ice: auto traits: assertion failed 1 == 2 #117789
Description
auto-reduced (treereduce-rust):
auto trait Trait<P> { } impl<P> Trait<P> for () { ; } auto trait Bound : Copy {} auto trait LifetimeBound : 'static {} auto trait MyTrait { } original code
original:
#![feature(auto_traits)] // run-rustfix auto trait Trait<P> { const A: (); const B<const K: u64, const Q: u64>: u64; const C<T>: T; const D<const N: usize>: usize; const E: usize; const F<T: PartialEq>: (); } impl<P> Trait<P> for () { const A<T>: () = (); //~^ ERROR const `A` has 1 type parameter but its trait declaration has 0 type parameters const B<const K: u64>: u64 = 0; //~^ ERROR const `B` has 1 const parameter but its trait declaration has 2 const parameters const C<'a>: &'a str = ""; //~^ ERROR const `C` has 0 type parameters but its trait declaration has 1 type parameter const D<const N: u16>: u16 = N; //~^ ERROR const `D` has an incompatible generic parameter for trait `Trait` const E: usize = 0x11111111 where P: Copy; //~ ERROR impl has stricter requirements than trait const F<T: Eq>: () = (); //~ ERROR impl has stricter requirements than trait } fn main() {} //~^ auto traits cannot have generic parameters [E0567] auto trait Bound : Copy {} //~^ auto traits cannot have super traits or lifetime bounds [E0568] auto trait LifetimeBound : 'static {} //~^ auto traits cannot have super traits or lifetime bounds [E0568] auto trait MyTrait { fn foo() {} } //~^ auto traits cannot have associated items [E0380] fn main() {}Version information
rustc 1.75.0-nightly (17d0a45f5 2023-11-10) binary: rustc commit-hash: 17d0a45f5df31f218b84c3275bb05c3227348b5b commit-date: 2023-11-10 host: x86_64-unknown-linux-gnu release: 1.75.0-nightly LLVM version: 17.0.4 Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
error: non-item in item list --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:11:6 | 10 | impl<P> Trait<P> for () { | - item list starts here 11 | ; | ^ non-item starts here 12 | } | - item list ends here error[E0567]: auto traits cannot have generic parameters --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:5:17 | 5 | auto trait Trait<P> { | -----^^^ help: remove the parameters | | | auto trait cannot have generic parameters error[E0568]: auto traits cannot have super traits or lifetime bounds --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:16:17 | 16 | auto trait Bound : Copy {} | -----^^^^^^^ help: remove the super traits or lifetime bounds | | | auto traits cannot have super traits or lifetime bounds error[E0568]: auto traits cannot have super traits or lifetime bounds --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:18:25 | 18 | auto trait LifetimeBound : 'static {} | -------------^^^^^^^^^^ help: remove the super traits or lifetime bounds | | | auto traits cannot have super traits or lifetime bounds error[E0658]: auto traits are experimental and possibly buggy --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:5:1 | 5 | / auto trait Trait<P> { 6 | | 7 | | 8 | | } | |_^ | = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information = help: add `#![feature(auto_traits)]` to the crate attributes to enable error[E0658]: auto traits are experimental and possibly buggy --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:16:1 | 16 | auto trait Bound : Copy {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information = help: add `#![feature(auto_traits)]` to the crate attributes to enable error[E0658]: auto traits are experimental and possibly buggy --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:18:1 | 18 | auto trait LifetimeBound : 'static {} | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information = help: add `#![feature(auto_traits)]` to the crate attributes to enable error[E0658]: auto traits are experimental and possibly buggy --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:20:1 | 20 | auto trait MyTrait { } | ^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #13231 <https://github.com/rust-lang/rust/issues/13231> for more information = help: add `#![feature(auto_traits)]` to the crate attributes to enable error[E0601]: `main` function not found in crate `mvce` --> /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:20:24 | 20 | auto trait MyTrait { } | ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs` thread 'rustc' panicked at compiler/rustc_hir_analysis/src/coherence/orphan.rs:455:5: assertion `left == right` failed left: 2 right: 1 stack backtrace: 0: 0x7fb17d38b62c - std::backtrace_rs::backtrace::libunwind::trace::h46374b84341786bc at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5 1: 0x7fb17d38b62c - std::backtrace_rs::backtrace::trace_unsynchronized::he7815f30c698ee16 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 2: 0x7fb17d38b62c - std::sys_common::backtrace::_print_fmt::hf3ac027a6e20df81 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/sys_common/backtrace.rs:67:5 3: 0x7fb17d38b62c - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h6350b6493143b1fc at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/sys_common/backtrace.rs:44:22 4: 0x7fb17d3de630 - core::fmt::rt::Argument::fmt::haac38874886df8e7 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/core/src/fmt/rt.rs:142:9 5: 0x7fb17d3de630 - core::fmt::write::hf0e822b6d8ad56b2 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/core/src/fmt/mod.rs:1120:17 6: 0x7fb17d37f54f - std::io::Write::write_fmt::h1a44df357aa13b6e at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/io/mod.rs:1762:15 7: 0x7fb17d38b414 - std::sys_common::backtrace::_print::h95329df2b370286a at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/sys_common/backtrace.rs:47:5 8: 0x7fb17d38b414 - std::sys_common::backtrace::print::hd1549e5974c3fa44 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/sys_common/backtrace.rs:34:9 9: 0x7fb17d38e0a7 - std::panicking::default_hook::{{closure}}::hfc23d70499246b08 10: 0x7fb17d38de0f - std::panicking::default_hook::h0d66df0a095a3bd0 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/panicking.rs:292:9 11: 0x7fb1800ee150 - std[4df474cf7c0204ae]::panicking::update_hook::<alloc[ca626be192fcf572]::boxed::Box<rustc_driver_impl[ec4025a53c2103e9]::install_ice_hook::{closure#0}>>::{closure#0} 12: 0x7fb17d38e7e8 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h44f7f870300bcc1d at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/alloc/src/boxed.rs:2021:9 13: 0x7fb17d38e7e8 - std::panicking::rust_panic_with_hook::h652875067b2fe609 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/panicking.rs:783:13 14: 0x7fb17d38e53e - std::panicking::begin_panic_handler::{{closure}}::h441bd00acf2d3372 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/panicking.rs:657:13 15: 0x7fb17d38baf6 - std::sys_common::backtrace::__rust_end_short_backtrace::h302c26748ffe0429 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/sys_common/backtrace.rs:170:18 16: 0x7fb17d38e2a2 - rust_begin_unwind at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/panicking.rs:645:5 17: 0x7fb17d3dad15 - core::panicking::panic_fmt::heeeb5ab19bc3d1b2 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/core/src/panicking.rs:72:14 18: 0x7fb17d3db28b - core::panicking::assert_failed_inner::hc77e496884c61372 19: 0x7fb1801bcf03 - core[f248d18e5721e18e]::panicking::assert_failed::<usize, usize> 20: 0x7fb18167fb07 - rustc_hir_analysis[3fdc3bc95e806e7]::coherence::orphan::orphan_check_impl 21: 0x7fb18167e719 - rustc_query_impl[d9d242dab8718f47]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d9d242dab8718f47]::query_impl::orphan_check_impl::dynamic_query::{closure#2}::{closure#0}, rustc_middle[dadee63cb0feb6d5]::query::erase::Erased<[u8; 1usize]>> 22: 0x7fb181681bba - rustc_query_system[6b6f1c30493de844]::query::plumbing::try_execute_query::<rustc_query_impl[d9d242dab8718f47]::DynamicConfig<rustc_query_system[6b6f1c30493de844]::query::caches::VecCache<rustc_span[9afbaaf51cc05e3]::def_id::LocalDefId, rustc_middle[dadee63cb0feb6d5]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[d9d242dab8718f47]::plumbing::QueryCtxt, false> 23: 0x7fb1816817c3 - rustc_query_impl[d9d242dab8718f47]::query_impl::orphan_check_impl::get_query_non_incr::__rust_end_short_backtrace 24: 0x7fb1818b032a - rustc_hir_analysis[3fdc3bc95e806e7]::coherence::coherent_trait 25: 0x7fb1818afeb9 - rustc_query_impl[d9d242dab8718f47]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d9d242dab8718f47]::query_impl::coherent_trait::dynamic_query::{closure#2}::{closure#0}, rustc_middle[dadee63cb0feb6d5]::query::erase::Erased<[u8; 0usize]>> 26: 0x7fb181e0dfbd - rustc_query_system[6b6f1c30493de844]::query::plumbing::try_execute_query::<rustc_query_impl[d9d242dab8718f47]::DynamicConfig<rustc_query_system[6b6f1c30493de844]::query::caches::DefaultCache<rustc_span[9afbaaf51cc05e3]::def_id::DefId, rustc_middle[dadee63cb0feb6d5]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[d9d242dab8718f47]::plumbing::QueryCtxt, false> 27: 0x7fb181e0dd4d - rustc_query_impl[d9d242dab8718f47]::query_impl::coherent_trait::get_query_non_incr::__rust_end_short_backtrace 28: 0x7fb1819ce469 - rustc_hir_analysis[3fdc3bc95e806e7]::check_crate 29: 0x7fb1817aa8d7 - rustc_interface[b3bf249fff60da9a]::passes::analysis 30: 0x7fb1817aa537 - rustc_query_impl[d9d242dab8718f47]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d9d242dab8718f47]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[dadee63cb0feb6d5]::query::erase::Erased<[u8; 1usize]>> 31: 0x7fb182398824 - rustc_query_system[6b6f1c30493de844]::query::plumbing::try_execute_query::<rustc_query_impl[d9d242dab8718f47]::DynamicConfig<rustc_query_system[6b6f1c30493de844]::query::caches::SingleCache<rustc_middle[dadee63cb0feb6d5]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[d9d242dab8718f47]::plumbing::QueryCtxt, false> 32: 0x7fb182398615 - rustc_query_impl[d9d242dab8718f47]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace 33: 0x7fb1823a123f - rustc_interface[b3bf249fff60da9a]::interface::run_compiler::<core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>, rustc_driver_impl[ec4025a53c2103e9]::run_compiler::{closure#1}>::{closure#0} 34: 0x7fb1823a855a - std[4df474cf7c0204ae]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[b3bf249fff60da9a]::util::run_in_thread_with_globals<rustc_interface[b3bf249fff60da9a]::util::run_in_thread_pool_with_globals<rustc_interface[b3bf249fff60da9a]::interface::run_compiler<core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>, rustc_driver_impl[ec4025a53c2103e9]::run_compiler::{closure#1}>::{closure#0}, core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>>::{closure#0}, core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>> 35: 0x7fb1823a8383 - <<std[4df474cf7c0204ae]::thread::Builder>::spawn_unchecked_<rustc_interface[b3bf249fff60da9a]::util::run_in_thread_with_globals<rustc_interface[b3bf249fff60da9a]::util::run_in_thread_pool_with_globals<rustc_interface[b3bf249fff60da9a]::interface::run_compiler<core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>, rustc_driver_impl[ec4025a53c2103e9]::run_compiler::{closure#1}>::{closure#0}, core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>>::{closure#0}, core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[f248d18e5721e18e]::result::Result<(), rustc_span[9afbaaf51cc05e3]::ErrorGuaranteed>>::{closure#1} as core[f248d18e5721e18e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} 36: 0x7fb17d3986a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h473dfddbf197f5bf at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/alloc/src/boxed.rs:2007:9 37: 0x7fb17d3986a5 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h8959fbdf8cbf8098 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/alloc/src/boxed.rs:2007:9 38: 0x7fb17d3986a5 - std::sys::unix::thread::Thread::new::thread_start::hab410919d7ef6e45 at /rustc/17d0a45f5df31f218b84c3275bb05c3227348b5b/library/std/src/sys/unix/thread.rs:108:17 39: 0x7fb17d1899eb - <unknown> 40: 0x7fb17d20d7cc - <unknown> 41: 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 1.75.0-nightly (17d0a45f5 2023-11-10) running on x86_64-unknown-linux-gnu query stack during panic: #0 [orphan_check_impl] checking whether impl `<impl at /tmp/icemaker_global_tempdir.lcHIbosRSaxE/rustc_testrunner_tmpdir_reporting.aKyC4RFSO5Er/mvce.rs:10:1: 10:24>` follows the orphan rules #1 [coherent_trait] coherence checking all impls of trait `Trait` #2 [analysis] running analysis passes on this crate end of query stack error: aborting due to 9 previous errors Some errors have detailed explanations: E0567, E0568, E0601, E0658. For more information about an error, try `rustc --explain E0567`.