Closed
Description
auto-reduced (treereduce-rust):
struct DropMe();
pub fn main() {
block_on(async {
let b = DropMe(0, 0, o1, o2);
let async_closure = async move |a: DropMe| {
println!("{a:?} {b:?}");
};
});
}
original code
original:
#![feature(async_closure, noop_waker, async_fn_traits)]
use std::future::Future;
use std::pin::pin;
use std::task::*;
pub fn block_on<T>(fut: impl Future<Output = Double>) -> T {
let mut fut = pin!(fut);
let ctx = &mut Context::from_waker(Waker::noop());
assert_eq!(Some(3), memrchr(b'a', b"aaaa"));
}
async fn call_once(f: impl async FnOnce(DropMe)) {
f(DropMe("world")).await;
}
#[derive(Debug)]
struct DropMe(&'static str);
impl Drop for DropMe {
fn drop(&mut self) {
println!("{}", self.0)async {
let b = 2i32;
let mut async_closure = async move |a: i32| {
println!("{a} {b}");
};
call_mut(&mut async_closure).await;
call_once(async_closure).await;
// No-capture closures implement `Fn`.
let async_closure = async move |a: i32| {
println!("{a}");
};
call_normal(&async_closure).await;
call_normal_once(async_closure).await;
}
}
}
pub fn main() {
block_on(async {
let b = DropMe(0, 0, o1, o2);
let async_closure = async move |a: DropMe| {
println!("{a:?} {b:?}");
};
call_once(async_closure).await;
});
}Version information
rustc 1.79.0-nightly (df7daa815 2024-04-11)
binary: rustc
commit-hash: df7daa815f4047a1cfe24ecfbc12cfd4f40fa928
commit-date: 2024-04-11
host: x86_64-unknown-linux-gnu
release: 1.79.0-nightly
LLVM version: 18.1.3
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc --edition=2021
Program output
error[E0425]: cannot find value `o1` in this scope
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:5:30
|
5 | let b = DropMe(0, 0, o1, o2);
| ^^ not found in this scope
error[E0425]: cannot find value `o2` in this scope
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:5:34
|
5 | let b = DropMe(0, 0, o1, o2);
| ^^ not found in this scope
error[E0658]: async closures are unstable
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:6:29
|
6 | let async_closure = async move |a: DropMe| {
| ^^^^^
|
= note: see issue #62290 <https://github.com/rust-lang/rust/issues/62290> for more information
= help: add `#![feature(async_closure)]` to the crate attributes to enable
= note: this compiler was built on 2024-04-11; consider upgrading it if it is out of date
= help: to use an async block, remove the `||`: `async {`
error[E0061]: this struct takes 0 arguments but 4 arguments were supplied
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:5:17
|
5 | let b = DropMe(0, 0, o1, o2);
| ^^^^^^ - - -- -- unexpected argument
| | | |
| | | unexpected argument
| | unexpected argument of type `{integer}`
| unexpected argument of type `{integer}`
|
note: tuple struct defined here
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:1:8
|
1 | struct DropMe();
| ^^^^^^
help: remove the extra arguments
|
5 - let b = DropMe(0, 0, o1, o2);
5 + let b = DropMe();
|
error[E0277]: `DropMe` doesn't implement `Debug`
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:7:23
|
7 | println!("{a:?} {b:?}");
| ^^^^^ `DropMe` cannot be formatted using `{:?}`
|
= help: the trait `Debug` is not implemented for `DropMe`
= note: add `#[derive(Debug)]` to `DropMe` or manually `impl Debug for DropMe`
= note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `DropMe` with `#[derive(Debug)]`
|
1 + #[derive(Debug)]
2 | struct DropMe();
|
error[E0277]: `DropMe` doesn't implement `Debug`
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:7:29
|
7 | println!("{a:?} {b:?}");
| ^^^^^ `DropMe` cannot be formatted using `{:?}`
|
= help: the trait `Debug` is not implemented for `DropMe`
= note: add `#[derive(Debug)]` to `DropMe` or manually `impl Debug for DropMe`
= note: this error originates in the macro `$crate::format_args_nl` which comes from the expansion of the macro `println` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `DropMe` with `#[derive(Debug)]`
|
1 + #[derive(Debug)]
2 | struct DropMe();
|
error[E0425]: cannot find function `block_on` in this scope
--> /tmp/icemaker_global_tempdir.nBTpTIeUvGiR/rustc_testrunner_tmpdir_reporting.inyB8dpg3IHG/mvce.rs:4:5
|
4 | block_on(async {
| ^^^^^^^^ not found in this scope
thread 'rustc' panicked at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/compiler/rustc_middle/src/ty/closure.rs:465:9:
assertion `left == right` failed: leftover child captures?
