Closed
Description
Code
impl F {
fn call() {
<Self as Fn(&TestResult)>::call
}
}Meta
rustc --version --verbose:
rustc 1.53.0-nightly (48691ea6e 2021-03-29)
binary: rustc
commit-hash: 48691ea6e639640f110b43e33d4aba1f07e7415c
commit-date: 2021-03-29
host: x86_64-unknown-linux-gnu
release: 1.53.0-nightly
LLVM version: 12.0.0
Error output
error[E0412]: cannot find type `F` in this scope
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:1:6
|
1 | impl F {
| ^ help: a trait with a similar name exists: `Fn`
error[E0412]: cannot find type `TestResult` in this scope
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:22
|
3 | <Self as Fn(&TestResult)>::call
| ^^^^^^^^^^ not found in this scope
error[E0601]: `main` function not found in crate `perses_node_priority_with_dfs_delta_reduced_mutant`
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:1:1
|
1 | / impl F {
2 | | fn call() {
3 | | <Self as Fn(&TestResult)>::call
4 | | }
5 | | }
| |_^ consider adding a `main` function to `perses_node_priority_with_dfs_delta_reduced_mutant.rs`
error[E0658]: use of unstable library feature 'fn_traits'
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:9
|
3 | <Self as Fn(&TestResult)>::call
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
= help: add `#![feature(fn_traits)]` to the crate attributes to enable
error[E0229]: associated type bindings are not allowed here
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:18
|
3 | <Self as Fn(&TestResult)>::call
| ^^^^^^^^^^^^^^^ associated type not allowed here
thread 'rustc' panicked at 'assertion failed: !substs.has_escaping_bound_vars()', compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs:1475:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
error: internal compiler error: unexpected panic
note: 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 1.53.0-nightly (48691ea6e 2021-03-29) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `<impl at perses_node_priority_with_dfs_delta_reduced_mutant.rs:1:1: 5:2>::call`
#1 [typeck_item_bodies] type-checking all item bodies
end of query stack
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0229, E0412, E0601, E0658.
For more information about an error, try `rustc --explain E0229`.
Backtrace
error[E0412]: cannot find type `F` in this scope
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:1:6
|
1 | impl F {
| ^ help: a trait with a similar name exists: `Fn`
error[E0412]: cannot find type `TestResult` in this scope
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:22
|
3 | <Self as Fn(&TestResult)>::call
| ^^^^^^^^^^ not found in this scope
error[E0601]: `main` function not found in crate `perses_node_priority_with_dfs_delta_reduced_mutant`
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:1:1
|
1 | / impl F {
2 | | fn call() {
3 | | <Self as Fn(&TestResult)>::call
4 | | }
5 | | }
| |_^ consider adding a `main` function to `perses_node_priority_with_dfs_delta_reduced_mutant.rs`
error[E0658]: use of unstable library feature 'fn_traits'
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:9
|
3 | <Self as Fn(&TestResult)>::call
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= note: see issue #29625 <https://github.com/rust-lang/rust/issues/29625> for more information
= help: add `#![feature(fn_traits)]` to the crate attributes to enable
error[E0229]: associated type bindings are not allowed here
--> perses_node_priority_with_dfs_delta_reduced_mutant.rs:3:18
|
3 | <Self as Fn(&TestResult)>::call
| ^^^^^^^^^^^^^^^ associated type not allowed here
thread 'rustc' panicked at 'assertion failed: !substs.has_escaping_bound_vars()', compiler/rustc_typeck/src/check/fn_ctxt/_impl.rs:1475:9
stack backtrace:
0: rust_begin_unwind
at /rustc/48691ea6e639640f110b43e33d4aba1f07e7415c/library/std/src/panicking.rs:493:5
1: core::panicking::panic_fmt
at /rustc/48691ea6e639640f110b43e33d4aba1f07e7415c/library/core/src/panicking.rs:92:14
2: core::panicking::panic
at /rustc/48691ea6e639640f110b43e33d4aba1f07e7415c/library/core/src/panicking.rs:50:5
3: rustc_typeck::check::fn_ctxt::_impl::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::instantiate_value_path
4: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
5: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
6: rustc_typeck::check::fn_ctxt::checks::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
7: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
8: rustc_typeck::check::expr::<impl rustc_typeck::check::fn_ctxt::FnCtxt>::check_return_expr
9: rustc_typeck::check::check::check_fn
10: rustc_infer::infer::InferCtxtBuilder::enter
11: rustc_typeck::check::typeck
12: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
13: rustc_data_structures::stack::ensure_sufficient_stack
14: rustc_query_system::query::plumbing::force_query_with_job
15: rustc_query_system::query::plumbing::get_query_impl
16: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck
17: rustc_middle::ty::<impl rustc_middle::ty::context::TyCtxt>::par_body_owners
18: rustc_typeck::check::typeck_item_bodies
19: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
20: rustc_data_structures::stack::ensure_sufficient_stack
21: rustc_query_system::query::plumbing::force_query_with_job
22: rustc_query_system::query::plumbing::get_query_impl
23: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck_item_bodies
24: rustc_session::utils::<impl rustc_session::session::Session>::time
25: rustc_typeck::check_crate
26: rustc_interface::passes::analysis
27: rustc_query_system::dep_graph::graph::DepGraph<K>::with_task_impl
28: rustc_data_structures::stack::ensure_sufficient_stack
29: rustc_query_system::query::plumbing::force_query_with_job
30: rustc_query_system::query::plumbing::get_query_impl
31: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::analysis
32: rustc_interface::passes::QueryContext::enter
33: rustc_interface::queries::<impl rustc_interface::interface::Compiler>::enter
34: rustc_span::with_source_map
35: rustc_interface::interface::create_compiler_and_run
36: scoped_tls::ScopedKey<T>::set
note: Some details are omitted, run with `RUST_BACKTRACE=full` for a verbose backtrace.
error: internal compiler error: unexpected panic
note: 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 1.53.0-nightly (48691ea6e 2021-03-29) running on x86_64-unknown-linux-gnu
query stack during panic:
#0 [typeck] type-checking `<impl at perses_node_priority_with_dfs_delta_reduced_mutant.rs:1:1: 5:2>::call`
#1 [typeck_item_bodies] type-checking all item bodies
#2 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0229, E0412, E0601, E0658.
For more information about an error, try `rustc --explain E0229`.