gistfile1.txt

thread '<unnamed>' panicked at 'index out of bounds: the len is 10 but the index is 10', /Users/imperio/rust/rust/src/libcore/slice/mod.rs:2049:10
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
stack backtrace:
   0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
   1: std::sys_common::backtrace::print
   2: std::panicking::default_hook::{{closure}}
   3: std::panicking::default_hook
   4: std::panicking::rust_panic_with_hook
   5: std::panicking::continue_panic_fmt
   6: rust_begin_unwind
   7: core::panicking::panic_fmt
   8: core::panicking::panic_bounds_check
   9: rustc::ty::query::__query_compute::crate_name
  10: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors<'tcx> for rustc::ty::query::queries::crate_name<'tcx>>::compute
  11: rustc::dep_graph::graph::DepGraph::with_task_impl
  12: rustc::ty::context::tls::with_related_context
  13: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::force_query_with_job
  14: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::get_query
  15: rustdoc::clean::inline::record_extern_fqn
  16: rustdoc::clean::register_def
  17: <[syntax::ast::Attribute] as rustdoc::clean::Clean<rustdoc::clean::Attributes>>::clean
  18: <rustdoc::doctree::Function as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
  19: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::spec_extend
  20: <rustdoc::doctree::Module as rustdoc::clean::Clean<rustdoc::clean::Item>>::clean
  21: <rustdoc::visit_ast::RustdocVisitor<'a, 'tcx, 'rcx, 'cstore> as rustdoc::clean::Clean<rustdoc::clean::Crate>>::clean
  22: rustdoc::core::run_core::{{closure}}::{{closure}}
  23: rustc::ty::context::tls::enter_context
  24: <std::thread::local::LocalKey<T>>::with
  25: rustc_driver::driver::phase_3_run_analysis_passes
  26: <scoped_tls::ScopedKey<T>>::set
  27: rustdoc::core::run_core
  28: <scoped_tls::ScopedKey<T>>::set
  29: syntax::with_globals
  30: <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once
  31: std::panicking::try::do_call
  32: __rust_maybe_catch_panic
  33: rustc_driver::monitor
  34: rustdoc::rust_input
  35: rustdoc::main_args
  36: <scoped_tls::ScopedKey<T>>::set

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 1.30.0-dev running on x86_64-apple-darwin

note: compiler flags: -Z unstable-options