```
error: missing `for` in a trait impl
--> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:12:11
|
12 | impl Trait S {
| ^^
|
help: add `for` here
|
12 | impl Trait for S {
| +++
error: `self` parameter is only allowed in associated functions
--> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:9:16
|
9 | pub fn foo(&self) -> u32 {}
| ^^^^^ not semantically valid as function parameter
|
= note: associated functions are those in `impl` or `trait` definitions
error[E0658]: functions delegation is not yet fully implemented
--> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:2:5
|
2 | reuse to_reuse::foo { self }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #118212 for more information
= help: add `#![feature(fn_delegation)]` to the crate attributes to enable
= note: this compiler was built on 2024-07-23; consider upgrading it if it is out of date
error[E0658]: functions delegation is not yet fully implemented
--> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:13:5
|
13 | reuse to_reuse::foo { self }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #118212 for more information
= help: add `#![feature(fn_delegation)]` to the crate attributes to enable
= note: this compiler was built on 2024-07-23; consider upgrading it if it is out of date
thread 'rustc' panicked at compiler/rustc_ast_lowering/src/delegation.rs:334:59:
index out of bounds: the len is 0 but the index is 0
stack backtrace:
0: 0x724bccc77215 - std::backtrace_rs::backtrace::libunwind::trace::h079c5b10617d341d
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
1: 0x724bccc77215 - std::backtrace_rs::backtrace::trace_unsynchronized::hd7f004a4c1ba9b08
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x724bccc77215 - std::sys::backtrace::_print_fmt::hc9fcd7a583f53d0e
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:68:9
3: 0x724bccc77215 - ::fmt::h0fa110c20a9e6b9b
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:41:26
4: 0x724bcccc6c8b - core::fmt::rt::Argument::fmt::h2fa86b20e267917d
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/fmt/rt.rs:173:76
5: 0x724bcccc6c8b - core::fmt::write::hc0abd2b87c9c9f9b
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/fmt/mod.rs:1182:21
6: 0x724bccc6bcef - std::io::Write::write_fmt::h0eab51fe5cc04d2d
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/io/mod.rs:1827:15
7: 0x724bccc79a01 - std::sys::backtrace::BacktraceLock::print::h73f7904e8c6470c5
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:44:9
8: 0x724bccc79a01 - std::panicking::default_hook::{{closure}}::h5772adf9111786bd
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:269:22
9: 0x724bccc796dc - std::panicking::default_hook::h96e37809c3d46f88
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:296:9
10: 0x724bc90255e9 - std[5c22d0894761bf95]::panicking::update_hook::>::{closure#0}
11: 0x724bccc7a3cf - as core::ops::function::Fn>::call::h20dc0ffe6bab5b1c
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/alloc/src/boxed.rs:2163:9
12: 0x724bccc7a3cf - std::panicking::rust_panic_with_hook::h8e39c57c8213f108
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:808:13
13: 0x724bccc79ff7 - std::panicking::begin_panic_handler::{{closure}}::h3bced104df636721
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:674:13
14: 0x724bccc776d9 - std::sys::backtrace::__rust_end_short_backtrace::hd2ecf03e595ba397
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:172:18
15: 0x724bccc79c84 - rust_begin_unwind
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:665:5
16: 0x724bcccc3243 - core::panicking::panic_fmt::h035bf8637e3dbe4b
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/panicking.rs:74:14
17: 0x724bcccc3437 - core::panicking::panic_bounds_check::h14e13ffb87f2f714
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/panicking.rs:276:5
18: 0x724bc8c39e3f - ::lower_delegation
19: 0x724bcacf1694 - ::lower_assoc_item
20: 0x724bcace1006 - ::lower_node
21: 0x724bcacddd39 - rustc_ast_lowering[7fcdca43ed366bd6]::lower_to_hir
22: 0x724bcb4eb020 - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
23: 0x724bcb4e80c2 - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
24: 0x724bcb4e7d5e - rustc_query_impl[1c27faad8f8c2359]::query_impl::hir_crate::get_query_non_incr::__rust_end_short_backtrace
25: 0x724bcae9f3a4 - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
26: 0x724bcae9e95f - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
27: 0x724bcae9e6cf - rustc_query_impl[1c27faad8f8c2359]::query_impl::hir_attrs::get_query_non_incr::__rust_end_short_backtrace
28: 0x724bca83cd86 - ::attrs
29: 0x724bcb5f13c1 - rustc_passes[87d8bc38134e89b]::entry::entry_fn
30: 0x724bcb5f1358 - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
31: 0x724bcb5f132f - >::call_once
32: 0x724bcb5f0c48 - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
33: 0x724bcb5f09fd - rustc_query_impl[1c27faad8f8c2359]::query_impl::entry_fn::get_query_non_incr::__rust_end_short_backtrace
34: 0x724bcae76132 - rustc_interface[ca1eba3031847acc]::passes::analysis
35: 0x724bcae75f5b - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
36: 0x724bcb4e94e5 - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
37: 0x724bcb4e924f - rustc_query_impl[1c27faad8f8c2359]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
38: 0x724bcb3e2bc5 - rustc_interface[ca1eba3031847acc]::interface::run_compiler::, rustc_driver_impl[e0a91da34026eb19]::run_compiler::{closure#0}>::{closure#1}
39: 0x724bcb3c8349 - std[5c22d0894761bf95]::sys::backtrace::__rust_begin_short_backtrace::, rustc_driver_impl[e0a91da34026eb19]::run_compiler::{closure#0}>::{closure#1}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>
40: 0x724bcb3c80fa - <::spawn_unchecked_, rustc_driver_impl[e0a91da34026eb19]::run_compiler::{closure#0}>::{closure#1}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#1} as core[b11752a00712c889]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
41: 0x724bccc8442b - as core::ops::function::FnOnce>::call_once::ha48d6c8806b72121
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/alloc/src/boxed.rs:2149:9
42: 0x724bccc8442b - as core::ops::function::FnOnce>::call_once::heb92897a6cf54248
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/alloc/src/boxed.rs:2149:9
43: 0x724bccc8442b - std::sys::pal::unix::thread::Thread::new::thread_start::hb52b315b33e9d801
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/pal/unix/thread.rs:108:17
44: 0x724bcca18ded -
45: 0x724bcca9c0dc -
46: 0x0 -
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 1.82.0-nightly (84c257ebe 2024-07-23) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [hir_crate] getting the crate HIR
#1 [hir_attrs] getting HIR owner attributes in ``
end of query stack
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0658`.
```
auto-reduced (treereduce-rust):
original:
Version information
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
``` error: missing `for` in a trait impl --> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:12:11 | 12 | impl Trait S { | ^^ | help: add `for` here | 12 | impl Trait for S { | +++ error: `self` parameter is only allowed in associated functions --> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:9:16 | 9 | pub fn foo(&self) -> u32 {} | ^^^^^ not semantically valid as function parameter | = note: associated functions are those in `impl` or `trait` definitions error[E0658]: functions delegation is not yet fully implemented --> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:2:5 | 2 | reuse to_reuse::foo { self } | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #118212 for more information
= help: add `#![feature(fn_delegation)]` to the crate attributes to enable
= note: this compiler was built on 2024-07-23; consider upgrading it if it is out of date
error[E0658]: functions delegation is not yet fully implemented
--> /tmp/icemaker_global_tempdir.HWU1MVIGLwj9/rustc_testrunner_tmpdir_reporting.x2Si1gLufU2j/mvce.rs:13:5
|
13 | reuse to_reuse::foo { self }
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #118212 for more information
= help: add `#![feature(fn_delegation)]` to the crate attributes to enable
= note: this compiler was built on 2024-07-23; consider upgrading it if it is out of date
thread 'rustc' panicked at compiler/rustc_ast_lowering/src/delegation.rs:334:59:
index out of bounds: the len is 0 but the index is 0
stack backtrace:
0: 0x724bccc77215 - std::backtrace_rs::backtrace::libunwind::trace::h079c5b10617d341d
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
1: 0x724bccc77215 - std::backtrace_rs::backtrace::trace_unsynchronized::hd7f004a4c1ba9b08
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
2: 0x724bccc77215 - std::sys::backtrace::_print_fmt::hc9fcd7a583f53d0e
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:68:9
3: 0x724bccc77215 - ::fmt::h0fa110c20a9e6b9b
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:41:26
4: 0x724bcccc6c8b - core::fmt::rt::Argument::fmt::h2fa86b20e267917d
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/fmt/rt.rs:173:76
5: 0x724bcccc6c8b - core::fmt::write::hc0abd2b87c9c9f9b
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/fmt/mod.rs:1182:21
6: 0x724bccc6bcef - std::io::Write::write_fmt::h0eab51fe5cc04d2d
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/io/mod.rs:1827:15
7: 0x724bccc79a01 - std::sys::backtrace::BacktraceLock::print::h73f7904e8c6470c5
