Merge branch 'master' into spare-a-crumb

Author: saethlin

.github/ISSUE_TEMPLATE/bootstrap.md

@@ -0,0 +1,70 @@
+---
+name: Bootstrap (Rust Build System) Report
+about: Issues encountered on bootstrap build system
+labels: C-bug, T-bootstrap
+---
+
+<!--
+Thank you for submitting a bootstrap report! Please provide detailed information to help us reproduce and diagnose the issue.
+-->
+
+### Summary
+
+<!--
+Provide a brief description of the problem you are experiencing.
+-->
+
+### Command used
+
+```sh
+<command>
+```
+
+### Expected behaviour
+
+<!--
+Describe what you expected to happen.
+-->
+
+### Actual behaviour
+
+<!--
+Describe what actually happened.
+-->
+
+### Bootstrap configuration (config.toml)
+```toml
+<config>
+```
+
+### Operating system
+
+<!--
+e.g., Ubuntu 22.04, macOS 12, Windows 10
+-->
+
+### HEAD
+
+<!--
+Output of `git rev-parse HEAD` command, or content of the `git-commit-hash` file if using a tarball source.
+-->
+
+### Additional context
+<!--
+Include any other relevant information (e.g., if you have custom patches or modifications on the project).
+-->
+
+
+<!--
+Include the complete build log in the section below.
+Enable backtrace and verbose mode if possible for more detailed information e.g., with `RUST_BACKTRACE=1 ./x build -v`.
+-->
+<details><summary>Build Log</summary>
+<p>
+
+```txt
+<log>
+```
+
+</p>
+</details>

.github/workflows/ghcr.yml

@@ -0,0 +1,68 @@
+# Mirror DockerHub images used by the Rust project to ghcr.io.
+# Images are available at https://github.com/orgs/rust-lang/packages.
+#
+# In some CI jobs, we pull images from ghcr.io instead of Docker Hub because
+# Docker Hub has a rate limit, while ghcr.io doesn't.
+# Those images are pushed to ghcr.io by this job.
+#
+# Note that authenticating to DockerHub or other registries isn't possible
+# for PR jobs, because forks can't access secrets.
+# That's why we use ghcr.io: it has no rate limit and it doesn't require authentication.
+
+name: GHCR image mirroring
+
+on:
+  workflow_dispatch:
+  schedule:
+    # Run daily at midnight UTC
+    - cron: '0 0 * * *'
+
+jobs:
+  mirror:
+    name: DockerHub mirror
+    runs-on: ubuntu-24.04
+    if: github.repository == 'rust-lang/rust'
+    permissions:
+      # Needed to write to the ghcr.io registry
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Log in to registry
+        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.repository_owner }} --password-stdin
+
+      # Download crane in the current directory.
+      # We use crane because it copies the docker image for all the architectures available in
+      # DockerHub for the image.
+      # Learn more about crane at
+      # https://github.com/google/go-containerregistry/blob/main/cmd/crane/README.md
+      - name: Download crane
+        run: |
+          curl -sL "https://github.com/google/go-containerregistry/releases/download/${VERSION}/go-containerregistry_${OS}_${ARCH}.tar.gz" | tar -xzf -
+        env:
+          VERSION: v0.20.2
+          OS: Linux
+          ARCH: x86_64
+
+      - name: Mirror DockerHub
+        run: |
+          # List of DockerHub images to mirror to ghcr.io
+          images=(
+            # Mirrored because used by the mingw-check-tidy, which doesn't cache Docker images
+            "ubuntu:22.04"
+            # Mirrored because used by all linux CI jobs, including mingw-check-tidy
+            "moby/buildkit:buildx-stable-1"
+          )
+
+          # Mirror each image from DockerHub to ghcr.io
+          for img in "${images[@]}"; do
+            echo "Mirroring ${img}..."
+            # Remove namespace from the image if any.
+            # E.g. "moby/buildkit:buildx-stable-1" becomes "buildkit:buildx-stable-1"
+            dest_image=$(echo "${img}" | cut -d'/' -f2-)
+            ./crane copy \
+              "docker.io/${img}" \
+              "ghcr.io/${{ github.repository_owner }}/${dest_image}"
+          done

CONTRIBUTING.md

@@ -12,6 +12,15 @@ Documentation for contributing to the compiler or tooling is located in the [Gui
 Development][rustc-dev-guide], commonly known as the [rustc-dev-guide]. Documentation for the
 standard library in the [Standard library developers Guide][std-dev-guide], commonly known as the [std-dev-guide].
 
+## Making changes to subtrees and submodules
+
+For submodules, changes need to be made against the repository corresponding the
+submodule, and not the main `rust-lang/rust` repository.
+
+For subtrees, prefer sending a PR against the subtree's repository if it does
+not need to be made against the main `rust-lang/rust` repostory (e.g. a
+rustc-dev-guide change that does not accompany a compiler change).
+
 ## About the [rustc-dev-guide]
 
 The [rustc-dev-guide] is meant to help document how rustc –the Rust compiler– works,

Cargo.lock

@@ -172,11 +172,12 @@ dependencies = [
 
 [[package]]
 name = "anstyle-wincon"
-version = "3.0.6"
+version = "3.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2109dbce0e72be3ec00bed26e6a7479ca384ad226efdd66db8fa2e3a38c83125"
+checksum = "ca3534e77181a9cc07539ad51f2141fe32f6c3ffd4df76db8ad92346b003ae4e"
 dependencies = [
  "anstyle",
+ "once_cell",
  "windows-sys 0.59.0",
 ]
 
