ICE: type parameter Args/#1 (Args/1) out of range when substituting, substs=[dyn std::ops::FnOnce()]

[matthiaskrgr]

Summary

#![feature(unsized_fn_params)]

pub fn f0(_f: dyn FnOnce()) {}

fn main() {}

Version

rustc 1.65.0-nightly (1d37ed661 2022-09-09)
binary: rustc
commit-hash: 1d37ed661a6922e7a167609b8cd7eb31e972b19b
commit-date: 2022-09-09
host: x86_64-unknown-linux-gnu
release: 1.65.0-nightly
LLVM version: 15.0.0

Error output

Backtrace

error: internal compiler error: compiler/rustc_middle/src/ty/subst.rs:632:9: type parameter `Args/#1` (Args/1) out of range when substituting, substs=[dyn std::ops::FnOnce()]

thread 'rustc' panicked at 'Box<dyn Any>', /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/compiler/rustc_errors/src/lib.rs:1460:9
stack backtrace:
 0:     0x7fa6e3eb8eb0 - std::backtrace_rs::backtrace::libunwind::trace::h134b013ea56868ec
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
 1:     0x7fa6e3eb8eb0 - std::backtrace_rs::backtrace::trace_unsynchronized::h85519da7927ab55d
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
 2:     0x7fa6e3eb8eb0 - std::sys_common::backtrace::_print_fmt::hd53e324e4c5c4797
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/sys_common/backtrace.rs:66:5
 3:     0x7fa6e3eb8eb0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he7ebdae3b4539151
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/sys_common/backtrace.rs:45:22
 4:     0x7fa6e3f13efe - core::fmt::write::h533f83a763826dcd
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/core/src/fmt/mod.rs:1202:17
 5:     0x7fa6e3ea9795 - std::io::Write::write_fmt::hdf475e0edabf6618
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/io/mod.rs:1679:15
 6:     0x7fa6e3ebbb63 - std::sys_common::backtrace::_print::h18929d2d3a122c2e
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/sys_common/backtrace.rs:48:5
 7:     0x7fa6e3ebbb63 - std::sys_common::backtrace::print::heeac666312b0f106
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/sys_common/backtrace.rs:35:9
 8:     0x7fa6e3ebbb63 - std::panicking::default_hook::{{closure}}::h691c919edee7ee4f
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/panicking.rs:295:22
 9:     0x7fa6e3ebb84f - std::panicking::default_hook::h4d42a88885d5436b
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/panicking.rs:314:9
10:     0x55df55a68e0f - clippy_driver[ee8b7d7393a2ca50]::ICE_HOOK::{closure#0}::{closure#0}
11:     0x7fa6e3ebc39d - std::panicking::rust_panic_with_hook::h047e9ae9d3b70dff
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/panicking.rs:702:17
12:     0x7fa6e76e0b21 - std[d1a185ff54d98716]::panicking::begin_panic::<rustc_errors[623939cad04cb150]::ExplicitBug>::{closure#0}
13:     0x7fa6e76e01c6 - std[d1a185ff54d98716]::sys_common::backtrace::__rust_end_short_backtrace::<std[d1a185ff54d98716]::panicking::begin_panic<rustc_errors[623939cad04cb150]::ExplicitBug>::{closure#0}, !>
14:     0x7fa6e76e0166 - std[d1a185ff54d98716]::panicking::begin_panic::<rustc_errors[623939cad04cb150]::ExplicitBug>
15:     0x7fa6e76e0156 - std[d1a185ff54d98716]::panic::panic_any::<rustc_errors[623939cad04cb150]::ExplicitBug>
16:     0x7fa6e76dde0d - <rustc_errors[623939cad04cb150]::HandlerInner>::bug::<&alloc[b78997af7b72d6fd]::string::String>
