Build date: 2025-09-16T03:41:58.594Z
Build duration: 16.028s
Builder does-it-build commit: b213eec65d2e1b38
Compiling compiler_builtins v0.1.160 (/var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/compiler-builtins/compiler-builtins)
Compiling core v0.0.0 (/var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core)
thread 'rustc' (2716001) panicked at compiler/rustc_lint/src/types/improper_ctypes.rs:231:40:
$ident: found Item { owner_id: DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute), kind: Union(Transmute#0, Generics { params: [GenericParam { hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).1), def_id: DefId(0:2223 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::Src), name: Plain(Src#0), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:123:25: 123:28 (#0), pure_wrt_drop: false, kind: Type { default: None, synthetic: false }, colon_span: None, source: Generics }, GenericParam { hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).2), def_id: DefId(0:2224 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::Dst), name: Plain(Dst#0), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:123:30: 123:33 (#0), pure_wrt_drop: false, kind: Type { default: None, synthetic: false }, colon_span: None, source: Generics }], predicates: [], has_where_clause_predicates: false, where_clause_span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:123:34: 123:34 (#0), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:123:24: 123:34 (#0) }, Struct { fields: [FieldDef { span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:13: 124:35 (#0), vis_span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:13: 124:13 (#0), ident: src#0, hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).7), def_id: DefId(0:2225 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::src), ty: Ty { hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).3), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:18: 124:35 (#0), kind: Path(Resolved(None, Path { span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:18: 124:35 (#0), res: Def(Struct, DefId(0:27089 ~ core[4c57]::mem::manually_drop::ManuallyDrop)), segments: [PathSegment { ident: ManuallyDrop#0, hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).6), res: Def(Struct, DefId(0:27089 ~ core[4c57]::mem::manually_drop::ManuallyDrop)), args: Some(GenericArgs { args: [Type(Ty { hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).4), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:31: 124:34 (#0), kind: Path(Resolved(None, Path { span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:31: 124:34 (#0), res: Def(TyParam, DefId(0:2223 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::Src)), segments: [PathSegment { ident: Src#0, hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).5), res: Def(TyParam, DefId(0:2223 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::Src)), args: None, infer_args: false }] })) })], constraints: [], parenthesized: No, span_ext: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:124:30: 124:35 (#0) }), infer_args: false }] })) }, safety: Safe, default: None }, FieldDef { span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:13: 125:35 (#0), vis_span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:13: 125:13 (#0), ident: dst#0, hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).12), def_id: DefId(0:2226 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::dst), ty: Ty { hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).8), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:18: 125:35 (#0), kind: Path(Resolved(None, Path { span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:18: 125:35 (#0), res: Def(Struct, DefId(0:27089 ~ core[4c57]::mem::manually_drop::ManuallyDrop)), segments: [PathSegment { ident: ManuallyDrop#0, hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).11), res: Def(Struct, DefId(0:27089 ~ core[4c57]::mem::manually_drop::ManuallyDrop)), args: Some(GenericArgs { args: [Type(Ty { hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).9), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:31: 125:34 (#0), kind: Path(Resolved(None, Path { span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:31: 125:34 (#0), res: Def(TyParam, DefId(0:2224 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::Dst)), segments: [PathSegment { ident: Dst#0, hir_id: HirId(DefId(0:2222 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute).10), res: Def(TyParam, DefId(0:2224 ~ core[4c57]::mem::transmutability::TransmuteFrom::transmute::Transmute::Dst)), args: None, infer_args: false }] })) })], constraints: [], parenthesized: No, span_ext: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:125:30: 125:35 (#0) }), infer_args: false }] })) }, safety: Safe, default: None }], recovered: No }), span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:123:9: 126:10 (#0), vis_span: /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/mem/transmutability.rs:123:9: 123:9 (#0), has_delayed_lints: false }
stack backtrace:
0: 0x7fa1f744bdf3 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h830fbe15fbab381b
1: 0x7fa1f7c01b58 - core::fmt::write::hf661a9e75db120a3
2: 0x7fa1f7400d71 - std::io::Write::write_fmt::he76c5adbbdfd1600
3: 0x7fa1f7411d22 - std::sys::backtrace::BacktraceLock::print::hb87325f2dc6d4dfe
4: 0x7fa1f7417c69 - std::panicking::default_hook::{{closure}}::h5e01ba9de3335cc4
5: 0x7fa1f7417793 - std::panicking::default_hook::h47934e1f610fefc5
6: 0x7fa1f6408797 - std[c207121dba9f4102]::panicking::update_hook::<alloc[fbc11b1b12ed36cd]::boxed::Box<rustc_driver_impl[d9438a736c8997f5]::install_ice_hook::{closure#1}>>::{closure#0}
7: 0x7fa1f741808f - std::panicking::panic_with_hook::hfee0edaf348ac547
8: 0x7fa1f7417e4a - std::panicking::panic_handler::{{closure}}::h6c6964ed9ca982a7
9: 0x7fa1f7411e69 - std::sys::backtrace::__rust_end_short_backtrace::h232e83a0d4d66618
10: 0x7fa1f73f27ad - __rustc[b07eb43dc0c79c3a]::rust_begin_unwind
11: 0x7fa1f3ae71f0 - core::panicking::panic_fmt::he0731d8485d264bd
12: 0x7fa1f64e2111 - rustc_hir[73cd324757686b2b]::hir::expect_failed::<&rustc_hir[73cd324757686b2b]::hir::Item>
13: 0x7fa1f64e4032 - <rustc_hir[73cd324757686b2b]::hir::Item>::expect_struct
14: 0x7fa1f83adf9e - <rustc_lint[4533eb2e82b129b2]::BuiltinCombinedModuleLateLintPass as rustc_lint[4533eb2e82b129b2]::passes::LateLintPass>::check_item
15: 0x7fa1f83a1a85 - <rustc_lint[4533eb2e82b129b2]::late::LateContextAndPass<rustc_lint[4533eb2e82b129b2]::BuiltinCombinedModuleLateLintPass> as rustc_hir[73cd324757686b2b]::intravisit::Visitor>::visit_nested_item
16: 0x7fa1f8398786 - <rustc_lint[4533eb2e82b129b2]::late::LateContextAndPass<rustc_lint[4533eb2e82b129b2]::BuiltinCombinedModuleLateLintPass> as rustc_hir[73cd324757686b2b]::intravisit::Visitor>::visit_block
17: 0x7fa1f83a8135 - <rustc_lint[4533eb2e82b129b2]::late::LateContextAndPass<rustc_lint[4533eb2e82b129b2]::BuiltinCombinedModuleLateLintPass> as rustc_hir[73cd324757686b2b]::intravisit::Visitor>::visit_nested_body
18: 0x7fa1f83a2aaa - <rustc_lint[4533eb2e82b129b2]::late::LateContextAndPass<rustc_lint[4533eb2e82b129b2]::BuiltinCombinedModuleLateLintPass> as rustc_hir[73cd324757686b2b]::intravisit::Visitor>::visit_nested_item
19: 0x7fa1f839ff75 - rustc_lint[4533eb2e82b129b2]::lint_mod
20: 0x7fa1f839fb1b - rustc_query_impl[d2194a968fe82a14]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d2194a968fe82a14]::query_impl::lint_mod::dynamic_query::{closure#2}::{closure#0}, rustc_middle[ca952e998b261ea0]::query::erase::Erased<[u8; 0usize]>>
21: 0x7fa1f8be5854 - rustc_query_system[8aa47809e78cb5f0]::query::plumbing::try_execute_query::<rustc_query_impl[d2194a968fe82a14]::DynamicConfig<rustc_query_system[8aa47809e78cb5f0]::query::caches::DefaultCache<rustc_span[acd9e562735339de]::def_id::LocalModDefId, rustc_middle[ca952e998b261ea0]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[d2194a968fe82a14]::plumbing::QueryCtxt, false>
22: 0x7fa1f8be55db - rustc_query_impl[d2194a968fe82a14]::query_impl::lint_mod::get_query_non_incr::__rust_end_short_backtrace
23: 0x7fa1f8be680f - rustc_lint[4533eb2e82b129b2]::late::check_crate::{closure#1}
