gist

task 'rustc' failed at 'no entry found for key', /Users/rustbuild/src/rust-buildbot/slave/nightly-mac/build/src/libstd/collections/hashmap/map.rs:1093

stack backtrace:
   1:        0x10dbc8d69 - rt::backtrace::imp::write::hd2d3b636c19898a59Kq
   2:        0x10dbcc081 - failure::on_fail::h81686b612f31dab9N1q
   3:        0x10de41e55 - unwind::begin_unwind_inner::h4e3cb6f9f8acbab0Lud
   4:        0x10a7b3f4e - unwind::begin_unwind::h16369091900694436626
   5:        0x10acd13c0 - middle::ty::type_contents::tc_ty::h4c2d0a81e4ff02285iF
   6:        0x10acd0afc - middle::ty::type_contents::tc_ty::h4c2d0a81e4ff02285iF
   7:        0x10aa586d6 - middle::ty::type_contents::h815b89d15b77d6d60hF
   8:        0x10ac61599 - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::consume_expr::h249620155253452526
   9:        0x10ac5bf4f - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::walk_expr::h11253511193741452665
  10:        0x10ac615ee - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::consume_expr::h249620155253452526
  11:        0x10ac5bf4f - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::walk_expr::h11253511193741452665
  12:        0x10ac61843 - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::walk_local::h5001934709563602083
  13:        0x10ac61775 - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::walk_block::h18291029026060694411
  14:        0x10ac5c092 - middle::expr_use_visitor::ExprUseVisitor<'d, 't, TYPER>::walk_expr::h11253511193741452665
  15:        0x10ac6532a - middle::trans::_match::create_bindings_map::he32d5d5eeda64a10lui
  16:        0x10abdab3e - middle::trans::_match::trans_match::h0dad3c8b992780b9bqi
  17:        0x10abc9402 - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  18:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  19:        0x10ab8981c - middle::trans::controlflow::trans_stmt_semi::hcf59917fc4fb34ceDmZ
  20:        0x10ab88ea0 - middle::trans::controlflow::trans_stmt::h9252416b679ccd39qiZ
  21:        0x10ab8a778 - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  22:        0x10ab8e7f8 - middle::trans::controlflow::trans_while::h90fd5fa949726bc8PxZ
  23:        0x10abcb377 - middle::trans::expr::trans_rvalue_stmt_unadjusted::he607085b7272dc9als4
  24:        0x10ab8a5e4 - middle::trans::expr::trans_into::h86045e5734726e93Z92
  25:        0x10ab8a87d - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  26:        0x10abc9477 - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  27:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  28:        0x10ab8a87d - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  29:        0x10ac3b03e - middle::trans::base::trans_closure::h81652acb238829eeJgf
  30:        0x10abddf35 - middle::trans::closure::trans_expr_fn::hde28058c3afd303c4lj
  31:        0x10abca371 - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  32:        0x10abc7c26 - middle::trans::expr::trans_unadjusted::h4e7a70a6392ac4adXU3
  33:        0x10ab8b9d6 - middle::trans::expr::trans::h9828c62232027a95Td3
  34:        0x10abc0fc4 - middle::trans::callee::trans_args::h018552b679b7d1e8PK2
  35:        0x10ab93181 - middle::trans::callee::trans_call_inner::h7a63813129046371Sp2
  36:        0x10abbb014 - middle::trans::callee::trans_method_call::h09a7da28948daab9ll2
  37:        0x10abc8f0d - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  38:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  39:        0x10ab8981c - middle::trans::controlflow::trans_stmt_semi::hcf59917fc4fb34ceDmZ
  40:        0x10ab88ea0 - middle::trans::controlflow::trans_stmt::h9252416b679ccd39qiZ
  41:        0x10ab8a778 - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  42:        0x10ab8f9f6 - middle::trans::controlflow::trans_for::h8117d0fe6396152bVzZ
  43:        0x10abcb3b8 - middle::trans::expr::trans_rvalue_stmt_unadjusted::he607085b7272dc9als4
  44:        0x10ab8a5e4 - middle::trans::expr::trans_into::h86045e5734726e93Z92
  45:        0x10ab8a87d - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  46:        0x10ac3b03e - middle::trans::base::trans_closure::h81652acb238829eeJgf
  47:        0x10ab7cc2a - middle::trans::base::trans_fn::hbfd376143d8f987a7rf
