ICE: BoundUniversalRegionError

[frozenlib]

Code

use std::marker::PhantomData;
use std::rc::Rc;

pub fn func<V, F: Fn(&mut V)>(f: F) -> A<impl X> {
    A(B(C::new(D::new(move |st| f(st)))))
}

trait X {}
trait Y {
    type V;
}

struct A<T>(T);

struct B<T>(Rc<T>);
impl<T> X for B<T> {}

struct C<T: Y>(T::V);
impl<T: Y> C<T> {
    fn new(_: T) -> Rc<Self> {
        todo!()
    }
}
struct D<V, F>(F, PhantomData<fn(&mut V)>);

impl<V, F> D<V, F> {
    fn new(_: F) -> Self {
        todo!()
    }
}
impl<V, F: Fn(&mut V)> Y for D<V, F> {
    type V = V;
}

Meta

rustc --version --verbose:

rustc 1.68.0-nightly (0b90256ad 2023-01-13)
binary: rustc
commit-hash: 0b90256ada21c6a81b4c18f2c7a23151ab5fc232
commit-date: 2023-01-13
host: x86_64-pc-windows-msvc
release: 1.68.0-nightly
LLVM version: 15.0.6

Error output

thread 'rustc' panicked at 'no entry found for key', compiler\rustc_borrowck\src\region_infer\mod.rs:2163:9
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 1.68.0-nightly (0b90256ad 2023-01-13) running on x86_64-pc-windows-msvc

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
thread 'rustc' panicked at 'no entry found for key', compiler\rustc_borrowck\src\region_infer\mod.rs:2163:9
#0 [mir_borrowck] borrow-checking `func`
#1 [type_of] computing type of `func::{opaque#0}`
end of query stack
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 1.68.0-nightly (0b90256ad 2023-01-13) running on x86_64-pc-windows-msvc

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [mir_borrowck] borrow-checking `func`
#1 [type_of] computing type of `func::{opaque#0}`
end of query stack
error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#16r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U1, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }

Backtrace

Backtrace

thread 'rustc' panicked at 'no entry found for key', compiler\rustc_borrowck\src\region_infer\mod.rs:2163:9
stack backtrace:
thread 'rustc' panicked at 'no entry found for key', compiler\rustc_borrowck\src\region_infer\mod.rs:2163:9
stack backtrace:
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 1.68.0-nightly (0b90256ad 2023-01-13) running on x86_64-pc-windows-msvc

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [mir_borrowck] borrow-checking `func`
#1 [type_of] computing type of `func::{opaque#0}`
#2 [check_mod_item_types] checking item types in top-level module
#3 [analysis] running analysis passes on this crate
end of query stack
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 1.68.0-nightly (0b90256ad 2023-01-13) running on x86_64-pc-windows-msvc

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
#0 [mir_borrowck] borrow-checking `func`
#1 [type_of] computing type of `func::{opaque#0}`
#2 [check_mod_item_types] checking item types in top-level module
#3 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: no errors encountered even though `delay_span_bug` issued

error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#16r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U1, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#17r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U2, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#16r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U1, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#33r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U10, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#17r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U2, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#34r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U11, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#33r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U10, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#35r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U12, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#34r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U11, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#36r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U13, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#38r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U14, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#35r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U12, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#39r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U15, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#36r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U13, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#40r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U16, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#38r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U14, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#41r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U17, name: BrNamed(DefId(0:46 ~ ice_example[4d34]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#39r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U15, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


error: internal compiler error: `compute_regions` tainted `infcx` with errors but did not emit any errors
 --> src\lib.rs:4:1
  |
4 | / pub fn func<V, F: Fn(&mut V)>(f: F) -> A<impl X> {
5 | |     A(B(C::new(D::new(move |st| f(st)))))
6 | | }
  | |_^
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: rustc_attr::builtin::find_transparency
             5: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             6: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
             7: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
             8: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
             9: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            10: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            11: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            12: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            13: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            14: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            15: rustc_hir_analysis::check::check::check_abi
            16: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            17: rustc_privacy::provide
            18: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            19: rustc_hir_analysis::hir_wf_check::provide
            20: rustc_hir_analysis::check_crate
            21: rustc_interface::passes::analysis
            22: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            23: rustc_privacy::provide
            24: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            25: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            26: rustc_driver::args::arg_expand_all
            27: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            28: rustc_driver::args::arg_expand_all
            29: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: std::sys::windows::thread::Thread::new
            32: BaseThreadInitThunk
            33: RtlUserThreadStart


