Closed
Description
auto-reduced (treereduce-rust):
#[cfg_attr::skip]
fn main() {}
original:
//@ revisions: feature gated
#![cfg_attr(feature, feature(lazy_type_alias))]
#![allow(incomplete_features)]
type X = Vec<X>;
//[gated]~^ ERROR cycle detected
//[feature]~^^ ERROR: overflow normalizing the type alias `X`
#[cfg_attr::skip]
fn main() { let b: X = b::lazy_type_alias(); }Version information
rustc 1.82.0-nightly (b586701f7 2024-08-05)
binary: rustc
commit-hash: b586701f78a6d5c7f618b76e7ae3cace9a6fbf37
commit-date: 2024-08-05
host: x86_64-unknown-linux-gnu
release: 1.82.0-nightly
LLVM version: 19.1.0
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error[E0433]: failed to resolve: use of undeclared crate or module `cfg_attr`
--> /tmp/icemaker_global_tempdir.ua4jR8LHGY53/rustc_testrunner_tmpdir_reporting.q5SQCEnEcl5a/mvce.rs:1:3
|
1 | #[cfg_attr::skip]
| ^^^^^^^^ use of undeclared crate or module `cfg_attr`
error: internal compiler error: compiler/rustc_passes/src/check_attr.rs:287:33: builtin attribute "cfg_attr" not handled by `CheckAttrVisitor`
--> /tmp/icemaker_global_tempdir.ua4jR8LHGY53/rustc_testrunner_tmpdir_reporting.q5SQCEnEcl5a/mvce.rs:1:1
|
1 | #[cfg_attr::skip]
| ^^^^^^^^^^^^^^^^^
thread 'rustc' panicked at compiler/rustc_passes/src/check_attr.rs:287:33:
Box<dyn Any>
stack backtrace:
0: 0x7c8f65f56f5d - std::backtrace_rs::backtrace::libunwind::trace::h54121657fad6b938
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
1: 0x7c8f65f56f5d - std::backtrace_rs::backtrace::trace_unsynchronized::hd2e82ea9904f2ea9
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7c8f65f56f5d - std::sys::backtrace::_print_fmt::h75adf07dfa40e5d2
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/sys/backtrace.rs:66:9
3: 0x7c8f65f56f5d - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h98e5ee4b224fe254
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/sys/backtrace.rs:39:26
4: 0x7c8f65fa76eb - core::fmt::rt::Argument::fmt::h0835d2bcbbdcecae
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/core/src/fmt/rt.rs:173:76
5: 0x7c8f65fa76eb - core::fmt::write::h41425652aafb8d55
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/core/src/fmt/mod.rs:1178:21
6: 0x7c8f65f4acc3 - std::io::Write::write_fmt::h722492c13c12a6df
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/io/mod.rs:1823:15
7: 0x7c8f65f59752 - std::sys::backtrace::BacktraceLock::print::hcfe3c665d987f44a
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/sys/backtrace.rs:42:9
8: 0x7c8f65f59752 - std::panicking::default_hook::{{closure}}::h73b850e758a43b44
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/panicking.rs:266:22
9: 0x7c8f65f593be - std::panicking::default_hook::h0ed5c4bdc6aad088
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/panicking.rs:293:9
10: 0x7c8f62498bf7 - std[5068228d6f0dc02a]::panicking::update_hook::<alloc[8fcb41ef64dc878b]::boxed::Box<rustc_driver_impl[b43ed4103cc78677]::install_ice_hook::{closure#0}>>::{closure#0}
11: 0x7c8f65f5a142 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h88c4c4826ca7daef
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/alloc/src/boxed.rs:2164:9
12: 0x7c8f65f5a142 - std::panicking::rust_panic_with_hook::h9849dc0f6b06d65d
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/panicking.rs:805:13
13: 0x7c8f624d40c1 - std[5068228d6f0dc02a]::panicking::begin_panic::<rustc_errors[1c74d9fcab0bdd42]::ExplicitBug>::{closure#0}
14: 0x7c8f624c6dd6 - std[5068228d6f0dc02a]::sys::backtrace::__rust_end_short_backtrace::<std[5068228d6f0dc02a]::panicking::begin_panic<rustc_errors[1c74d9fcab0bdd42]::ExplicitBug>::{closure#0}, !>
15: 0x7c8f624c1eb6 - std[5068228d6f0dc02a]::panicking::begin_panic::<rustc_errors[1c74d9fcab0bdd42]::ExplicitBug>
16: 0x7c8f624dd331 - <rustc_errors[1c74d9fcab0bdd42]::diagnostic::BugAbort as rustc_errors[1c74d9fcab0bdd42]::diagnostic::EmissionGuarantee>::emit_producing_guarantee
17: 0x7c8f62d2853d - <rustc_errors[1c74d9fcab0bdd42]::DiagCtxtHandle>::span_bug::<rustc_span[6b6bb1cd45519793]::span_encoding::Span, alloc[8fcb41ef64dc878b]::string::String>
18: 0x7c8f62d44ed8 - rustc_middle[6ed3e96e78853911]::util::bug::opt_span_bug_fmt::<rustc_span[6b6bb1cd45519793]::span_encoding::Span>::{closure#0}
19: 0x7c8f62d44f0a - rustc_middle[6ed3e96e78853911]::ty::context::tls::with_opt::<rustc_middle[6ed3e96e78853911]::util::bug::opt_span_bug_fmt<rustc_span[6b6bb1cd45519793]::span_encoding::Span>::{closure#0}, !>::{closure#0}
20: 0x7c8f62d3804b - rustc_middle[6ed3e96e78853911]::ty::context::tls::with_context_opt::<rustc_middle[6ed3e96e78853911]::ty::context::tls::with_opt<rustc_middle[6ed3e96e78853911]::util::bug::opt_span_bug_fmt<rustc_span[6b6bb1cd45519793]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
