Closed
Description
I ran cargo doc --open for the ggez crate and got an internal compiler error.
Output looks like this:
$ cargo doc --open
Documenting unicode-xid v0.1.0
Checking unicode-xid v0.1.0
Checking either v1.5.0
Documenting either v1.5.0
Documenting nodrop v0.1.12
Checking unicode-xid v0.0.4
Documenting quote v0.3.15
Checking nodrop v0.1.12
Documenting unicode-xid v0.0.4
Checking quote v0.3.15
Documenting bitflags v1.0.4
Checking cfg-if v0.1.5
Documenting cfg-if v0.1.5
Checking libc v0.2.43
Checking bitflags v1.0.4
Documenting void v1.0.2
Documenting libc v0.2.43
Documenting rand_core v0.3.0
Checking void v1.0.2
Checking rand_core v0.3.0
Checking adler32 v1.0.3
Checking byteorder v1.2.6
Documenting byteorder v1.2.6
Documenting adler32 v1.0.3
Documenting rawpointer v0.1.0
Documenting lazy_static v0.2.11
Checking bitflags v0.7.0
Documenting lzw v0.10.0
Documenting rustc-demangle v0.1.9
Checking linked-hash-map v0.5.1
Documenting bitflags v0.7.0
Checking color_quant v1.0.1
Checking rustc-demangle v0.1.9
Documenting linked-hash-map v0.5.1
Checking rawpointer v0.1.0
Checking lzw v0.10.0
Documenting color_quant v1.0.1
Documenting fnv v1.0.6
Documenting approx v0.1.1
Checking fnv v1.0.6
Checking approx v0.1.1
Checking lazy_static v0.2.11
Documenting unicode-normalization v0.1.7
Checking xdg v2.1.0
Documenting hound v3.4.0
Documenting claxon v0.3.2
Checking unicode-normalization v0.1.7
Documenting podio v0.1.6
Documenting xdg v2.1.0
Checking hound v3.4.0
Checking podio v0.1.6
Checking xi-unicode v0.1.0
Checking claxon v0.3.2
Documenting xi-unicode v0.1.0
Checking itertools v0.5.10
Checking synom v0.11.3
Documenting itertools v0.5.10
Checking arrayvec v0.4.7
Documenting arrayvec v0.4.7
Checking syn v0.10.8
Checking log v0.4.5
Documenting syn v0.10.8
Documenting synom v0.11.3
Checking draw_state v0.8.0
Documenting draw_state v0.8.0
Documenting log v0.4.5
Checking rand v0.4.3
Checking time v0.1.40
Checking unreachable v1.0.0
Documenting unreachable v1.0.0
Checking inflate v0.4.3
Checking rand_core v0.2.2
Checking stb_truetype v0.2.4
Checking ogg v0.4.1
Checking deflate v0.7.19
Checking jpeg-decoder v0.1.15
Documenting rand_core v0.2.2
Documenting ogg v0.4.1
Documenting stb_truetype v0.2.4
Documenting jpeg-decoder v0.1.15
Documenting inflate v0.4.3
Documenting deflate v0.7.19
Documenting rand v0.4.3
Documenting time v0.1.40
Checking gif v0.10.1
Documenting gif v0.10.1
Checking app_dirs2 v2.0.3
Documenting app_dirs2 v2.0.3
Checking num-traits v0.2.6
Documenting num-traits v0.2.6
Checking proc-macro2 v0.4.20
Documenting proc-macro2 v0.4.20
Checking syn v0.11.11
Documenting syn v0.11.11
Documenting derivative v1.0.0
Checking typenum v1.10.0
Documenting typenum v1.10.0
Checking msdos_time v0.1.6
Checking rand v0.3.22
Checking matrixmultiply v0.1.14
Documenting matrixmultiply v0.1.14
error: internal compiler error: librustc/traits/structural_impls.rs:178: impossible case reached
thread '<unnamed>' panicked at 'Box<Any>', librustc_errors/lib.rs:599:9
note: Run with `RUST_BACKTRACE=1` for a backtrace.