  48:        0x10ab7eafe - middle::trans::monomorphize::monomorphic_fn::h051169a75a3ee92fePY
  49:        0x10abb55cf - middle::trans::callee::trans_fn_ref_with_substs::h3aa880d2ba8e25f9a41
  50:        0x10abb1dab - middle::trans::callee::trans_fn_ref::h591d2174bf7c43ddKS1
  51:        0x10ab93bcd - middle::trans::meth::trans_method_callee::hb92ac7580582c92abyk
  52:        0x10abbb1bb - middle::trans::callee::trans_method_call::closure.123556
  53:        0x10ab920d4 - middle::trans::callee::trans_call_inner::h7a63813129046371Sp2
  54:        0x10abbb014 - middle::trans::callee::trans_method_call::h09a7da28948daab9ll2
  55:        0x10abc8f0d - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  56:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  57:        0x10ab8a87d - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  58:        0x10abc9477 - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  59:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  60:        0x10ab8a87d - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  61:        0x10ac3b03e - middle::trans::base::trans_closure::h81652acb238829eeJgf
  62:        0x10abddf35 - middle::trans::closure::trans_expr_fn::hde28058c3afd303c4lj
  63:        0x10abca371 - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  64:        0x10abc7c26 - middle::trans::expr::trans_unadjusted::h4e7a70a6392ac4adXU3
  65:        0x10ab8b9d6 - middle::trans::expr::trans::h9828c62232027a95Td3
  66:        0x10abc0fc4 - middle::trans::callee::trans_args::h018552b679b7d1e8PK2
  67:        0x10ab93181 - middle::trans::callee::trans_call_inner::h7a63813129046371Sp2
  68:        0x10abba1a7 - middle::trans::callee::trans_call::h9dd064d5041cc85cdk2
  69:        0x10abc9acc - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  70:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  71:        0x10ab8981c - middle::trans::controlflow::trans_stmt_semi::hcf59917fc4fb34ceDmZ
  72:        0x10ab88ea0 - middle::trans::controlflow::trans_stmt::h9252416b679ccd39qiZ
  73:        0x10ab8a778 - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  74:        0x10ac3b03e - middle::trans::base::trans_closure::h81652acb238829eeJgf
  75:        0x10ab7cc2a - middle::trans::base::trans_fn::hbfd376143d8f987a7rf
  76:        0x10ab7eafe - middle::trans::monomorphize::monomorphic_fn::h051169a75a3ee92fePY
  77:        0x10abb55cf - middle::trans::callee::trans_fn_ref_with_substs::h3aa880d2ba8e25f9a41
  78:        0x10abb1dab - middle::trans::callee::trans_fn_ref::h591d2174bf7c43ddKS1
  79:        0x10ab93bcd - middle::trans::meth::trans_method_callee::hb92ac7580582c92abyk
  80:        0x10abbb1bb - middle::trans::callee::trans_method_call::closure.123556
  81:        0x10ab920d4 - middle::trans::callee::trans_call_inner::h7a63813129046371Sp2
  82:        0x10abbb014 - middle::trans::callee::trans_method_call::h09a7da28948daab9ll2
  83:        0x10abc8f0d - middle::trans::expr::trans_rvalue_dps_unadjusted::h3a292b8d4204e571ky4
  84:        0x10ab8a51d - middle::trans::expr::trans_into::h86045e5734726e93Z92
  85:        0x10ab8981c - middle::trans::controlflow::trans_stmt_semi::hcf59917fc4fb34ceDmZ
  86:        0x10ab88ea0 - middle::trans::controlflow::trans_stmt::h9252416b679ccd39qiZ
  87:        0x10ab8a778 - middle::trans::controlflow::trans_block::hf88e77b4c89fa749wnZ
  88:        0x10ac3b03e - middle::trans::base::trans_closure::h81652acb238829eeJgf
  89:        0x10ab7cc2a - middle::trans::base::trans_fn::hbfd376143d8f987a7rf
  90:        0x10ab7a3b5 - middle::trans::base::trans_item::h6ea53e0891672c1dqLf
  91:        0x10ac44b28 - middle::trans::base::trans_crate::h45dd982207c41d8aXJg
  92:        0x10b07fa45 - driver::driver::phase_4_translate_to_llvm::h056de9222ef78642Apx
  93:        0x10b077b48 - driver::driver::compile_input::h81df14f852785b60vWw
  94:        0x10b100384 - driver::run_compiler::h4bd8d206e78cbaddMMA
  95:        0x10b0fe4b6 - driver::run::closure.146729
  96:        0x10a7ec39b - task::TaskBuilder<S>::try_future::closure.101486
  97:        0x10a7ec283 - task::TaskBuilder<S>::spawn_internal::closure.101457
  98:        0x10a76f74d - task::spawn_opts::closure.8464
  99:        0x10dea995c - rust_try_inner
  100:        0x10dea9946 - rust_try
 ... <frames omitted>