thread 'rustc' panicked at 'called `Result::unwrap()` on an `Err` value: failed while formatting fluent string `infer_trait_placeholder_mismatch`:
the fluent string has an argument `trait_def_id` that was not found.
help: no arguments are available
', compiler\rustc_errors\src\emitter.rs:2306:77
stack backtrace:
   0:     0x7ffb5de79f52 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc866bf8b11919b4f
error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#40r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U16, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


   1:     0x7ffb5deb668b - core::fmt::write::h67f5a998f81d6731
   2:     0x7ffb5de6cc8a - <std::io::IoSlice as core::fmt::Debug>::fmt::h2b24f2cd1b567825
   3:     0x7ffb5de79c9b - std::sys::common::alloc::realloc_fallback::h31973c0233ad2da2
   4:     0x7ffb5de7d649 - std::panicking::default_hook::hce60451ac7b3ab94
   5:     0x7ffb5de7d2cb - std::panicking::default_hook::hce60451ac7b3ab94
   6:     0x7ffaf4a8c37f - rustc_driver[bb081788fe83386c]::describe_lints
   7:     0x7ffb5de7dfaf - std::panicking::rust_panic_with_hook::h698ff0019e4f0cfb
   8:     0x7ffb5de7dd0e - <std::panicking::begin_panic_handler::StrPanicPayload as core::panic::BoxMeUp>::get::h736b7927b09a1075
   9:     0x7ffb5de7ac4f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc866bf8b11919b4f
  10:     0x7ffb5de7d9c0 - rust_begin_unwind
  11:     0x7ffb5deec215 - core::panicking::panic_fmt::hce3f805b550bd1ec
  12:     0x7ffb5deec736 - core::result::unwrap_failed::h3694b801ed086bc0
  13:     0x7ffaf1c3083a - <rustc_errors[b2241cae6fc60286]::emitter::FileWithAnnotatedLines>::collect_annotations
  14:     0x7ffaf1c33994 - rustc_errors[b2241cae6fc60286]::emitter::is_case_difference
  15:     0x7ffaf1c29db1 - <rustc_errors[b2241cae6fc60286]::emitter::EmitterWriter as rustc_errors[b2241cae6fc60286]::emitter::Emitter>::emit_diagnostic
  16:     0x7ffaf1c1fe44 - <rustc_errors[b2241cae6fc60286]::json::JsonEmitter as rustc_errors[b2241cae6fc60286]::emitter::Emitter>::emit_artifact_notification
  17:     0x7ffaf1c1f1dd - <rustc_errors[b2241cae6fc60286]::json::JsonEmitter as rustc_errors[b2241cae6fc60286]::emitter::Emitter>::emit_diagnostic
  18:     0x7ffaf1c1bc47 - <rustc_errors[b2241cae6fc60286]::HandlerInner>::emit_diagnostic
  19:     0x7ffaf1c1b313 - <rustc_errors[b2241cae6fc60286]::HandlerInner>::emit_diagnostic
  20:     0x7ffaf1c1c139 - <rustc_errors[b2241cae6fc60286]::HandlerInner>::emit_diagnostic
  21:     0x7ffaf1c192e9 - <rustc_errors[b2241cae6fc60286]::HandlerInner as core[46165faad62e3de7]::ops::drop::Drop>::drop
  22:     0x7ffaf1bd7a30 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  23:     0x7ffaf1bd9b8c - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  24:     0x7ffaf1bd195d - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  25:     0x7ffaf1bd1704 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  26:     0x7ffaf44a07c0 - _rust_realloc
  27:     0x7ffaf449fc16 - _rust_realloc
  28:     0x7ffaf449b7ec - _rust_realloc
  29:     0x7ffaf449ef7d - _rust_realloc
  30:     0x7ffaf449c105 - _rust_realloc
  31:     0x7ffbc82d3f2f - _chkstk
  32:     0x7ffbc82503d4 - RtlUnwindEx
  33:     0x7ffaf449bcb6 - _rust_realloc
  34:     0x7ffaf449dc29 - _rust_realloc
  35:     0x7ffaf449e03f - _rust_realloc
  36:     0x7ffaf449f079 - _rust_realloc
