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SephVelut opened this issue May 7, 2022 · 3 comments
Closed

closure causes panic #96809

SephVelut opened this issue May 7, 2022 · 3 comments
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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@SephVelut
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SephVelut commented May 7, 2022 •
edited
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Change title if you understand this panic more descriptively.

note: rustc 1.62.0-nightly (30f386087 2022-05-05) running on x86_64-unknown-linux-gnu
note: compiler flags: -C embed-bitcode=no -C debuginfo=2 -C incremental
note: some of the compiler flags provided by cargo are hidden

I don't really know how to minimize this example.

use pom::parser::{is_a, one_of}

#[test]
fn parse() {
    let input = b"Treehouse.ads :=";

    let uppercase_char = is_a(|x: u8| (x as char).is_uppercase());
    let pound = is_a(|x: u8| x == b'#');
    let ident = (one_of(b"abcdefghijklmnopqrstuvwxyz") | one_of(b"ABCDEFGHIJKLMNOPQRSTUVWXYZ")).repeat(0..);

    let spec_name = (-uppercase_char * ident).map((String::from_utf8).unwrap()); //this causes the panic

    println!("{:?}", spec_name.parse(input));
}

cargo test

thread 'rustc' panicked at 'DefId::expect_local: `DefId(5:5877 ~ alloc[2132]::string::{impl#0}::from_utf8)` isn't local', /rustc/30f386087564243ab88a93c984c265290a31580b/compiler/rustc_span/src/def_id.rs:283:43
stack backtrace:
   0:     0x7f77a128efad - std::backtrace_rs::backtrace::libunwind::trace::h7991ec96ab4c54d4
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f77a128efad - std::backtrace_rs::backtrace::trace_unsynchronized::h18b7a321bd5fc0be
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f77a128efad - std::sys_common::backtrace::_print_fmt::h3ce334712315b3b3
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7f77a128efad - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9fe3cb3617616bb1
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7f77a12eacec - core::fmt::write::h3467ff15bc25f01c
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/core/src/fmt/mod.rs:1194:17
   5:     0x7f77a12806a1 - std::io::Write::write_fmt::h27e7b97a23eeefb1
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/io/mod.rs:1655:15
   6:     0x7f77a1291cc5 - std::sys_common::backtrace::_print::h31df922f8c433d5d
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7f77a1291cc5 - std::sys_common::backtrace::print::hbb7030c9dcb3d932
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7f77a1291cc5 - std::panicking::default_hook::{{closure}}::hfbd0333e3bf0a7f2
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:295:22
   9:     0x7f77a1291939 - std::panicking::default_hook::h3b718975ac1f8c21
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:314:9
  10:     0x7f77a1a54301 - rustc_driver[c9d212e03a1c949d]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f77a1292496 - std::panicking::rust_panic_with_hook::h6a0399740ae00003
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:702:17
  12:     0x7f77a1292297 - std::panicking::begin_panic_handler::{{closure}}::h74abd2966959f709
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:588:13
  13:     0x7f77a128f464 - std::sys_common::backtrace::__rust_end_short_backtrace::h3ff98f1918a8e264
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:138:18
  14:     0x7f77a1291fc9 - rust_begin_unwind
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:584:5
  15:     0x7f77a1257293 - core::panicking::panic_fmt::hb51507b0dc635922
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/core/src/panicking.rs:142:14
  16:     0x7f77a1d5a126 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::report_method_error
