rust-lang · JonathanBrouwer · Jul 12, 2026 · Jul 12, 2026 · Jul 12, 2026 · Jul 12, 2026
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -52,7 +52,7 @@ jobs:
       run_type: ${{ steps.jobs.outputs.run_type }}
     steps:
       - name: Checkout the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
       - name: Test citool
         # Only test citool on the auto branch, to reduce latency of the calculate matrix job
         # on PR/try builds.
@@ -117,7 +117,7 @@ jobs:
         run: git config --global core.autocrlf false
 
       - name: checkout the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 2
 
@@ -315,7 +315,7 @@ jobs:
     environment: ${{ (github.repository == 'rust-lang/rust' && 'bors') || '' }}
     steps:
       - name: checkout the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           fetch-depth: 2
       # Publish the toolstate if an auto build succeeds (just before push to the default branch)

diff --git a/.github/workflows/dependencies.yml b/.github/workflows/dependencies.yml
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-24.04
     steps:
       - name: checkout the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           submodules: recursive
       - name: install the bootstrap toolchain
@@ -91,7 +91,7 @@ jobs:
       pull-requests: write
     steps:
       - name: checkout the source code
-        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
 
       - name: download Cargo.lock from update job
         uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1

diff --git a/.github/workflows/ghcr.yml b/.github/workflows/ghcr.yml
@@ -29,7 +29,7 @@ jobs:
       # Needed to write to the ghcr.io registry
       packages: write
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           persist-credentials: false
 

diff --git a/.github/workflows/post-merge.yml b/.github/workflows/post-merge.yml
@@ -15,7 +15,7 @@ jobs:
     permissions:
       pull-requests: write
     steps:
-      - uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
         with:
           # Make sure that we have enough commits to find the parent merge commit.
           # Since all merges should be through merge commits, fetching two commits

diff --git a/Cargo.lock b/Cargo.lock
@@ -871,7 +871,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "faf9468729b8cbcea668e36183cb69d317348c2e08e994829fb56ebfdfbaac34"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -887,9 +887,9 @@ dependencies = [
  "anstyle-svg",
  "build_helper",
  "camino",
+ "clap",
  "colored",
  "diff",
- "getopts",
  "glob",
  "home",
  "indexmap",
@@ -1284,7 +1284,7 @@ dependencies = [
  "libc",
  "option-ext",
  "redox_users",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1411,7 +1411,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -1724,12 +1724,6 @@ dependencies = [
  "foldhash 0.1.5",
 ]
 
-[[package]]
-name = "hashbrown"
-version = "0.16.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "841d1cc9bed7f9236f321df977030373f4a4163ae1a7dbfe1a51a2c1a51d9100"
-
 [[package]]
 name = "hashbrown"
 version = "0.17.0"
@@ -2105,7 +2099,7 @@ dependencies = [
  "libc",
  "mio",
  "postcard",
- "rand 0.9.2",
+ "rand 0.9.3",
  "rustc-hash 2.1.1",
  "serde_core",
  "tempfile",
@@ -2204,7 +2198,7 @@ dependencies = [
  "portable-atomic",
  "portable-atomic-util",
  "serde_core",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -2691,7 +2685,7 @@ version = "0.50.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7957b9740744892f114936ab4a57b3f487491bbeafaf8083688b16841a4240e5"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -3317,9 +3311,9 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.9.2"
+version = "0.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
+checksum = "7ec095654a25171c2124e9e3393a930bddbffdc939556c914957a4c3e0a87166"
 dependencies = [
  "rand_chacha",
  "rand_core 0.9.3",
@@ -3510,13 +3504,13 @@ dependencies = [
 
 [[package]]
 name = "rkyv"
-version = "0.8.15"
+version = "0.8.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a30e631b7f4a03dee9056b8ef6982e8ba371dd5bedb74d3ec86df4499132c70"
+checksum = "73389e0c99e664f919275ab5b5b0471391fe9a8de61e1dff9b1eaf56a90f16e3"
 dependencies = [
  "bytecheck",
  "bytes",
- "hashbrown 0.16.1",
+ "hashbrown 0.17.0",
  "indexmap",
  "munge",
  "ptr_meta",
@@ -3529,9 +3523,9 @@ dependencies = [
 
