Closed
Description
Code
#![feature(async_fn_in_trait)]
#![allow(incomplete_features)]
trait MyTrait {
async fn foo(&self) -> i32;
async fn bar(&self) -> i32;
}
impl MyTrait for i32 {
async fn MyTrait(&self) -> i32 {
*self
}
async fn bar(&self) -> i32 {
self.foo().await
}
}
fn main() {}Meta
rustc --version --verbose:
rustc 1.72.0-nightly (6fc0273b5 2023-06-20)
binary: rustc
commit-hash: 6fc0273b5a57eb78cc00841181113fda3e509478
commit-date: 2023-06-20
host: x86_64-unknown-linux-gnu
release: 1.72.0-nightly
LLVM version: 16.0.5
Error output
error[E0407]: method `MyTrait` is not a member of trait `MyTrait`
--> crash.rs:10:5
|
10 | / async fn MyTrait(&self) -> i32 {
11 | | *self
12 | | }
| |_____^ not a member of trait `MyTrait`
Backtrace
error: internal compiler error: compiler/rustc_hir_analysis/src/check/mod.rs:416:21: expected async fn to have `impl Future` output, but it returns impl Future<Output = i32>
--> crash.rs:5:14
|
5 | async fn foo(&self) -> i32;
| ^^^
thread 'rustc' panicked at 'Box<dyn Any>', /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/compiler/rustc_errors/src/lib.rs:994:33
stack backtrace:
0: 0x7f7f51390dc1 - std::backtrace_rs::backtrace::libunwind::trace::h1549ddfd8a258aeb
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
1: 0x7f7f51390dc1 - std::backtrace_rs::backtrace::trace_unsynchronized::he8406d242e2495d8
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x7f7f51390dc1 - std::sys_common::backtrace::_print_fmt::hcbd55f29c8b6bb87
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/sys_common/backtrace.rs:65:5
3: 0x7f7f51390dc1 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc330ee62a3534284
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/sys_common/backtrace.rs:44:22
4: 0x7f7f513f23df - core::fmt::rt::Argument::fmt::h944c617571c59f55
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/core/src/fmt/rt.rs:138:9
5: 0x7f7f513f23df - core::fmt::write::hdfb34466040e87e7
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/core/src/fmt/mod.rs:1094:21
6: 0x7f7f51383927 - std::io::Write::write_fmt::hc3f6c030108d0f8f
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/io/mod.rs:1714:15
7: 0x7f7f51390bd5 - std::sys_common::backtrace::_print::h090226f042b44130
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/sys_common/backtrace.rs:47:5
8: 0x7f7f51390bd5 - std::sys_common::backtrace::print::h881d7f1cf79f05ba
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/sys_common/backtrace.rs:34:9
9: 0x7f7f51393983 - std::panicking::default_hook::{{closure}}::hf0985bb10495a514
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/panicking.rs:269:22
10: 0x7f7f51393714 - std::panicking::default_hook::h1534132078381b49
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/panicking.rs:288:9
11: 0x7f7f501af98b - <rustc_driver_impl[6aaee82d15fcd1b5]::install_ice_hook::{closure#0} as core[c45177fb2e5c300e]::ops::function::FnOnce<(&core[c45177fb2e5c300e]::panic::panic_info::PanicInfo,)>>::call_once::{shim:vtable#0}
12: 0x7f7f513941ae - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h461508deb496d74f
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/alloc/src/boxed.rs:2007:9
13: 0x7f7f513941ae - std::panicking::rust_panic_with_hook::h1bba696c0525b1be
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/panicking.rs:709:13
14: 0x7f7f503120f1 - std[33c81befc1327b2c]::panicking::begin_panic::<rustc_errors[45ab742dbf8d46a1]::ExplicitBug>::{closure#0}