  17:     0x7f77a2f3f31b - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_expr_kind
  18:     0x7f77a2efea1f - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_argument_types
  19:     0x7f77a2f3ab70 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_expr_kind
  20:     0x7f77a2f392d0 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  21:     0x7f77a2f27909 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_stmt
  22:     0x7f77a2f29142 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_block_with_expected
  23:     0x7f77a2f3a5c3 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_expr_kind
  24:     0x7f77a2f392d0 - <rustc_typeck[aa822bc0d0c95cda]::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
  25:     0x7f77a305d844 - rustc_typeck[aa822bc0d0c95cda]::check::check::check_fn
  26:     0x7f77a2fbb39c - <rustc_infer[fe031dec95907e56]::infer::InferCtxtBuilder>::enter::<&rustc_middle[aad4a7609f56511b]::ty::context::TypeckResults, <rustc_typeck[aa822bc0d0c95cda]::check::inherited::InheritedBuilder>::enter<rustc_typeck[aa822bc0d0c95cda]::check::typeck_with_fallback<rustc_typeck[aa822bc0d0c95cda]::check::typeck::{closure#0}>::{closure#1}, &rustc_middle[aad4a7609f56511b]::ty::context::TypeckResults>::{closure#0}>
  27:     0x7f77a2f72290 - rustc_typeck[aa822bc0d0c95cda]::check::typeck
  28:     0x7f77a3f87e70 - <rustc_query_system[a591ad4c8c400a0c]::dep_graph::graph::DepGraph<rustc_middle[aad4a7609f56511b]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[aad4a7609f56511b]::ty::context::TyCtxt, rustc_span[ecd98705281d56d4]::def_id::LocalDefId, &rustc_middle[aad4a7609f56511b]::ty::context::TypeckResults>
  29:     0x7f77a3532a66 - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::try_execute_query::<rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt, rustc_query_system[a591ad4c8c400a0c]::query::caches::DefaultCache<rustc_span[ecd98705281d56d4]::def_id::LocalDefId, &rustc_middle[aad4a7609f56511b]::ty::context::TypeckResults>>
  30:     0x7f77a3fefc61 - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::force_query::<rustc_query_impl[e6add8203dd53821]::queries::typeck, rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt>
  31:     0x7f77a3fe5a7e - rustc_query_impl[e6add8203dd53821]::query_callbacks::typeck::force_from_dep_node
  32:     0x7f77a397a1e1 - <rustc_middle[aad4a7609f56511b]::ty::context::TyCtxt as rustc_query_system[a591ad4c8c400a0c]::dep_graph::DepContext>::try_force_from_dep_node
  33:     0x7f77a34c37de - <rustc_query_system[a591ad4c8c400a0c]::dep_graph::graph::DepGraph<rustc_middle[aad4a7609f56511b]::dep_graph::dep_node::DepKind>>::try_mark_previous_green::<rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt>
  34:     0x7f77a3512bc9 - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::ensure_must_run::<rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt, rustc_span[ecd98705281d56d4]::def_id::LocalDefId, &rustc_middle[aad4a7609f56511b]::mir::query::UnsafetyCheckResult>
  35:     0x7f77a34fd92e - <rustc_query_impl[e6add8203dd53821]::Queries as rustc_middle[aad4a7609f56511b]::ty::query::QueryEngine>::typeck
  36:     0x7f77a3044e08 - <rustc_middle[aad4a7609f56511b]::hir::map::Map>::par_body_owners::<rustc_typeck[aa822bc0d0c95cda]::check::typeck_item_bodies::{closure#0}>
  37:     0x7f77a3d39b4c - rustc_typeck[aa822bc0d0c95cda]::check::typeck_item_bodies
  38:     0x7f77a3fa5264 - <rustc_query_system[a591ad4c8c400a0c]::dep_graph::graph::DepGraph<rustc_middle[aad4a7609f56511b]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[aad4a7609f56511b]::ty::context::TyCtxt, (), ()>
  39:     0x7f77a404f59a - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::try_execute_query::<rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt, rustc_query_system[a591ad4c8c400a0c]::query::caches::DefaultCache<(), ()>>
