Rustup (#16217)

r? @ghost

changelog: none

Author: flip1995

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy"
-version = "0.1.93"
+version = "0.1.94"
 description = "A bunch of helpful lints to avoid common pitfalls in Rust"
 repository = "https://github.com/rust-lang/rust-clippy"
 readme = "README.md"

clippy_config/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy_config"
-version = "0.1.93"
+version = "0.1.94"
 edition = "2024"
 publish = false
 

clippy_lints/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy_lints"
-version = "0.1.93"
+version = "0.1.94"
 description = "A bunch of helpful lints to avoid common pitfalls in Rust"
 repository = "https://github.com/rust-lang/rust-clippy"
 readme = "README.md"

clippy_lints/src/lib.rs

@@ -1,4 +1,4 @@
-#![feature(array_windows)]
+#![cfg_attr(bootstrap, feature(array_windows))]
 #![feature(box_patterns)]
 #![feature(macro_metavar_expr_concat)]
 #![feature(f128)]

clippy_lints/src/manual_non_exhaustive.rs

@@ -92,8 +92,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustive {
                     (matches!(v.data, VariantData::Unit(_, _)) && is_doc_hidden(cx.tcx.hir_attrs(v.hir_id)))
                         .then_some((v.def_id, v.span))
                 });
-                // FIXME: rewrite in terms of `#![feature(exact_length_collection)]`. See: #149266
-                if let Ok((id, span)) = Itertools::exactly_one(iter)
+                if let Ok((id, span)) = iter.exactly_one()
                     && !find_attr!(cx.tcx.hir_attrs(item.hir_id()), AttributeKind::NonExhaustive(..))
                 {
                     self.potential_enums.push((item.owner_id.def_id, id, item.span, span));
@@ -105,8 +104,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualNonExhaustive {
                     .iter()
                     .filter(|field| !cx.effective_visibilities.is_exported(field.def_id));
                 if fields.len() > 1
-                    // FIXME: rewrite in terms of `#![feature(exact_length_collection)]`. See: #149266
-                    && let Ok(field) = Itertools::exactly_one(private_fields)
+                    && let Ok(field) = private_fields.exactly_one()
                     && let TyKind::Tup([]) = field.ty.kind
                 {
                     span_lint_and_then(

clippy_lints/src/suspicious_operation_groupings.rs

@@ -545,7 +545,7 @@ fn ident_difference_expr_with_base_location(
         | (Field(_, _), Field(_, _))
         | (AssignOp(_, _, _), AssignOp(_, _, _))
         | (Assign(_, _, _), Assign(_, _, _))
-        | (TryBlock(_), TryBlock(_))
+        | (TryBlock(_, _), TryBlock(_, _))
         | (Await(_, _), Await(_, _))
         | (Gen(_, _, _, _), Gen(_, _, _, _))
         | (Block(_, _), Block(_, _))

clippy_utils/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "clippy_utils"
-version = "0.1.93"
+version = "0.1.94"
 edition = "2024"
 description = "Helpful tools for writing lints, provided as they are used in Clippy"
 repository = "https://github.com/rust-lang/rust-clippy"
@@ -16,6 +16,10 @@ itertools = "0.12"
 rustc_apfloat = "0.2.0"
 serde = { version = "1.0", features = ["derive"] }
 
+[lints.rust.unexpected_cfgs]
+level = "warn"
+check-cfg = ['cfg(bootstrap)']
+
 [package.metadata.rust-analyzer]
 # This crate uses #[feature(rustc_private)]
 rustc_private = true

clippy_utils/README.md

@@ -8,7 +8,7 @@ This crate is only guaranteed to build with this `nightly` toolchain:
 
 <!-- begin autogenerated nightly -->
 ```
-nightly-2025-11-28
+nightly-2025-12-11
 ```
 <!-- end autogenerated nightly -->
 

clippy_utils/src/ast_utils/mod.rs

@@ -199,7 +199,7 @@ pub fn eq_expr(l: &Expr, r: &Expr) -> bool {
         ) => eq_label(ll.as_ref(), rl.as_ref()) && eq_pat(lp, rp) && eq_expr(li, ri) && eq_block(lt, rt) && lk == rk,
         (Loop(lt, ll, _), Loop(rt, rl, _)) => eq_label(ll.as_ref(), rl.as_ref()) && eq_block(lt, rt),
         (Block(lb, ll), Block(rb, rl)) => eq_label(ll.as_ref(), rl.as_ref()) && eq_block(lb, rb),
-        (TryBlock(l), TryBlock(r)) => eq_block(l, r),
+        (TryBlock(lb, lt), TryBlock(rb, rt)) => eq_block(lb, rb) && both(lt.as_deref(), rt.as_deref(), eq_ty),
         (Yield(l), Yield(r)) => eq_expr_opt(l.expr().map(Box::as_ref), r.expr().map(Box::as_ref)) && l.same_kind(r),
         (Ret(l), Ret(r)) => eq_expr_opt(l.as_deref(), r.as_deref()),
         (Break(ll, le), Break(rl, re)) => {

clippy_utils/src/lib.rs

@@ -5,7 +5,7 @@
 #![feature(rustc_private)]
 #![feature(assert_matches)]
 #![feature(unwrap_infallible)]
-#![feature(array_windows)]
+#![cfg_attr(bootstrap, feature(array_windows))]
 #![recursion_limit = "512"]
 #![allow(
     clippy::missing_errors_doc,