CoerceUnsized<()>> == <&mut _ as std::ops::CoerceUnsized<&mut _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::ops::CoerceUnsized<()>>)), result=TraitPredicate(<() as std::ops::CoerceUnsized<()>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin EarlyBoundRegion(main.rs:15:41: 15:43, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:15:41: 15:43, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeParameterDefinition(main.rs:15:41: 15:43, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=TypeParameterDefinition(main.rs:15:41: 15:43, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::ops::CoerceUnsized<()>> == <&mut _ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#1t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#0t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(() <: ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(() <: ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>) <: Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), b=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), result=<impl for<'a> FnLt<'a> as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(impl for<'a> FnLt<'a>, impl for<'a> FnLt<'a>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>) <: Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), b=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<impl for<'a> FnLt<'a> as std::marker::Sized>), result=<impl for<'a> FnLt<'a> as std::marker::Sized>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(impl for<'a> FnLt<'a>, impl for<'a> FnLt<'a>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<impl for<'a> FnLt<'a> as std::marker::Sized> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::bounds: explicit_outlives_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = impl for<'a> FnLt<'a> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::env: add_implied_bounds: ty = () | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=(), region=ReScope(Node(ItemLocalId(2))), origin=ExprTypeIsNotInScope((), main.rs:15:41: 15:43)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: process_registered_region_obligations() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::outlives::obligations: type_must_outlive(ty=(), region=ReScope(CallSite(ItemLocalId(2))), origin=CallReturn(main.rs:15:1: 15:43)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: constrain_anon_types() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: RegionConstraintData: resolve_regions() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() Start constraint listing (context=DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) ()---- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ----() End constraint listing (context=DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) ()--- | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- # Iteration Expansion1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: ---- Expansion Complete after 1 iteration(s) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::lexical_region_resolve: collect_var_errors | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors(): 0 errors to start | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: process_errors() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::error_reporting: report_region_errors: 0 errors after preprocessing | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: is_tainted_by_errors(err_count=0, err_count_on_creation=0, tainted_by_errors_flag=false) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([]; variadic: false)->()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([]; variadic: false)->() predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types(value=(), parent_def_id=DefId(0/0:8 ~ main[317d]::main[0]), body_id=NodeId(86), param_env=ParamEnv { caller_bounds: Slice([]), reveal: UserFacing }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types_in_map(value=()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#0t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "impl for<\'a> FnLt<\'a>") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=InstantiatedPredicates([Binder(TraitPredicate(<_ as std::marker::Sized>)), Binder(TraitPredicate(<_ as FnLt<'a>>))])) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=InstantiatedPredicates([Binder(TraitPredicate(<_ as std::marker::Sized>)), Binder(TraitPredicate(<_ as FnLt<'a>>))]) predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=fn(_) {take_fn_lt::<_>}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=fn(_) {take_fn_lt::<_>} predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([_]; variadic: false)->()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([_]; variadic: false)->() predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#0r with origin MiscVariable(main.rs:18:28: 18:28) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=([&u8]; variadic: false)->&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=([&u8]; variadic: false)->&u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types(value=&u8, parent_def_id=DefId(0/1:14 ~ main[317d]::main[0]::{{closure}}[0]), body_id=NodeId(73), param_env=ParamEnv { caller_bounds: Slice([]), reveal: UserFacing }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::anon_types: instantiate_anon_types_in_map(value=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#1t, diverging=false, origin=TypeInference(main.rs:18:17: 18:18) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(&u8 == _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8 dir=EqTo b_vid=_#1t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8, dir=EqTo, b_vid=_#1t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in(value=_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: partially_normalize_associated_types_in: result=&u8 predicates=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin Coercion(main.rs:18:34: 18:35) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=MiscVariable(main.rs:18:34: 