ICE: ParseFloatError { kind: Invalid }

[matthiaskrgr]

Summary

code from ./src/tools/miri/tests/pass/intrinsics-math.rs

pub fn main() {
    assert_eq!(3.3_f32.round(), 3.0);
    assert_eq!(3.3_f64.round(), 3.0);
}

Version

clippy 0.1.66 (83356b7 2022-11-17)

Error output

Backtrace

thread '<unnamed>' panicked at 'called `Result::unwrap()` on an `Err` value: ParseFloatError { kind: Invalid }', src/tools/clippy/clippy_lints/src/unused_rounding.rs:38:62
stack backtrace:
 0:     0x7fab12966680 - std::backtrace_rs::backtrace::libunwind::trace::h80067f9e5e462c57
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5
 1:     0x7fab12966680 - std::backtrace_rs::backtrace::trace_unsynchronized::h40455f36f585e1de
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
 2:     0x7fab12966680 - std::sys_common::backtrace::_print_fmt::hb1c9edae09f00232
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/sys_common/backtrace.rs:65:5
 3:     0x7fab12966680 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf3ef817631c01884
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/sys_common/backtrace.rs:44:22
 4:     0x7fab129c8aae - core::fmt::write::h4e81cb2dc7449b8f
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/core/src/fmt/mod.rs:1208:17
 5:     0x7fab12956b05 - std::io::Write::write_fmt::h8a37cf68e7b3c906
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/io/mod.rs:1682:15
 6:     0x7fab12966445 - std::sys_common::backtrace::_print::h7252eab3e3b5c2f2
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/sys_common/backtrace.rs:47:5
 7:     0x7fab12966445 - std::sys_common::backtrace::print::he67183be70800c06
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/sys_common/backtrace.rs:34:9
 8:     0x7fab1296914f - std::panicking::default_hook::{{closure}}::h8849bf9173ca6067
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/panicking.rs:267:22
 9:     0x7fab12968e8a - std::panicking::default_hook::habb823efd562a1fb
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/panicking.rs:286:9
10:     0x55e93ce81d10 - clippy_driver[36b432ccc5841583]::ICE_HOOK::{closure#0}::{closure#0}
11:     0x7fab1296997d - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h3a50dd1e3461bb69
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/alloc/src/boxed.rs:2032:9
12:     0x7fab1296997d - std::panicking::rust_panic_with_hook::h507de1faf3e4c842
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/panicking.rs:692:13
13:     0x7fab129696f7 - std::panicking::begin_panic_handler::{{closure}}::h80ca552d9feb33be
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/panicking.rs:579:13
14:     0x7fab12966b2c - std::sys_common::backtrace::__rust_end_short_backtrace::h16017cbf5dd63648
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/sys_common/backtrace.rs:137:18
15:     0x7fab12969412 - rust_begin_unwind
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/panicking.rs:575:5
16:     0x7fab129c5483 - core::panicking::panic_fmt::hc759821524e0d038
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/core/src/panicking.rs:65:14
17:     0x7fab129c59f3 - core::result::unwrap_failed::he68b20b3c4f14801
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/core/src/result.rs:1791:5
18:     0x55e93cfe3d27 - <clippy_lints[fb461f55621e30c6]::unused_rounding::UnusedRounding as rustc_lint[b8a63091fca87301]::passes::EarlyLintPass>::check_expr
19:     0x7fab15eb39f4 - <rustc_lint[b8a63091fca87301]::late::LateLintPassObjects as rustc_lint[b8a63091fca87301]::passes::LateLintPass>::check_arm
20:     0x7fab15e53b0a - <rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects> as rustc_ast[7c93c8ddce180735]::visit::Visitor>::visit_expr
21:     0x7fab15e62779 - rustc_ast[7c93c8ddce180735]::visit::walk_expr::<rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>>
22:     0x7fab15e53b15 - <rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects> as rustc_ast[7c93c8ddce180735]::visit::Visitor>::visit_expr
23:     0x7fab15e6283d - rustc_ast[7c93c8ddce180735]::visit::walk_expr::<rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>>
24:     0x7fab15e53b15 - <rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects> as rustc_ast[7c93c8ddce180735]::visit::Visitor>::visit_expr
25:     0x7fab15e62858 - rustc_ast[7c93c8ddce180735]::visit::walk_expr::<rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>>
26:     0x7fab15e53b15 - <rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects> as rustc_ast[7c93c8ddce180735]::visit::Visitor>::visit_expr