  37:     0x7ffaf449c105 - _rust_realloc
  38:     0x7ffbc82d3eaf - _chkstk
  39:     0x7ffbc824eae6 - RtlFindCharInUnicodeString
  40:     0x7ffbc8284b35 - RtlRaiseException
  41:     0x7ffbc5b806bc - RaiseException
  42:     0x7ffb5dedef48 - _umodti3
  43:     0x7ffb5de95268 - _rust_start_panic
  44:     0x7ffb5de7e22b - rust_panic
  45:     0x7ffb5de7dfd6 - std::panicking::rust_panic_with_hook::h698ff0019e4f0cfb
  46:     0x7ffb5de7dd0e - <std::panicking::begin_panic_handler::StrPanicPayload as core::panic::BoxMeUp>::get::h736b7927b09a1075
  47:     0x7ffb5de7ac4f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc866bf8b11919b4f
  48:     0x7ffb5de7d9c0 - rust_begin_unwind
  49:     0x7ffb5deec215 - core::panicking::panic_fmt::hce3f805b550bd1ec
  50:     0x7ffb5deb3440 - <core::panic::panic_info::PanicInfo as core::fmt::Display>::fmt::hf81485f6a8a4e354
  51:     0x7ffb5deb33eb - <core::panic::panic_info::PanicInfo as core::fmt::Display>::fmt::hf81485f6a8a4e354
  52:     0x7ffb5deec1d9 - core::option::expect_failed::h42ce0e15bfaf5156
  53:     0x7ffaf4826efc - <rustc_borrowck[8ea061bf871c66e1]::path_utils::Control as core[46165faad62e3de7]::fmt::Debug>::fmt
  54:     0x7ffaf2aec711 - <rustc_borrowck[8ea061bf871c66e1]::MirBorrowckCtxt as rustc_mir_dataflow[4b58f5e2ce45981d]::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
  55:     0x7ffaf2ad63b2 - <rustc_borrowck[8ea061bf871c66e1]::constraint_generation::ConstraintGeneration as rustc_middle[f5d51dd2513ec959]::mir::visit::Visitor>::visit_statement
  56:     0x7ffaf2ad5908 - <rustc_borrowck[8ea061bf871c66e1]::constraint_generation::ConstraintGeneration as rustc_middle[f5d51dd2513ec959]::mir::visit::Visitor>::visit_statement
  57:     0x7ffaf21f18c5 - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_raw_bytes
  58:     0x7ffaf371ffd9 - <rustc_middle[f5d51dd2513ec959]::ty::Visibility as rustc_privacy[8db6e08342172396]::VisibilityLike>::new_min
  59:     0x7ffaf38567cf - <rustc_query_impl[ac4d5ea71928498d]::Queries as rustc_middle[f5d51dd2513ec959]::ty::query::QueryEngine>::as_any
  60:     0x7ffaf2e54459 - <rustc_hir[32b36ec6f432361e]::lang_items::LanguageItems>::pointer_sized
  61:     0x7ffaf389eedb - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_u32
  62:     0x7ffaf37ec6ea - <rustc_middle[f5d51dd2513ec959]::ty::Visibility as rustc_privacy[8db6e08342172396]::VisibilityLike>::new_min
  63:     0x7ffaf1cc7c0c - <<dyn rustc_hir_analysis[8bace4e3c18a24d7]::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis[8bace4e3c18a24d7]::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
  64:     0x7ffaf2e945ab - rustc_hir_analysis[8bace4e3c18a24d7]::check::check::check_abi
  65:     0x7ffaf21f3025 - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_raw_bytes
  66:     0x7ffaf20abb3c - rustc_privacy[8db6e08342172396]::provide
  67:     0x7ffaf21b32cf - <rustc_query_impl[ac4d5ea71928498d]::Queries as rustc_middle[f5d51dd2513ec959]::ty::query::QueryEngine>::try_mark_green
  68:     0x7ffaf1cd1500 - rustc_hir_analysis[8bace4e3c18a24d7]::hir_wf_check::provide
  69:     0x7ffaf1cbb103 - rustc_hir_analysis[8bace4e3c18a24d7]::check_crate
  70:     0x7ffaf1df4d1d - rustc_interface[4c4a2b2ce0ade12b]::passes::analysis
  71:     0x7ffaf2211d79 - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_raw_bytes
  72:     0x7ffaf2134f76 - rustc_privacy[8db6e08342172396]::provide