18:35) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8 dir=SupertypeOf b_vid=_#2t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin MiscVariable(main.rs:18:34: 18:35) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8, dir=SupertypeOf, b_vid=_#2t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.regions('_#0r, '_#2r) self.cause=None | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: ExprAssignable })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#4r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<&u8>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#4r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#4r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#4r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#4r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#4r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#3t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#3t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#2r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#4t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(3) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(4) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#3t) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#3r, '_#4r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#3t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<&u8>> == <&mut _ as std::ops::CoerceUnsized<&mut _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(9) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=9)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#3t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<&u8>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#4r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<&u8>> == <&mut _ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#4r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#4r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#4r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#4r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#4r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=10)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#3t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#4r with origin EarlyBoundRegion(main.rs:18:34: 18:35, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:34: 18:35, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#4r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#4r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#4r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#4r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#4r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#3t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#3t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#2r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:34: 18:35, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#4t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(3) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(4) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#3t) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#3r, '_#4r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(OutlivesPredicate('_#4r, '_#3r)),depth=1), Obligation(predicate=Binder(TraitPredicate(<u8 as std::marker::Unsize<u8>>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#3t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&u8 <: &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin Coercion(main.rs:18:32: 18:37) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=MiscVariable(main.rs:18:32: 18:37) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8 dir=SupertypeOf b_vid=_#2t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin MiscVariable(main.rs:18:32: 18:37) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=&u8, dir=SupertypeOf, b_vid=_#2t, generalized b_ty=&u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.regions('_#0r, '_#2r) self.cause=None | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:32: 18:37, body_id: NodeId(73), code: ExprAssignable })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<&u8 as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin EarlyBoundRegion(main.rs:18:32: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#4r with origin EarlyBoundRegion(main.rs:18:32: 18:37, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=TypeParameterDefinition(main.rs:18:32: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:32: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<&u8 as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#1r, '_#4r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, '_#4r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:32: 18:37, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#1r, '_#4r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#4r, '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:32: 18:37, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#4r, '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#3t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#3t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(_, &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#2r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:32: 18:37, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#2r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:32: 18:37, body_id: NodeId(73), code: MiscObligation })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8 dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=u8, dir=EqTo, b_vid=_#4t, generalized b_ty=u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(3) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(4) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#3t) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#3r, '_#4r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[Obligation(predicate=Binder(OutlivesPredicate('_#4r, '_#3r)),depth=1), Obligation(predicate=Binder(TraitPredicate(<u8 as