gistfile1.txt

stack backtrace:
   1:     0x7f843f6c6850 - sys::backtrace::write::h5b05e7b061a35107Czt
   2:     0x7f843f6e8a60 - failure::on_fail::h1e9b7e3de59488d1aPz
   3:     0x7f843f6565e0 - rt::unwind::begin_unwind_inner::h23dcfb4c37870bd62tz
   4:     0x7f843d7c3960 - rt::unwind::begin_unwind::h13789887957783664646
   5:     0x7f843db5e580 - middle::ty::lookup_trait_def::h4590f6ca5c5cdfe2YK8
   6:     0x7f843db7fcb0 - middle::ty::predicates_for_trait_ref::hb3e019a71a18e2d75L8
   7:     0x7f843db57c30 - middle::traits::util::Elaborator<'cx, 'tcx>.Iterator::next::hbd30b487fd03287cfiU
   8:     0x7f843db5cb60 - middle::traits::util::Supertraits<'cx, 'tcx>.Iterator::next::hcd7ed39c8850ea00QkU
   9:     0x7f843eedac80 - astconv::ast_ty_to_ty::unboxed_closure.29245
  10:     0x7f843ee8df30 - astconv::ast_ty_to_ty::h459846e80e1ca4faeIs
  11:     0x7f843eed3800 - vec::Vec<T>.FromIterator<T>::from_iter::h3209655721781273216
  12:     0x7f843eed15a0 - astconv::convert_angle_bracketed_parameters::hf174a73ef9831607uVr
  13:     0x7f843eed5b40 - astconv::ast_path_to_trait_ref::hbfa89e8ba77b822715r
  14:     0x7f843eed4a00 - astconv::instantiate_trait_ref::hcfbd98f01955f99eV3r
  15:     0x7f843eed4610 - astconv::instantiate_poly_trait_ref::h801d52b8f813940aK2r
  16:     0x7f843ef05a20 - collect::compute_bounds::hb3f13e12eb92cdcfqYu
  17:     0x7f843eeef230 - collect::trait_def_of_item::h5f9677da8b2042b1Fmu
  18:     0x7f843eeecdf0 - collect::CollectTraitDefVisitor<'a, 'tcx>.visit..Visitor<'v>::visit_item::h63dd6904b2f68d1aRzt
  19:     0x7f843eeebde0 - visit::walk_mod::h5255213013681944704
  20:     0x7f843ef37800 - check_crate::unboxed_closure.30523
  21:     0x7f843ef35670 - check_crate::hdbcb36eaa379a57c23x
  22:     0x7f843fc159c0 - driver::phase_3_run_analysis_passes::h8c55e45fcfc1c7aegwa
  23:     0x7f843fbfe350 - driver::compile_input::h04aea004c559b910xba
  24:     0x7f843fccdfe0 - monitor::unboxed_closure.22497
  25:     0x7f843fccde40 - thunk::F.Invoke<A, R>::invoke::h11849311349984608396
  26:     0x7f843fcccbc0 - rt::unwind::try::try_fn::h13617610205470131813
  27:     0x7f843f74e6c0 - rust_try_inner
  28:     0x7f843f74e6b0 - rust_try
  29:     0x7f843fccceb0 - thunk::F.Invoke<A, R>::invoke::h14452289732390470265
  30:     0x7f843f6d6910 - sys::thread::thread_start::h93b0d38960a9fcacqrw
  31:     0x7f8439c680c0 - start_thread
  32:     0x7f843f2fbec9 - __clone
  33:                0x0 - <unknown>