ICE: unreachable compiler/rustc_resolve/src/lib.rs

[matthiaskrgr]

Code

#![crate_type = "lib"]
extern crate f;

pub use inner::f;

/// [mod@std::env] [g]
pub use f as g;

Meta

rustc --version --verbose:

rustc 1.70.0-nightly (13afbdaa0 2023-03-17)
binary: rustc
commit-hash: 13afbdaa0655dda23d7129e59ac48f1ec88b2084
commit-date: 2023-03-17
host: x86_64-unknown-linux-gnu
release: 1.70.0-nightly
LLVM version: 15.0.7

Error output

error[E0463]: can't find crate for `f`
 --> treereduce.out:2:1
  |
2 | extern crate f;
  | ^^^^^^^^^^^^^^^ can't find crate

error[E0432]: unresolved import `inner`
 --> treereduce.out:4:9
  |
4 | pub use inner::f;
  |         ^^^^^ maybe a missing crate `inner`?
  |
  = help: consider adding `extern crate inner` to use the `inner` crate

Backtrace

thread 'rustc' panicked at 'internal error: entered unreachable code', compiler/rustc_resolve/src/lib.rs:1866:67
stack backtrace:
   0:     0x7f5dcdf6739a - std::backtrace_rs::backtrace::libunwind::trace::h84d2711f38e4d049
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f5dcdf6739a - std::backtrace_rs::backtrace::trace_unsynchronized::h07f6ebc5344709db
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f5dcdf6739a - std::sys_common::backtrace::_print_fmt::h05a29271ab24b307
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/sys_common/backtrace.rs:65:5
   3:     0x7f5dcdf6739a - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h2badcaa62266c6d2
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/sys_common/backtrace.rs:44:22
   4:     0x7f5dcdfca9be - core::fmt::write::h029bd029dcf67de1
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/core/src/fmt/mod.rs:1254:17
   5:     0x7f5dcdf5a225 - std::io::Write::write_fmt::h80e1934b9bd451b8
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/io/mod.rs:1684:15
   6:     0x7f5dcdf67165 - std::sys_common::backtrace::_print::hd15e10f9274c89b0
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/sys_common/backtrace.rs:47:5
   7:     0x7f5dcdf67165 - std::sys_common::backtrace::print::h170965e4e66b5ee4
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/sys_common/backtrace.rs:34:9
   8:     0x7f5dcdf69edf - std::panicking::default_hook::{{closure}}::h0164004bb09e0366
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/panicking.rs:271:22
   9:     0x7f5dcdf69c1b - std::panicking::default_hook::h5e2940911ec5582f
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/panicking.rs:290:9
  10:     0x7f5dd11f2415 - rustc_driver_impl[bad2ed848d64dbdc]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f5dcdf6a71d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h0f3cc38fa49d6ba4
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/alloc/src/boxed.rs:2002:9
  12:     0x7f5dcdf6a71d - std::panicking::rust_panic_with_hook::h591d1df500c4db69
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/panicking.rs:696:13
  13:     0x7f5dcdf6a452 - std::panicking::begin_panic_handler::{{closure}}::h88c33edc8ad15aaa
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/panicking.rs:581:13
  14:     0x7f5dcdf67806 - std::sys_common::backtrace::__rust_end_short_backtrace::h8c0d0dd7ca5cd1b1
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/sys_common/backtrace.rs:150:18
  15:     0x7f5dcdf6a1a2 - rust_begin_unwind
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/panicking.rs:579:5
  16:     0x7f5dcdfc6d13 - core::panicking::panic_fmt::h4294102993ea4dab
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/core/src/panicking.rs:64:14
  17:     0x7f5dcdfc6dad - core::panicking::panic::h54e8b1f0022d1156
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/core/src/panicking.rs:114:5
  18:     0x7f5dd02b113e - <rustc_resolve[5ebb54ab859eb9b4]::Resolver>::resolve_rustdoc_path
  19:     0x7f5dd02af398 - <rustc_resolve[5ebb54ab859eb9b4]::late::LateResolutionVisitor>::resolve_and_cache_rustdoc_path
  20:     0x7f5dd02ab418 - <rustc_resolve[5ebb54ab859eb9b4]::late::LateResolutionVisitor>::resolve_doc_links
  21:     0x7f5dd0299f6c - <rustc_resolve[5ebb54ab859eb9b4]::late::LateResolutionVisitor>::resolve_item
  22:     0x7f5dd0299dd1 - <rustc_resolve[5ebb54ab859eb9b4]::late::LateResolutionVisitor as rustc_ast[7cb81b241be71e9a]::visit::Visitor>::visit_item