15: 0x7f7f5030fa16 - std[33c81befc1327b2c]::sys_common::backtrace::__rust_end_short_backtrace::<std[33c81befc1327b2c]::panicking::begin_panic<rustc_errors[45ab742dbf8d46a1]::ExplicitBug>::{closure#0}, !>
16: 0x7f7f502b9c46 - std[33c81befc1327b2c]::panicking::begin_panic::<rustc_errors[45ab742dbf8d46a1]::ExplicitBug>
17: 0x7f7f5030e20e - <rustc_errors[45ab742dbf8d46a1]::HandlerInner>::span_bug::<rustc_span[a992d7e7973c1be2]::span_encoding::Span, alloc[5f60cdf87399dbe2]::string::String>
18: 0x7f7f5030df3d - <rustc_errors[45ab742dbf8d46a1]::Handler>::span_bug::<rustc_span[a992d7e7973c1be2]::span_encoding::Span, alloc[5f60cdf87399dbe2]::string::String>
19: 0x7f7f5031234d - rustc_middle[4875513d3ec05678]::util::bug::opt_span_bug_fmt::<rustc_span[a992d7e7973c1be2]::span_encoding::Span>::{closure#0}
20: 0x7f7f5031237a - rustc_middle[4875513d3ec05678]::ty::context::tls::with_opt::<rustc_middle[4875513d3ec05678]::util::bug::opt_span_bug_fmt<rustc_span[a992d7e7973c1be2]::span_encoding::Span>::{closure#0}, !>::{closure#0}
21: 0x7f7f5031109a - rustc_middle[4875513d3ec05678]::ty::context::tls::with_context_opt::<rustc_middle[4875513d3ec05678]::ty::context::tls::with_opt<rustc_middle[4875513d3ec05678]::util::bug::opt_span_bug_fmt<rustc_span[a992d7e7973c1be2]::span_encoding::Span>::{closure#0}, !>::{closure#0}, !>
22: 0x7f7f50310a64 - rustc_middle[4875513d3ec05678]::util::bug::span_bug_fmt::<rustc_span[a992d7e7973c1be2]::span_encoding::Span>
23: 0x7f7f4f4b0535 - rustc_hir_analysis[37adeb9a3b5fd3e]::check::check::check_impl_items_against_trait
24: 0x7f7f4f4a40ee - rustc_hir_analysis[37adeb9a3b5fd3e]::check::check::check_mod_item_types
25: 0x7f7f4ee4ca3c - rustc_query_impl[8b1986df9d148b15]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8b1986df9d148b15]::query_impl::check_mod_item_types::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4875513d3ec05678]::query::erase::Erased<[u8; 0usize]>>
26: 0x7f7f4ee4ca1e - <rustc_query_impl[8b1986df9d148b15]::query_impl::check_mod_item_types::dynamic_query::{closure#2} as core[c45177fb2e5c300e]::ops::function::FnOnce<(rustc_middle[4875513d3ec05678]::ty::context::TyCtxt, rustc_span[a992d7e7973c1be2]::def_id::LocalDefId)>>::call_once
27: 0x7f7f4e857f6f - rustc_query_system[cca36986bbe76e10]::query::plumbing::try_execute_query::<rustc_query_impl[8b1986df9d148b15]::DynamicConfig<rustc_query_system[cca36986bbe76e10]::query::caches::VecCache<rustc_span[a992d7e7973c1be2]::def_id::LocalDefId, rustc_middle[4875513d3ec05678]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[8b1986df9d148b15]::plumbing::QueryCtxt, false>
28: 0x7f7f4fb1bc12 - rustc_query_impl[8b1986df9d148b15]::query_impl::check_mod_item_types::get_query_non_incr::__rust_end_short_backtrace
29: 0x7f7f4f5c1927 - <rustc_middle[4875513d3ec05678]::hir::map::Map>::for_each_module::<rustc_hir_analysis[37adeb9a3b5fd3e]::check_crate::{closure#6}::{closure#0}>
30: 0x7f7f4f5c113d - <rustc_session[9b1eb2cc4d9315ee]::session::Session>::time::<(), rustc_hir_analysis[37adeb9a3b5fd3e]::check_crate::{closure#6}>
31: 0x7f7f4f5bf657 - rustc_hir_analysis[37adeb9a3b5fd3e]::check_crate
32: 0x7f7f4f5b2cfa - rustc_interface[f2bb2657274807ca]::passes::analysis
33: 0x7f7f4f61ba7a - rustc_query_impl[8b1986df9d148b15]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[8b1986df9d148b15]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[4875513d3ec05678]::query::erase::Erased<[u8; 1usize]>>