  40:     0x7f77a40768a1 - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::get_query::<rustc_query_impl[e6add8203dd53821]::queries::typeck_item_bodies, rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt>
  41:     0x7f77a3d6e233 - <rustc_session[84587541edc70f60]::session::Session>::time::<(), rustc_typeck[aa822bc0d0c95cda]::check_crate::{closure#7}>
  42:     0x7f77a3d43173 - rustc_typeck[aa822bc0d0c95cda]::check_crate
  43:     0x7f77a3af1e47 - rustc_interface[47d454462fe60f57]::passes::analysis
  44:     0x7f77a3fa1435 - <rustc_query_system[a591ad4c8c400a0c]::dep_graph::graph::DepGraph<rustc_middle[aad4a7609f56511b]::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle[aad4a7609f56511b]::ty::context::TyCtxt, (), core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  45:     0x7f77a4045631 - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::try_execute_query::<rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt, rustc_query_system[a591ad4c8c400a0c]::query::caches::DefaultCache<(), core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>>
  46:     0x7f77a408684e - rustc_query_system[a591ad4c8c400a0c]::query::plumbing::get_query::<rustc_query_impl[e6add8203dd53821]::queries::analysis, rustc_query_impl[e6add8203dd53821]::plumbing::QueryCtxt>
  47:     0x7f77a3ad2ce7 - <rustc_interface[47d454462fe60f57]::passes::QueryContext>::enter::<rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  48:     0x7f77a3abdde8 - <rustc_interface[47d454462fe60f57]::interface::Compiler>::enter::<rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}::{closure#2}, core[44a3ffd1a61ebe53]::result::Result<core[44a3ffd1a61ebe53]::option::Option<rustc_interface[47d454462fe60f57]::queries::Linker>, rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  49:     0x7f77a3ae611f - rustc_span[ecd98705281d56d4]::with_source_map::<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_interface[47d454462fe60f57]::interface::create_compiler_and_run<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#1}>
  50:     0x7f77a3ad1cc4 - rustc_interface[47d454462fe60f57]::interface::create_compiler_and_run::<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>
  51:     0x7f77a3abc332 - <scoped_tls[aaf4f2c814811d14]::ScopedKey<rustc_span[ecd98705281d56d4]::SessionGlobals>>::set::<rustc_interface[47d454462fe60f57]::interface::run_compiler<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  52:     0x7f77a3ad336f - std[a407a9638424a447]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[47d454462fe60f57]::util::run_in_thread_pool_with_globals<rustc_interface[47d454462fe60f57]::interface::run_compiler<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  53:     0x7f77a3ad34a9 - <<std[a407a9638424a447]::thread::Builder>::spawn_unchecked_<rustc_interface[47d454462fe60f57]::util::run_in_thread_pool_with_globals<rustc_interface[47d454462fe60f57]::interface::run_compiler<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>::{closure#1} as core[44a3ffd1a61ebe53]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  54:     0x7f77a129c3e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4c3dffc69477c539
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/alloc/src/boxed.rs:1866:9
  55:     0x7f77a129c3e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h15723c91dab076f8
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/alloc/src/boxed.rs:1866:9
  56:     0x7f77a129c3e3 - std::sys::unix::thread::Thread::new::thread_start::h6d2d622e645998de
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys/unix/thread.rs:108:17
  57:     0x7f77a11b1609 - start_thread
                               at /build/glibc-sMfBJT/glibc-2.31/nptl/pthread_create.c:477:8
  58:     0x7f77a10ca163 - clone
  59:                0x0 - <unknown>