  23:     0x7f5dd0299c3d - <rustc_resolve[5ebb54ab859eb9b4]::Resolver>::late_resolve_crate
  24:     0x7f5dd02957ac - <rustc_session[8656a7a78cf578e4]::session::Session>::time::<(), <rustc_resolve[5ebb54ab859eb9b4]::Resolver>::resolve_crate::{closure#0}>
  25:     0x7f5dd028ec32 - rustc_interface[dde792dfc5bb5edd]::passes::resolver_for_lowering
  26:     0x7f5dd09f3cff - rustc_query_system[3b264ab6e948b942]::query::plumbing::try_execute_query::<rustc_query_impl[1cc93b35ef872c79]::queries::resolver_for_lowering, rustc_query_impl[1cc93b35ef872c79]::plumbing::QueryCtxt>
  27:     0x7f5dd09f3a00 - <rustc_query_impl[1cc93b35ef872c79]::Queries as rustc_middle[eaf6378de1cdbfa8]::ty::query::QueryEngine>::resolver_for_lowering
  28:     0x7f5dd0868f24 - <rustc_middle[eaf6378de1cdbfa8]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[bad2ed848d64dbdc]::run_compiler::{closure#1}::{closure#2}::{closure#2}, &rustc_data_structures[8426954b093953dd]::steal::Steal<(rustc_middle[eaf6378de1cdbfa8]::ty::ResolverAstLowering, alloc[c5857ad37805d36e]::rc::Rc<rustc_ast[7cb81b241be71e9a]::ast::Crate>)>>
  29:     0x7f5dd03f845c - <rustc_interface[dde792dfc5bb5edd]::interface::Compiler>::enter::<rustc_driver_impl[bad2ed848d64dbdc]::run_compiler::{closure#1}::{closure#2}, core[9847d4a2e8a02df2]::result::Result<core[9847d4a2e8a02df2]::option::Option<rustc_interface[dde792dfc5bb5edd]::queries::Linker>, rustc_span[4d522547309d7b79]::ErrorGuaranteed>>
  30:     0x7f5dd03f6630 - rustc_span[4d522547309d7b79]::with_source_map::<core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>, rustc_interface[dde792dfc5bb5edd]::interface::run_compiler<core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>, rustc_driver_impl[bad2ed848d64dbdc]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
  31:     0x7f5dd03f5bd9 - std[b4247acdb72724ff]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[dde792dfc5bb5edd]::util::run_in_thread_pool_with_globals<rustc_interface[dde792dfc5bb5edd]::interface::run_compiler<core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>, rustc_driver_impl[bad2ed848d64dbdc]::run_compiler::{closure#1}>::{closure#0}, core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>>
  32:     0x7f5dd0ae6afa - <<std[b4247acdb72724ff]::thread::Builder>::spawn_unchecked_<rustc_interface[dde792dfc5bb5edd]::util::run_in_thread_pool_with_globals<rustc_interface[dde792dfc5bb5edd]::interface::run_compiler<core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>, rustc_driver_impl[bad2ed848d64dbdc]::run_compiler::{closure#1}>::{closure#0}, core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[9847d4a2e8a02df2]::result::Result<(), rustc_span[4d522547309d7b79]::ErrorGuaranteed>>::{closure#1} as core[9847d4a2e8a02df2]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  33:     0x7f5dcdf745f3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h51bca2043facf7d3
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/alloc/src/boxed.rs:1988:9
  34:     0x7f5dcdf745f3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h365da710d54db7ab
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/alloc/src/boxed.rs:1988:9
  35:     0x7f5dcdf745f3 - std::sys::unix::thread::Thread::new::thread_start::hb322f3a535acf0fe
                               at /rustc/13afbdaa0655dda23d7129e59ac48f1ec88b2084/library/std/src/sys/unix/thread.rs:108:17
  36:     0x7f5dcdcffbb5 - <unknown>
  37:     0x7f5dcdd81d90 - <unknown>
  38:                0x0 - <unknown>

error: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.70.0-nightly (13afbdaa0 2023-03-17) running on x86_64-unknown-linux-gnu

query stack during panic:
#0 [resolver_for_lowering] getting the resolver for lowering
end of query stack
error: aborting due to 2 previous errors

Some errors have detailed explanations: E0432, E0463.
For more information about an error, try `rustc --explain E0432`.

[matthiaskrgr]

searched nightlies: from nightly-2023-02-10 to nightly-2023-03-18
regressed nightly: nightly-2023-02-12
searched commit range: 2773383...585f3ee
regressed commit: 5b45024

cc @petrochenkov

[bvanjoi]

@petrochenkov Could you assign it to me, I am willing to try to solve the problem