Closed
Description
When on latest rust nightly f09420685 2016-10-20, you get an ICE when compiling lewton.
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: run with `RUST_BACKTRACE=1` for a backtrace
thread 'rustc' panicked at 'called `Option::unwrap()` on a `None` value', ../src/libcore/option.rs:323
stack backtrace:
1: 0x7f78233a903f - std::sys::backtrace::tracing::imp::write::h22f199c1dbb72ba2
2: 0x7f78233b859d - std::panicking::default_hook::{{closure}}::h9a389c462b6a22dd
3: 0x7f78233b59c6 - std::panicking::default_hook::h852b4223c1c00c59
4: 0x7f78233b60a8 - std::panicking::rust_panic_with_hook::hcd9d05f53fa0dafc
5: 0x7f78233b5f42 - std::panicking::begin_panic::hf6c488cee66e7f17
6: 0x7f78233b5e80 - std::panicking::begin_panic_fmt::hb0a7126ee57cdd27
7: 0x7f78233b5e01 - rust_begin_unwind
8: 0x7f7823403f8f - core::panicking::panic_fmt::h9af671b78898cdba
9: 0x7f7823403ebb - core::panicking::panic::h1a2d1a6b50eaa468
10: 0x7f782299f63e - rustc_resolve::Resolver::resolve_module_path::he3d58c7c2b3cede9
11: 0x7f78229a9439 - rustc_resolve::Resolver::resolve_path::h50912d8fbfa6340b
12: 0x7f78229a8de8 - rustc_resolve::Resolver::resolve_possibly_assoc_item::h1e6fba50a34943a3
13: 0x7f78229b2f5d - rustc_resolve::Resolver::resolve_pattern::{{closure}}::h4de63490e31f16d0
14: 0x7f7822976efa - syntax::ast::Pat::walk::h007eb000795b4942
15: 0x7f78229a65dd - rustc_resolve::Resolver::resolve_arm::hc9823a8a0b793db7
16: 0x7f782297f61e - syntax::visit::walk_expr::hd41dc9e4032721dc
17: 0x7f78229ae028 - rustc_resolve::Resolver::resolve_expr::hcad9be65fa81ebaf
18: 0x7f78229a6373 - rustc_resolve::Resolver::resolve_local::h3c12c3dc9f1be5bd
19: 0x7f78229a74cc - rustc_resolve::Resolver::resolve_block::h4374c692a6acfefb
20: 0x7f78229ac7b5 - rustc_resolve::Resolver::resolve_expr::hcad9be65fa81ebaf
21: 0x7f78229a74b5 - rustc_resolve::Resolver::resolve_block::h4374c692a6acfefb
22: 0x7f782297f585 - syntax::visit::walk_expr::hd41dc9e4032721dc
23: 0x7f78229ae028 - rustc_resolve::Resolver::resolve_expr::hcad9be65fa81ebaf
24: 0x7f78229a74b5 - rustc_resolve::Resolver::resolve_block::h4374c692a6acfefb
25: 0x7f78229ae028 - rustc_resolve::Resolver::resolve_expr::hcad9be65fa81ebaf
26: 0x7f78229a74b5 - rustc_resolve::Resolver::resolve_block::h4374c692a6acfefb
27: 0x7f78229ac7b5 - rustc_resolve::Resolver::resolve_expr::hcad9be65fa81ebaf
28: 0x7f78229a74b5 - rustc_resolve::Resolver::resolve_block::h4374c692a6acfefb
29: 0x7f78229ac07c - rustc_resolve::Resolver::resolve_expr::hcad9be65fa81ebaf
30: 0x7f78229a74b5 - rustc_resolve::Resolver::resolve_block::h4374c692a6acfefb
31: 0x7f78229a39bd - rustc_resolve::Resolver::resolve_function::ha0d1c19ce80ef5b9
32: 0x7f782297f8bf - syntax::visit::walk_item::h395ea077a40162c7
33: 0x7f78229a0b50 - rustc_resolve::Resolver::resolve_item::hcc157cba4cb08939
34: 0x7f782297f8ef - syntax::visit::walk_item::h395ea077a40162c7
35: 0x7f782299fb2d - rustc_resolve::Resolver::resolve_item::hcc157cba4cb08939
36: 0x7f782299b6ff - rustc_resolve::Resolver::resolve_crate::h611e363ca5034f18
37: 0x7f78237751ba - rustc_driver::driver::phase_2_configure_and_expand::{{closure}}::hce8b4e82876f8500
38: 0x7f78237297cb - rustc_driver::driver::phase_2_configure_and_expand::h04526112c643cb41
39: 0x7f78237210b1 - rustc_driver::driver::compile_input::h5b63ccd49eeeb98b
40: 0x7f782374e1da - rustc_driver::run_compiler::h98c7274e7cb1d11d
41: 0x7f782368ae0b - std::panicking::try::do_call::h99ed0da044e497c3
42: 0x7f78233c0496 - __rust_maybe_catch_panic
43: 0x7f78236a8951 - <F as alloc::boxed::FnBox<A>>::call_box::hbdd5a14cd8e33b97
44: 0x7f78233b4420 - std::sys::thread::Thread::new::thread_start::h50b05608a499d2b2
45: 0x7f781b673709 - start_thread
46: 0x7f782307b0ae - __clone
47: 0x0 - <unknown>
error: Could not compile `lewton`.
To learn more, run the command again with --verbose.