Open matthiaskrgr opened 3 hours ago
error: internal compiler error[E0391]: cycle detected when computing function signature of `IntFactory::stream`
--> f.rs:4:5
|
4 | fn stream(self) -> impl IntFactory<stream(..): Send>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: ...which requires looking up late bound vars inside `IntFactory::stream`...
--> f.rs:4:5
|
4 | fn stream(self) -> impl IntFactory<stream(..): Send>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires resolving lifetimes for `IntFactory::stream`...
--> f.rs:4:5
|
4 | fn stream(self) -> impl IntFactory<stream(..): Send>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: ...which again requires computing function signature of `IntFactory::stream`, completing the cycle
note: cycle used when checking that `IntFactory` is well-formed
--> f.rs:3:1
|
3 | trait IntFactory {
| ^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
note: delayed at compiler/rustc_query_system/src/query/job.rs:596:16
0: <rustc_errors::DiagCtxtInner>::emit_diagnostic
1: <rustc_errors::DiagCtxtHandle>::emit_diagnostic
2: <rustc_span::ErrorGuaranteed as rustc_errors::diagnostic::EmissionGuarantee>::emit_producing_guarantee
3: <rustc_errors::diagnostic::Diag>::delay_as_bug
4: rustc_query_system::query::plumbing::mk_cycle::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 24]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>
5: rustc_query_system::query::plumbing::cycle_error::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 24]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt>
6: rustc_query_impl::query_impl::fn_sig::get_query_non_incr::__rust_end_short_backtrace
7: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 24]>>>
8: <rustc_hir_analysis::collect::resolve_bound_vars::BoundVarContext as rustc_hir::intravisit::Visitor>::visit_path
9: <rustc_hir_analysis::collect::resolve_bound_vars::BoundVarContext>::visit_poly_trait_ref_inner
10: <rustc_hir_analysis::collect::resolve_bound_vars::BoundVarContext as rustc_hir::intravisit::Visitor>::visit_opaque_ty
11: <rustc_hir_analysis::collect::resolve_bound_vars::BoundVarContext as rustc_hir::intravisit::Visitor>::visit_ty
12: <rustc_hir_analysis::collect::resolve_bound_vars::BoundVarContext as rustc_hir::intravisit::Visitor>::visit_trait_item
13: rustc_hir_analysis::collect::resolve_bound_vars::resolve_bound_vars
14: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::resolve_bound_vars::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
15: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_hir::hir_id::OwnerId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
16: rustc_query_impl::query_impl::resolve_bound_vars::get_query_non_incr::__rust_end_short_backtrace
17: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::late_bound_vars_map::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 8]>>
18: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_hir::hir_id::OwnerId, rustc_middle::query::erase::Erased<[u8; 8]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
19: rustc_query_impl::query_impl::late_bound_vars_map::get_query_non_incr::__rust_end_short_backtrace
20: <rustc_middle::ty::context::TyCtxt>::late_bound_vars
21: <dyn rustc_hir_analysis::hir_ty_lowering::HirTyLowerer>::lower_fn_ty
22: rustc_hir_analysis::collect::fn_sig
23: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::fn_sig::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 24]>>
24: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 24]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
25: rustc_query_impl::query_impl::fn_sig::get_query_non_incr::__rust_end_short_backtrace
26: rustc_middle::query::plumbing::query_get_at::<rustc_query_system::query::caches::DefIdCache<rustc_middle::query::erase::Erased<[u8; 24]>>>
27: rustc_hir_analysis::check::check::check_item_type
28: rustc_hir_analysis::check::wfcheck::check_well_formed
29: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_well_formed::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
30: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::VecCache<rustc_span::def_id::LocalDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
31: rustc_query_impl::query_impl::check_well_formed::get_query_non_incr::__rust_end_short_backtrace
