Closed
Description
2019-01-01 nightly toolchain fails to compile the following: https://github.com/jonimake/rust-settings-test
The problem is the let _ = config::File::with_name("Settings"); line in main.rs. Below is the command line output.
RUST_BACKTRACE=1 cargo build --verbose
Fresh version_check v0.1.5
Fresh cfg-if v0.1.6
Fresh ucd-util v0.1.3
Fresh lazy_static v1.2.0
Fresh serde v0.8.23
Fresh utf8-ranges v1.0.2
Fresh lazy_static v0.2.11
Fresh linked-hash-map v0.5.1
Fresh itoa v0.4.3
Fresh rust-ini v0.12.2
Fresh regex-syntax v0.6.4
Fresh thread_local v0.3.6
Fresh serde_test v0.8.23
Fresh yaml-rust v0.4.2
Fresh libc v0.2.45
Fresh num-traits v0.2.6
Fresh serde v1.0.84
Fresh ryu v0.2.7
Fresh linked-hash-map v0.3.0
Fresh memchr v2.1.2
Fresh num-traits v0.1.43
Fresh toml v0.4.10
Fresh serde_json v1.0.34
Fresh aho-corasick v0.6.9
Fresh nom v4.1.1
Fresh regex v1.1.0
Fresh serde-hjson v0.8.2
Fresh config v0.9.1
Compiling rust-setting-test v0.1.0 (/home/joni/repos/personal/rust-settings-test)
Running `rustc --edition=2018 --crate-name rust_setting_test src/main.rs --color always --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=7a08d1f1dbdfe01a -C extra-filename=-7a08d1f1dbdfe01a --out-dir /home/joni/repos/personal/rust-settings-test/target/debug/deps -C incremental=/home/joni/repos/personal/rust-settings-test/target/debug/incremental -L dependency=/home/joni/repos/personal/rust-settings-test/target/debug/deps --extern config=/home/joni/repos/personal/rust-settings-test/target/debug/deps/libconfig-566e0d7013e1820e.rlib`
error: internal compiler error: src/librustc_mir/monomorphize/collector.rs:747: Cannot create local mono-item for DefId(11/0:303 ~ config[bb47]::file[0]::{{impl}}[1]::with_name[0])
thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:590:9
stack backtrace:
0: std::sys::unix::backtrace::tracing::imp::unwind_backtrace
at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
1: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:70
2: std::panicking::default_hook::{{closure}}
at src/libstd/sys_common/backtrace.rs:58
at src/libstd/panicking.rs:200
3: std::panicking::default_hook
at src/libstd/panicking.rs:215
4: rustc::util::common::panic_hook
5: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:482
6: std::panicking::begin_panic
7: rustc_errors::Handler::bug
8: rustc::util::bug::opt_span_bug_fmt::{{closure}}
9: rustc::ty::context::tls::with_opt::{{closure}}
10: rustc::ty::context::tls::with_context_opt
11: rustc::ty::context::tls::with_opt
12: rustc::util::bug::opt_span_bug_fmt
13: rustc::util::bug::bug_fmt
14: rustc_mir::monomorphize::collector::should_monomorphize_locally
15: rustc_mir::monomorphize::collector::visit_instance_use
16: <rustc_mir::monomorphize::collector::MirNeighborCollector<'a, 'tcx> as rustc::mir::visit::Visitor<'tcx>>::visit_terminator_kind
17: rustc_mir::monomorphize::collector::collect_items_rec
18: rustc_mir::monomorphize::collector::collect_crate_mono_items::{{closure}}
19: rustc::util::common::time
20: rustc_mir::monomorphize::collector::collect_crate_mono_items
21: rustc::util::common::time
22: rustc_mir::monomorphize::partitioning::collect_and_partition_mono_items
23: rustc::ty::query::__query_compute::collect_and_partition_mono_items
24: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors<'tcx> for rustc::ty::query::queries::collect_and_partition_mono_items<'tcx>>::compute
25: rustc::dep_graph::graph::DepGraph::with_task_impl
26: <rustc::ty::query::plumbing::JobOwner<'a, 'tcx, Q>>::start
27: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::force_query_with_job
28: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt<'a, 'gcx, 'tcx>>::try_get_with
29: rustc_codegen_ssa::base::codegen_crate
30: <rustc_codegen_llvm::LlvmCodegenBackend as rustc_codegen_utils::codegen_backend::CodegenBackend>::codegen_crate
31: rustc_driver::driver::phase_4_codegen
32: rustc_driver::driver::compile_input::{{closure}}
33: <std::thread::local::LocalKey<T>>::with
34: rustc::ty::context::TyCtxt::create_and_enter
35: rustc_driver::driver::compile_input
36: rustc_driver::run_compiler_with_pool
37: <scoped_tls::ScopedKey<T>>::set
38: rustc_driver::run_compiler
39: <scoped_tls::ScopedKey<T>>::set
40: syntax::with_globals
41: __rust_maybe_catch_panic
at src/libpanic_unwind/lib.rs:92
42: <F as alloc::boxed::FnBox<A>>::call_box
43: std::sys::unix::thread::Thread::new::thread_start
at /rustc/b2b7a063af39455d7362524da3123c34c3f4842e/src/liballoc/boxed.rs:734
at src/libstd/sys_common/thread.rs:14
at src/libstd/sys/unix/thread.rs:81
44: start_thread
45: __clone
query stack during panic:
#0 [collect_and_partition_mono_items] collect_and_partition_mono_items
end of query stack
error: aborting due to previous error
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 1.33.0-nightly (b2b7a063a 2019-01-01) running on x86_64-unknown-linux-gnu
note: compiler flags: -C debuginfo=2 -C incremental --crate-type bin
note: some of the compiler flags provided by cargo are hidden
error: Could not compile `rust-setting-test`.
Caused by:
process didn't exit successfully: `rustc --edition=2018 --crate-name rust_setting_test src/main.rs --color always --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=7a08d1f1dbdfe01a -C extra-filename=-7a08d1f1dbdfe01a --out-dir /home/joni/repos/personal/rust-settings-test/target/debug/deps -C incremental=/home/joni/repos/personal/rust-settings-test/target/debug/incremental -L dependency=/home/joni/repos/personal/rust-settings-test/target/debug/deps --extern config=/home/joni/repos/personal/rust-settings-test/target/debug/deps/libconfig-566e0d7013e1820e.rlib` (exit code: 101)