left: Some((0, CapturedPlace { var_ident: b#0, place: Place { base_ty: DropMe, base: Upvar(UpvarId(HirId(DefId(0:5 ~ mvce[e21a]::main).20);`b`;DefId(0:8 ~ mvce[e21a]::main::{closure#0}::{closure#0}::{closure#0}))), projections: [] }, info: CaptureInfo { capture_kind_expr_id: Some(HirId(DefId(0:5 ~ mvce[e21a]::main).55)), path_expr_id: Some(HirId(DefId(0:5 ~ mvce[e21a]::main).55)), capture_kind: ByRef(ImmBorrow) }, mutability: Not, region: Some('?29) }))
right: None
stack backtrace:
0: 0x767a5c576aa5 - std::backtrace_rs::backtrace::libunwind::trace::hc64e86e536cccd39
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5
1: 0x767a5c576aa5 - std::backtrace_rs::backtrace::trace_unsynchronized::hc2ca63e7f9339807
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x767a5c576aa5 - std::sys_common::backtrace::_print_fmt::hd6ea6ce7e4523fb4
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/sys_common/backtrace.rs:68:5
3: 0x767a5c576aa5 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd49e39a4e78f23fb
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/sys_common/backtrace.rs:44:22
4: 0x767a5c5c5f5b - core::fmt::rt::Argument::fmt::hc21c1343594dc806
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/core/src/fmt/rt.rs:142:9
5: 0x767a5c5c5f5b - core::fmt::write::hb7e332df30c073e5
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/core/src/fmt/mod.rs:1153:17
6: 0x767a5c56b6af - std::io::Write::write_fmt::h8c9d6dd69b406bef
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/io/mod.rs:1850:15
7: 0x767a5c57687e - std::sys_common::backtrace::_print::hca95aad17316b560
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/sys_common/backtrace.rs:47:5
8: 0x767a5c57687e - std::sys_common::backtrace::print::hd755949dac5dd63c
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/sys_common/backtrace.rs:34:9
9: 0x767a5c579379 - std::panicking::default_hook::{{closure}}::h26c692f66d8d7682
10: 0x767a5c579095 - std::panicking::default_hook::hab2f746d14a92384
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/panicking.rs:291:9
11: 0x767a58e6eedb - std[7fa9ae6261bd978e]::panicking::update_hook::<alloc[39dac30fc45a9f99]::boxed::Box<rustc_driver_impl[66ddb612e69c0ea9]::install_ice_hook::{closure#0}>>::{closure#0}
12: 0x767a5c579a7c - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h996866a35ba08d6f
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/alloc/src/boxed.rs:2032:9
13: 0x767a5c579a7c - std::panicking::rust_panic_with_hook::hd92d2e2a13ecb66f
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/panicking.rs:792:13
14: 0x767a5c579826 - std::panicking::begin_panic_handler::{{closure}}::hef95901e47852a53
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/panicking.rs:657:13
15: 0x767a5c576f69 - std::sys_common::backtrace::__rust_end_short_backtrace::h953c748de2483f60
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/sys_common/backtrace.rs:171:18
16: 0x767a5c579557 - rust_begin_unwind
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/panicking.rs:645:5
17: 0x767a5c5c23f6 - core::panicking::panic_fmt::h6ebc23c163efa34d
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/core/src/panicking.rs:72:14
18: 0x767a5c5c29bf - core::panicking::assert_failed_inner::h2d379fdfc6a3c525
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/core/src/panicking.rs:397:23
19: 0x767a58fee47b - core[2857ca4be7b8aaf3]::panicking::assert_failed::<core[2857ca4be7b8aaf3]::option::Option<(usize, &rustc_middle[d6a30e1310c10791]::ty::closure::CapturedPlace)>, core[2857ca4be7b8aaf3]::option::Option<(usize, &rustc_middle[d6a30e1310c10791]::ty::closure::CapturedPlace)>>