17:     0x7fa6e76dd990 - <rustc_errors[623939cad04cb150]::Handler>::bug::<&alloc[b78997af7b72d6fd]::string::String>
18:     0x7fa6e77b91fd - rustc_middle[5ec0a2377659145d]::ty::context::tls::with_context_opt::<rustc_middle[5ec0a2377659145d]::ty::context::tls::with_opt<rustc_middle[5ec0a2377659145d]::util::bug::opt_span_bug_fmt<rustc_span[3ca79a2f950a640c]::span_encoding::Span>::{closure#0}, ()>::{closure#0}, ()>
19:     0x7fa6e77ba656 - rustc_middle[5ec0a2377659145d]::util::bug::opt_span_bug_fmt::<rustc_span[3ca79a2f950a640c]::span_encoding::Span>
20:     0x7fa6e50dfc43 - rustc_middle[5ec0a2377659145d]::util::bug::bug_fmt
21:     0x7fa6e77ad762 - <rustc_middle[5ec0a2377659145d]::ty::subst::SubstFolder>::type_param_out_of_range
22:     0x7fa6e5061c93 - <rustc_middle[5ec0a2377659145d]::ty::subst::SubstFolder as rustc_middle[5ec0a2377659145d]::ty::fold::FallibleTypeFolder>::try_fold_ty
23:     0x7fa6e505ef67 - <&rustc_middle[5ec0a2377659145d]::ty::list::List<rustc_middle[5ec0a2377659145d]::ty::subst::GenericArg> as rustc_middle[5ec0a2377659145d]::ty::fold::TypeFoldable>::try_fold_with::<rustc_middle[5ec0a2377659145d]::ty::subst::SubstFolder>
24:     0x7fa6e50584cf - <rustc_middle[5ec0a2377659145d]::ty::Ty as rustc_middle[5ec0a2377659145d]::ty::fold::TypeSuperFoldable>::super_fold_with::<rustc_middle[5ec0a2377659145d]::ty::subst::SubstFolder>
25:     0x7fa6e510ad25 - <rustc_middle[5ec0a2377659145d]::ty::PredicateKind as rustc_middle[5ec0a2377659145d]::ty::fold::TypeFoldable>::try_fold_with::<rustc_middle[5ec0a2377659145d]::ty::subst::SubstFolder>
26:     0x7fa6e50d56cd - <rustc_trait_selection[6aa409e95a4f5afb]::traits::select::SelectionContext>::confirm_candidate
27:     0x7fa6e5d50537 - <rustc_trait_selection[6aa409e95a4f5afb]::traits::select::SelectionContext>::evaluate_stack
28:     0x7fa6e5966c28 - <rustc_trait_selection[6aa409e95a4f5afb]::traits::select::SelectionContext>::evaluate_predicate_recursively
29:     0x7fa6e59661c1 - <rustc_trait_selection[6aa409e95a4f5afb]::traits::select::SelectionContext>::evaluate_root_obligation
30:     0x7fa6e5964c3e - <rustc_infer[28b58e7125d8d26c]::infer::InferCtxtBuilder>::enter_with_canonical::<rustc_middle[5ec0a2377659145d]::ty::ParamEnvAnd<rustc_middle[5ec0a2377659145d]::ty::Predicate>, core[7554d75f727e5dc5]::result::Result<rustc_middle[5ec0a2377659145d]::traits::select::EvaluationResult, rustc_middle[5ec0a2377659145d]::traits::select::OverflowError>, rustc_traits[13355785cd36d93a]::evaluate_obligation::evaluate_obligation::{closure#0}>
31:     0x7fa6e59644d3 - rustc_traits[13355785cd36d93a]::evaluate_obligation::evaluate_obligation
32:     0x7fa6e5c195a6 - rustc_query_system[bca4d9faa69393e7]::query::plumbing::get_query::<rustc_query_impl[856212b54321fa84]::queries::evaluate_obligation, rustc_query_impl[856212b54321fa84]::plumbing::QueryCtxt>
33:     0x7fa6e5c19165 - <rustc_query_impl[856212b54321fa84]::Queries as rustc_middle[5ec0a2377659145d]::ty::query::QueryEngine>::evaluate_obligation
34:     0x7fa6e755ad92 - <rustc_infer[28b58e7125d8d26c]::infer::InferCtxt as rustc_trait_selection[6aa409e95a4f5afb]::traits::query::evaluate_obligation::InferCtxtExt>::evaluate_obligation
