Closed
Description
ICE on both 1.35.0 stable and nightly 2019-06-10
code playground
fn main() {
let mut results = Vec::new();
let immut_view = &results;
std::thread::spawn(move || {
std::thread::spawn(|| {
immut_view.len();
});
for i in 0..5 {
immut_view.push(i);
}
});
}backtrace: cargo run +stable build --verbose
Fresh lazy_static v1.3.0
Fresh cfg-if v0.1.9
Fresh smallvec v0.6.10
Fresh glob v0.3.0
Fresh crossbeam-utils v0.6.5
Fresh crossbeam-channel v0.3.8
Compiling scratch v0.1.0 (/home/alex/rust_projects/scratch)
Running `sccache rustc --edition=2018 --crate-name scratch src/main.rs --color always --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=9f348a68eb7db5d8 -C extra-filename=-9f348a68eb7db5d8 --out-dir /home/alex/rust_projects/scratch/target/debug/deps -C incremental=/home/alex/rust_projects/scratch/target/debug/incremental -L dependency=/home/alex/rust_projects/scratch/target/debug/deps --extern crossbeam_channel=/home/alex/rust_projects/scratch/target/debug/deps/libcrossbeam_channel-c52d170e41357300.rlib --extern crossbeam_utils=/home/alex/rust_projects/scratch/target/debug/deps/libcrossbeam_utils-2ff7eb169679423f.rlib --extern glob=/home/alex/rust_projects/scratch/target/debug/deps/libglob-df35dc77c4d33d55.rlib`
thread 'rustc' panicked at 'no entry found for key', src/libcore/option.rs:1034:5
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
at src/libstd/sys/unix/backtrace/tracing/gcc_s.rs:39
1: std::sys_common::backtrace::_print
at src/libstd/sys_common/backtrace.rs:71
2: std::panicking::default_hook::{{closure}}
at src/libstd/sys_common/backtrace.rs:59
at src/libstd/panicking.rs:197
3: std::panicking::default_hook
at src/libstd/panicking.rs:211
4: rustc::util::common::panic_hook
5: std::panicking::rust_panic_with_hook
at src/libstd/panicking.rs:478
6: std::panicking::continue_panic_fmt
at src/libstd/panicking.rs:381
7: rust_begin_unwind
at src/libstd/panicking.rs:308
8: core::panicking::panic_fmt
at src/libcore/panicking.rs:85
9: core::option::expect_failed
at src/libcore/option.rs:1034
10: rustc_mir::borrow_check::path_utils::each_borrow_involving_path
11: rustc_mir::borrow_check::MirBorrowckCtxt::access_place
12: <rustc_mir::borrow_check::MirBorrowckCtxt as rustc_mir::dataflow::DataflowResultsConsumer>::visit_statement_entry
13: rustc_mir::borrow_check::do_mir_borrowck
14: rustc::ty::context::GlobalCtxt::enter_local
15: rustc_mir::borrow_check::mir_borrowck
16: rustc::ty::query::__query_compute::mir_borrowck
17: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::mir_borrowck>::compute
18: rustc::dep_graph::graph::DepGraph::with_task_impl
19: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
20: rustc_mir::borrow_check::nll::type_check::TypeChecker::check_rvalue
21: rustc_mir::borrow_check::nll::type_check::TypeChecker::typeck_mir
22: rustc_mir::borrow_check::nll::type_check::type_check
23: rustc_mir::borrow_check::nll::compute_regions
24: rustc_mir::borrow_check::do_mir_borrowck
25: rustc::ty::context::GlobalCtxt::enter_local
26: rustc_mir::borrow_check::mir_borrowck
27: rustc::ty::query::__query_compute::mir_borrowck
28: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::mir_borrowck>::compute
29: rustc::dep_graph::graph::DepGraph::with_task_impl
30: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
31: rustc::ty::<impl rustc::ty::context::TyCtxt>::par_body_owners
32: rustc::util::common::time
33: rustc_interface::passes::analysis
34: rustc::ty::query::__query_compute::analysis
35: rustc::ty::query::<impl rustc::ty::query::config::QueryAccessors for rustc::ty::query::queries::analysis>::compute
36: rustc::dep_graph::graph::DepGraph::with_task_impl
37: rustc::ty::query::plumbing::<impl rustc::ty::context::TyCtxt>::get_query
38: rustc_interface::passes::BoxedGlobalCtxt::access::{{closure}}
39: rustc_interface::passes::create_global_ctxt::{{closure}}
40: rustc_interface::interface::run_compiler_in_existing_thread_pool
41: std::thread::local::LocalKey<T>::with
42: scoped_tls::ScopedKey<T>::set
43: syntax::with_globals
query stack during panic:
#0 [mir_borrowck] processing `main::{{closure}}#0`
#1 [mir_borrowck] processing `main`
#2 [analysis] running analysis passes on this crate
end of query stack
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 1.35.0 (3c235d560 2019-05-20) 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 `scratch`.
Caused by:
process didn't exit successfully: `sccache rustc --edition=2018 --crate-name scratch src/main.rs --color always --crate-type bin --emit=dep-info,link -C debuginfo=2 -C metadata=9f348a68eb7db5d8 -C extra-filename=-9f348a68eb7db5d8 --out-dir /home/alex/rust_projects/scratch/target/debug/deps -C incremental=/home/alex/rust_projects/scratch/target/debug/incremental -L dependency=/home/alex/rust_projects/scratch/target/debug/deps --extern crossbeam_channel=/home/alex/rust_projects/scratch/target/debug/deps/libcrossbeam_channel-c52d170e41357300.rlib --extern crossbeam_utils=/home/alex/rust_projects/scratch/target/debug/deps/libcrossbeam_utils-2ff7eb169679423f.rlib --extern glob=/home/alex/rust_projects/scratch/target/debug/deps/libglob-df35dc77c4d33d55.rlib` (exit code: 101)