ICE: !a.has_escaping_bound_vars() #139381
Description
auto-reduced (treereduce-rust):
trait A<'a> { type Assoc: ?Sized; } impl<'a> A<'a> for () { type Assoc = &'a (); } fn hello() -> impl for<'a> A<'a, Assoc: Into<u8> + 'static + Copy> { () }original:
//@ check-pass trait A<'a> { type Assoc: ?Sized; } impl<'a> A<'a> for () { type Assoc = &'a (); } fn hello() -> impl for<'a> A<'a, Assoc: Into<u8> + 'static + Copy> { () } fn main() {}Version information
rustc 1.88.0-dev binary: rustc commit-hash: unknown commit-date: unknown host: x86_64-unknown-linux-gnu release: 1.88.0-dev LLVM version: 20.1.2 Command:
/home/gh-matthiaskrgr/.rustup/toolchains/local-debug-assertions/bin/rustc
Program output
error[E0601]: `main` function not found in crate `mvce` --> /tmp/icemaker_global_tempdir.cTetLsFRCh31/rustc_testrunner_tmpdir_reporting.LLSrH3YaFNIL/mvce.rs:11:2 | 11 | } | ^ consider adding a `main` function to `/tmp/icemaker_global_tempdir.cTetLsFRCh31/rustc_testrunner_tmpdir_reporting.LLSrH3YaFNIL/mvce.rs` thread 'rustc' panicked at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_type_ir/src/relate/combine.rs:54:5: assertion failed: !a.has_escaping_bound_vars() stack backtrace: 0: 0x7d0a1b86af33 - std::backtrace_rs::backtrace::libunwind::trace::h058677524833a6b8 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9 1: 0x7d0a1b86af33 - std::backtrace_rs::backtrace::trace_unsynchronized::h98e3bf1bf092de3c at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14 2: 0x7d0a1b86af33 - std::sys::backtrace::_print_fmt::h0693e8ebeb886cfa at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/sys/backtrace.rs:66:9 3: 0x7d0a1b86af33 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hffadf8d683d43b08 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/sys/backtrace.rs:39:26 4: 0x7d0a168b34a1 - core::fmt::rt::Argument::fmt::h51b5148115b1cc73 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/fmt/rt.rs:178:76 5: 0x7d0a168b34a1 - core::fmt::write::h96b1945cb8d5edf6 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/fmt/mod.rs:1480:21 6: 0x7d0a1b8260e9 - std::io::default_write_fmt::hf45f5329379f552b at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:639:11 7: 0x7d0a1b8260e9 - std::io::Write::write_fmt::h739b0d712cccf231 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/io/mod.rs:1914:13 8: 0x7d0a1b86add3 - std::sys::backtrace::BacktraceLock::print::h909fc60c9b33bda4 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/sys/backtrace.rs:42:9 9: 0x7d0a1b857199 - std::panicking::default_hook::{{closure}}::h65aaf55d6ed811e6 10: 0x7d0a1b856fd3 - std::panicking::default_hook::hf2fdacddcf45ad0a at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:327:9 11: 0x7d0a17d8f4cb - rustc_driver_impl[b803c1eededc3934]::install_ice_hook::{closure#1} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_driver_impl/src/lib.rs:1371:17 12: 0x7d0a17d8f4cb - <alloc[6dd86dc546ece569]::boxed::Box<rustc_driver_impl[b803c1eededc3934]::install_ice_hook::{closure#1}> as core[8d9672d5584755be]::ops::function::Fn<(&dyn for<'a, 'b> core[8d9672d5584755be]::ops::function::Fn<(&'a std[cd54381a177933ca]::panic::PanicHookInfo<'b>,), Output = ()> + core[8d9672d5584755be]::marker::Send + core[8d9672d5584755be]::marker::Sync, &std[cd54381a177933ca]::panic::PanicHookInfo)>>::call at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1980:9 13: 0x7d0a1b857873 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h11a4f2aaad42d4de at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1980:9 14: 0x7d0a1b857873 - std::panicking::rust_panic_with_hook::h9df10e027007a66e at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:841:13 15: 0x7d0a1b86b3d8 - std::panicking::begin_panic_handler::{{closure}}::h454b9a171b778b0f at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:699:13 16: 0x7d0a1b86b209 - std::sys::backtrace::__rust_end_short_backtrace::heee200d47ed01be9 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/sys/backtrace.rs:168:18 17: 0x7d0a1b85728f - __rustc[ed85a5c164681b92]::rust_begin_unwind at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/panicking.rs:697:5 18: 0x7d0a168c25c0 - core::panicking::panic_fmt::hb36d374cbc631117 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:75:14 19: 0x7d0a168c2646 - core::panicking::panic::hbe7946d94f1222a5 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/panicking.rs:145:5 