gistfile1.txt

thread 'rustc' panicked at 'adding a def'n for node-id 200897 and data Binding(_result(53163)) but a previous def'n exists: DefData { key: DefKey { parent: Some(DefIndex(1701)), disambiguated_data: DisambiguatedDefPathData { data: Binding(_result(53163)), disambiguator: 1 } }, node_id: 200897 }', src/librustc/front/map/definitions.rs:146
stack backtrace:
   1:        0x11201ec82 - sys::backtrace::tracing::imp::write::h8501c1467ebf8925lWt
   2:        0x112020ba2 - panicking::default_handler::hfa13067cdf0d86c55Ux
   3:        0x11201c173 - sys_common::unwind::begin_unwind_inner::h5cb3069bd06949e1nZs
   4:        0x11201e84e - sys_common::unwind::begin_unwind_fmt::h5152bf465721ec71tYs
   5:        0x10f1462b7 - front::map::definitions::Definitions::create_def_with_parent::h054648e9bf7fa348xAd
   6:        0x10efb9551 - front::map::collector::NodeCollector<'ast>::create_def::h725ea3dc26b45feaeic
   7:        0x10efbac10 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_pat::h7a52508be720806aOtc
   8:        0x10efbc89a - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_stmt::h43d9c633037d7b3dWvc
   9:        0x10efbc71e - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_block::h8aa518788d439707vyc
  10:        0x10efbb3af - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_expr::h55fc983edcf2e2ae2uc
  11:        0x10efbc865 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_stmt::h43d9c633037d7b3dWvc
  12:        0x10efbc71e - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_block::h8aa518788d439707vyc
  13:        0x10efbb3af - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_expr::h55fc983edcf2e2ae2uc
  14:        0x10efbc7b1 - intravisit::walk_arm::walk_arm::h9832773914429423275
  15:        0x10efbb3f1 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_expr::h55fc983edcf2e2ae2uc
  16:        0x10efbc735 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_block::h8aa518788d439707vyc
  17:        0x10efbb750 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_fn::hdbabb941fad9ecbfEwc
  18:        0x10efb9ebd - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_item::h2191765b74229a3cjmc
  19:        0x10efb9f04 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_item::h2191765b74229a3cjmc
  20:        0x10efb9f04 - front::map::collector::NodeCollector<'ast>.Visitor<'ast>::visit_item::h2191765b74229a3cjmc
  21:        0x10f0f8419 - front::map::map_crate::h1f44abfeaec4e7a1VTe
  22:        0x10df802ab - driver::make_map::h738914e6156e5962EMa
  23:        0x10df66e46 - driver::compile_input::h90ff6c20b6fabafekca
  24:        0x10df52cbf - run_compiler::h793eee799e4c9697Rwc
  25:        0x10df4f91c - sys_common::unwind::try::try_fn::try_fn::h2802263909967524277
  26:        0x11201e665 - sys_common::unwind::try::inner_try::h9ab52b77863d009eVVs
  27:        0x10df4fce9 - boxed::F.FnBox<A>::call_box::call_box::h10684994364979613872
  28:        0x11203bd62 - sys::thread::Thread::new::thread_start::h2dae892c559e6251sax
  29:     0x7fff8a49f898 - _pthread_body
  30:     0x7fff8a49f729 - _pthread_start