  73:     0x7ffaf21b110f - <rustc_query_impl[ac4d5ea71928498d]::Queries as rustc_middle[f5d51dd2513ec959]::ty::query::QueryEngine>::try_mark_green
  74:     0x7ffaf1bdaf85 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  75:     0x7ffaf1bec978 - rustc_driver[bb081788fe83386c]::args::arg_expand_all
  76:     0x7ffaf1bd0d22 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  77:     0x7ffaf1bebe16 - rustc_driver[bb081788fe83386c]::args::arg_expand_all
error: internal compiler error: BoundUniversalRegionError { longer_fr: '_#41r, error_element: Location(bb0[0]), placeholder: Placeholder { universe: U17, name: BrNamed(DefId(0:48 ~ ice_example[535b]::{impl#3}::'_), '_) } }
  |
  = note: delayed at    0: std::backtrace::Backtrace::disabled
             1: std::backtrace::Backtrace::force_capture
             2: <rustc_errors::HandlerInner>::emit_diagnostic
             3: <rustc_borrowck::renumber::NllVisitor as rustc_middle::mir::visit::MutVisitor>::visit_constant
             4: <rustc_borrowck::type_check::InstantiateOpaqueType as rustc_borrowck::diagnostics::bound_region_errors::TypeOpInfo>::nice_error
             5: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             6: <rustc_middle::ty::sty::Region as rustc_borrowck::nll::ToRegionVid>::to_region_vid
             7: rustc_attr::builtin::find_transparency
             8: <rustc_borrowck::MirBorrowckCtxt as rustc_mir_dataflow::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
             9: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            10: <rustc_borrowck::constraint_generation::ConstraintGeneration as rustc_middle::mir::visit::Visitor>::visit_statement
            11: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            12: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            13: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::as_any
            14: <rustc_hir::lang_items::LanguageItems>::pointer_sized
            15: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_u32
            16: <rustc_middle::ty::Visibility as rustc_privacy::VisibilityLike>::new_min
            17: <<dyn rustc_hir_analysis::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
            18: rustc_hir_analysis::check::check::check_abi
            19: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            20: rustc_privacy::provide
            21: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            22: rustc_hir_analysis::hir_wf_check::provide
            23: rustc_hir_analysis::check_crate
            24: rustc_interface::passes::analysis
            25: <rustc_query_impl::on_disk_cache::CacheEncoder as rustc_serialize::serialize::Encoder>::emit_raw_bytes
            26: rustc_privacy::provide
            27: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::try_mark_green
            28: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            29: rustc_driver::args::arg_expand_all
            30: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            31: rustc_driver::args::arg_expand_all
            32: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            33: <rustc_data_structures::temp_dir::MaybeTempDir>::new
            34: std::sys::windows::thread::Thread::new
            35: BaseThreadInitThunk
            36: RtlUserThreadStart