35:     0x7fa6e75386ea - <rustc_infer[28b58e7125d8d26c]::infer::InferCtxt as rustc_trait_selection[6aa409e95a4f5afb]::infer::InferCtxtExt>::type_implements_trait
36:     0x55df55ef25df - <rustc_infer[28b58e7125d8d26c]::infer::InferCtxtBuilder>::enter::<bool, clippy_utils[ed7658523a72f593]::ty::implements_trait_with_env::{closure#0}>
37:     0x55df55eed0b6 - clippy_utils[ed7658523a72f593]::ty::implements_trait_with_env
38:     0x55df55eecff3 - clippy_utils[ed7658523a72f593]::ty::implements_trait
39:     0x55df55d03914 - <clippy_lints[c505adde0e8b39db]::needless_pass_by_value::NeedlessPassByValue as rustc_lint[972eafb56d0a6d8b]::passes::LateLintPass>::check_fn
40:     0x7fa6e751325f - <rustc_lint[972eafb56d0a6d8b]::late::LateLintPassObjects as rustc_lint[972eafb56d0a6d8b]::passes::LateLintPass>::check_fn
41:     0x7fa6e67eeb5c - <rustc_lint[972eafb56d0a6d8b]::late::LateContextAndPass<rustc_lint[972eafb56d0a6d8b]::late::LateLintPassObjects> as rustc_hir[4d2bdebed2f47bbb]::intravisit::Visitor>::visit_fn
42:     0x7fa6e67f14ad - rustc_hir[4d2bdebed2f47bbb]::intravisit::walk_item::<rustc_lint[972eafb56d0a6d8b]::late::LateContextAndPass<rustc_lint[972eafb56d0a6d8b]::late::LateLintPassObjects>>
43:     0x7fa6e67ef44e - <rustc_lint[972eafb56d0a6d8b]::late::LateContextAndPass<rustc_lint[972eafb56d0a6d8b]::late::LateLintPassObjects> as rustc_hir[4d2bdebed2f47bbb]::intravisit::Visitor>::visit_nested_item
44:     0x7fa6e67f0d97 - rustc_hir[4d2bdebed2f47bbb]::intravisit::walk_mod::<rustc_lint[972eafb56d0a6d8b]::late::LateContextAndPass<rustc_lint[972eafb56d0a6d8b]::late::LateLintPassObjects>>
45:     0x7fa6e67ee413 - rustc_lint[972eafb56d0a6d8b]::late::late_lint_pass_crate::<rustc_lint[972eafb56d0a6d8b]::late::LateLintPassObjects>
46:     0x7fa6e5a7c101 - rustc_lint[972eafb56d0a6d8b]::late::late_lint_crate::<rustc_lint[972eafb56d0a6d8b]::BuiltinCombinedLateLintPass>
47:     0x7fa6e5a7a6b6 - <rustc_session[79f725fc979de867]::session::Session>::time::<(), rustc_lint[972eafb56d0a6d8b]::late::check_crate<rustc_lint[972eafb56d0a6d8b]::BuiltinCombinedLateLintPass, rustc_interface[b8431be2dc9777a]::passes::analysis::{closure#5}::{closure#1}::{closure#2}::{closure#0}::{closure#0}>::{closure#0}::{closure#0}>
48:     0x7fa6e5a7a5b9 - <rustc_session[79f725fc979de867]::session::Session>::time::<(), rustc_interface[b8431be2dc9777a]::passes::analysis::{closure#5}::{closure#1}::{closure#2}::{closure#0}>
49:     0x7fa6e5a7a3af - <core[7554d75f727e5dc5]::panic::unwind_safe::AssertUnwindSafe<rustc_interface[b8431be2dc9777a]::passes::analysis::{closure#5}::{closure#1}> as core[7554d75f727e5dc5]::ops::function::FnOnce<()>>::call_once
50:     0x7fa6e5a7997a - <rustc_session[79f725fc979de867]::session::Session>::time::<(), rustc_interface[b8431be2dc9777a]::passes::analysis::{closure#5}>
51:     0x7fa6e5a75a9c - rustc_interface[b8431be2dc9777a]::passes::analysis
52:     0x7fa6e65078dd - rustc_query_system[bca4d9faa69393e7]::query::plumbing::try_execute_query::<rustc_query_impl[856212b54321fa84]::plumbing::QueryCtxt, rustc_query_system[bca4d9faa69393e7]::query::caches::DefaultCache<(), core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>>
