Clippy subtree update

Cargo.lock

@@ -216,7 +216,7 @@ dependencies = [
  "memchr",
  "serde",
  "serde_derive",
- "winnow 0.7.12",
+ "winnow 0.7.13",
 ]
 
 [[package]]
@@ -590,7 +590,7 @@ dependencies = [
  "serde_json",
  "tempfile",
  "termize",
- "toml 0.7.8",
+ "toml 0.9.7",
  "ui_test",
  "walkdir",
 ]
@@ -632,7 +632,7 @@ dependencies = [
  "regex-syntax 0.8.5",
  "semver",
  "serde",
- "toml 0.7.8",
+ "toml 0.9.7",
  "unicode-normalization",
  "unicode-script",
  "url",
@@ -1866,13 +1866,14 @@ checksum = "964de6e86d545b246d84badc0fef527924ace5134f30641c203ef52ba83f58d5"
 
 [[package]]
 name = "indexmap"
-version = "2.10.0"
+version = "2.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe4cd85333e22411419a0bcae1297d25e58c9443848b11dc6a86fefe8c78a661"
+checksum = "4b0f83760fb341a774ed326568e19f5a863af4a952def8c39f9ab92fd95b88e5"
 dependencies = [
  "equivalent",
  "hashbrown",
  "serde",
+ "serde_core",
 ]
 
 [[package]]
@@ -5003,10 +5004,11 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.219"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+checksum = "9a8e94ea7f378bd32cbbd37198a4a91436180c5bb472411e48b5ec2e2124ae9e"
 dependencies = [
+ "serde_core",
  "serde_derive",
 ]
 
@@ -5031,11 +5033,20 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_core"
+version = "1.0.228"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41d385c7d4ca58e59fc732af25c3983b67ac852c1a25000afe1175de458b67ad"
+dependencies = [
+ "serde_derive",
+]
+
 [[package]]
 name = "serde_derive"
-version = "1.0.219"
+version = "1.0.228"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5084,6 +5095,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "serde_spanned"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5417783452c2be558477e104686f7de5dae53dba813c28435e0e70f82d9b04ee"
+dependencies = [
+ "serde_core",
+]
+
 [[package]]
 name = "sha1"
 version = "0.10.6"
@@ -5545,8 +5565,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd79e69d3b627db300ff956027cc6c3798cef26d22526befdfcd12feeb6d2257"
 dependencies = [
  "serde",
- "serde_spanned",
- "toml_datetime",
+ "serde_spanned 0.6.9",
+ "toml_datetime 0.6.11",
  "toml_edit 0.19.15",
 ]
 
@@ -5558,11 +5578,26 @@ checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
 dependencies = [
  "indexmap",
  "serde",
- "serde_spanned",
- "toml_datetime",
+ "serde_spanned 0.6.9",
+ "toml_datetime 0.6.11",
  "toml_edit 0.22.27",
 ]
 
+[[package]]
+name = "toml"
+version = "0.9.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00e5e5d9bf2475ac9d4f0d9edab68cc573dc2fd644b0dba36b0c30a92dd9eaa0"
+dependencies = [
+ "indexmap",
+ "serde_core",
+ "serde_spanned 1.0.2",
+ "toml_datetime 0.7.2",
+ "toml_parser",
+ "toml_writer",
+ "winnow 0.7.13",
+]
+
 [[package]]
 name = "toml_datetime"
 version = "0.6.11"
@@ -5572,6 +5607,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "toml_datetime"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "32f1085dec27c2b6632b04c80b3bb1b4300d6495d1e129693bdda7d91e72eec1"
+dependencies = [
+ "serde_core",
+]
+
 [[package]]
 name = "toml_edit"
 version = "0.19.15"
@@ -5580,8 +5624,8 @@ checksum = "1b5bb770da30e5cbfde35a2d7b9b8a2c4b8ef89548a7a6aeab5c9a576e3e7421"
 dependencies = [
  "indexmap",
  "serde",
- "serde_spanned",
- "toml_datetime",
+ "serde_spanned 0.6.9",
+ "toml_datetime 0.6.11",
  "winnow 0.5.40",
 ]
 