 [[package]]
 name = "rkyv_derive"
-version = "0.8.15"
+version = "0.8.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8100bb34c0a1d0f907143db3149e6b4eea3c33b9ee8b189720168e818303986f"
+checksum = "5d2ed0b54125315fb36bd021e82d314d1c126548f871634b483f46b31d13cac6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3636,7 +3630,7 @@ name = "rustc_abi"
 version = "0.0.0"
 dependencies = [
  "bitflags",
- "rand 0.9.2",
+ "rand 0.9.3",
  "rand_xoshiro",
  "rustc_data_structures",
  "rustc_error_messages",
@@ -4215,7 +4209,7 @@ dependencies = [
 name = "rustc_incremental"
 version = "0.0.0"
 dependencies = [
- "rand 0.9.2",
+ "rand 0.9.3",
  "rustc_data_structures",
  "rustc_errors",
  "rustc_fs_util",
@@ -4270,7 +4264,7 @@ dependencies = [
 name = "rustc_interface"
 version = "0.0.0"
 dependencies = [
- "rand 0.9.2",
+ "rand 0.9.3",
  "rustc_abi",
  "rustc_ast",
  "rustc_ast_lowering",
@@ -4859,7 +4853,7 @@ dependencies = [
  "crossbeam-deque",
  "crossbeam-utils",
  "libc",
- "rand 0.9.2",
+ "rand 0.9.3",
  "rand_xorshift",
  "scoped-tls",
  "smallvec",
@@ -5119,7 +5113,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5532,9 +5526,9 @@ dependencies = [
 
 [[package]]
 name = "tar"
-version = "0.4.45"
+version = "0.4.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22692a6476a21fa75fdfc11d452fda482af402c008cdbaf3476414e122040973"
+checksum = "3f6221d9a6003c78398e3b239969f352578258df48c8eb051caadae0015bc840"
 dependencies = [
  "filetime",
  "libc",
@@ -5551,7 +5545,7 @@ dependencies = [
  "getrandom 0.3.3",
  "once_cell",
  "rustix",
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5570,7 +5564,7 @@ version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d8c27177b12a6399ffc08b98f76f7c9a1f4fe9fc967c784c5a071fa8d93cf7e1"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]
@@ -5604,7 +5598,7 @@ version = "0.1.0"
 dependencies = [
  "indicatif",
  "num",
- "rand 0.9.2",
+ "rand 0.9.3",
  "rand_chacha",
  "rayon",
 ]
@@ -5877,9 +5871,9 @@ checksum = "d282ade6016312faf3e41e57ebbba0c073e4056dab1232ab1cb624199648f8ed"
 
 [[package]]
 name = "tracing"
-version = "0.1.41"
+version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
+checksum = "63e71662fa4b2a2c3a26f570f037eb95bb1f85397f3cd8076caed2f026a6d100"
 dependencies = [
  "pin-project-lite",
  "tracing-attributes",
@@ -5888,9 +5882,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.30"
+version = "0.1.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903"
+checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5899,9 +5893,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.34"
+version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678"
+checksum = "db97caf9d906fbde555dd62fa95ddba9eecfd14cb388e4f491a66d74cd5fb79a"
 dependencies = [
  "once_cell",
  "valuable",
@@ -5940,9 +5934,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.20"
+version = "0.3.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2054a14f5307d601f88daf0553e1cbf472acc4f2c51afab632431cdcd72124d5"
+checksum = "2f30143827ddab0d256fd843b7a66d164e9f271cfa0dde49142c5ca0ca291f1e"
 dependencies = [
  "matchers",
  "nu-ansi-term",
@@ -6548,7 +6542,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.61.2",
+ "windows-sys 0.59.0",
 ]
 