error: internal compiler error: unexpected panic

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/issues/new?labels=C-bug%2C+I-ICE%2C+T-compiler&template=ice.md

note: rustc 1.62.0-nightly (30f386087 2022-05-05) running on x86_64-unknown-linux-gnu

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

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

query stack during panic:
#0 [typeck] type-checking `parse`
#1 [typeck_item_bodies] type-checking all item bodies
#2 [analysis] running analysis passes on this crate
end of query stack
error: internal compiler error: no warnings or errors encountered even though `delayed_good_path_bugs` issued

error: internal compiler error: trimmed_def_paths constructed
  |
  = note: delayed at    0: <rustc_errors::Handler>::delay_good_path_bug::<&str>
             1: rustc_middle::ty::print::pretty::trimmed_def_paths
             2: <rustc_middle::dep_graph::dep_node::DepKind as rustc_query_system::dep_graph::DepKind>::with_deps::<<rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task_impl<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>::{closure#0}, std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
             3: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>
             4: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::ArenaCache<(), std::collections::hash::map::HashMap<rustc_span::def_id::DefId, rustc_span::symbol::Symbol, core::hash::BuildHasherDefault<rustc_hash::FxHasher>>>>
             5: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::trimmed_def_paths, rustc_query_impl::plumbing::QueryCtxt>
             6: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
             7: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::default_print_def_path
             8: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::Printer>::print_def_path
             9: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
            10: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::comma_sep::<rustc_middle::ty::Ty, core::iter::adapters::copied::Copied<core::slice::iter::Iter<rustc_middle::ty::Ty>>>
            11: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_fn_sig
            12: <rustc_middle::ty::sty::FnSig as rustc_middle::ty::print::Print<rustc_middle::ty::print::pretty::FmtPrinter>>::print
            13: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::in_binder::<rustc_middle::ty::sty::FnSig>
            14: <rustc_middle::ty::print::pretty::FmtPrinter as rustc_middle::ty::print::pretty::PrettyPrinter>::pretty_print_type
            15: <rustc_middle::ty::Ty as core::fmt::Display>::fmt
            16: <rustc_infer::infer::InferCtxt>::ty_to_string
            17: <rustc_typeck::check::fn_ctxt::FnCtxt>::report_method_error
            18: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
            19: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_argument_types
            20: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
            21: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
            22: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_stmt
            23: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_block_with_expected
            24: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_kind
            25: <rustc_typeck::check::fn_ctxt::FnCtxt>::check_expr_with_expectation
            26: rustc_typeck::check::check::check_fn
            27: <rustc_infer::infer::InferCtxtBuilder>::enter::<&rustc_middle::ty::context::TypeckResults, <rustc_typeck::check::inherited::InheritedBuilder>::enter<rustc_typeck::check::typeck_with_fallback<rustc_typeck::check::typeck::{closure#0}>::{closure#1}, &rustc_middle::ty::context::TypeckResults>::{closure#0}>
            28: rustc_typeck::check::typeck
            29: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>
            30: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<rustc_span::def_id::LocalDefId, &rustc_middle::ty::context::TypeckResults>>
