rustc 1.62.0-nightly (4dd8b420c 2022-05-01) binary: rustc commit-hash: 4dd8b420c027001e47b0d811a7e55e2fe1de1395 commit-date: 2022-05-01 host: x86_64-pc-windows-msvc release: 1.62.0-nightly LLVM version: 14.0.1 

error: only lifetime parameters can be used in this context --> tests\bug.rs:3:22 | 3 | trait FromAll = for<T> From<T>; | ^ error: only lifetime parameters can be used in this context --> tests\bug.rs:4:37 | 4 | trait FromAllWithSendAndSync = for<T> From<T> where T : Send + Sync; | ^ error[E0412]: cannot find type `T` in this scope --> tests\bug.rs:4:54 | 4 | trait FromAllWithSendAndSync = for<T> From<T> where T : Send + Sync; | ^ not found in this scope error[E0658]: trait aliases are experimental --> tests\bug.rs:3:1 | 3 | trait FromAll = for<T> From<T>; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #41517 <https://github.com/rust-lang/rust/issues/41517> for more information = help: add `#![feature(trait_alias)]` to the crate attributes to enable error[E0658]: trait aliases are experimental --> tests\bug.rs:4:1 | 4 | trait FromAllWithSendAndSync = for<T> From<T> where T : Send + Sync; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: see issue #41517 <https://github.com/rust-lang/rust/issues/41517> for more information = help: add `#![feature(trait_alias)]` to the crate attributes to enable thread 'rustc' panicked at 'no entry found for key', compiler\rustc_typeck\src\astconv\mod.rs:2265:29 stack backtrace: 0: 0x7ff85164981f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8625ded047ed2522 1: 0x7ff851679cca - core::fmt::write::h512246f701a9a3fa 2: 0x7ff85163bf49 - <std::io::IoSliceMut as core::fmt::Debug>::fmt::hf6cd706445243974 3: 0x7ff85164d00b - std::panicking::default_hook::h972e478088f50e7d 4: 0x7ff85164cbfe - std::panicking::default_hook::h972e478088f50e7d 5: 0x7fffec118176 - <rustc_middle[352cd0e1f647bdb4]::ty::SymbolName as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 6: 0x7ff85164d8ea - std::panicking::rust_panic_with_hook::h5d3b547f90b7adae 7: 0x7ff85164d63d - <std::panicking::begin_panic_handler::StrPanicPayload as core::panic::BoxMeUp>::get::h60bd2364d46420e9 8: 0x7ff85164a317 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h8625ded047ed2522 9: 0x7ff85164d319 - rust_begin_unwind 10: 0x7ff8516b7f35 - core::panicking::panic_fmt::he373f2294b0d11a6 11: 0x7ff8516766b0 - <core::panic::panic_info::PanicInfo as core::fmt::Display>::fmt::h591acc9d4b2142b1 12: 0x7ff85167665b - <core::panic::panic_info::PanicInfo as core::fmt::Display>::fmt::h591acc9d4b2142b1 13: 0x7ff8516b7d89 - core::option::expect_failed::had66e6c96fced320 14: 0x7fffeec39bb5 - <rustc_typeck[6295ca19728000f2]::check::regionck::RegionCtxt as rustc_hir[8b2b65a6f8700afc]::intravisit::Visitor>::visit_expr 15: 0x7fffeec459fe - <<dyn rustc_typeck[6295ca19728000f2]::astconv::AstConv>::create_substs_for_ast_path::SubstsForAstPathCtxt as rustc_typeck[6295ca19728000f2]::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind 16: 0x7fffeec43ee2 - <<dyn rustc_typeck[6295ca19728000f2]::astconv::AstConv>::create_substs_for_ast_path::SubstsForAstPathCtxt as rustc_typeck[6295ca19728000f2]::astconv::CreateSubstsForGenericArgsCtxt>::provided_kind 17: 0x7fffeec43cc0 - <<dyn rustc_typeck[6295ca19728000f2]::astconv::AstConv>::create_substs_for_ast_path::SubstsForAstPathCtxt as rustc_typeck[6295ca19728000f2]::astconv::CreateSubstsForGenericArgsCtxt>::provided_kind 18: 0x7fffeec417e5 - <rustc_typeck[6295ca19728000f2]::astconv::ConvertedBindingKind as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 19: 0x7fffeec204db - <rustc_typeck[6295ca19728000f2]::check::regionck::RegionCtxt as rustc_hir[8b2b65a6f8700afc]::intravisit::Visitor>::visit_expr 20: 0x7fffeec44833 - <<dyn rustc_typeck[6295ca19728000f2]::astconv::AstConv>::create_substs_for_ast_path::SubstsForAstPathCtxt as rustc_typeck[6295ca19728000f2]::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind 21: 0x7fffeec44e2a - <<dyn rustc_typeck[6295ca19728000f2]::astconv::AstConv>::create_substs_for_ast_path::SubstsForAstPathCtxt as rustc_typeck[6295ca19728000f2]::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind 22: 0x7fffeedbf497 - <rustc_typeck[6295ca19728000f2]::collect::ItemCtxt as rustc_typeck[6295ca19728000f2]::astconv::AstConv>::projected_ty_from_poly_trait_ref 23: 0x7fffef8fbf62 - <rustc_query_impl[8fc8a331b5098fc]::queries::generator_diagnostic_data as rustc_query_system[953909a967a067fe]::query::config::QueryDescription<rustc_query_impl[8fc8a331b5098fc]::plumbing::QueryCtxt>>::describe 24: 0x7fffefbaed6b - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 25: 0x7fffefb4c054 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 26: 0x7fffef842c77 - <rustc_query_impl[8fc8a331b5098fc]::Queries as rustc_middle[352cd0e1f647bdb4]::ty::query::QueryEngine>::try_mark_green 27: 0x7fffeedbf195 - <rustc_typeck[6295ca19728000f2]::collect::ItemCtxt as rustc_typeck[6295ca19728000f2]::astconv::AstConv>::projected_ty_from_poly_trait_ref 28: 0x7fffef8fad1b - <rustc_query_impl[8fc8a331b5098fc]::queries::generator_diagnostic_data as rustc_query_system[953909a967a067fe]::query::config::QueryDescription<rustc_query_impl[8fc8a331b5098fc]::plumbing::QueryCtxt>>::describe 29: 0x7fffefb97933 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 30: 0x7fffefa5078d - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 31: 0x7fffefb27ab0 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 32: 0x7fffef842c26 - <rustc_query_impl[8fc8a331b5098fc]::Queries as rustc_middle[352cd0e1f647bdb4]::ty::query::QueryEngine>::try_mark_green 33: 0x7fffeedb8f6c - <rustc_typeck[6295ca19728000f2]::collect::ItemCtxt as rustc_typeck[6295ca19728000f2]::astconv::AstConv>::projected_ty_from_poly_trait_ref 34: 0x7fffeedb07d4 - <rustc_typeck[6295ca19728000f2]::collect::CollectItemTypesVisitor as rustc_hir[8b2b65a6f8700afc]::intravisit::Visitor>::visit_item 35: 0x7fffeecbc9b7 - <rustc_typeck[6295ca19728000f2]::structured_errors::wrong_number_of_generic_args::GenericArgsInfo as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 36: 0x7fffeedafdad - <rustc_typeck[6295ca19728000f2]::constrained_generic_params::Parameter as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 37: 0x7fffef8fabb8 - <rustc_query_impl[8fc8a331b5098fc]::queries::generator_diagnostic_data as rustc_query_system[953909a967a067fe]::query::config::QueryDescription<rustc_query_impl[8fc8a331b5098fc]::plumbing::QueryCtxt>>::describe 38: 0x7fffefb972d2 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 39: 0x7fffefa1eb75 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 40: 0x7fffefb34675 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 41: 0x7fffeecbbb91 - <rustc_typeck[6295ca19728000f2]::structured_errors::wrong_number_of_generic_args::GenericArgsInfo as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 42: 0x7fffeec09de0 - <rustc_typeck[6295ca19728000f2]::collect::type_of::find_opaque_ty_constraints::ConstraintLocator as rustc_hir[8b2b65a6f8700afc]::intravisit::Visitor>::visit_trait_item 43: 0x7fffeebd1bd5 - rustc_typeck[6295ca19728000f2]::check_crate 44: 0x7fffec276e8f - rustc_interface[b5d4a0678fc71c3e]::passes::analysis 45: 0x7fffef8fc47e - <rustc_query_impl[8fc8a331b5098fc]::queries::generator_diagnostic_data as rustc_query_system[953909a967a067fe]::query::config::QueryDescription<rustc_query_impl[8fc8a331b5098fc]::plumbing::QueryCtxt>>::describe 46: 0x7fffefbb30af - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 47: 0x7fffefa9aa54 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 48: 0x7fffefb53016 - <(rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>, rustc_middle[352cd0e1f647bdb4]::ty::consts::kind::Unevaluated<()>) as rustc_query_impl[8fc8a331b5098fc]::keys::Key>::default_span 49: 0x7fffec0d923f - <rustc_driver[b40df27f6a91b84b]::args::Error as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 50: 0x7fffec0ac538 - <rustc_borrowck[2f9b6e4e3e933467]::type_check::relate_tys::NllTypeRelatingDelegate as rustc_infer[53af0d19a363ec26]::infer::nll_relate::TypeRelatingDelegate>::const_equate 51: 0x7fffec12b025 - rustc_driver[b40df27f6a91b84b]::pretty::print_after_hir_lowering 52: 0x7fffec0ad876 - <rustc_borrowck[2f9b6e4e3e933467]::type_check::relate_tys::NllTypeRelatingDelegate as rustc_infer[53af0d19a363ec26]::infer::nll_relate::TypeRelatingDelegate>::const_equate 53: 0x7fffec0db916 - <rustc_driver[b40df27f6a91b84b]::args::Error as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 54: 0x7fffec0dc948 - <rustc_driver[b40df27f6a91b84b]::args::Error as core[cb8fe68b4eeecabf]::fmt::Debug>::fmt 55: 0x7ff85165ed5c - std::sys::windows::thread::Thread::new::h1230e6e43c8b9a1b 56: 0x7ff894a854e0 - BaseThreadInitThunk 57: 0x7ff895d0485b - RtlUserThreadStart 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 1.62.0-nightly (4dd8b420c 2022-05-01) running on x86_64-pc-windows-msvc note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental note: some of the compiler flags provided by cargo are hidden query stack during panic: #0 [super_predicates_that_define_assoc_type] computing the super traits of `FromAll` #1 [super_predicates_of] computing the super predicates of `FromAll` #2 [collect_mod_item_types] collecting item types in top-level module #3 [analysis] running analysis passes on this crate end of query stack Some errors have detailed explanations: E0412, E0658. For more information about an error, try `rustc --explain E0412`. error: could not compile `generic-session-types` due to 5 previous err