20: 0x7d0a18d3fe03 - rustc_type_ir[a869d5b99fd71b1]::relate::combine::super_combine_tys::<rustc_infer[9ef0f81aa8771fe]::infer::InferCtxt, rustc_middle[e400e38c50169c83]::ty::context::TyCtxt, rustc_infer[9ef0f81aa8771fe]::infer::relate::type_relating::TypeRelating> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_type_ir/src/relate/combine.rs:54:5 21: 0x7d0a18cb996c - <rustc_infer[9ef0f81aa8771fe]::infer::relate::type_relating::TypeRelating as rustc_type_ir[a869d5b99fd71b1]::relate::TypeRelation<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt>>::tys at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_infer/src/infer/relate/type_relating.rs:205:17 22: 0x7d0a1b3af18d - <rustc_middle[e400e38c50169c83]::ty::Ty as rustc_type_ir[a869d5b99fd71b1]::relate::Relate<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt>>::relate::<rustc_infer[9ef0f81aa8771fe]::infer::relate::type_relating::TypeRelating> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/relate.rs:41:9 23: 0x7d0a1b3af18d - <rustc_infer[9ef0f81aa8771fe]::infer::relate::type_relating::TypeRelating as rustc_type_ir[a869d5b99fd71b1]::relate::TypeRelation<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt>>::relate::<rustc_middle[e400e38c50169c83]::ty::Ty> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_type_ir/src/relate.rs:71:9 24: 0x7d0a1b3af18d - <rustc_infer[9ef0f81aa8771fe]::infer::at::At>::eq_trace::<rustc_middle[e400e38c50169c83]::ty::Ty> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_infer/src/infer/at.rs:236:16 25: 0x7d0a1b11a54d - <rustc_infer[9ef0f81aa8771fe]::infer::at::At>::eq::<rustc_middle[e400e38c50169c83]::ty::Ty> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_infer/src/infer/at.rs:199:9 26: 0x7d0a1b11a54d - <rustc_trait_selection[49195541df5bc9f0]::traits::engine::ObligationCtxt>::eq::<rustc_middle[e400e38c50169c83]::ty::Ty> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/traits/engine.rs:131:14 27: 0x7d0a1b11a54d - <rustc_infer[9ef0f81aa8771fe]::infer::InferCtxt as rustc_trait_selection[49195541df5bc9f0]::infer::InferCtxtExt>::can_eq::<rustc_middle[e400e38c50169c83]::ty::Ty>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/infer.rs:25:26 28: 0x7d0a1b0d0707 - <rustc_infer[9ef0f81aa8771fe]::infer::InferCtxt>::probe::<bool, <rustc_infer[9ef0f81aa8771fe]::infer::InferCtxt as rustc_trait_selection[49195541df5bc9f0]::infer::InferCtxtExt>::can_eq<rustc_middle[e400e38c50169c83]::ty::Ty>::{closure#0}> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_infer/src/infer/snapshot/mod.rs:106:17 29: 0x7d0a1afaabe9 - <rustc_infer[9ef0f81aa8771fe]::infer::InferCtxt as rustc_trait_selection[49195541df5bc9f0]::infer::InferCtxtExt>::can_eq::<rustc_middle[e400e38c50169c83]::ty::Ty> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/infer.rs:23:9 30: 0x7d0a1afaabe9 - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::note_obligation_cause_code::<rustc_span[d487cbcc0f7848f3]::ErrorGuaranteed, rustc_type_ir[a869d5b99fd71b1]::binder::Binder<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt, rustc_type_ir[a869d5b99fd71b1]::predicate::TraitPredicate<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt>>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs:3576:29 31: 0x7d0a1afbb7aa - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::note_obligation_cause_code::<rustc_span[d487cbcc0f7848f3]::ErrorGuaranteed, rustc_type_ir[a869d5b99fd71b1]::binder::Binder<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt, rustc_type_ir[a869d5b99fd71b1]::predicate::TraitPredicate<rustc_middle[e400e38c50169c83]::ty::context::TyCtxt>>>::{closure#7} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs:3261:25 32: 0x7d0a1afb746a - stacker[1fe10eee22c7cf45]::maybe_grow::<(), <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::note_obligation_cause_code<rustc_span[d487cbcc0f7848f3]::ErrorGuaranteed, rustc_middle[e400e38c50169c83]::ty::predicate::Predicate>::{closure#9}> at /home/gh-matthiaskrgr/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/stacker-0.1.20/src/lib.rs:57:9 33: 0x7d0a1afb746a - rustc_data_structures[48bbbe4422bc1485]::stack::ensure_sufficient_stack::<(), <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::note_obligation_cause_code<rustc_span[d487cbcc0f7848f3]::ErrorGuaranteed, rustc_middle[e400e38c50169c83]::ty::predicate::Predicate>::{closure#9}> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:21:5 