  78:     0x7ffaf1bdc123 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  79:     0x7ffaf1bd4b2d - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  80:     0x7ffb5de90b3c - std::sys::windows::thread::Thread::new::hd0260019de9c231a
  81:     0x7ffbc78426bd - BaseThreadInitThunk
  82:     0x7ffbc828dfb8 - 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 1.68.0-nightly (0b90256ad 2023-01-13) running on x86_64-pc-windows-msvc

note: compiler flags: --crate-type lib -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

thread 'rustc' panicked at 'called `Result::unwrap()` on an `Err` value: failed while formatting fluent string `infer_trait_placeholder_mismatch`:
note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread panicked while panicking. aborting.
the fluent string has an argument `trait_def_id` that was not found.
help: no arguments are available
', compiler\rustc_errors\src\emitter.rs:2306:77
stack backtrace:
   0:     0x7ffb5de79f52 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc866bf8b11919b4f
   1:     0x7ffb5deb668b - core::fmt::write::h67f5a998f81d6731
   2:     0x7ffb5de6cc8a - <std::io::IoSlice as core::fmt::Debug>::fmt::h2b24f2cd1b567825
   3:     0x7ffb5de79c9b - std::sys::common::alloc::realloc_fallback::h31973c0233ad2da2
   4:     0x7ffb5de7d649 - std::panicking::default_hook::hce60451ac7b3ab94
   5:     0x7ffb5de7d2cb - std::panicking::default_hook::hce60451ac7b3ab94
   6:     0x7ffaf4a8c37f - rustc_driver[bb081788fe83386c]::describe_lints
   7:     0x7ffb5de7dfaf - std::panicking::rust_panic_with_hook::h698ff0019e4f0cfb
   8:     0x7ffb5de7dd0e - <std::panicking::begin_panic_handler::StrPanicPayload as core::panic::BoxMeUp>::get::h736b7927b09a1075
   9:     0x7ffb5de7ac4f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc866bf8b11919b4f
  10:     0x7ffb5de7d9c0 - rust_begin_unwind
  11:     0x7ffb5deec215 - core::panicking::panic_fmt::hce3f805b550bd1ec
  12:     0x7ffb5deec736 - core::result::unwrap_failed::h3694b801ed086bc0
  13:     0x7ffaf1c3083a - <rustc_errors[b2241cae6fc60286]::emitter::FileWithAnnotatedLines>::collect_annotations
  14:     0x7ffaf1c33994 - rustc_errors[b2241cae6fc60286]::emitter::is_case_difference
  15:     0x7ffaf1c29db1 - <rustc_errors[b2241cae6fc60286]::emitter::EmitterWriter as rustc_errors[b2241cae6fc60286]::emitter::Emitter>::emit_diagnostic
  16:     0x7ffaf1c1fe44 - <rustc_errors[b2241cae6fc60286]::json::JsonEmitter as rustc_errors[b2241cae6fc60286]::emitter::Emitter>::emit_artifact_notification
  17:     0x7ffaf1c1f1dd - <rustc_errors[b2241cae6fc60286]::json::JsonEmitter as rustc_errors[b2241cae6fc60286]::emitter::Emitter>::emit_diagnostic
  18:     0x7ffaf1c1bc47 - <rustc_errors[b2241cae6fc60286]::HandlerInner>::emit_diagnostic
  19:     0x7ffaf1c1b313 - <rustc_errors[b2241cae6fc60286]::HandlerInner>::emit_diagnostic
  20:     0x7ffaf1c1c139 - <rustc_errors[b2241cae6fc60286]::HandlerInner>::emit_diagnostic
  21:     0x7ffaf1c192e9 - <rustc_errors[b2241cae6fc60286]::HandlerInner as core[46165faad62e3de7]::ops::drop::Drop>::drop
  22:     0x7ffaf1bd7a30 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  23:     0x7ffaf1bd9b8c - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  24:     0x7ffaf1bd195d - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  25:     0x7ffaf1bd1704 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  26:     0x7ffaf44a07c0 - _rust_realloc
  27:     0x7ffaf449fc16 - _rust_realloc
  28:     0x7ffaf449b7ec - _rust_realloc
  29:     0x7ffaf449ef7d - _rust_realloc
  30:     0x7ffaf449c105 - _rust_realloc
  31:     0x7ffbc82d3f2f - _chkstk
  32:     0x7ffbc82503d4 - RtlUnwindEx