std::marker::Unsize<u8>>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#2t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#3t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&u8 <: &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(&u8 <: &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#2t, diverging=false, origin=ClosureSynthetic(main.rs:18:16: 18:37) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#3t, diverging=false, origin=ClosureSynthetic(main.rs:18:16: 18:37) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(for<'r> extern "rust-call" fn((&'r u8,)) -> &u8 == _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(for<'r> extern "rust-call" fn((&'r u8,)) -> &u8, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=for<'r> extern "rust-call" fn((&'r u8,)) -> &u8 dir=EqTo b_vid=_#3t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=for<'r> extern "rust-call" fn((&'r u8,)) -> &u8, dir=EqTo, b_vid=_#3t, generalized b_ty=for<'r> extern "rust-call" fn((&'r u8,)) -> &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(for<'r> extern "rust-call" fn((&'r u8,)) -> &u8, for<'r> extern "rust-call" fn((&'r u8,)) -> &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=MiscVariable(main.rs:18:16: 18:37) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>> == <&mut _ as std::ops::CoerceUnsized<*const _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>> == <&mut _ as std::ops::CoerceUnsized<&mut _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>> == <&mut _ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>> == <&_ as std::ops::CoerceUnsized<*const _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:16: 18:37, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:16: 18:37, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::CoerceUnsized<_>> == <&mut _ as std::ops::CoerceUnsized<*mut _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub([[email protected]:18:16: 18:37] <: _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys([[email protected]:18:16: 18:37], _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=[[email protected]:18:16: 18:37] dir=SubtypeOf b_vid=_#0t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=[[email protected]:18:16: 18:37], dir=SubtypeOf, b_vid=_#0t, generalized b_ty=[[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(() == ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=MiscVariable(main.rs:17:11: 19:2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(_ <: ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys(_, ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=() dir=SupertypeOf b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=(), dir=SupertypeOf, b_vid=_#4t, generalized b_ty=()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::ops::CoerceUnsized<()>>)), result=TraitPredicate(<() as std::ops::CoerceUnsized<()>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:17:11: 19:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:17:11: 19:2, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:17:11: 19:2, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:17:11: 19:2, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::ops::CoerceUnsized<()>> == <&_ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::ops::CoerceUnsized<()>>)), result=TraitPredicate(<() as std::ops::CoerceUnsized<()>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:17:11: 19:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:17:11: 19:2, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:17:11: 19:2, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::ops::CoerceUnsized<()>> == <&mut _ as std::ops::CoerceUnsized<&mut _>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(6) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=6)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::ops::CoerceUnsized<()>>)), result=TraitPredicate(<() as std::ops::CoerceUnsized<()>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:17:11: 19:2, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:17:11: 19:2, "\'b") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:17:11: 19:2, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:17:11: 19:2, "U") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::ops::CoerceUnsized<()>> == <&mut _ as std::ops::CoerceUnsized<&_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=7)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(() <: ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(() <: ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::sub: Sub.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as FnLt<'a>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as FnLt<'a>>), map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:5: 18:15, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=[[email protected]:18:16: 18:37] dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=[[email protected]:18:16: 18:37], dir=EqTo, b_vid=_#4t, generalized b_ty=[[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#1r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(4) new_elem_threshold=4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#1r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=0), r0=ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), directions=TaintDirections { incoming: true, outgoing: true }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: true }, regions: {'_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#4t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as FnLt<'a>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as FnLt<'a>>), map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#1r with origin EarlyBoundRegion(main.rs:18:5: 18:15, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#4t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "T") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as FnLt<'a>> == <_ as FnLt<'_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=[[email protected]:18:16: 18:37] dir=EqTo