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-nightly (4141a4079 2018-09-25) running on x86_64-unknown-linux-gnu
Checking rand v0.5.5
error: Could not document `typenum`.
Caused by:
process didn't exit successfully: `rustdoc --crate-name typenum /home/sapir/.cargo/registry/src/github.com-1ecc6299db9ec823/typenum-1.10.0/src/lib.rs --cap-lints allow --color always -o /mnt/hd/home/sapir/dev/ggez/target/doc -L dependency=/mnt/hd/home/sapir/dev/ggez/target/debug/deps` (exit code: 1)
warning: build failed, waiting for other jobs to finish...
error: build failed
I ran again and still got the error, output:
$ cargo doc --open
Documenting typenum v1.10.0
Documenting rand v0.3.22
Documenting msdos_time v0.1.6
Documenting rand v0.5.5
error: internal compiler error: librustc/traits/structural_impls.rs:178: impossible case reached
thread '<unnamed>' panicked at 'Box<Any>', librustc_errors/lib.rs:599:9
note: Run with `RUST_BACKTRACE=1` for a backtrace.
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-nightly (4141a4079 2018-09-25) running on x86_64-unknown-linux-gnu
error: Could not document `typenum`.
Caused by:
process didn't exit successfully: `rustdoc --crate-name typenum /home/sapir/.cargo/registry/src/github.com-1ecc6299db9ec823/typenum-1.10.0/src/lib.rs --cap-lints allow --color always -o /mnt/hd/home/sapir/dev/ggez/target/doc -L dependency=/mnt/hd/home/sapir/dev/ggez/target/debug/deps` (exit code: 1)
warning: build failed, waiting for other jobs to finish...
error: build failed
Third time with backtrace:
$ RUST_BACKTRACE=1 cargo doc --open
Documenting typenum v1.10.0
Documenting serde v1.0.79
Checking serde v1.0.79
Checking lewton v0.5.2
error: internal compiler error: librustc/traits/structural_impls.rs:178: impossible case reached
thread '<unnamed>' panicked at 'Box<Any>', librustc_errors/lib.rs:599:9
Documenting lewton v0.5.2
stack backtrace:
0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
at libstd/sys/unix/backtrace/tracing/gcc_s.rs:49
1: std::sys_common::backtrace::print
at libstd/sys_common/backtrace.rs:71
at libstd/sys_common/backtrace.rs:59
2: std::panicking::default_hook::{{closure}}
at libstd/panicking.rs:211
3: std::panicking::default_hook
at libstd/panicking.rs:227
4: std::panicking::rust_panic_with_hook
at libstd/panicking.rs:477
5: std::panicking::begin_panic
6: rustc_errors::Handler::bug
7: rustc::util::bug::opt_span_bug_fmt::{{closure}}
8: rustc::ty::context::tls::with_opt::{{closure}}
9: rustc::ty::context::tls::with_context_opt
10: rustc::ty::context::tls::with_opt
11: rustc::util::bug::opt_span_bug_fmt
12: rustc::util::bug::bug_fmt
13: rustc::traits::structural_impls::<impl rustc::ty::context::Lift<'tcx> for rustc::traits::SelectionError<'a>>::lift_to_tcx
14: rustc::ty::context::TyCtxt::lift_to_global
15: rustc::traits::select::SelectionContext::candidate_from_obligation
16: rustc::traits::select::SelectionContext::evaluate_stack
17: rustc::dep_graph::graph::DepGraph::with_anon_task
18: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
19: rustc::infer::InferCtxt::probe
20: <&'a mut I as core::iter::iterator::Iterator>::next
21: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
22: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
23: rustc::dep_graph::graph::DepGraph::with_anon_task
24: rustc::traits::select::SelectionContext::candidate_from_obligation
25: rustc::traits::select::SelectionContext::evaluate_stack
26: rustc::dep_graph::graph::DepGraph::with_anon_task
27: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
28: rustc::infer::InferCtxt::probe
29: <&'a mut I as core::iter::iterator::Iterator>::next
30: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
31: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
32: rustc::dep_graph::graph::DepGraph::with_anon_task
33: rustc::traits::select::SelectionContext::candidate_from_obligation
34: rustc::traits::select::SelectionContext::evaluate_stack
35: rustc::dep_graph::graph::DepGraph::with_anon_task
36: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
37: rustc::infer::InferCtxt::probe
38: <&'a mut I as core::iter::iterator::Iterator>::next