34: 0x7d0a1afb746a - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::note_obligation_cause_code::<rustc_span[d487cbcc0f7848f3]::ErrorGuaranteed, rustc_middle[e400e38c50169c83]::ty::predicate::Predicate> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/suggestions.rs:3403:17 35: 0x7d0a1af941f2 - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::note_obligation_cause at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs:2423:13 36: 0x7d0a1af880ea - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::report_selection_error at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/fulfillment_errors.rs:740:9 37: 0x7d0a1afde16f - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::report_fulfillment_error at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs:274:66 38: 0x7d0a1afc4a53 - <rustc_trait_selection[49195541df5bc9f0]::error_reporting::TypeErrCtxt>::report_fulfillment_errors at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_trait_selection/src/error_reporting/traits/mod.rs:231:32 39: 0x7d0a186b262f - <rustc_hir_typeck[19141a6625f8eee]::fn_ctxt::FnCtxt>::select_obligations_where_possible::<<rustc_hir_typeck[19141a6625f8eee]::fn_ctxt::FnCtxt>::check_return_or_body_tail::{closure#1}> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/fn_ctxt/_impl.rs:693:13 40: 0x7d0a186b262f - <rustc_hir_typeck[19141a6625f8eee]::fn_ctxt::FnCtxt>::check_return_or_body_tail at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/expr.rs:1107:13 41: 0x7d0a18b6c745 - rustc_hir_typeck[19141a6625f8eee]::check::check_fn at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/check.rs:131:5 42: 0x7d0a18b7b301 - rustc_hir_typeck[19141a6625f8eee]::typeck_with_inspect::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:173:9 43: 0x7d0a18b7b301 - rustc_hir_typeck[19141a6625f8eee]::typeck_with_inspect at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_typeck/src/lib.rs:105:1 44: 0x7d0a1a52dca6 - rustc_query_impl[2ae6f340e9b30694]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:288:9 45: 0x7d0a1a52dca6 - rustc_query_impl[2ae6f340e9b30694]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2ae6f340e9b30694]::query_impl::typeck::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:572:18 46: 0x7d0a1a45313b - rustc_query_impl[2ae6f340e9b30694]::query_impl::typeck::dynamic_query::{closure#2} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:646:25 47: 0x7d0a1a45313b - <rustc_query_impl[2ae6f340e9b30694]::query_impl::typeck::dynamic_query::{closure#2} as core[8d9672d5584755be]::ops::function::FnOnce<(rustc_middle[e400e38c50169c83]::ty::context::TyCtxt, rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId)>>::call_once at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5 48: 0x7d0a1a3a1cb1 - <rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false> as rustc_query_system[26c1762410ebf569]::query::config::QueryConfig<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>>::compute at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:124:9 49: 0x7d0a1a3a1cb1 - rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:493:66 50: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::enter_context::<rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:60:9 51: 0x7d0a1a3a1cb1 - <std[cd54381a177933ca]::thread::local::LocalKey<core[8d9672d5584755be]::cell::Cell<*const ()>>>::try_with::<rustc_middle[e400e38c50169c83]::ty::context::tls::enter_context<rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:311:12 52: 0x7d0a1a3a1cb1 - <std[cd54381a177933ca]::thread::local::LocalKey<core[8d9672d5584755be]::cell::Cell<*const ()>>>::with::<rustc_middle[e400e38c50169c83]::ty::context::tls::enter_context<rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/thread/local.rs:275:15 53: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::enter_context::<rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:57:5 54: 0x7d0a1a3a1cb1 - <rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query::<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:155:13 55: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::with_related_context::<<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:112:9 