32: rustc_hir_analysis::check::wfcheck::check_mod_type_wf
33: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::check_mod_type_wf::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
34: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalModDefId, rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
35: rustc_query_impl::query_impl::check_mod_type_wf::get_query_non_incr::__rust_end_short_backtrace
36: rustc_hir_analysis::check_crate
37: rustc_interface::passes::run_required_analyses
38: rustc_interface::passes::analysis
39: rustc_query_impl::plumbing::__rust_begin_short_backtrace::<rustc_query_impl::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle::query::erase::Erased<[u8; 1]>>
40: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::DynamicConfig<rustc_query_system::query::caches::SingleCache<rustc_middle::query::erase::Erased<[u8; 1]>>, false, false, false>, rustc_query_impl::plumbing::QueryCtxt, false>
41: rustc_query_impl::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
42: rustc_interface::interface::run_compiler::<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}
43: std::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>
44: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_with_globals<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_span::ErrorGuaranteed>, rustc_driver_impl::run_compiler::{closure#0}>::{closure#1}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#0}::{closure#0}, core::result::Result<(), rustc_span::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
45: std::sys::pal::unix::thread::Thread::new::thread_start
46: <unknown>
47: <unknown>
--> f.rs:4:5
|
4 | fn stream(self) -> impl IntFactory<stream(..): Send>;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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: please attach the file at `/tmp/im/rustc-ice-2024-10-13T12_34_05-2779095.txt` to your bug report
query stack during panic:
end of query stack
auto-reduced (treereduce-rust):
original:
Version information
Command:
/home/matthias/.rustup/toolchains/master/bin/rustc
Program output
``` warning: trait `IntFactory` is never used --> /tmp/icemaker_global_tempdir.Y5oQaABbYFFD/rustc_testrunner_tmpdir_reporting.Lfitn4m1Yb8Y/mvce.rs:3:7 | 3 | trait IntFactory { | ^^^^^^^^^^ | = note: `#[warn(dead_code)]` on by default warning: 1 warning emitted note: no errors encountered even though delayed bugs were created note: those delayed bugs will now be shown as internal compiler errors error: internal compiler error[E0391]: cycle detected when computing function signature of `IntFactory::stream` --> /tmp/icemaker_global_tempdir.Y5oQaABbYFFD/rustc_testrunner_tmpdir_reporting.Lfitn4m1Yb8Y/mvce.rs:4:5 | 4 | fn stream(self) -> impl IntFactory;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
|
note: ...which requires looking up late bound vars inside `IntFactory::stream`...
--> /tmp/icemaker_global_tempdir.Y5oQaABbYFFD/rustc_testrunner_tmpdir_reporting.Lfitn4m1Yb8Y/mvce.rs:4:5
|
4 | fn stream(self) -> impl IntFactory;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
note: ...which requires resolving lifetimes for `IntFactory::stream`...
--> /tmp/icemaker_global_tempdir.Y5oQaABbYFFD/rustc_testrunner_tmpdir_reporting.Lfitn4m1Yb8Y/mvce.rs:4:5
|
4 | fn stream(self) -> impl IntFactory;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
= note: ...which again requires computing function signature of `IntFactory::stream`, completing the cycle
note: cycle used when checking that `IntFactory` is well-formed
--> /tmp/icemaker_global_tempdir.Y5oQaABbYFFD/rustc_testrunner_tmpdir_reporting.Lfitn4m1Yb8Y/mvce.rs:3:1
|
3 | trait IntFactory {
| ^^^^^^^^^^^^^^^^
= note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information
note: delayed at compiler/rustc_query_system/src/query/job.rs:596:16 - disabled backtrace
--> /tmp/icemaker_global_tempdir.Y5oQaABbYFFD/rustc_testrunner_tmpdir_reporting.Lfitn4m1Yb8Y/mvce.rs:4:5
|
4 | fn stream(self) -> impl IntFactory;
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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 1.83.0-nightly (ecf2d1fa4 2024-10-13) running on x86_64-unknown-linux-gnu
query stack during panic:
end of query stack
```
@rustbot label +F-return_type_notation