Merge branch 'rust-lang:master' into master

Author: MeetThePatel

Diff for: .git-blame-ignore-revs

@@ -27,3 +27,5 @@ ec2cc761bc7067712ecc7734502f703fe3b024c8
 84ac80f1921afc243d71fd0caaa4f2838c294102
 # bless mir-opt tests to add `copy`
 99cb0c6bc399fb94a0ddde7e9b38e9c00d523bad
+# reformat with rustfmt edition 2024
+c682aa162b0d41e21cc6748f4fecfe01efb69d1f

Diff for: .github/ISSUE_TEMPLATE/blank_issue.md

@@ -7,6 +7,6 @@ tracking issue or there are none, feel free to ignore this.
 This PR will get automatically assigned to a reviewer. In case you would like
 a specific user to review your work, you can assign it to them by using
 
-    r​? <reviewer name>
+    r\? <reviewer name> (with the `\` removed)
 -->
 <!-- homu-ignore:end -->

Diff for: .github/pull_request_template.md

@@ -104,6 +104,18 @@ jobs:
         with:
           fetch-depth: 2
 
+      # Free up disk space on Linux by removing preinstalled components that
+      # we do not need. We do this to enable some of the less resource
+      # intensive jobs to run on free runners, which however also have
+      # less disk space.
+      - name: free up disk space
+        uses: jlumbroso/free-disk-space@54081f138730dfa15788a46383842cd2f914a1be
+        if: contains(matrix.os, 'ubuntu')
+        with:
+          # Removing packages with APT saves ~5 GiB, but takes several
+          # minutes (and potentially removes important packages).
+          large-packages: false
+
       # Rust Log Analyzer can't currently detect the PR number of a GitHub
       # Actions build on its own, so a hint in the log message is needed to
       # point it in the right direction.
@@ -122,6 +134,9 @@ jobs:
           # which then uses log commands to actually set them.
           EXTRA_VARIABLES: ${{ toJson(matrix.env) }}
 
+      - name: setup upstream remote
+        run: src/ci/scripts/setup-upstream-remote.sh
+
       - name: ensure the channel matches the target branch
         run: src/ci/scripts/verify-channel.sh
 
@@ -191,6 +206,11 @@ jobs:
       - name: create github artifacts
         run: src/ci/scripts/create-doc-artifacts.sh
 
+      - name: print disk usage
+        run: |
+          echo "disk usage:"
+          df -h
+
       - name: upload artifacts to github
         uses: actions/upload-artifact@v4
         with:
@@ -212,6 +232,16 @@ jobs:
         # erroring about invalid credentials instead.
         if: github.event_name == 'push' || env.DEPLOY == '1' || env.DEPLOY_ALT == '1'
 
+      - name: upload job metrics to DataDog
+        if: needs.calculate_matrix.outputs.run_type != 'pr'
+        env:
+          DATADOG_SITE: datadoghq.com
+          DATADOG_API_KEY: ${{ secrets.DATADOG_API_KEY }}
+          DD_GITHUB_JOB_NAME: ${{ matrix.name }}
+        run: |
+          npm install -g @datadog/datadog-ci@^2.x.x
+          python3 src/ci/scripts/upload-build-metrics.py build/cpu-usage.csv
+
   # This job isused to tell bors the final status of the build, as there is no practical way to detect
   # when a workflow is successful listening to webhooks only in our current bors implementation (homu).
   outcome:

Diff for: .github/workflows/ci.yml

@@ -61,9 +61,11 @@ jobs:
           rustup toolchain install --no-self-update --profile minimal $TOOLCHAIN
           rustup default $TOOLCHAIN
 
-      - name: cargo update
+      - name: cargo update compiler & tools
         # Remove first line that always just says "Updating crates.io index"
-        run: cargo update 2>&1 | sed '/crates.io index/d' | tee -a cargo_update.log
+        run: |
+          echo -e "\ncompiler & tools dependencies:" >> cargo_update.log
+          cargo update 2>&1 | sed '/crates.io index/d' | tee -a cargo_update.log
       - name: cargo update library
         run: |
           echo -e "\nlibrary dependencies:" >> cargo_update.log

Diff for: .github/workflows/dependencies.yml

@@ -25,6 +25,7 @@ Session.vim
 .favorites.json
 .settings/
 .vs/
+.dir-locals.el
 
 ## Tool
 .valgrindrc
@@ -56,6 +57,8 @@ build/
 /src/tools/x/target
 # Created by default with `src/ci/docker/run.sh`
 /obj/
+# Created by nix dev shell / .envrc
+src/tools/nix-dev-shell/flake.lock
 
 ## ICE reports
 rustc-ice-*.txt
@@ -85,4 +88,13 @@ package.json
 ## Rustdoc GUI tests
 tests/rustdoc-gui/src/**.lock
 
+## direnv
+.envrc
+.direnv/
+
+## nix
+flake.nix
+flake.lock
+default.nix
+
 # Before adding new lines, see the comment at the top.

Diff for: .gitignore

@@ -33,7 +33,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/19.1-2024-07-30
+	branch = rustc/19.1-2024-09-17
 	shallow = true
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book

Diff for: .gitmodules

@@ -74,6 +74,7 @@ Ben Striegel <[email protected]>
 Benjamin Jackman <[email protected]>
 Benoît Cortier <[email protected]>
 Bheesham Persaud <[email protected]> Bheesham Persaud <[email protected]>
+bjorn3 <[email protected]> <[email protected]>
 Björn Steinbrink <[email protected]> <[email protected]>
 blake2-ppc <[email protected]> <blake2-ppc>
 blyxyas <[email protected]> Alejandra González <[email protected]>
@@ -255,6 +256,7 @@ Jakub Adam Wieczorek <[email protected]>
 Jakub Adam Wieczorek <[email protected]> <[email protected]>
 Jakub Adam Wieczorek <[email protected]> <[email protected]>
 Jakub Adam Wieczorek <[email protected]> <[email protected]>
+Jakub Beránek <[email protected]> <[email protected]>
 James [Undefined] <[email protected]>
 James Deng <[email protected]> <[email protected]>
 James Hinshelwood <[email protected]> <[email protected]>
@@ -279,6 +281,7 @@ Jerry Hardee <[email protected]>
 Jesús Rubio <[email protected]>
 Jethro Beekman <[email protected]>
 Jian Zeng <[email protected]>
+Jieyou Xu <[email protected]> <[email protected]>
 Jihyun Yu <[email protected]> <[email protected]>
 Jihyun Yu <[email protected]> jihyun <[email protected]>
 Jihyun Yu <[email protected]> Jihyun Yu <[email protected]>
@@ -311,6 +314,7 @@ Josh Driver <[email protected]>
 Josh Holmer <[email protected]>
 Josh Stone <[email protected]> <[email protected]>
 Josh Stone <[email protected]> <[email protected]>
+Julia Ryan <[email protected]> <[email protected]>
 Julian Knodt <[email protected]>
 jumbatm <[email protected]> <[email protected]>
 Junyoung Cho <[email protected]>