56: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::with_context::<rustc_middle[e400e38c50169c83]::ty::context::tls::with_related_context<<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:90:36 57: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::with_context_opt::<rustc_middle[e400e38c50169c83]::ty::context::tls::with_context<rustc_middle[e400e38c50169c83]::ty::context::tls::with_related_context<<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:79:18 58: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::with_context::<rustc_middle[e400e38c50169c83]::ty::context::tls::with_related_context<<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:90:5 59: 0x7d0a1a3a1cb1 - rustc_middle[e400e38c50169c83]::ty::context::tls::with_related_context::<<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:103:5 60: 0x7d0a1a3a1cb1 - <rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt as rustc_query_system[26c1762410ebf569]::query::QueryContext>::start_query::<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:141:9 61: 0x7d0a1a3a1cb1 - rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:493:18 62: 0x7d0a1a3a1cb1 - rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt, false> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:429:9 63: 0x7d0a1a3a1cb1 - rustc_query_system[26c1762410ebf569]::query::plumbing::try_execute_query::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt, false> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:372:13 64: 0x7d0a1a6ddabe - rustc_query_system[26c1762410ebf569]::query::plumbing::get_query_non_incr::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:814:32 65: 0x7d0a1a6ddabe - stacker[1fe10eee22c7cf45]::maybe_grow::<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::get_query_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}> at /home/gh-matthiaskrgr/.cargo/registry/src/index.crates.io-1949cf8c6b5b557f/stacker-0.1.20/src/lib.rs:57:9 66: 0x7d0a1a6ddabe - rustc_data_structures[48bbbe4422bc1485]::stack::ensure_sufficient_stack::<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::query::plumbing::get_query_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_data_structures/src/stack.rs:21:5 67: 0x7d0a1a6ddabe - rustc_query_system[26c1762410ebf569]::query::plumbing::get_query_non_incr::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:814:5 68: 0x7d0a1a6ddabe - rustc_query_impl[2ae6f340e9b30694]::query_impl::typeck::get_query_non_incr::__rust_end_short_backtrace at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:622:26 69: 0x7d0a1861c286 - rustc_middle[e400e38c50169c83]::query::plumbing::query_get_at::<rustc_data_structures[48bbbe4422bc1485]::vec_cache::VecCache<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>, rustc_query_system[26c1762410ebf569]::dep_graph::graph::DepNodeIndex>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:182:17 70: 0x7d0a1861c286 - <rustc_middle[e400e38c50169c83]::query::plumbing::TyCtxtAt>::typeck::<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:472:31 71: 0x7d0a1861c286 - <rustc_middle[e400e38c50169c83]::ty::context::TyCtxt>::typeck::<rustc_span[d487cbcc0f7848f3]::def_id::LocalDefId> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/query/plumbing.rs:463:35 72: 0x7d0a1861c286 - rustc_hir_analysis[72ba34a918f70982]::collect::type_of::opaque::find_opaque_ty_constraints_for_rpit at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_analysis/src/collect/type_of/opaque.rs:291:22 73: 0x7d0a185cf5c2 - rustc_hir_analysis[72ba34a918f70982]::collect::type_of::type_of_opaque at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_hir_analysis/src/collect/type_of.rs:343:17 74: 0x7d0a1a51156b - rustc_query_impl[2ae6f340e9b30694]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:288:9 75: 0x7d0a1a51156b - rustc_query_impl[2ae6f340e9b30694]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[2ae6f340e9b30694]::query_impl::type_of_opaque::dynamic_query::{closure#2}::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:572:18 76: 0x7d0a1a40facf - rustc_query_impl[2ae6f340e9b30694]::query_impl::type_of_opaque::dynamic_query::{closure#2} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/plumbing.rs:646:25 77: 0x7d0a1a40facf - <rustc_query_impl[2ae6f340e9b30694]::query_impl::type_of_opaque::dynamic_query::{closure#2} as core[8d9672d5584755be]::ops::function::FnOnce<(rustc_middle[e400e38c50169c83]::ty::context::TyCtxt, rustc_span[d487cbcc0f7848f3]::def_id::DefId)>>::call_once