            31: rustc_query_system::query::plumbing::force_query::<rustc_query_impl::queries::typeck, rustc_query_impl::plumbing::QueryCtxt>
            32: rustc_query_impl::query_callbacks::typeck::force_from_dep_node
            33: <rustc_middle::ty::context::TyCtxt as rustc_query_system::dep_graph::DepContext>::try_force_from_dep_node
            34: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::try_mark_previous_green::<rustc_query_impl::plumbing::QueryCtxt>
            35: rustc_query_system::query::plumbing::ensure_must_run::<rustc_query_impl::plumbing::QueryCtxt, rustc_span::def_id::LocalDefId, &rustc_middle::mir::query::UnsafetyCheckResult>
            36: <rustc_query_impl::Queries as rustc_middle::ty::query::QueryEngine>::typeck
            37: <rustc_middle::hir::map::Map>::par_body_owners::<rustc_typeck::check::typeck_item_bodies::{closure#0}>
            38: rustc_typeck::check::typeck_item_bodies
            39: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), ()>
            40: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), ()>>
            41: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::typeck_item_bodies, rustc_query_impl::plumbing::QueryCtxt>
            42: <rustc_session::session::Session>::time::<(), rustc_typeck::check_crate::{closure#7}>
            43: rustc_typeck::check_crate
            44: rustc_interface::passes::analysis
            45: <rustc_query_system::dep_graph::graph::DepGraph<rustc_middle::dep_graph::dep_node::DepKind>>::with_task::<rustc_middle::ty::context::TyCtxt, (), core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            46: rustc_query_system::query::plumbing::try_execute_query::<rustc_query_impl::plumbing::QueryCtxt, rustc_query_system::query::caches::DefaultCache<(), core::result::Result<(), rustc_errors::ErrorGuaranteed>>>
            47: rustc_query_system::query::plumbing::get_query::<rustc_query_impl::queries::analysis, rustc_query_impl::plumbing::QueryCtxt>
            48: <rustc_interface::passes::QueryContext>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}::{closure#3}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            49: <rustc_interface::interface::Compiler>::enter::<rustc_driver::run_compiler::{closure#1}::{closure#2}, core::result::Result<core::option::Option<rustc_interface::queries::Linker>, rustc_errors::ErrorGuaranteed>>
            50: rustc_span::with_source_map::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_interface::interface::create_compiler_and_run<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#1}>
            51: rustc_interface::interface::create_compiler_and_run::<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>
            52: <scoped_tls::ScopedKey<rustc_span::SessionGlobals>>::set::<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            53: std::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>
            54: <<std::thread::Builder>::spawn_unchecked_<rustc_interface::util::run_in_thread_pool_with_globals<rustc_interface::interface::run_compiler<core::result::Result<(), rustc_errors::ErrorGuaranteed>, rustc_driver::run_compiler::{closure#1}>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#0}, core::result::Result<(), rustc_errors::ErrorGuaranteed>>::{closure#1} as core::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
            55: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/30f386087564243ab88a93c984c265290a31580b/library/alloc/src/boxed.rs:1866:9
            56: <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once
                       at /rustc/30f386087564243ab88a93c984c265290a31580b/library/alloc/src/boxed.rs:1866:9
            57: std::sys::unix::thread::Thread::new::thread_start
                       at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys/unix/thread.rs:108:17
            58: start_thread
                       at /build/glibc-sMfBJT/glibc-2.31/nptl/pthread_create.c:477:8
            59: clone
          