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:44:9
8: 0x724bccc79a01 - std::panicking::default_hook::{{closure}}::h5772adf9111786bd
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:269:22
9: 0x724bccc796dc - std::panicking::default_hook::h96e37809c3d46f88
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:296:9
10: 0x724bc90255e9 - std[5c22d0894761bf95]::panicking::update_hook::>::{closure#0}
11: 0x724bccc7a3cf - as core::ops::function::Fn>::call::h20dc0ffe6bab5b1c
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/alloc/src/boxed.rs:2163:9
12: 0x724bccc7a3cf - std::panicking::rust_panic_with_hook::h8e39c57c8213f108
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:808:13
13: 0x724bccc79ff7 - std::panicking::begin_panic_handler::{{closure}}::h3bced104df636721
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:674:13
14: 0x724bccc776d9 - std::sys::backtrace::__rust_end_short_backtrace::hd2ecf03e595ba397
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/backtrace.rs:172:18
15: 0x724bccc79c84 - rust_begin_unwind
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/panicking.rs:665:5
16: 0x724bcccc3243 - core::panicking::panic_fmt::h035bf8637e3dbe4b
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/panicking.rs:74:14
17: 0x724bcccc3437 - core::panicking::panic_bounds_check::h14e13ffb87f2f714
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/core/src/panicking.rs:276:5
18: 0x724bc8c39e3f - ::lower_delegation
19: 0x724bcacf1694 - ::lower_assoc_item
20: 0x724bcace1006 - ::lower_node
21: 0x724bcacddd39 - rustc_ast_lowering[7fcdca43ed366bd6]::lower_to_hir
22: 0x724bcb4eb020 - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
23: 0x724bcb4e80c2 - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
24: 0x724bcb4e7d5e - rustc_query_impl[1c27faad8f8c2359]::query_impl::hir_crate::get_query_non_incr::__rust_end_short_backtrace
25: 0x724bcae9f3a4 - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
26: 0x724bcae9e95f - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
27: 0x724bcae9e6cf - rustc_query_impl[1c27faad8f8c2359]::query_impl::hir_attrs::get_query_non_incr::__rust_end_short_backtrace
28: 0x724bca83cd86 - ::attrs
29: 0x724bcb5f13c1 - rustc_passes[87d8bc38134e89b]::entry::entry_fn
30: 0x724bcb5f1358 - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
31: 0x724bcb5f132f - >::call_once
32: 0x724bcb5f0c48 - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
33: 0x724bcb5f09fd - rustc_query_impl[1c27faad8f8c2359]::query_impl::entry_fn::get_query_non_incr::__rust_end_short_backtrace
34: 0x724bcae76132 - rustc_interface[ca1eba3031847acc]::passes::analysis
35: 0x724bcae75f5b - rustc_query_impl[1c27faad8f8c2359]::plumbing::__rust_begin_short_backtrace::>
36: 0x724bcb4e94e5 - rustc_query_system[e65aa676d33ec03e]::query::plumbing::try_execute_query::>, false, false, false>, rustc_query_impl[1c27faad8f8c2359]::plumbing::QueryCtxt, false>
37: 0x724bcb4e924f - rustc_query_impl[1c27faad8f8c2359]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
38: 0x724bcb3e2bc5 - rustc_interface[ca1eba3031847acc]::interface::run_compiler::, rustc_driver_impl[e0a91da34026eb19]::run_compiler::{closure#0}>::{closure#1}
39: 0x724bcb3c8349 - std[5c22d0894761bf95]::sys::backtrace::__rust_begin_short_backtrace::, rustc_driver_impl[e0a91da34026eb19]::run_compiler::{closure#0}>::{closure#1}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>
40: 0x724bcb3c80fa - <::spawn_unchecked_, rustc_driver_impl[e0a91da34026eb19]::run_compiler::{closure#0}>::{closure#1}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[b11752a00712c889]::result::Result<(), rustc_span[5510ed7e96d6ad1b]::ErrorGuaranteed>>::{closure#1} as core[b11752a00712c889]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
41: 0x724bccc8442b - as core::ops::function::FnOnce>::call_once::ha48d6c8806b72121
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/alloc/src/boxed.rs:2149:9
42: 0x724bccc8442b - as core::ops::function::FnOnce>::call_once::heb92897a6cf54248
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/alloc/src/boxed.rs:2149:9
43: 0x724bccc8442b - std::sys::pal::unix::thread::Thread::new::thread_start::hb52b315b33e9d801
at /rustc/84c257ebe5319ba68ce9a4ce5bca2d89e7127a14/library/std/src/sys/pal/unix/thread.rs:108:17
44: 0x724bcca18ded -
45: 0x724bcca9c0dc -
46: 0x0 -
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 1.82.0-nightly (84c257ebe 2024-07-23) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [hir_crate] getting the crate HIR
#1 [hir_attrs] getting HIR owner attributes in ``
end of query stack
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0658`.
```