@@ -5593,10 +5637,19 @@ checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
 dependencies = [
  "indexmap",
  "serde",
- "serde_spanned",
- "toml_datetime",
+ "serde_spanned 0.6.9",
+ "toml_datetime 0.6.11",
  "toml_write",
- "winnow 0.7.12",
+ "winnow 0.7.13",
+]
+
+[[package]]
+name = "toml_parser"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4cf893c33be71572e0e9aa6dd15e6677937abd686b066eac3f8cd3531688a627"
+dependencies = [
+ "winnow 0.7.13",
 ]
 
 [[package]]
@@ -5605,6 +5658,12 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
 
+[[package]]
+name = "toml_writer"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d163a63c116ce562a22cda521fcc4d79152e7aba014456fb5eb442f6d6a10109"
+
 [[package]]
 name = "tracing"
 version = "0.1.41"
@@ -6569,9 +6628,9 @@ dependencies = [
 
 [[package]]
 name = "winnow"
-version = "0.7.12"
+version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3edebf492c8125044983378ecb5766203ad3b4c2f7a922bd7dd207f6d443e95"
+checksum = "21a0236b59786fed61e2a80582dd500fe61f18b5dca67a4a067d0bc9039339cf"
 dependencies = [
  "memchr",
 ]

src/bootstrap/src/utils/proc_macro_deps.rs

@@ -43,6 +43,7 @@ pub static CRATES: &[&str] = &[
     "rustc-hash",
     "self_cell",
     "serde",
+    "serde_core",
     "serde_derive_internals",
     "sha2",
     "smallvec",

src/tools/clippy/.github/workflows/clippy_mq.yml

@@ -181,7 +181,7 @@ jobs:
 
     # Download
     - name: Download target dir
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
       with:
         name: binaries
         path: target/debug

src/tools/clippy/.github/workflows/lintcheck.yml

@@ -126,7 +126,7 @@ jobs:
         fail-on-cache-miss: true
 
     - name: Download JSON
-      uses: actions/download-artifact@v4
+      uses: actions/download-artifact@v5
 
     - name: Store PR number
       run: echo ${{ github.event.pull_request.number }} > pr.txt

src/tools/clippy/.github/workflows/lintcheck_summary.yml

@@ -27,15 +27,15 @@ jobs:
     if: ${{ github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: Download artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           name: summary
           path: untrusted
           run-id: ${{ github.event.workflow_run.id }}
           github-token: ${{ github.token }}
 
       - name: Format comment
-        uses: actions/github-script@v7
+        uses: actions/github-script@v8
         with:
           script: |
             const fs = require("fs");

src/tools/clippy/CHANGELOG.md

@@ -17,7 +17,7 @@ Current stable, released 2025-09-18
 Note: This Clippy release does not introduce many new lints and is focused entirely on bug fixes — see
 [#15086](https://github.com/rust-lang/rust-clippy/issues/15086) for more details.
 