21: 0x7c8f62d361f7 - rustc_middle[6ed3e96e78853911]::util::bug::span_bug_fmt::<rustc_span[6b6bb1cd45519793]::span_encoding::Span>
22: 0x7c8f63c5a60f - <rustc_passes[267b2ef4b868bd78]::check_attr::CheckAttrVisitor>::check_attributes
23: 0x7c8f63c56d3a - <rustc_passes[267b2ef4b868bd78]::check_attr::CheckAttrVisitor as rustc_hir[62b307f3adfb02d2]::intravisit::Visitor>::visit_item
24: 0x7c8f63c560c0 - rustc_passes[267b2ef4b868bd78]::check_attr::check_mod_attrs
25: 0x7c8f63c5603b - rustc_query_impl[bae30e77a033ddc]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[bae30e77a033ddc]::query_impl::check_mod_attrs::dynamic_query::{closure#2}::{closure#0}, rustc_middle[6ed3e96e78853911]::query::erase::Erased<[u8; 0usize]>>
26: 0x7c8f645cd436 - rustc_query_system[9eda3ab91ed39e2e]::query::plumbing::try_execute_query::<rustc_query_impl[bae30e77a033ddc]::DynamicConfig<rustc_query_system[9eda3ab91ed39e2e]::query::caches::DefaultCache<rustc_span[6b6bb1cd45519793]::def_id::LocalModDefId, rustc_middle[6ed3e96e78853911]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[bae30e77a033ddc]::plumbing::QueryCtxt, false>
27: 0x7c8f645cd159 - rustc_query_impl[bae30e77a033ddc]::query_impl::check_mod_attrs::get_query_non_incr::__rust_end_short_backtrace
28: 0x7c8f645ccc13 - <rustc_middle[6ed3e96e78853911]::hir::map::Map>::par_for_each_module::<rustc_interface[dcf23a6b0366e6de]::passes::run_required_analyses::{closure#0}::{closure#0}::{closure#1}::{closure#0}>::{closure#0}
29: 0x7c8f63d84f3c - rustc_interface[dcf23a6b0366e6de]::passes::analysis
30: 0x7c8f63d84c07 - rustc_query_impl[bae30e77a033ddc]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[bae30e77a033ddc]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[6ed3e96e78853911]::query::erase::Erased<[u8; 1usize]>>
31: 0x7c8f649a816e - rustc_query_system[9eda3ab91ed39e2e]::query::plumbing::try_execute_query::<rustc_query_impl[bae30e77a033ddc]::DynamicConfig<rustc_query_system[9eda3ab91ed39e2e]::query::caches::SingleCache<rustc_middle[6ed3e96e78853911]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[bae30e77a033ddc]::plumbing::QueryCtxt, false>
32: 0x7c8f649a7ecf - rustc_query_impl[bae30e77a033ddc]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
33: 0x7c8f648adc23 - rustc_interface[dcf23a6b0366e6de]::interface::run_compiler::<core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>, rustc_driver_impl[b43ed4103cc78677]::run_compiler::{closure#0}>::{closure#1}
34: 0x7c8f647e9709 - std[5068228d6f0dc02a]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[dcf23a6b0366e6de]::util::run_in_thread_with_globals<rustc_interface[dcf23a6b0366e6de]::util::run_in_thread_pool_with_globals<rustc_interface[dcf23a6b0366e6de]::interface::run_compiler<core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>, rustc_driver_impl[b43ed4103cc78677]::run_compiler::{closure#0}>::{closure#1}, core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>>::{closure#0}, core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>>
35: 0x7c8f647e94b2 - <<std[5068228d6f0dc02a]::thread::Builder>::spawn_unchecked_<rustc_interface[dcf23a6b0366e6de]::util::run_in_thread_with_globals<rustc_interface[dcf23a6b0366e6de]::util::run_in_thread_pool_with_globals<rustc_interface[dcf23a6b0366e6de]::interface::run_compiler<core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>, rustc_driver_impl[b43ed4103cc78677]::run_compiler::{closure#0}>::{closure#1}, core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>>::{closure#0}, core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[430efa8e2f06c6b]::result::Result<(), rustc_span[6b6bb1cd45519793]::ErrorGuaranteed>>::{closure#1} as core[430efa8e2f06c6b]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
36: 0x7c8f65f63e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47908fbe26776c73
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/alloc/src/boxed.rs:2150:9
37: 0x7c8f65f63e5b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h54da00d4b6e8da22
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/alloc/src/boxed.rs:2150:9
38: 0x7c8f65f63e5b - std::sys::pal::unix::thread::Thread::new::thread_start::hbf56854fd7d508a2
at /rustc/b586701f78a6d5c7f618b76e7ae3cace9a6fbf37/library/std/src/sys/pal/unix/thread.rs:105:17
39: 0x7c8f5eea6ded - <unknown>
40: 0x7c8f5ef2a0dc - <unknown>
41: 0x0 - <unknown>
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: please make sure that you have updated to the latest nightly
note: rustc 1.82.0-nightly (b586701f7 2024-08-05) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [check_mod_attrs] checking attributes in top-level module
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0433`.