27:     0x7fab15e60574 - rustc_ast[7c93c8ddce180735]::visit::walk_block::<rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>>
28:     0x7fab15e54530 - <rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects> as rustc_ast[7c93c8ddce180735]::visit::Visitor>::visit_fn
29:     0x7fab15e62ca7 - rustc_ast[7c93c8ddce180735]::visit::walk_item::<rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>>
30:     0x7fab15e53bb7 - <rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects> as rustc_ast[7c93c8ddce180735]::visit::Visitor>::visit_item
31:     0x7fab15e605c0 - rustc_ast[7c93c8ddce180735]::visit::walk_crate::<rustc_lint[b8a63091fca87301]::early::EarlyContextAndPass<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>>
32:     0x7fab15e2f566 - <&rustc_ast[7c93c8ddce180735]::ast::Crate as rustc_lint[b8a63091fca87301]::early::EarlyCheckNode>::check::<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects>
33:     0x7fab15e5328e - rustc_lint[b8a63091fca87301]::early::early_lint_node::<rustc_lint[b8a63091fca87301]::early::EarlyLintPassObjects, &rustc_ast[7c93c8ddce180735]::ast::Crate>
34:     0x7fab14e77041 - rustc_lint[b8a63091fca87301]::early::check_ast_node::<rustc_lint[b8a63091fca87301]::BuiltinCombinedEarlyLintPass, &rustc_ast[7c93c8ddce180735]::ast::Crate>
35:     0x7fab14e304e4 - <rustc_session[42ee8faa39c38fa7]::session::Session>::time::<(), rustc_interface[dd0935127c48c7f9]::passes::configure_and_expand::{closure#8}>
36:     0x7fab14e2f558 - rustc_interface[dd0935127c48c7f9]::passes::configure_and_expand
37:     0x7fab14e27155 - <rustc_interface[dd0935127c48c7f9]::queries::Queries>::expansion
38:     0x7fab14e24a9c - <rustc_interface[dd0935127c48c7f9]::interface::Compiler>::enter::<rustc_driver[1ccfc15b19053e69]::run_compiler::{closure#1}::{closure#2}, core[dce7472969a47397]::result::Result<core[dce7472969a47397]::option::Option<rustc_interface[dd0935127c48c7f9]::queries::Linker>, rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>>
39:     0x7fab14e1fbe2 - rustc_span[b4f976e64edbaa]::with_source_map::<core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>, rustc_interface[dd0935127c48c7f9]::interface::run_compiler<core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>, rustc_driver[1ccfc15b19053e69]::run_compiler::{closure#1}>::{closure#0}::{closure#1}>
40:     0x7fab14e1f6d9 - <scoped_tls[cfd1edf1847ccb4]::ScopedKey<rustc_span[b4f976e64edbaa]::SessionGlobals>>::set::<rustc_interface[dd0935127c48c7f9]::interface::run_compiler<core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>, rustc_driver[1ccfc15b19053e69]::run_compiler::{closure#1}>::{closure#0}, core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>>
41:     0x7fab14e1ece8 - std[d57be1c6faf16e1d]::sys_common::backtrace::__rust_begin_short_backtrace::<rustc_interface[dd0935127c48c7f9]::util::run_in_thread_pool_with_globals<rustc_interface[dd0935127c48c7f9]::interface::run_compiler<core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>, rustc_driver[1ccfc15b19053e69]::run_compiler::{closure#1}>::{closure#0}, core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>>
42:     0x7fab14e1ea0c - <<std[d57be1c6faf16e1d]::thread::Builder>::spawn_unchecked_<rustc_interface[dd0935127c48c7f9]::util::run_in_thread_pool_with_globals<rustc_interface[dd0935127c48c7f9]::interface::run_compiler<core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>, rustc_driver[1ccfc15b19053e69]::run_compiler::{closure#1}>::{closure#0}, core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>>::{closure#0}::{closure#0}, core[dce7472969a47397]::result::Result<(), rustc_errors[5744b8b77e19fb6f]::ErrorGuaranteed>>::{closure#1} as core[dce7472969a47397]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
43:     0x7fab168b6303 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h154516b04fb62ae5
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/alloc/src/boxed.rs:2000:9
44:     0x7fab168b6303 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb190b2908ef18471
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/alloc/src/boxed.rs:2000:9
45:     0x7fab168b6303 - std::sys::unix::thread::Thread::new::thread_start::hdc92672b86852da9
                             at /rustc/83356b78c4ff3e7d84e977aa6143793545967301/library/std/src/sys/unix/thread.rs:108:17
46:     0x7fab126218fd - <unknown>
47:     0x7fab126a3a60 - <unknown>
48:                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-clippy/issues/new

note: Clippy version: clippy 0.1.66 (83356b7 2022-11-17)

query stack during panic:
end of query stack