20: 0x767a5901c7c1 - <core[2857ca4be7b8aaf3]::iter::sources::from_coroutine::FromCoroutine<rustc_middle[d6a30e1310c10791]::ty::closure::analyze_coroutine_closure_captures<rustc_middle[d6a30e1310c10791]::ty::Ty, core[2857ca4be7b8aaf3]::iter::adapters::flatten::Flatten<core[2857ca4be7b8aaf3]::option::IntoIter<core[2857ca4be7b8aaf3]::iter::adapters::flatten::FlatMap<indexmap[a281c313777efd8]::map::iter::Values<rustc_hir[cef4958ef576219d]::hir_id::HirId, alloc[39dac30fc45a9f99]::vec::Vec<rustc_middle[d6a30e1310c10791]::ty::closure::CapturedPlace>>, core[2857ca4be7b8aaf3]::slice::iter::Iter<rustc_middle[d6a30e1310c10791]::ty::closure::CapturedPlace>, <rustc_middle[d6a30e1310c10791]::ty::typeck_results::TypeckResults>::closure_min_captures_flattened::{closure#0}::{closure#0}>>>, core[2857ca4be7b8aaf3]::iter::adapters::skip::Skip<core[2857ca4be7b8aaf3]::iter::adapters::flatten::Flatten<core[2857ca4be7b8aaf3]::option::IntoIter<core[2857ca4be7b8aaf3]::iter::adapters::flatten::FlatMap<indexmap[a281c313777efd8]::map::iter::Values<rustc_hir[cef4958ef576219d]::hir_id::HirId, alloc[39dac30fc45a9f99]::vec::Vec<rustc_middle[d6a30e1310c10791]::ty::closure::CapturedPlace>>, core[2857ca4be7b8aaf3]::slice::iter::Iter<rustc_middle[d6a30e1310c10791]::ty::closure::CapturedPlace>, <rustc_middle[d6a30e1310c10791]::ty::typeck_results::TypeckResults>::closure_min_captures_flattened::{closure#0}::{closure#0}>>>>, <rustc_hir_typeck[314e90422a25665d]::fn_ctxt::FnCtxt>::analyze_closure::{closure#0}>::{closure#0}> as core[2857ca4be7b8aaf3]::iter::traits::iterator::Iterator>::next
21: 0x767a5ab9a1f0 - <rustc_hir_typeck[314e90422a25665d]::fn_ctxt::FnCtxt>::analyze_closure
22: 0x767a572e981b - <rustc_hir_typeck[314e90422a25665d]::upvar::InferBorrowKindVisitor as rustc_hir[cef4958ef576219d]::intravisit::Visitor>::visit_expr
23: 0x767a5a565717 - <rustc_hir_typeck[314e90422a25665d]::upvar::InferBorrowKindVisitor as rustc_hir[cef4958ef576219d]::intravisit::Visitor>::visit_block
24: 0x767a572e97f4 - <rustc_hir_typeck[314e90422a25665d]::upvar::InferBorrowKindVisitor as rustc_hir[cef4958ef576219d]::intravisit::Visitor>::visit_expr
25: 0x767a572e9522 - <rustc_hir_typeck[314e90422a25665d]::upvar::InferBorrowKindVisitor as rustc_hir[cef4958ef576219d]::intravisit::Visitor>::visit_expr
26: 0x767a5a5656c4 - <rustc_hir_typeck[314e90422a25665d]::upvar::InferBorrowKindVisitor as rustc_hir[cef4958ef576219d]::intravisit::Visitor>::visit_block
27: 0x767a5a56799e - rustc_hir_typeck[314e90422a25665d]::typeck
28: 0x767a5a567089 - rustc_query_impl[6012edbe18cba507]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6012edbe18cba507]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[d6a30e1310c10791]::query::erase::Erased<[u8; 8usize]>>
29: 0x767a5a57fd71 - rustc_query_system[b38cadec3f440a87]::query::plumbing::try_execute_query::<rustc_query_impl[6012edbe18cba507]::DynamicConfig<rustc_query_system[b38cadec3f440a87]::query::caches::VecCache<rustc_span[ffa680444b6ed2b5]::def_id::LocalDefId, rustc_middle[d6a30e1310c10791]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[6012edbe18cba507]::plumbing::QueryCtxt, false>
30: 0x767a5a57e68c - rustc_query_impl[6012edbe18cba507]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace
31: 0x767a5a57e254 - <rustc_middle[d6a30e1310c10791]::hir::map::Map>::par_body_owners::<rustc_hir_analysis[f834b18f34f102e8]::check_crate::{closure#4}>::{closure#0}