@@ -254,9 +255,9 @@ dependencies = [
 
 [[package]]
 name = "bitflags"
-version = "2.7.0"
+version = "2.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1be3f42a67d6d345ecd59f675f3f012d6974981560836e938c22b424b85ce1be"
+checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
 
 [[package]]
 name = "blake3"
@@ -450,9 +451,9 @@ dependencies = [
 
 [[package]]
 name = "chrono-tz"
-version = "0.10.0"
+version = "0.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cd6dd8046d00723a59a2f8c5f295c515b9bb9a331ee4f8f3d4dd49e428acd3b6"
+checksum = "9c6ac4f2c0bf0f44e9161aec9675e1050aa4a530663c4a9e37e108fa948bca9f"
 dependencies = [
  "chrono",
  "chrono-tz-build",
@@ -1223,7 +1224,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c936bfdafb507ebbf50b8074c54fa31c5be9a1e7e5f467dd659697041407d07c"
 dependencies = [
  "crc32fast",
- "miniz_oxide 0.8.2",
+ "miniz_oxide 0.8.3",
 ]
 
 [[package]]
@@ -1954,9 +1955,9 @@ dependencies = [
 
 [[package]]
 name = "js-sys"
-version = "0.3.76"
+version = "0.3.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6717b6b5b077764fb5966237269cb3c64edddde4b14ce42647430a78ced9e7b7"
+checksum = "1cfaf33c695fc6e08064efbc1f72ec937429614f25eef83af942d0e227c3a28f"
 dependencies = [
  "once_cell",
  "wasm-bindgen",
@@ -2152,9 +2153,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.22"
+version = "0.4.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+checksum = "04cbf5b083de1c7e0222a7a51dbfdba1cbe1c6ab0b15e29fff3f6c077fd9cd9f"
 
 [[package]]
 name = "lzma-sys"
@@ -2317,9 +2318,9 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.8.2"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ffbe83022cedc1d264172192511ae958937694cd57ce297164951b8b3568394"
+checksum = "b8402cab7aefae129c6977bb0ff1b8fd9a04eb5b51efc50a70bea51cda0c7924"
 dependencies = [
  "adler2",
 ]
@@ -4259,6 +4260,7 @@ dependencies = [
  "rustc_serialize",
  "rustc_type_ir",
  "rustc_type_ir_macros",
+ "smallvec",
  "tracing",
 ]
 
@@ -5835,18 +5837,18 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
 [[package]]
 name = "uuid"
-version = "1.11.1"
+version = "1.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b913a3b5fe84142e269d63cc62b64319ccaf89b748fc31fe025177f767a756c4"
+checksum = "744018581f9a3454a9e15beb8a33b017183f1e7c0cd170232a2d1453b23a51c4"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "valuable"
-version = "0.1.0"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
+checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
 
 [[package]]
 name = "vcpkg"
@@ -5884,20 +5886,21 @@ checksum = "0f76d9fa52234153eeb40b088de91a8c13dc28a912cf6f31cd89ca4bac9024e0"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a474f6281d1d70c17ae7aa6a613c87fce69a127e2624002df63dcb39d6cf6396"
+checksum = "1edc8929d7499fc4e8f0be2262a241556cfc54a0bea223790e71446f2aab1ef5"
 dependencies = [
  "cfg-if",
  "once_cell",
+ "rustversion",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5f89bb38646b4f81674e8f5c3fb81b562be1fd936d84320f3264486418519c79"
+checksum = "2f0a0651a5c2bc21487bde11ee802ccaf4c51935d0d3d42a6101f98161700bc6"
 dependencies = [
  "bumpalo",
  "log",
@@ -5909,19 +5912,19 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2cc6181fd9a7492eef6fef1f33961e3695e4579b9872a6f7c83aee556666d4fe"
+checksum = "7fe63fc6d09ed3792bd0897b314f53de8e16568c2b3f7982f468c0bf9bd0b407"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30d7a95b763d3c45903ed6c81f156801839e5ee968bb07e534c44df0fcd330c2"
+checksum = "8ae87ea40c9f689fc23f209965b6fb8a99ad69aeeb0231408be24920604395de"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -5932,9 +5935,12 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.99"
+version = "0.2.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "943aab3fdaaa029a6e0271b35ea10b72b943135afe9bffca82384098ad0e06a6"
+checksum = "1a05d73b933a847d6cccdda8f838a22ff101ad9bf93e33684f39c1f5f0eece3d"
+dependencies = [
+ "unicode-ident",
+]
 
 [[package]]
 name = "wasm-component-ld"

RELEASES.md

@@ -359,7 +359,7 @@ Language
 - [`addr_of(_mut)!` macros and the newly stabilized `&raw (const|mut)` are now safe to use with all static items](https://github.com/rust-lang/rust/pull/125834)
 - [size_of_val_raw: for length 0 this is safe to call](https://github.com/rust-lang/rust/pull/126152/)
 - [Reorder trait bound modifiers *after* `for<...>` binder in trait bounds](https://github.com/rust-lang/rust/pull/127054/)
-- [Stabilize opaque type precise capturing (RFC 3617)](https://github.com/rust-lang/rust/pull/127672)
+- [Stabilize `+ use<'lt>` opaque type precise capturing (RFC 3617)](https://github.com/rust-lang/rust/pull/127672)
 - [Stabilize `&raw const` and `&raw mut` operators (RFC 2582)](https://github.com/rust-lang/rust/pull/127679)
 - [Stabilize unsafe extern blocks (RFC 3484)](https://github.com/rust-lang/rust/pull/127921)
 - [Stabilize nested field access in `offset_of!`](https://github.com/rust-lang/rust/pull/128284)