thread 'rustc' panicked at 'Box<dyn Any>', compiler/rustc_errors/src/lib.rs:1358:13
stack backtrace:
   0:     0x7f77a128efad - std::backtrace_rs::backtrace::libunwind::trace::h7991ec96ab4c54d4
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
   1:     0x7f77a128efad - std::backtrace_rs::backtrace::trace_unsynchronized::h18b7a321bd5fc0be
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
   2:     0x7f77a128efad - std::sys_common::backtrace::_print_fmt::h3ce334712315b3b3
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:66:5
   3:     0x7f77a128efad - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h9fe3cb3617616bb1
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:45:22
   4:     0x7f77a12eacec - core::fmt::write::h3467ff15bc25f01c
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/core/src/fmt/mod.rs:1194:17
   5:     0x7f77a12806a1 - std::io::Write::write_fmt::h27e7b97a23eeefb1
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/io/mod.rs:1655:15
   6:     0x7f77a1291cc5 - std::sys_common::backtrace::_print::h31df922f8c433d5d
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:48:5
   7:     0x7f77a1291cc5 - std::sys_common::backtrace::print::hbb7030c9dcb3d932
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys_common/backtrace.rs:35:9
   8:     0x7f77a1291cc5 - std::panicking::default_hook::{{closure}}::hfbd0333e3bf0a7f2
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:295:22
   9:     0x7f77a1291939 - std::panicking::default_hook::h3b718975ac1f8c21
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:314:9
  10:     0x7f77a1a54301 - rustc_driver[c9d212e03a1c949d]::DEFAULT_HOOK::{closure#0}::{closure#0}
  11:     0x7f77a1292496 - std::panicking::rust_panic_with_hook::h6a0399740ae00003
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/panicking.rs:702:17
  12:     0x7f77a2bc74f1 - std[a407a9638424a447]::panicking::begin_panic::<rustc_errors[a0d973d131a14c77]::ExplicitBug>::{closure#0}
  13:     0x7f77a2bc7406 - std[a407a9638424a447]::sys_common::backtrace::__rust_end_short_backtrace::<std[a407a9638424a447]::panicking::begin_panic<rustc_errors[a0d973d131a14c77]::ExplicitBug>::{closure#0}, !>
  14:     0x7f77a2bcb126 - std[a407a9638424a447]::panicking::begin_panic::<rustc_errors[a0d973d131a14c77]::ExplicitBug>
  15:     0x7f77a2bcf1c6 - std[a407a9638424a447]::panic::panic_any::<rustc_errors[a0d973d131a14c77]::ExplicitBug>
  16:     0x7f77a4389ab7 - <rustc_errors[a0d973d131a14c77]::HandlerInner as core[44a3ffd1a61ebe53]::ops::drop::Drop>::drop
  17:     0x7f77a3ae7608 - core[44a3ffd1a61ebe53]::ptr::drop_in_place::<rustc_session[84587541edc70f60]::parse::ParseSess>
  18:     0x7f77a3ae9f93 - <alloc[2132930d12e8f725]::rc::Rc<rustc_session[84587541edc70f60]::session::Session> as core[44a3ffd1a61ebe53]::ops::drop::Drop>::drop
  19:     0x7f77a3ae691d - core[44a3ffd1a61ebe53]::ptr::drop_in_place::<rustc_interface[47d454462fe60f57]::interface::Compiler>
  20:     0x7f77a3ae679f - rustc_span[ecd98705281d56d4]::with_source_map::<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_interface[47d454462fe60f57]::interface::create_compiler_and_run<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#1}>
  21:     0x7f77a3ad1cc4 - rustc_interface[47d454462fe60f57]::interface::create_compiler_and_run::<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>
  22:     0x7f77a3abc332 - <scoped_tls[aaf4f2c814811d14]::ScopedKey<rustc_span[ecd98705281d56d4]::SessionGlobals>>::set::<rustc_interface[47d454462fe60f57]::interface::run_compiler<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  23:     0x7f77a3ad336f - std[a407a9638424a447]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[47d454462fe60f57]::util::run_in_thread_pool_with_globals<rustc_interface[47d454462fe60f57]::interface::run_compiler<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>
  24:     0x7f77a3ad34a9 - <<std[a407a9638424a447]::thread::Builder>::spawn_unchecked_<rustc_interface[47d454462fe60f57]::util::run_in_thread_pool_with_globals<rustc_interface[47d454462fe60f57]::interface::run_compiler<core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>, rustc_driver[c9d212e03a1c949d]::run_compiler::{closure#1}>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>::{closure#0}, core[44a3ffd1a61ebe53]::result::Result<(), rustc_errors[a0d973d131a14c77]::ErrorGuaranteed>>::{closure#1} as core[44a3ffd1a61ebe53]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
  25:     0x7f77a129c3e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h4c3dffc69477c539
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/alloc/src/boxed.rs:1866:9
  26:     0x7f77a129c3e3 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h15723c91dab076f8
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/alloc/src/boxed.rs:1866:9
  27:     0x7f77a129c3e3 - std::sys::unix::thread::Thread::new::thread_start::h6d2d622e645998de
                               at /rustc/30f386087564243ab88a93c984c265290a31580b/library/std/src/sys/unix/thread.rs:108:17
  28:     0x7f77a11b1609 - start_thread
                               at /build/glibc-sMfBJT/glibc-2.31/nptl/pthread_create.c:477:8
  29:     0x7f77a10ca163 - clone
  30:                0x0 - <unknown>
@SephVelut SephVelut added C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels May 7, 2022
@JohnTitor
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Should be a duplicate of #96738.

@JohnTitor
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@SephVelut Could you try using the latest nightly?

@SephVelut
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@JohnTitor Looks fixed with compile error now on latest.

error[E0599]: no method named `unwrap` found for fn item `fn(Vec<u8>) -> Result<String, FromUtf8Error> {String::from_utf8}` in the current scope
  --> src/lib.rs:83:71
   |
83 |     let spec_name = (-uppercase_char * ident).map((String::from_utf8).unwrap());
   |                                                   ------------------- ^^^^^^ method not found in `fn(Vec<u8>) -> Result<String, FromUtf8Error> {String::from_utf8}`
   |                                                   |
   |                                                   this is a function, perhaps you wish to call it

For more information about this error, try `rustc --explain E0599`.
error: could not compile `configurator` due to previous error

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C-bug Category: This is a bug. I-ICE Issue: The compiler panicked, giving an Internal Compilation Error (ICE) ❄️ T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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