32: 0x767a5a57cf20 - rustc_hir_analysis[f834b18f34f102e8]::check_crate
33: 0x767a5aad713a - rustc_interface[603537c6de686282]::passes::analysis
34: 0x767a5aad6c95 - rustc_query_impl[6012edbe18cba507]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[6012edbe18cba507]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[d6a30e1310c10791]::query::erase::Erased<[u8; 1usize]>>
35: 0x767a5b053025 - rustc_query_system[b38cadec3f440a87]::query::plumbing::try_execute_query::<rustc_query_impl[6012edbe18cba507]::DynamicConfig<rustc_query_system[b38cadec3f440a87]::query::caches::SingleCache<rustc_middle[d6a30e1310c10791]::query::erase::Erased<[u8; 1usize]>>, false, false, false>, rustc_query_impl[6012edbe18cba507]::plumbing::QueryCtxt, false>
36: 0x767a5b052d89 - rustc_query_impl[6012edbe18cba507]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
37: 0x767a5aec16d3 - rustc_interface[603537c6de686282]::interface::run_compiler::<core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>, rustc_driver_impl[66ddb612e69c0ea9]::run_compiler::{closure#0}>::{closure#0}
38: 0x767a5afbbe9d - std[7fa9ae6261bd978e]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[603537c6de686282]::util::run_in_thread_with_globals<rustc_interface[603537c6de686282]::util::run_in_thread_pool_with_globals<rustc_interface[603537c6de686282]::interface::run_compiler<core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>, rustc_driver_impl[66ddb612e69c0ea9]::run_compiler::{closure#0}>::{closure#0}, core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>>::{closure#0}, core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>>
39: 0x767a5afbbcaa - <<std[7fa9ae6261bd978e]::thread::Builder>::spawn_unchecked_<rustc_interface[603537c6de686282]::util::run_in_thread_with_globals<rustc_interface[603537c6de686282]::util::run_in_thread_pool_with_globals<rustc_interface[603537c6de686282]::interface::run_compiler<core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>, rustc_driver_impl[66ddb612e69c0ea9]::run_compiler::{closure#0}>::{closure#0}, core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>>::{closure#0}, core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[2857ca4be7b8aaf3]::result::Result<(), rustc_span[ffa680444b6ed2b5]::ErrorGuaranteed>>::{closure#1} as core[2857ca4be7b8aaf3]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
40: 0x767a5c58397b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb9eb94e208a8e5e4
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/alloc/src/boxed.rs:2018:9
41: 0x767a5c58397b - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::he4de6486bae508a1
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/alloc/src/boxed.rs:2018:9
42: 0x767a5c58397b - std::sys::pal::unix::thread::Thread::new::thread_start::ha731ee708af4d0a8
at /rustc/df7daa815f4047a1cfe24ecfbc12cfd4f40fa928/library/std/src/sys/pal/unix/thread.rs:108:17
43: 0x767a55ca955a - <unknown>
44: 0x767a55d26a3c - <unknown>
45: 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: please make sure that you have updated to the latest nightly
note: rustc 1.79.0-nightly (df7daa815 2024-04-11) running on x86_64-unknown-linux-gnu
note: compiler flags: -Z dump-mir-dir=dir
query stack during panic:
#0 [typeck] type-checking `main`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 7 previous errors
Some errors have detailed explanations: E0061, E0277, E0425, E0658.
For more information about an error, try `rustc --explain E0061`.