at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5 78: 0x7d0a1a321288 - <rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_query_system[26c1762410ebf569]::query::caches::DefIdCache<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>, false, false, false> as rustc_query_system[26c1762410ebf569]::query::config::QueryConfig<rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>>::compute at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_impl/src/lib.rs:124:9 79: 0x7d0a1a321288 - rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr::<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_query_system[26c1762410ebf569]::query::caches::DefIdCache<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_query_system/src/query/plumbing.rs:493:66 80: 0x7d0a1a321288 - rustc_middle[e400e38c50169c83]::ty::context::tls::enter_context::<rustc_query_system[26c1762410ebf569]::query::plumbing::execute_job_non_incr<rustc_query_impl[2ae6f340e9b30694]::DynamicConfig<rustc_query_system[26c1762410ebf569]::query::caches::DefIdCache<rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>, false, false, false>, rustc_query_impl[2ae6f340e9b30694]::plumbing::QueryCtxt>::{closure#0}, rustc_middle[e400e38c50169c83]::query::erase::Erased<[u8; 8usize]>>::{closure#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/compiler/rustc_middle/src/ty/context/tls.rs:60:9 <snip> 282: 0x7d0a17df8758 - std[cd54381a177933ca]::panic::catch_unwind::<core[8d9672d5584755be]::panic::unwind_safe::AssertUnwindSafe<<std[cd54381a177933ca]::thread::Builder>::spawn_unchecked_<rustc_interface[bb7f2a6353b38934]::util::run_in_thread_with_globals<rustc_interface[bb7f2a6353b38934]::util::run_in_thread_pool_with_globals<rustc_interface[bb7f2a6353b38934]::interface::run_compiler<(), rustc_driver_impl[b803c1eededc3934]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1}::{closure#0}>, ()> at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/panic.rs:359:14 283: 0x7d0a17df8758 - <std[cd54381a177933ca]::thread::Builder>::spawn_unchecked_::<rustc_interface[bb7f2a6353b38934]::util::run_in_thread_with_globals<rustc_interface[bb7f2a6353b38934]::util::run_in_thread_pool_with_globals<rustc_interface[bb7f2a6353b38934]::interface::run_compiler<(), rustc_driver_impl[b803c1eededc3934]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/thread/mod.rs:557:30 284: 0x7d0a17df8758 - <<std[cd54381a177933ca]::thread::Builder>::spawn_unchecked_<rustc_interface[bb7f2a6353b38934]::util::run_in_thread_with_globals<rustc_interface[bb7f2a6353b38934]::util::run_in_thread_pool_with_globals<rustc_interface[bb7f2a6353b38934]::interface::run_compiler<(), rustc_driver_impl[b803c1eededc3934]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[8d9672d5584755be]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0} at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/core/src/ops/function.rs:250:5 285: 0x7d0a1b86b9f4 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hc89bcfe5b196542d at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1966:9 286: 0x7d0a1b86b9f4 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hdeda1a4e8bbfb163 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/alloc/src/boxed.rs:1966:9 287: 0x7d0a1b86b9f4 - std::sys::pal::unix::thread::Thread::new::thread_start::ha221d69a9add5217 at /home/gh-matthiaskrgr/vcs/github/rust_debug_assertions/library/std/src/sys/pal/unix/thread.rs:109:17 288: 0x7d0a12e9caa4 - start_thread at ./nptl/pthread_create.c:447:8 289: 0x7d0a12f29c3c - clone3 at ./misc/../sysdeps/unix/sysv/linux/x86_64/clone3.S:78:0 290: 0x0 - <unknown> error: the compiler unexpectedly panicked. this is a bug. note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md note: please make sure that you have updated to the latest nightly note: rustc 1.88.0-dev running on x86_64-unknown-linux-gnu query stack during panic: #0 [typeck] type-checking `hello` #1 [type_of_opaque] computing type of opaque `hello::{opaque#0}` #2 [type_of] computing type of `hello::{opaque#0}` #3 [check_well_formed] checking that `hello::{opaque#0}` is well-formed #4 [check_mod_type_wf] checking that types are well-formed in top-level module #5 [analysis] running analysis passes on this crate end of query stack error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0601`.