24: 0x7fa1f8be637a - rustc_lint[4533eb2e82b129b2]::late::check_crate
25: 0x7fa1f7e9cdc4 - rustc_interface[3a2987949cdbb48a]::passes::analysis
26: 0x7fa1f7e9c54b - rustc_query_impl[d2194a968fe82a14]::plumbing::__rust_begin_short_backtrace::<rustc_query_impl[d2194a968fe82a14]::query_impl::analysis::dynamic_query::{closure#2}::{closure#0}, rustc_middle[ca952e998b261ea0]::query::erase::Erased<[u8; 0usize]>>
27: 0x7fa1f8d3e208 - rustc_query_system[8aa47809e78cb5f0]::query::plumbing::try_execute_query::<rustc_query_impl[d2194a968fe82a14]::DynamicConfig<rustc_query_system[8aa47809e78cb5f0]::query::caches::SingleCache<rustc_middle[ca952e998b261ea0]::query::erase::Erased<[u8; 0usize]>>, false, false, false>, rustc_query_impl[d2194a968fe82a14]::plumbing::QueryCtxt, false>
28: 0x7fa1f8d3de3e - rustc_query_impl[d2194a968fe82a14]::query_impl::analysis::get_query_non_incr::__rust_end_short_backtrace
29: 0x7fa1f8f7d063 - rustc_interface[3a2987949cdbb48a]::passes::create_and_enter_global_ctxt::<core[c97f7de45acf1cc9]::option::Option<rustc_interface[3a2987949cdbb48a]::queries::Linker>, rustc_driver_impl[d9438a736c8997f5]::run_compiler::{closure#0}::{closure#2}>::{closure#2}::{closure#0}
30: 0x7fa1f8ec10fe - rustc_interface[3a2987949cdbb48a]::interface::run_compiler::<(), rustc_driver_impl[d9438a736c8997f5]::run_compiler::{closure#0}>::{closure#1}
31: 0x7fa1f8df5b38 - std[c207121dba9f4102]::sys::backtrace::__rust_begin_short_backtrace::<rustc_interface[3a2987949cdbb48a]::util::run_in_thread_with_globals<rustc_interface[3a2987949cdbb48a]::util::run_in_thread_pool_with_globals<rustc_interface[3a2987949cdbb48a]::interface::run_compiler<(), rustc_driver_impl[d9438a736c8997f5]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>
32: 0x7fa1f8df581c - <<std[c207121dba9f4102]::thread::Builder>::spawn_unchecked_<rustc_interface[3a2987949cdbb48a]::util::run_in_thread_with_globals<rustc_interface[3a2987949cdbb48a]::util::run_in_thread_pool_with_globals<rustc_interface[3a2987949cdbb48a]::interface::run_compiler<(), rustc_driver_impl[d9438a736c8997f5]::run_compiler::{closure#0}>::{closure#1}, ()>::{closure#0}, ()>::{closure#0}::{closure#0}, ()>::{closure#1} as core[c97f7de45acf1cc9]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
33: 0x7fa1f8dfbecd - std::sys::thread::unix::Thread::new::thread_start::h44739fe3c92fa2b0
34: 0x7fa1f24978ee - start_thread
35: 0x7fa1f251b9bc - __GI___clone3
36: 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: please attach the file at `/var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/rustc-ice-2025-09-16T03_41_45-2715998.txt` to your bug report
note: compiler flags: --crate-type lib -C opt-level=3 -C embed-bitcode=no -C strip=debuginfo -Z force-unstable-if-unmarked
note: some of the compiler flags provided by cargo are hidden
query stack during panic:
#0 [lint_mod] linting module `mem::transmutability`
#1 [analysis] running analysis passes on this crate
end of query stack
error: could not compile `core` (lib)
Caused by:
process didn't exit successfully: `/var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/bin/rustc --crate-name core --edition=2024 /var/lib/does-it-build/.rustup/toolchains/nightly-2025-09-16-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C opt-level=3 -C embed-bitcode=no --warn=unexpected_cfgs --check-cfg 'cfg(no_fp_fmt_parse)' --check-cfg 'cfg(feature, values(any()))' --check-cfg 'cfg(target_has_reliable_f16)' --check-cfg 'cfg(target_has_reliable_f16_math)' --check-cfg 'cfg(target_has_reliable_f128)' --check-cfg 'cfg(target_has_reliable_f128_math)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("debug_refcell", "optimize_for_size", "panic_immediate_abort"))' -C metadata=3b1b74e317fcb97d -C extra-filename=-fc524c2ce02a0747 --out-dir /tmp/.tmpYeMx3Q/target/powerpc64-ibm-aix/release/deps --target powerpc64-ibm-aix -C strip=debuginfo -Z force-unstable-if-unmarked -L dependency=/tmp/.tmpYeMx3Q/target/powerpc64-ibm-aix/release/deps -L dependency=/tmp/.tmpYeMx3Q/target/release/deps --cap-lints allow` (exit status: 101)