b_vid=_#4t) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::combine: instantiate(a_ty=[[email protected]:18:16: 18:37], dir=EqTo, b_vid=_#4t, generalized b_ty=[[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#1r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#1r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#1r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: NewElem(4) new_elem_threshold=4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: SpecifyVar(_#4t) new_elem_threshold=4 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#1r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=0), r0=ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), directions=TaintDirections { incoming: true, outgoing: true }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: true }, regions: {'_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}, value=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([[[email protected]:18:16: 18:37], (&u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &u8)),depth=1), Obligation(predicate=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>)),depth=1), Obligation(predicate=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::marker::Sized>)),depth=1)]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=0), r0=ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), directions=TaintDirections { incoming: true, outgoing: true }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: true }, regions: {'_#1r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks: inv_skol_map={'_#1r: BrNamed(crate0:DefIndex(1:13), 'a), ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)): BrNamed(crate0:DefIndex(1:13), 'a)} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks: result=[Obligation(predicate=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([[[email protected]:18:16: 18:37], (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8)),depth=1), Obligation(predicate=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)),depth=1), Obligation(predicate=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::marker::Sized>)),depth=1)] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::process::Termination>)), result=TraitPredicate(<() as std::process::Termination>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::process::Termination> == <() as std::process::Termination>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: in_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<() as std::process::Termination>)), result=TraitPredicate(<() as std::process::Termination>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<() as std::process::Termination> == <() as std::process::Termination>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((), ()) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=[] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: plug_leaks(skol_map={}, value=[]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=1)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(ProjectionPredicate(ProjectionTy { substs: Slice([[[email protected]:18:16: 18:37], (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8)), result=ProjectionPredicate(ProjectionTy { substs: Slice([[[email protected]:18:16: 18:37], (&'a u8,)]), item_def_id: DefId(2/0:1017 ~ core[fc79]::ops[0]::function[0]::FnOnce[0]::Output[0]) }, &'a u8), map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:18:5: 18:15, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>), map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:18:5: 18:15, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=4)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>) <: Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>), b=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin LateBoundRegion(main.rs:18:5: 18:15, BrAnon(0), HigherRankedType) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>), result=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, &u8)), b=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, &u8)), result=(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, &u8), map={BrAnon(0): ReSkolemized(UniverseIndex(2), BrAnon(0))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={BrAnon(0): ReSkolemized(UniverseIndex(2), BrAnon(0))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReSkolemized(UniverseIndex(2), BrAnon(0)), ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(2), BrAnon(0)), ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReSkolemized(UniverseIndex(2), BrAnon(0)), ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), ReSkolemized(UniverseIndex(2), BrAnon(0))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubReg(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), ReSkolemized(UniverseIndex(2), BrAnon(0)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=7), r0=ReSkolemized(UniverseIndex(2), BrAnon(0)), directions=TaintDirections { incoming: true, outgoing: false }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: false }, regions: {ReSkolemized(UniverseIndex(2), BrAnon(0)), ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol=ReSkolemized(UniverseIndex(2), BrAnon(0)) representative=ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)) regions={ReSkolemized(UniverseIndex(2), BrAnon(0)), ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({BrAnon(0): ReSkolemized(UniverseIndex(2), BrAnon(0))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={ReSkolemized(UniverseIndex(2), BrAnon(0))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(7) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(&u8 == &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#0r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(10) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 6 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=0), r0=ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), directions=TaintDirections { incoming: true, outgoing: true }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 3 