-## New Lints
+### New Lints
 
 * Added [`manual_is_multiple_of`] to `complexity` [#14292](https://github.com/rust-lang/rust-clippy/pull/14292)
 * Added [`doc_broken_link`] to `pedantic` [#13696](https://github.com/rust-lang/rust-clippy/pull/13696)
@@ -6598,6 +6598,7 @@ Released 2018-09-13
 [`self_assignment`]: https://rust-lang.github.io/rust-clippy/master/index.html#self_assignment
 [`self_named_constructors`]: https://rust-lang.github.io/rust-clippy/master/index.html#self_named_constructors
 [`self_named_module_files`]: https://rust-lang.github.io/rust-clippy/master/index.html#self_named_module_files
+[`self_only_used_in_recursion`]: https://rust-lang.github.io/rust-clippy/master/index.html#self_only_used_in_recursion
 [`semicolon_if_nothing_returned`]: https://rust-lang.github.io/rust-clippy/master/index.html#semicolon_if_nothing_returned
 [`semicolon_inside_block`]: https://rust-lang.github.io/rust-clippy/master/index.html#semicolon_inside_block
 [`semicolon_outside_block`]: https://rust-lang.github.io/rust-clippy/master/index.html#semicolon_outside_block
@@ -6703,6 +6704,7 @@ Released 2018-09-13
 [`type_repetition_in_bounds`]: https://rust-lang.github.io/rust-clippy/master/index.html#type_repetition_in_bounds
 [`unbuffered_bytes`]: https://rust-lang.github.io/rust-clippy/master/index.html#unbuffered_bytes
 [`unchecked_duration_subtraction`]: https://rust-lang.github.io/rust-clippy/master/index.html#unchecked_duration_subtraction
+[`unchecked_time_subtraction`]: https://rust-lang.github.io/rust-clippy/master/index.html#unchecked_time_subtraction
 [`unconditional_recursion`]: https://rust-lang.github.io/rust-clippy/master/index.html#unconditional_recursion
 [`undocumented_unsafe_blocks`]: https://rust-lang.github.io/rust-clippy/master/index.html#undocumented_unsafe_blocks
 [`undropped_manually_drops`]: https://rust-lang.github.io/rust-clippy/master/index.html#undropped_manually_drops

src/tools/clippy/Cargo.toml

@@ -38,13 +38,18 @@ ui_test = "0.30.2"
 regex = "1.5.5"
 serde = { version = "1.0.145", features = ["derive"] }
 serde_json = "1.0.122"
-toml = "0.7.3"
 walkdir = "2.3"
 filetime = "0.2.9"
 itertools = "0.12"
 pulldown-cmark = { version = "0.11", default-features = false, features = ["html"] }
 askama = { version = "0.14", default-features = false, features = ["alloc", "config", "derive"] }
 
+[dev-dependencies.toml]
+version = "0.9.7"
+default-features = false
+# preserve_order keeps diagnostic output in file order
+features = ["parse", "preserve_order"]
+
 [build-dependencies]
 rustc_tools_util = { path = "rustc_tools_util", version = "0.4.2" }
 

src/tools/clippy/book/src/development/trait_checking.md

@@ -24,12 +24,11 @@ use rustc_span::symbol::sym;
 
 impl LateLintPass<'_> for CheckIteratorTraitLint {
     fn check_expr(&mut self, cx: &LateContext<'_>, expr: &Expr<'_>) {
-		let implements_iterator = cx.tcx.get_diagnostic_item(sym::Iterator).map_or(false, |id| {
-    		implements_trait(cx, cx.typeck_results().expr_ty(expr), id, &[])
-		});
-		if implements_iterator {
-			// [...]
-		}
+        let implements_iterator = (cx.tcx.get_diagnostic_item(sym::Iterator))
+            .is_some_and(|id| implements_trait(cx, cx.typeck_results().expr_ty(expr), id, &[]));
+        if implements_iterator {
+            // [...]
+        }
 