39: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
40: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
41: rustc::dep_graph::graph::DepGraph::with_anon_task
42: rustc::traits::select::SelectionContext::candidate_from_obligation
43: rustc::traits::select::SelectionContext::evaluate_stack
44: rustc::dep_graph::graph::DepGraph::with_anon_task
45: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
46: rustc::infer::InferCtxt::probe
47: <&'a mut I as core::iter::iterator::Iterator>::next
48: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
49: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
50: rustc::dep_graph::graph::DepGraph::with_anon_task
51: rustc::traits::select::SelectionContext::candidate_from_obligation
52: rustc::traits::select::SelectionContext::evaluate_stack
53: rustc::dep_graph::graph::DepGraph::with_anon_task
54: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
55: rustc::infer::InferCtxt::probe
56: <&'a mut I as core::iter::iterator::Iterator>::next
57: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
58: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
59: rustc::dep_graph::graph::DepGraph::with_anon_task
60: rustc::traits::select::SelectionContext::candidate_from_obligation
61: rustc::traits::select::SelectionContext::evaluate_stack
62: rustc::dep_graph::graph::DepGraph::with_anon_task
63: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
64: rustc::infer::InferCtxt::probe
65: <&'a mut I as core::iter::iterator::Iterator>::next
66: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
67: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
68: rustc::dep_graph::graph::DepGraph::with_anon_task
69: rustc::traits::select::SelectionContext::candidate_from_obligation
70: rustc::traits::select::SelectionContext::evaluate_stack
71: rustc::dep_graph::graph::DepGraph::with_anon_task
72: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
73: rustc::infer::InferCtxt::probe
74: <&'a mut I as core::iter::iterator::Iterator>::next
75: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
76: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
77: rustc::dep_graph::graph::DepGraph::with_anon_task
78: rustc::traits::select::SelectionContext::candidate_from_obligation
79: rustc::traits::select::SelectionContext::evaluate_stack
80: rustc::dep_graph::graph::DepGraph::with_anon_task
81: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
82: rustc::infer::InferCtxt::probe
83: <&'a mut I as core::iter::iterator::Iterator>::next
84: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
85: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
86: rustc::dep_graph::graph::DepGraph::with_anon_task
87: rustc::traits::select::SelectionContext::candidate_from_obligation
88: rustc::traits::select::SelectionContext::evaluate_stack
89: rustc::dep_graph::graph::DepGraph::with_anon_task
90: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
91: rustc::infer::InferCtxt::probe
92: <&'a mut I as core::iter::iterator::Iterator>::next
93: <alloc::vec::Vec<T> as alloc::vec::SpecExtend<T, I>>::from_iter
94: rustc::traits::select::SelectionContext::candidate_from_obligation_no_cache
95: rustc::dep_graph::graph::DepGraph::with_anon_task
96: rustc::traits::select::SelectionContext::candidate_from_obligation
97: rustc::traits::select::SelectionContext::evaluate_stack
98: rustc::dep_graph::graph::DepGraph::with_anon_task
99: rustc::traits::select::SelectionContext::evaluate_predicate_recursively
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-nightly (4141a4079 2018-09-25) running on x86_64-unknown-linux-gnu
error: Could not document `typenum`.
Caused by:
process didn't exit successfully: `rustdoc --crate-name typenum /home/sapir/.cargo/registry/src/github.com-1ecc6299db9ec823/typenum-1.10.0/src/lib.rs --cap-lints allow --color always -o /mnt/hd/home/sapir/dev/ggez/target/doc -L dependency=/mnt/hd/home/sapir/dev/ggez/target/debug/deps` (exit code: 1)
warning: build failed, waiting for other jobs to finish...
error: build failed
Meta
rustc --version --verbose:
rustc 1.30.0-nightly (4141a40 2018-09-25)
Backtrace: included in 3rd output above
Thanks!