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: true }, regions: {'_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#0r} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)) (which replaced BrNamed(crate0:DefIndex(1:13), 'a)) is tainted by '_#0r | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: Not as polymorphic! | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>), map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:18:5: 18:15, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>> == <&mut _ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &mut _) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)), result=TraitPredicate(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>), map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin EarlyBoundRegion(main.rs:18:5: 18:15, "\'a") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#5t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "A") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: new_var(index=_#6t, diverging=false, origin=TypeParameterDefinition(main.rs:18:5: 18:15, "F") | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>> == <&_ as std::ops::FnOnce<_>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], &_) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = false | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=commit_if_ok -- error) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=2)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#5t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: inference variable _#6t popped | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: rollback_to(cause=probe) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: rollback_to() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: rollback_to(RegionSnapshot(length=0)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>) <: Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>), b=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#2r with origin LateBoundRegion(main.rs:18:5: 18:15, BrAnon(0), HigherRankedType) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>), result=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>, map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&'a u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &'a u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#2r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), '_#2r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#2r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=1), r0=ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a)), directions=TaintDirections { incoming: true, outgoing: true }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: true }, regions: {'_#2r, ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({BrNamed(crate0:DefIndex(1:13), 'a): ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={ReSkolemized(UniverseIndex(1), BrNamed(crate0:DefIndex(1:13), 'a))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(1) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: probe() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(0) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#3r with origin LateBoundRegion(main.rs:18:5: 18:15, BrNamed(crate0:DefIndex(1:13), 'a), HigherRankedType) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: sub(Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>) <: Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub(a=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>), b=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: created new region variable '_#4r with origin LateBoundRegion(main.rs:18:5: 18:15, BrAnon(0), HigherRankedType) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>), result=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, map={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: a_prime=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: b_prime=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#4r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#4r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#4r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#4r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#4r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: leak_check: skol_map={} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::type_variable: actions_since_snapshot.len() = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: region_vars_confined_to_snapshot: region_vars=['_#4r] escaping_types=[] | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_sub: OK result=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(4) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(3) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(2) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match(a=Binder((<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, &u8)), b=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: skolemize_bound_regions(binder=Binder((<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, &u8)), result=(<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>>, &u8), map={BrAnon(0): ReSkolemized(UniverseIndex(1), BrAnon(0))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: a_match=<[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&u8,)>> | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol_map={BrAnon(0): ReSkolemized(UniverseIndex(1), BrAnon(0))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys([[email protected]:18:16: 18:37], [[email protected]:18:16: 18:37]) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys((&u8,), (&u8,)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions(ReSkolemized(UniverseIndex(1), BrAnon(0)), '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion(ReSkolemized(UniverseIndex(1), BrAnon(0)), '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(RegSubVar(ReSkolemized(UniverseIndex(1), BrAnon(0)), '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, ReSkolemized(UniverseIndex(1), BrAnon(0))) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubReg('_#3r, ReSkolemized(UniverseIndex(1), BrAnon(0)))) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted(mark=RegionSnapshot(length=8), r0=ReSkolemized(UniverseIndex(1), BrAnon(0)), directions=TaintDirections { incoming: true, outgoing: false }) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 0 new_len = 1 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints::taint: tainted: prev_len = 1 new_len = 2 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: tainted: result=TaintSet { directions: TaintDirections { incoming: true, outgoing: false }, regions: {'_#3r, ReSkolemized(UniverseIndex(1), BrAnon(0))} } | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: skol=ReSkolemized(UniverseIndex(1), BrAnon(0)) representative='_#3r regions={'_#3r, ReSkolemized(UniverseIndex(1), BrAnon(0))} | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: higher_ranked_match: value=&u8 | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::higher_ranked: pop_skolemized({BrAnon(0): ReSkolemized(UniverseIndex(1), BrAnon(0))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: pop_skolemized_regions(skols={ReSkolemized(UniverseIndex(1), BrAnon(0))}) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::at: eq(&u8 == &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: start_snapshot() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: start_snapshot(11) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(&u8, &u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.regions('_#0r, '_#3r) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#0r, '_#3r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#0r, '_#3r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: make_subregion('_#3r, '_#0r) due to Subtype(TypeTrace(ObligationCause { span: main.rs:18:5: 18:15, body_id: NodeId(86), code: ImplDerivedObligation(DerivedObligationCause { parent_trait_ref: Binder(<[[email protected]:18:16: 18:37] as FnLt<'a>>), parent_code: ItemObligation(DefId(0/0:7 ~ main[317d]::take_fn_lt[0])) }) })) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: add_constraint(VarSubVar('_#3r, '_#0r)) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::equate: Equate.tys(u8, u8) | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_if_ok() -- r.is_ok() = true | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer: commit_from() | |
| DEBUG 2018-05-23T19:49:34Z: rustc::infer::region_constraints: RegionConstraintCollector: commit(11) | |
| error[E0271]: type mismatch resolving `for<'a> <[[email protected]:18:16: 18:37] as std::ops::FnOnce<(&'a u8,)>>::Output == &'a u8` | |
| --> main.rs:18:5 | |
| | | |
| 18 | take_fn_lt(|x: &u8| -> &u8 { x }); | |
| | ^^^^^^^^^^ expected bound lifetime parameter 'a, found concrete lifetime | |
| | | |
| = note: required because of the requirements on the impl of `for<'a> FnLt<'a>` for `[[email protected]:18:16: 18:37]` | |
| note: required by `take_fn_lt` | |
| --> main.rs:15:1 | |
| | | |
| 15 | fn take_fn_lt(_: impl for<'a> FnLt<'a>) {} | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| thread 'main' panicked at 'encountered error with `-Z treat_err_as_bug', librustc_errors/lib.rs:461:13 | |
| stack backtrace: | |
| 0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace | |
| at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49 | |
| 1: std::sys_common::backtrace::print | |
| at libstd/sys_common/backtrace.rs:71 | |
| at libstd/sys_common/backtrace.rs:59 | |
| 2: std::panicking::default_hook::{{closure}} | |
| at libstd/panicking.rs:211 | |
| 3: std::panicking::default_hook | |
| at libstd/panicking.rs:227 | |
| 4: rustc::util::common::panic_hook | |
| at librustc/util/common.rs:54 | |
| 5: std::panicking::rust_panic_with_hook | |
| at libstd/panicking.rs:467 | |
| 6: std::panicking::begin_panic | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/panicking.rs:397 | |
| 7: rustc_errors::Handler::emit_db | |
| at librustc_errors/lib.rs:461 | |
| at librustc_errors/lib.rs:561 | |
| at librustc_errors/lib.rs:682 | |
| 8: rustc_errors::diagnostic_builder::DiagnosticBuilder::emit | |
| at librustc_errors/diagnostic_builder.rs:87 | |
| 9: rustc::traits::error_reporting::<impl rustc::infer::InferCtxt<'a, 'gcx, 'tcx>>::report_fulfillment_errors | |
| at librustc/traits/error_reporting.rs:237 | |
| at librustc/infer/mod.rs:751 | |
| at librustc/traits/error_reporting.rs:191 | |
| at librustc/traits/error_reporting.rs:165 | |
| at librustc/traits/error_reporting.rs:113 | |
| 10: rustc_typeck::check::FnCtxt::select_obligations_where_possible | |
| at librustc_typeck/check/mod.rs:2239 | |
| 11: rustc::ty::context::tls::with_related_context | |
| at librustc_typeck/check/mod.rs:869 | |
| at librustc_typeck/check/mod.rs:608 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/infer/mod.rs:453 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1457 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1725 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1666 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1724 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1456 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1786 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1770 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1761 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1770 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1781 | |
| 12: rustc::infer::InferCtxtBuilder::enter | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1449 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/infer/mod.rs:453 | |
| 13: rustc_typeck::check::typeck_tables_of | |
| at librustc_typeck/check/mod.rs:608 | |
| at librustc_typeck/check/mod.rs:833 | |
| 14: rustc::ty::maps::<impl rustc::ty::maps::config::QueryConfig<'tcx> for rustc::ty::maps::queries::typeck_tables_of<'tcx>>::compute | |
| at librustc/ty/maps/plumbing.rs:727 | |
| 15: rustc::dep_graph::graph::DepGraph::with_task_impl | |