  33:     0x7ffaf449bcb6 - _rust_realloc
  34:     0x7ffaf449dc29 - _rust_realloc
  35:     0x7ffaf449e03f - _rust_realloc
  36:     0x7ffaf449f079 - _rust_realloc
  37:     0x7ffaf449c105 - _rust_realloc
  38:     0x7ffbc82d3eaf - _chkstk
  39:     0x7ffbc824eae6 - RtlFindCharInUnicodeString
  40:     0x7ffbc8284b35 - RtlRaiseException
  41:     0x7ffbc5b806bc - RaiseException
  42:     0x7ffb5dedef48 - _umodti3
  43:     0x7ffb5de95268 - _rust_start_panic
  44:     0x7ffb5de7e22b - rust_panic
  45:     0x7ffb5de7dfd6 - std::panicking::rust_panic_with_hook::h698ff0019e4f0cfb
  46:     0x7ffb5de7dd0e - <std::panicking::begin_panic_handler::StrPanicPayload as core::panic::BoxMeUp>::get::h736b7927b09a1075
  47:     0x7ffb5de7ac4f - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc866bf8b11919b4f
  48:     0x7ffb5de7d9c0 - rust_begin_unwind
  49:     0x7ffb5deec215 - core::panicking::panic_fmt::hce3f805b550bd1ec
  50:     0x7ffb5deb3440 - <core::panic::panic_info::PanicInfo as core::fmt::Display>::fmt::hf81485f6a8a4e354
  51:     0x7ffb5deb33eb - <core::panic::panic_info::PanicInfo as core::fmt::Display>::fmt::hf81485f6a8a4e354
  52:     0x7ffb5deec1d9 - core::option::expect_failed::h42ce0e15bfaf5156
  53:     0x7ffaf4826efc - <rustc_borrowck[8ea061bf871c66e1]::path_utils::Control as core[46165faad62e3de7]::fmt::Debug>::fmt
  54:     0x7ffaf2aec711 - <rustc_borrowck[8ea061bf871c66e1]::MirBorrowckCtxt as rustc_mir_dataflow[4b58f5e2ce45981d]::framework::visitor::ResultsVisitor>::visit_terminator_before_primary_effect
  55:     0x7ffaf2ad63b2 - <rustc_borrowck[8ea061bf871c66e1]::constraint_generation::ConstraintGeneration as rustc_middle[f5d51dd2513ec959]::mir::visit::Visitor>::visit_statement
  56:     0x7ffaf2ad5908 - <rustc_borrowck[8ea061bf871c66e1]::constraint_generation::ConstraintGeneration as rustc_middle[f5d51dd2513ec959]::mir::visit::Visitor>::visit_statement
  57:     0x7ffaf21f18c5 - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_raw_bytes
  58:     0x7ffaf371ffd9 - <rustc_middle[f5d51dd2513ec959]::ty::Visibility as rustc_privacy[8db6e08342172396]::VisibilityLike>::new_min
  59:     0x7ffaf38567cf - <rustc_query_impl[ac4d5ea71928498d]::Queries as rustc_middle[f5d51dd2513ec959]::ty::query::QueryEngine>::as_any
  60:     0x7ffaf2e54459 - <rustc_hir[32b36ec6f432361e]::lang_items::LanguageItems>::pointer_sized
  61:     0x7ffaf389eedb - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_u32
  62:     0x7ffaf37ec6ea - <rustc_middle[f5d51dd2513ec959]::ty::Visibility as rustc_privacy[8db6e08342172396]::VisibilityLike>::new_min
  63:     0x7ffaf1cc7c0c - <<dyn rustc_hir_analysis[8bace4e3c18a24d7]::astconv::AstConv>::create_substs_for_ast_path::{closure#0}::SubstsForAstPathCtxt as rustc_hir_analysis[8bace4e3c18a24d7]::astconv::CreateSubstsForGenericArgsCtxt>::inferred_kind
  64:     0x7ffaf2e945ab - rustc_hir_analysis[8bace4e3c18a24d7]::check::check::check_abi
  65:     0x7ffaf21f3025 - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_raw_bytes
  66:     0x7ffaf20abb3c - rustc_privacy[8db6e08342172396]::provide
  67:     0x7ffaf21b32cf - <rustc_query_impl[ac4d5ea71928498d]::Queries as rustc_middle[f5d51dd2513ec959]::ty::query::QueryEngine>::try_mark_green
  68:     0x7ffaf1cd1500 - rustc_hir_analysis[8bace4e3c18a24d7]::hir_wf_check::provide
  69:     0x7ffaf1cbb103 - rustc_hir_analysis[8bace4e3c18a24d7]::check_crate
  70:     0x7ffaf1df4d1d - rustc_interface[4c4a2b2ce0ade12b]::passes::analysis
  71:     0x7ffaf2211d79 - <rustc_query_impl[ac4d5ea71928498d]::on_disk_cache::CacheEncoder as rustc_serialize[374f527923e49b7f]::serialize::Encoder>::emit_raw_bytes
error: could not compile `ice-example`