     }
 }

src/tools/clippy/book/src/lint_configuration.md

@@ -845,6 +845,7 @@ The minimum rust version that the project supports. Defaults to the `rust-versio
 * [`from_over_into`](https://rust-lang.github.io/rust-clippy/master/index.html#from_over_into)
 * [`if_then_some_else_none`](https://rust-lang.github.io/rust-clippy/master/index.html#if_then_some_else_none)
 * [`index_refutable_slice`](https://rust-lang.github.io/rust-clippy/master/index.html#index_refutable_slice)
+* [`inefficient_to_string`](https://rust-lang.github.io/rust-clippy/master/index.html#inefficient_to_string)
 * [`io_other_error`](https://rust-lang.github.io/rust-clippy/master/index.html#io_other_error)
 * [`iter_kv_map`](https://rust-lang.github.io/rust-clippy/master/index.html#iter_kv_map)
 * [`legacy_numeric_constants`](https://rust-lang.github.io/rust-clippy/master/index.html#legacy_numeric_constants)
@@ -883,6 +884,7 @@ The minimum rust version that the project supports. Defaults to the `rust-versio
 * [`needless_borrow`](https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow)
 * [`non_std_lazy_statics`](https://rust-lang.github.io/rust-clippy/master/index.html#non_std_lazy_statics)
 * [`option_as_ref_deref`](https://rust-lang.github.io/rust-clippy/master/index.html#option_as_ref_deref)
+* [`or_fun_call`](https://rust-lang.github.io/rust-clippy/master/index.html#or_fun_call)
 * [`ptr_as_ptr`](https://rust-lang.github.io/rust-clippy/master/index.html#ptr_as_ptr)
 * [`question_mark`](https://rust-lang.github.io/rust-clippy/master/index.html#question_mark)
 * [`redundant_field_names`](https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names)
@@ -894,9 +896,10 @@ The minimum rust version that the project supports. Defaults to the `rust-versio
 * [`transmute_ptr_to_ref`](https://rust-lang.github.io/rust-clippy/master/index.html#transmute_ptr_to_ref)
 * [`tuple_array_conversions`](https://rust-lang.github.io/rust-clippy/master/index.html#tuple_array_conversions)
 * [`type_repetition_in_bounds`](https://rust-lang.github.io/rust-clippy/master/index.html#type_repetition_in_bounds)
-* [`unchecked_duration_subtraction`](https://rust-lang.github.io/rust-clippy/master/index.html#unchecked_duration_subtraction)
+* [`unchecked_time_subtraction`](https://rust-lang.github.io/rust-clippy/master/index.html#unchecked_time_subtraction)
 * [`uninlined_format_args`](https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args)
 * [`unnecessary_lazy_evaluations`](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_lazy_evaluations)
+* [`unnecessary_unwrap`](https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_unwrap)
 * [`unnested_or_patterns`](https://rust-lang.github.io/rust-clippy/master/index.html#unnested_or_patterns)
 * [`unused_trait_names`](https://rust-lang.github.io/rust-clippy/master/index.html#unused_trait_names)
 * [`use_self`](https://rust-lang.github.io/rust-clippy/master/index.html#use_self)

src/tools/clippy/clippy_config/src/conf.rs

@@ -741,6 +741,7 @@ define_Conf! {
         from_over_into,
         if_then_some_else_none,
         index_refutable_slice,
+        inefficient_to_string,
         io_other_error,
         iter_kv_map,
         legacy_numeric_constants,
@@ -779,6 +780,7 @@ define_Conf! {
         needless_borrow,
         non_std_lazy_statics,
         option_as_ref_deref,
+        or_fun_call,
         ptr_as_ptr,
         question_mark,
         redundant_field_names,
@@ -790,9 +792,10 @@ define_Conf! {
         transmute_ptr_to_ref,
         tuple_array_conversions,
         type_repetition_in_bounds,
-        unchecked_duration_subtraction,
+        unchecked_time_subtraction,
         uninlined_format_args,
         unnecessary_lazy_evaluations,
+        unnecessary_unwrap,
         unnested_or_patterns,
         unused_trait_names,
         use_self,

src/tools/clippy/clippy_lints/Cargo.toml

@@ -18,12 +18,17 @@ itertools = "0.12"
 quine-mc_cluskey = "0.2"
 regex-syntax = "0.8"
 serde = { version = "1.0", features = ["derive"] }
-toml = "0.7.3"
 unicode-normalization = "0.1"
 unicode-script = { version = "0.5", default-features = false }
 semver = "1.0"
 url = "2.2"
 
+[dependencies.toml]
+version = "0.9.7"
+default-features = false
+# preserve_order keeps diagnostic output in file order
+features = ["parse", "preserve_order"]
+
 [dev-dependencies]
 walkdir = "2.3"