##[endgroup]
[TIMING:end] tool::ToolBuild { build_compiler: Compiler { stage: 0, host: x86_64-unknown-linux-gnu, forced_compiler: false }, target: x86_64-unknown-linux-gnu, tool: "tidy", path: "src/tools/tidy", mode: ToolBootstrap, source_type: InTree, extra_features: [], allow_features: "", cargo_args: [], artifact_kind: Binary } -- 9.892
[TIMING:end] tool::Tidy { compiler: Compiler { stage: 0, host: x86_64-unknown-linux-gnu, forced_compiler: false }, target: x86_64-unknown-linux-gnu } -- 0.000
fmt check
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:569:
 // SIMD-like struct detection and optimization with conservative safety constraints
 // Check if this is a user-defined struct like Vector<T, const N: usize>([T; N])
 // that should be treated as SIMD-friendly even without #[repr(simd)]
- if def.is_struct() 
- && def.variants().len() == 1 
+ if def.is_struct()
+ && def.variants().len() == 1
 && def.variant(FIRST_VARIANT).fields.len() == 1
- && def.did().is_local() // Only user crate types
+ && def.did().is_local()
+ // Only user crate types
 {
 // Safety: exclude system crates by checking crate name
 let crate_name = tcx.crate_name(def.did().krate);
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:579:
 let crate_name_str = crate_name.as_str();
- 
+
 // Exclude known system/compiler crates
- if !matches!(crate_name_str, 
- "core" | "std" | "alloc" | "proc_macro" | "test" | 
- "rustc_std_workspace_core" | "rustc_std_workspace_alloc" |
- "compiler_builtins" | "libc" | "unwind" | "panic_abort" | 
- "panic_unwind" | "adler2" | "object" | "memchr"
+ if !matches!(
+ crate_name_str,
+ "core"
+ | "std"
+ | "alloc"
+ | "proc_macro"
+ | "test"
+ | "rustc_std_workspace_core"
+ | "rustc_std_workspace_alloc"
+ | "compiler_builtins"
+ | "libc"
+ | "unwind"
+ | "panic_abort"
+ | "panic_unwind"
+ | "adler2"
+ | "object"
+ | "memchr"
 ) {
 let field_ty = def.variant(FIRST_VARIANT).fields[FieldIdx::ZERO].ty(tcx, args);
- 
+
 // Check if the single field is an array of SIMD-friendly types
 if let ty::Array(element_ty, array_len) = field_ty.kind() {
 if is_simd_friendly_element_type(*element_ty) {
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:593:
- if let Some(len) = extract_const_value(cx, ty, *array_len)?
- .try_to_target_usize(tcx) 
+ if let Some(len) =
+ extract_const_value(cx, ty, *array_len)?.try_to_target_usize(tcx)
 {
 // Common SIMD sizes: 4, 8, 16 (conservative range)
 if matches!(len, 4 | 8 | 16) {
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:598:
 // REQUIRE explicit alignment hint - this is the key safety measure
- let has_simd_alignment = def.repr().align
- .map_or(false, |align| {
+ let has_simd_alignment =
+ def.repr().align.map_or(false, |align| {
 let align_bytes = align.bytes();
 // Must have 16+ byte alignment to suggest SIMD intent
 align_bytes >= 16 && align_bytes.is_power_of_two()
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:604:
 });
- 
+
 // Only apply if user explicitly requested SIMD-like alignment
 if has_simd_alignment {
 let e_ly = cx.layout_of(*element_ty)?;
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:609:
- return Ok(map_layout(cx.calc.simd_type(e_ly, len, false))?);
+ return Ok(map_layout(
+ cx.calc.simd_type(e_ly, len, false),
+ )?);
 }
 }
 }
Diff in /checkout/compiler/rustc_ty_utils/src/layout.rs:614:
 }
---
 // Floating-point types - most common SIMD use case
 ty::Float(_) => true,
- // Integer types - common for SIMD 
+ // Integer types - common for SIMD
 ty::Int(_) | ty::Uint(_) => true,
 // Bool can be vectorized in some contexts
 ty::Bool => true,
fmt: checked 6344 files
Bootstrap failed while executing `test --stage 0 src/tools/tidy tidyselftest --extra-checks=py,cpp,js,spellcheck`
Build completed unsuccessfully in 0:00:45
 local time: Sun Aug 31 04:11:39 UTC 2025