53:     0x7fa6e65075fc - rustc_query_system[bca4d9faa69393e7]::query::plumbing::get_query::<rustc_query_impl[856212b54321fa84]::queries::analysis, rustc_query_impl[856212b54321fa84]::plumbing::QueryCtxt>
54:     0x7fa6e54f92b7 - <rustc_interface[b8431be2dc9777a]::passes::QueryContext>::enter::<rustc_driver[d98f0e6bb6d3ec36]::run_compiler::{closure#1}::{closure#2}::{closure#3}, core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>
55:     0x7fa6e54eccec - rustc_interface[b8431be2dc9777a]::interface::create_compiler_and_run::<core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>, rustc_driver[d98f0e6bb6d3ec36]::run_compiler::{closure#1}>
56:     0x7fa6e54eb631 - <scoped_tls[a530c759821a22c4]::ScopedKey<rustc_span[3ca79a2f950a640c]::SessionGlobals>>::set::<rustc_interface[b8431be2dc9777a]::interface::run_compiler<core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>, rustc_driver[d98f0e6bb6d3ec36]::run_compiler::{closure#1}>::{closure#0}, core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>
57:     0x7fa6e54eb31f - std[d1a185ff54d98716]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[b8431be2dc9777a]::util::run_in_thread_pool_with_globals<rustc_interface[b8431be2dc9777a]::interface::run_compiler<core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>, rustc_driver[d98f0e6bb6d3ec36]::run_compiler::{closure#1}>::{closure#0}, core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>::{closure#0}, core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>
58:     0x7fa6e65955c0 - <<std[d1a185ff54d98716]::thread::Builder>::spawn_unchecked_<rustc_interface[b8431be2dc9777a]::util::run_in_thread_pool_with_globals<rustc_interface[b8431be2dc9777a]::interface::run_compiler<core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>, rustc_driver[d98f0e6bb6d3ec36]::run_compiler::{closure#1}>::{closure#0}, core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>::{closure#0}, core[7554d75f727e5dc5]::result::Result<(), rustc_errors[623939cad04cb150]::ErrorGuaranteed>>::{closure#1} as core[7554d75f727e5dc5]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
59:     0x7fa6e3ec6173 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hddcbc9655423aa50
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/alloc/src/boxed.rs:1940:9
60:     0x7fa6e3ec6173 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h074e83f188f31ba5
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/alloc/src/boxed.rs:1940:9
61:     0x7fa6e3ec6173 - std::sys::unix::thread::Thread::new::thread_start::h7d9ec4c6a6f5322e
                             at /rustc/1d37ed661a6922e7a167609b8cd7eb31e972b19b/library/std/src/sys/unix/thread.rs:108:17
62:     0x7fa6e3b2078d - <unknown>
63:     0x7fa6e3ba18e4 - clone
64:                0x0 - <unknown>

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

note: we would appreciate a bug report: https://github.com/rust-lang/rust-clippy/issues/new

note: Clippy version: clippy 0.1.65 (1d37ed6 2022-09-09)

query stack during panic:
#0 [evaluate_obligation] evaluating trait selection obligation `dyn core::ops::function::FnOnce(): core::ops::function::FnOnce`
#1 [analysis] running analysis passes on this crate
end of query stack
error: aborting due to previous error