34: 0x7f7f4f61ba69 - <rustc_query_impl[8b1986df9d148b15]::query_impl::analysis::dynamic_query::{closure#2} as core[c45177fb2e5c300e]::ops::function::FnOnce<(rustc_middle[4875513d3ec05678]::ty::context::TyCtxt, ())>>::call_once
35: 0x7f7f4f8313e8 - rustc_query_system[cca36986bbe76e10]::query::plumbing::try_execute_query::<rustc_query_impl[8b1986df9d148b15]::DynamicConfig<rustc_query_system[cca36986bbe76e10]::query::caches::SingleCache<rustc_middle[4875513d3ec05678]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[8b1986df9d148b15]::plumbing::QueryCtxt, false>
36: 0x7f7f4f8311c7 - rustc_query_impl[8b1986df9d148b15]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
37: 0x7f7f4f6cc4d5 - <rustc_middle[4875513d3ec05678]::ty::context::GlobalCtxt>::enter::<rustc_driver_impl[6aaee82d15fcd1b5]::run_compiler::{closure#1}::{closure#2}::{closure#4}, core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>>
38: 0x7f7f4f6cb49e - rustc_span[a992d7e7973c1be2]::set_source_map::<core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>, rustc_interface[f2bb2657274807ca]::interface::run_compiler<core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>, rustc_driver_impl[6aaee82d15fcd1b5]::run_compiler::{closure#1}>::{closure#0}::{closure#0}>
39: 0x7f7f4f6c3c79 - <scoped_tls[708333a90650a86b]::ScopedKey<rustc_span[a992d7e7973c1be2]::SessionGlobals>>::set::<rustc_interface[f2bb2657274807ca]::interface::run_compiler<core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>, rustc_driver_impl[6aaee82d15fcd1b5]::run_compiler::{closure#1}>::{closure#0}, core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>>
40: 0x7f7f4f6c3276 - std[33c81befc1327b2c]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[f2bb2657274807ca]::util::run_in_thread_pool_with_globals<rustc_interface[f2bb2657274807ca]::interface::run_compiler<core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>, rustc_driver_impl[6aaee82d15fcd1b5]::run_compiler::{closure#1}>::{closure#0}, core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>>
41: 0x7f7f4f6c3025 - <<std[33c81befc1327b2c]::thread::Builder>::spawn_unchecked_<rustc_interface[f2bb2657274807ca]::util::run_in_thread_pool_with_globals<rustc_interface[f2bb2657274807ca]::interface::run_compiler<core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>, rustc_driver_impl[6aaee82d15fcd1b5]::run_compiler::{closure#1}>::{closure#0}, core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[c45177fb2e5c300e]::result::Result<(), rustc_span[a992d7e7973c1be2]::ErrorGuaranteed>>::{closure#1} as core[c45177fb2e5c300e]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
42: 0x7f7f5139e635 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h9b20d6135dc15bb0
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/alloc/src/boxed.rs:1993:9
43: 0x7f7f5139e635 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he0b0b7512c2c83c3
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/alloc/src/boxed.rs:1993:9
44: 0x7f7f5139e635 - std::sys::unix::thread::Thread::new::thread_start::hf6254ce8e731db9d
at /rustc/6fc0273b5a57eb78cc00841181113fda3e509478/library/std/src/sys/unix/thread.rs:108:17
45: 0x7f7f4ce9d44b - <unknown>
46: 0x7f7f4cf20e40 - <unknown>
47: 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: rustc 1.72.0-nightly (6fc0273b5 2023-06-20) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [check_mod_item_types] checking item types in top-level module
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 2 previous errors