Caused by:
  process didn't exit successfully: `rustc --crate-name ice_example --edition=2021 src\lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --diagnostic-width=186 --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=b88d3f7568afe792 -C extra-filename=-b88d3f7568afe792 --out-dir F:\my_data\projects\ice-example\target\debug\deps -C incremental=F:\my_data\projects\ice-example\target\debug\incremental -L dependency=F:\my_data\projects\ice-example\target\debug\deps` (exit code: 0xc0000409, STATUS_STACK_BUFFER_OVERRUN)
warning: build failed, waiting for other jobs to finish...
  72:     0x7ffaf2134f76 - rustc_privacy[8db6e08342172396]::provide
  73:     0x7ffaf21b110f - <rustc_query_impl[ac4d5ea71928498d]::Queries as rustc_middle[f5d51dd2513ec959]::ty::query::QueryEngine>::try_mark_green
  74:     0x7ffaf1bdaf85 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  75:     0x7ffaf1bec978 - rustc_driver[bb081788fe83386c]::args::arg_expand_all
  76:     0x7ffaf1bd0d22 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  77:     0x7ffaf1bebe16 - rustc_driver[bb081788fe83386c]::args::arg_expand_all
  78:     0x7ffaf1bdc123 - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  79:     0x7ffaf1bd4b2d - <rustc_data_structures[2a4e4975c8d1ae43]::temp_dir::MaybeTempDir>::new
  80:     0x7ffb5de90b3c - std::sys::windows::thread::Thread::new::hd0260019de9c231a
  81:     0x7ffbc78426bd - BaseThreadInitThunk
  82:     0x7ffbc828dfb8 - 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 1.68.0-nightly (0b90256ad 2023-01-13) running on x86_64-pc-windows-msvc

note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental=[REDACTED]

note: some of the compiler flags provided by cargo are hidden

query stack during panic:
end of query stack
thread panicked while panicking. aborting.
error: could not compile `ice-example`

https://gist.github.com/frozenlib/f473e0008fb5af5d1e48187c2934e536

[compiler-errors]

This was fixed in #115384.

searched nightlies: from nightly-2023-06-01 to nightly-2023-09-22
regressed nightly: nightly-2023-09-01
searched commit range: 59a8294...2f5df8a
regressed commit: 4b71f03

bisected with cargo-bisect-rustc v0.6.6

Host triple: aarch64-unknown-linux-gnu
Reproduce with:

cargo bisect-rustc --start=2023-06-01 --regress=non-ice