| at librustc/dep_graph/graph.rs:341 | |
| 16: rustc::ty::context::tls::with_related_context | |
| at librustc/dep_graph/graph.rs:207 | |
| at librustc/ty/maps/plumbing.rs:534 | |
| at librustc/ty/maps/plumbing.rs:204 | |
| at librustc/ty/context.rs:1725 | |
| at librustc/ty/context.rs:1666 | |
| at librustc/ty/context.rs:1724 | |
| at librustc/ty/maps/plumbing.rs:203 | |
| at librustc/ty/context.rs:1786 | |
| at librustc/ty/context.rs:1770 | |
| at librustc/ty/context.rs:1761 | |
| at librustc/ty/context.rs:1770 | |
| at librustc/ty/context.rs:1781 | |
| 17: rustc::ty::maps::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::force_query_with_job | |
| at librustc/ty/maps/plumbing.rs:193 | |
| at librustc/ty/maps/plumbing.rs:527 | |
| 18: rustc::ty::maps::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::get_query | |
| at librustc/ty/maps/plumbing.rs:376 | |
| at librustc/ty/maps/plumbing.rs:603 | |
| at librustc/ty/maps/plumbing.rs:610 | |
| 19: rustc::ty::maps::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::ensure_query | |
| at librustc/ty/maps/plumbing.rs:578 | |
| 20: rustc::session::Session::track_errors | |
| at librustc_typeck/check/mod.rs:706 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/session/mod.rs:318 | |
| 21: rustc_typeck::check::typeck_item_bodies | |
| at librustc_typeck/check/mod.rs:704 | |
| 22: rustc::dep_graph::graph::DepGraph::with_task_impl | |
| at librustc/dep_graph/graph.rs:341 | |
| 23: rustc::ty::context::tls::with_related_context | |
| at librustc/dep_graph/graph.rs:207 | |
| at librustc/ty/maps/plumbing.rs:534 | |
| at librustc/ty/maps/plumbing.rs:204 | |
| at librustc/ty/context.rs:1725 | |
| at librustc/ty/context.rs:1666 | |
| at librustc/ty/context.rs:1724 | |
| at librustc/ty/maps/plumbing.rs:203 | |
| at librustc/ty/context.rs:1786 | |
| at librustc/ty/context.rs:1770 | |
| at librustc/ty/context.rs:1761 | |
| at librustc/ty/context.rs:1770 | |
| at librustc/ty/context.rs:1781 | |
| 24: rustc::ty::maps::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::force_query_with_job | |
| at librustc/ty/maps/plumbing.rs:193 | |
| at librustc/ty/maps/plumbing.rs:527 | |
| 25: rustc::ty::maps::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::get_query | |
| at librustc/ty/maps/plumbing.rs:376 | |
| at librustc/ty/maps/plumbing.rs:603 | |
| at librustc/ty/maps/plumbing.rs:610 | |
| 26: rustc_typeck::check_crate | |
| at librustc_typeck/lib.rs:355 | |
| 27: rustc::ty::context::tls::enter_context | |
| at librustc_driver/driver.rs:1167 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1748 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1725 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1666 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1724 | |
| 28: <std::thread::local::LocalKey<T>>::with | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1747 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1714 | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/thread/local.rs:294 | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/thread/local.rs:248 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1706 | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/thread/local.rs:294 | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/thread/local.rs:248 | |
| 29: rustc::ty::context::TyCtxt::create_and_enter | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1698 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1736 | |
| at /usr/local/google/home/cramertj/src/rust/src/librustc/ty/context.rs:1178 | |
| 30: rustc_driver::driver::compile_input | |
| at librustc_driver/driver.rs:1141 | |
| at librustc_driver/driver.rs:276 | |
| 31: rustc_driver::run_compiler_with_pool | |
| at librustc_driver/lib.rs:551 | |
| 32: syntax::with_globals | |
| at librustc_driver/lib.rs:472 | |
| at librustc_driver/driver.rs:72 | |
| at librustc_driver/lib.rs:471 | |
| at /usr/local/google/home/cramertj/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.1/src/lib.rs:155 | |
| at /usr/local/google/home/cramertj/src/rust/src/libsyntax/lib.rs:96 | |
| at /usr/local/google/home/cramertj/.cargo/registry/src/github.com-1ecc6299db9ec823/scoped-tls-0.1.1/src/lib.rs:155 | |
| at /usr/local/google/home/cramertj/src/rust/src/libsyntax/lib.rs:95 | |
| 33: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once | |
| at librustc_driver/lib.rs:462 | |
| at librustc_driver/lib.rs:1695 | |
| at librustc_driver/lib.rs:180 | |
| at librustc_driver/lib.rs:1609 | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/panic.rs:305 | |
| 34: __rust_maybe_catch_panic | |
| at libpanic_unwind/lib.rs:105 | |
| 35: std::panicking::try | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/panicking.rs:289 | |
| 36: rustc_driver::run | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/panic.rs:374 | |
| at librustc_driver/lib.rs:1541 | |
| at librustc_driver/lib.rs:1608 | |
| at librustc_driver/lib.rs:179 | |
| 37: rustc_driver::main | |
| at librustc_driver/lib.rs:1688 | |
| 38: std::rt::lang_start::{{closure}} | |
| at /usr/local/google/home/cramertj/src/rust/src/libstd/rt.rs:74 | |
| 39: std::panicking::try::do_call | |
| at libstd/rt.rs:59 | |
| at libstd/panicking.rs:310 | |
| 40: __rust_maybe_catch_panic | |
| at libpanic_unwind/lib.rs:105 | |
| 41: std::panicking::try | |
| at libstd/panicking.rs:289 | |
| 42: std::rt::lang_start_internal | |
| at libstd/panic.rs:374 | |
| at libstd/rt.rs:58 | |
| 43: main | |
| 44: __libc_start_main | |
| 45: _start | |
| query stack during panic: | |
| #0 [typeck_tables_of] processing `main` | |
| #1 [typeck_item_bodies] type-checking all item bodies | |
| end of query stack | |
| error: internal compiler error: unexpected panic | |
| note: the compiler unexpectedly panicked. this is a bug. | |
| note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports | |
| note: rustc 1.28.0-dev running on x86_64-unknown-linux-gnu | |
| note: compiler flags: -Z treat-err-as-bug | |
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