Merge commit 'd7b5cbf065b88830ca519adcb73fad4c0d24b1c7' into clippyup

.github/workflows/clippy_bors.yml

@@ -143,6 +143,25 @@ jobs:
       env:
         OS: ${{ runner.os }}
 
+  metadata_collection:
+    needs: base
+    runs-on: ubuntu-latest
+
+    steps:
+     # Setup
+    - uses: rust-lang/simpleinfra/github-actions/cancel-outdated-builds@master
+      with:
+        github_token: "${{ secrets.github_token }}"
+
+    - name: Checkout
+      uses: actions/checkout@v3.0.2
+
+    - name: Install toolchain
+      run: rustup show active-toolchain
+
+    - name: Test metadata collection
+      run: cargo collect-metadata
+
   integration_build:
     needs: changelog
     runs-on: ubuntu-latest

.github/workflows/remark.yml

@@ -26,10 +26,19 @@ jobs:
     - name: Install remark
       run: npm install remark-cli remark-lint remark-lint-maximum-line-length remark-preset-lint-recommended remark-gfm
 
+    - name: Install mdbook
+      run: |
+        mkdir mdbook
+        curl -Lf https://github.com/rust-lang/mdBook/releases/download/v0.4.18/mdbook-v0.4.18-x86_64-unknown-linux-gnu.tar.gz | tar -xz --directory=./mdbook
+        echo `pwd`/mdbook >> $GITHUB_PATH
+
     # Run
     - name: Check *.md files
       run: git ls-files -z '*.md' | xargs -0 -n 1 -I {} ./node_modules/.bin/remark {} -u lint -f > /dev/null
 
+    - name: Build mdbook
+      run: mdbook build book
+
   # These jobs doesn't actually test anything, but they're only used to tell
   # bors the build completed, as there is no practical way to detect when a
   # workflow is successful listening to webhooks only.