 [[package]]

diff --git a/compiler/rustc_ast_lowering/src/item.rs b/compiler/rustc_ast_lowering/src/item.rs
@@ -24,7 +24,7 @@ use super::diagnostics::{
 use super::stability::{enabled_names, gate_unstable_abi};
 use super::{
     FnDeclKind, GenericArgsMode, ImplTraitContext, ImplTraitPosition, LoweringContext, ParamMode,
-    RelaxedBoundForbiddenReason, RelaxedBoundPolicy, ResolverAstLoweringExt,
+    RelaxedBoundForbiddenReason, RelaxedBoundPolicy,
 };
 use crate::diagnostics::ConstComptimeFn;
 
@@ -1878,7 +1878,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
             .collect();
 
         // Introduce extra lifetimes if late resolution tells us to.
-        let extra_lifetimes = self.resolver.extra_lifetime_params(self.owner.id);
+        let extra_lifetimes = self.owner.extra_lifetime_params(self.owner.id);
         params.extend(extra_lifetimes.into_iter().map(|&(ident, node_id, kind)| {
             self.lifetime_res_to_generic_param(
                 ident,

diff --git a/compiler/rustc_ast_lowering/src/lib.rs b/compiler/rustc_ast_lowering/src/lib.rs
@@ -351,17 +351,6 @@ impl<'tcx> ResolverAstLowering<'tcx> {
         )
         .map(|fn_indexes| fn_indexes.iter().map(|(num, _)| *num).collect())
     }
-
-    /// Obtain the list of lifetimes parameters to add to an item.
-    ///
-    /// Extra lifetime parameters should only be added in places that can appear
-    /// as a `binder` in `LifetimeRes`.
-    ///
-    /// The extra lifetimes that appear from the parenthesized `Fn`-trait desugaring
-    /// should appear at the enclosing `PolyTraitRef`.
-    fn extra_lifetime_params(&self, id: NodeId) -> &[(Ident, NodeId, MissingLifetimeKind)] {
-        self.extra_lifetime_params_map.get(&id).map_or(&[], |v| &v[..])
-    }
 }
 
 /// How relaxed bounds `?Trait` should be treated.
@@ -1129,7 +1118,7 @@ impl<'hir> LoweringContext<'_, 'hir> {
     ) -> &'hir [hir::GenericParam<'hir>] {
         // Start by creating params for extra lifetimes params, as this creates the definitions
         // that may be referred to by the AST inside `generic_params`.
-        let extra_lifetimes = self.resolver.extra_lifetime_params(binder);
+        let extra_lifetimes = self.owner.extra_lifetime_params(binder);
         debug!(?extra_lifetimes);
         let extra_lifetimes: Vec<_> = extra_lifetimes
             .iter()

diff --git a/compiler/rustc_ast_passes/src/ast_validation.rs b/compiler/rustc_ast_passes/src/ast_validation.rs
@@ -1595,7 +1595,7 @@ impl Visitor<'_> for AstValidator<'_> {
                 }
                 self.check_type_no_bounds(bounds, "this context");
 
-                if self.features.lazy_type_alias() {
+                if self.features.checked_type_aliases() {
                     if let Err(err) = self.check_type_alias_where_clause_location(ty_alias) {
                         self.dcx().emit_err(err);
                     }

diff --git a/compiler/rustc_ast_passes/src/diagnostics.rs b/compiler/rustc_ast_passes/src/diagnostics.rs
@@ -743,7 +743,7 @@ pub(crate) struct FieldlessUnion {
 pub(crate) struct WhereClauseAfterTypeAlias {
     #[primary_span]
     pub span: Span,
-    #[help("add `#![feature(lazy_type_alias)]` to the crate attributes to enable")]
+    #[help("add `#![feature(checked_type_aliases)]` to the crate attributes to enable")]
     pub help: bool,
 }
 

diff --git a/compiler/rustc_borrowck/src/diagnostics/region_name.rs b/compiler/rustc_borrowck/src/diagnostics/region_name.rs
@@ -147,7 +147,7 @@ impl RegionName {
             )) => {
                 diag.span_label(
                     *span,
-                    format!("lifetime `{self}` appears in the type {type_name}"),
+                    format!("lifetime `{self}` appears in the type `{type_name}`"),
                 );
             }
             RegionNameSource::AnonRegionFromOutput(