stability.rs:516: encountered unmarked API (the compiler unexpectedly panicked. this is a bug.) #38672
Description
% cargo build
Compiling bug v0.1.0 (file:///home/nanosankaku/projects/bug/bug)
error: internal compiler error: /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/middle/stability.rs:516: encountered unmarked API
--> src/lib.rs:1:76
|
1 | pub const INIT_MUTEX: std::cell::UnsafeCell<i32> = std::cell::UnsafeCell { value: 0 };
| ^^^^^^^^
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
thread 'rustc' panicked at 'Box<Any>', /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_errors/lib.rs:382
note: Run with `RUST_BACKTRACE=1` for a backtrace.
error: Could not compile `bug`.
% cat src/lib.rs
pub const INIT_MUTEX: std::cell::UnsafeCell<i32> = std::cell::UnsafeCell { value: 0 };Meta
Tried nightly and beta, same error
% rustc --version --verbose
rustc 1.15.0-beta.1 (d9a0f0d 2016-12-19)
binary: rustc
commit-hash: d9a0f0d
commit-date: 2016-12-19
host: x86_64-unknown-linux-gnu
release: 1.15.0-beta.1
LLVM version: 3.9
% rustc --version --verbose
rustc 1.15.0-nightly (71c06a5 2016-12-18)
binary: rustc
commit-hash: 71c06a5
commit-date: 2016-12-18
host: x86_64-unknown-linux-gnu
release: 1.15.0-nightly
LLVM version: 3.9
rustc --version --verbose:
Backtrace:
thread 'rustc' panicked at 'Box<Any>', /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_errors/lib.rs:382
stack backtrace:
1: 0x7f643e07939a - std::sys::imp::backtrace::tracing::imp::write::hc924c01e14fdf084
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:42
2: 0x7f643e08770f - std::panicking::default_hook::{{closure}}::h3c7e4ff009c61db6
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panicking.rs:349
3: 0x7f643e0872ad - std::panicking::default_hook::h4684c234c8ae64c1
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panicking.rs:359
4: 0x7f643e087bb7 - std::panicking::rust_panic_with_hook::h03d5a3ece8e80bc6
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panicking.rs:553
5: 0x7f643b283b7b - std::panicking::begin_panic::had99e9b5f3114af5
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panicking.rs:515
6: 0x7f643b427023 - rustc::session::opt_span_bug_fmt::{{closure}}::h4ba716f3654cf892
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/obj/<panic macros>:3
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/session/mod.rs:782
7: 0x7f643b426e7c - rustc::session::opt_span_bug_fmt::h178e4a512d9654c9
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1062
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/session/mod.rs:779
8: 0x7f643b426d52 - rustc::session::span_bug_fmt::h9c6c6664f7d87df9
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/session/mod.rs:772
9: 0x7f643b405d6f - rustc::middle::stability::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::check_stability::h388c8da62cf0b6f4
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/middle/stability.rs:516
10: 0x7f643baec010 - rustc_typeck::check::FnCtxt::check_expr_struct_fields::h23d64a14be17ace9
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:3246
11: 0x7f643baf12fd - rustc_typeck::check::FnCtxt::check_expr_kind::h6728cb2fc0c0f35e
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:3410
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:3958
12: 0x7f643baee65c - rustc_typeck::check::FnCtxt::check_expr_with_expectation_and_lvalue_pref::h665bf8010bc589a2
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:3462
13: 0x7f643badbc4f - rustc_typeck::check::check_const_with_type::hde77eb4865aa78e4
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:2803
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:2797
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:2790
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:1259
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:502
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/infer/mod.rs:442
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1033
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/thread/local.rs:245
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1030
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:846
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/infer/mod.rs:442
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:502
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:1249
14: 0x7f643bad5eb2 - rustc_typeck::check::check_item_type::hcd7883623c025771
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:1276
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:852
15: 0x7f643bacf9df - <rustc_typeck::check::CheckItemTypesVisitor<'a, 'tcx> as rustc::hir::intravisit::Visitor<'tcx>>::visit_item::h941c32e1354ec13f
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:547
16: 0x7f643bad1a57 - rustc_typeck::check::check_item_types::h31bc53364132279f
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/hir/itemlikevisit.rs:80
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/dep_graph/visit.rs:45
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/hir/mod.rs:456
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/dep_graph/visit.rs:67
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/mod.rs:2681
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:583
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/session/mod.rs:232
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/check/mod.rs:581
17: 0x7f643bb3dbc0 - rustc_typeck::check_crate::habece8484d859582
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/lib.rs:345
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/util/common.rs:34
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_typeck/lib.rs:345
18: 0x7f643e40df81 - rustc_driver::driver::phase_3_run_analysis_passes::{{closure}}::h26fb48e320a3a494
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/driver.rs:895
19: 0x7f643e401398 - rustc_driver::driver::phase_3_run_analysis_passes::h27dce08dd080b784
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1033
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/thread/local.rs:245
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1030
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1017
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/thread/local.rs:245
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:1014
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc/ty/context.rs:782
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/driver.rs:865
20: 0x7f643e3f1162 - rustc_driver::driver::compile_input::h301204ca2777f65d
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/driver.rs:171
21: 0x7f643e436ad7 - rustc_driver::run_compiler::hc42fda54b73636c8
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/lib.rs:221
22: 0x7f643e354fd8 - std::panicking::try::do_call::h2dfbc0654fb30278
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/lib.rs:1117
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/lib.rs:137
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/librustc_driver/lib.rs:1051
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panic.rs:295
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panicking.rs:458
23: 0x7f643e0903da - __rust_maybe_catch_panic
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libpanic_unwind/lib.rs:98
24: 0x7f643e3762b8 - <F as alloc::boxed::FnBox<A>>::call_box::h1672b04377c8074b
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panicking.rs:434
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/panic.rs:351
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/thread/mod.rs:301
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/liballoc/boxed.rs:605
25: 0x7f643e086574 - std::sys::imp::thread::Thread::new::thread_start::h29f4c99db4339ba7
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/liballoc/boxed.rs:615
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/sys_common/thread.rs:21
at /buildslave/rust-buildbot/slave/beta-dist-rustc-linux/build/src/libstd/sys/unix/thread.rs:84
26: 0x7f6436f60463 - start_thread
27: 0x7f643dd509de - __clone
28: 0x0 - <unknown>