Auto merge of #78889 - Dylan-DPC:rollup-6zjhahf, r=Dylan-DPC

Rollup of 12 pull requests

Successful merges:

 - #77640 (Refactor IntErrorKind to avoid "underflow" terminology)
 - #78026 (Define `fs::hard_link` to not follow symlinks.)
 - #78114 (Recognize `private_intra_doc_links` as a lint)
 - #78228 (Promote aarch64-unknown-linux-gnu to Tier 1)
 - #78345 (Fix handling of item names for HIR)
 - #78437 (BTreeMap: stop mistaking node for an orderly place)
 - #78476 (fix some incorrect aliasing in the BTree)
 - #78674 (inliner: Use substs_for_mir_body)
 - #78748 (Implement destructuring assignment for tuples)
 - #78868 (Fix tab focus on restyled switches)
 - #78878 (Avoid overlapping cfg attributes when both macOS and aarch64)
 - #78882 (Nicer hunk headers for rust files)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

.gitattributes

@@ -3,7 +3,7 @@
 * text=auto eol=lf
 *.cpp rust
 *.h rust
-*.rs rust
+*.rs rust diff=rust
 *.fixed linguist-language=Rust
 src/etc/installer/gfx/* binary
 *.woff binary

.github/workflows/ci.yml

@@ -154,6 +154,11 @@ jobs:
     strategy:
       matrix:
         include:
+          - name: aarch64-gnu
+            os:
+              - self-hosted
+              - ARM64
+              - linux
           - name: arm-android
             os: ubuntu-latest-xl
             env: {}
@@ -497,116 +502,6 @@ jobs:
           AWS_ACCESS_KEY_ID: "${{ env.ARTIFACTS_AWS_ACCESS_KEY_ID }}"
           AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.ARTIFACTS_AWS_ACCESS_KEY_ID)] }}"
         if: "success() && !env.SKIP_JOB && (github.event_name == 'push' || env.DEPLOY == '1' || env.DEPLOY_ALT == '1')"
-  auto-fallible:
-    name: auto-fallible
-    env:
-      CI_JOB_NAME: "${{ matrix.name }}"
-      SCCACHE_BUCKET: rust-lang-gha-caches
-      DEPLOY_BUCKET: rust-lang-gha
-      TOOLSTATE_REPO: "https://github.com/pietroalbini/rust-toolstate"
-      TOOLSTATE_ISSUES_API_URL: "https://api.github.com/repos/pietroalbini/rust-toolstate/issues"
-      TOOLSTATE_PUBLISH: 1
-      CACHES_AWS_ACCESS_KEY_ID: AKIA46X5W6CZOMUQATD5
-      ARTIFACTS_AWS_ACCESS_KEY_ID: AKIA46X5W6CZH5AYXDVF
-      CACHE_DOMAIN: ci-caches-gha.rust-lang.org
-    if: "github.event_name == 'push' && github.ref == 'refs/heads/auto' && github.repository == 'rust-lang-ci/rust'"
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - name: aarch64-gnu
-            os:
-              - self-hosted
-              - ARM64
-              - linux
-    timeout-minutes: 600
-    runs-on: "${{ matrix.os }}"
-    steps:
-      - name: disable git crlf conversion
-        run: git config --global core.autocrlf false
-      - name: checkout the source code
-        uses: actions/checkout@v2
-        with:
-          fetch-depth: 2
-      - name: configure the PR in which the error message will be posted
-        run: "echo \"[CI_PR_NUMBER=$num]\""
-        env:
-          num: "${{ github.event.number }}"
-        if: "success() && !env.SKIP_JOBS && github.event_name == 'pull_request'"
-      - name: add extra environment variables
-        run: src/ci/scripts/setup-environment.sh
-        env:
-          EXTRA_VARIABLES: "${{ toJson(matrix.env) }}"
-        if: success() && !env.SKIP_JOB
-      - name: decide whether to skip this job
-        run: src/ci/scripts/should-skip-this.sh
-        if: success() && !env.SKIP_JOB
-      - name: configure GitHub Actions to kill the build when outdated
-        uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
-        with:
-          github_token: "${{ secrets.github_token }}"
-        if: "success() && !env.SKIP_JOB && github.ref != 'refs/heads/try'"
-      - name: collect CPU statistics
-        run: src/ci/scripts/collect-cpu-stats.sh
-        if: success() && !env.SKIP_JOB
-      - name: show the current environment
-        run: src/ci/scripts/dump-environment.sh
-        if: success() && !env.SKIP_JOB
-      - name: install awscli
-        run: src/ci/scripts/install-awscli.sh
-        if: success() && !env.SKIP_JOB
-      - name: install sccache
-        run: src/ci/scripts/install-sccache.sh
-        if: success() && !env.SKIP_JOB
-      - name: select Xcode
-        run: src/ci/scripts/select-xcode.sh
-        if: success() && !env.SKIP_JOB
-      - name: install clang
-        run: src/ci/scripts/install-clang.sh
-        if: success() && !env.SKIP_JOB
-      - name: install WIX
-        run: src/ci/scripts/install-wix.sh
-        if: success() && !env.SKIP_JOB
-      - name: ensure the build happens on a partition with enough space
-        run: src/ci/scripts/symlink-build-dir.sh
-        if: success() && !env.SKIP_JOB
-      - name: disable git crlf conversion
-        run: src/ci/scripts/disable-git-crlf-conversion.sh
-        if: success() && !env.SKIP_JOB
-      - name: install MSYS2
-        run: src/ci/scripts/install-msys2.sh
-        if: success() && !env.SKIP_JOB
-      - name: install MinGW
-        run: src/ci/scripts/install-mingw.sh
-        if: success() && !env.SKIP_JOB
-      - name: install ninja
-        run: src/ci/scripts/install-ninja.sh
-        if: success() && !env.SKIP_JOB
-      - name: enable ipv6 on Docker
-        run: src/ci/scripts/enable-docker-ipv6.sh
-        if: success() && !env.SKIP_JOB
-      - name: disable git crlf conversion
-        run: src/ci/scripts/disable-git-crlf-conversion.sh
-        if: success() && !env.SKIP_JOB
-      - name: checkout submodules
-        run: src/ci/scripts/checkout-submodules.sh
-        if: success() && !env.SKIP_JOB
-      - name: ensure line endings are correct
-        run: src/ci/scripts/verify-line-endings.sh
-        if: success() && !env.SKIP_JOB
-      - name: run the build
-        run: src/ci/scripts/run-build-from-ci.sh
-        env:
-          AWS_ACCESS_KEY_ID: "${{ env.CACHES_AWS_ACCESS_KEY_ID }}"
-          AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.CACHES_AWS_ACCESS_KEY_ID)] }}"
-          TOOLSTATE_REPO_ACCESS_TOKEN: "${{ secrets.TOOLSTATE_REPO_ACCESS_TOKEN }}"
-        if: success() && !env.SKIP_JOB
-      - name: upload artifacts to S3
-        run: src/ci/scripts/upload-artifacts.sh
-        env:
-          AWS_ACCESS_KEY_ID: "${{ env.ARTIFACTS_AWS_ACCESS_KEY_ID }}"
-          AWS_SECRET_ACCESS_KEY: "${{ secrets[format('AWS_SECRET_ACCESS_KEY_{0}', env.ARTIFACTS_AWS_ACCESS_KEY_ID)] }}"
-        if: "success() && !env.SKIP_JOB && (github.event_name == 'push' || env.DEPLOY == '1' || env.DEPLOY_ALT == '1')"
   try:
     name: try
     env: