CI: switch from `actions-rs/toolchain` to `dtolnay/rust-toolchain`

.github/workflows/ci.yml

@@ -21,10 +21,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
       - run: pip install nox
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          profile: minimal
           components: rustfmt
       - name: Check python formatting (black)
         run: nox -s fmt-py
@@ -37,10 +35,8 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
       - run: pip install nox
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          profile: minimal
           components: clippy
       - run: nox -s clippy
 
@@ -56,13 +52,9 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          target: ${{ matrix.target }}
-          profile: minimal
-          default: true
-
+          targets: ${{ matrix.target }}
       - name: Run cargo checks
         run: |
           set -x
@@ -158,12 +150,10 @@ jobs:
           architecture: ${{ matrix.platform.python-architecture }}
 
       - name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.rust }}
-          target: ${{ matrix.platform.rust-target }}
-          profile: minimal
-          default: true
+          targets: ${{ matrix.platform.rust-target }}
           # needed to correctly format errors, see #1865
           components: rust-src
 
@@ -330,13 +320,9 @@ jobs:
         with:
           key: cargo-valgrind
         continue-on-error: true
-      - uses: actions-rs/toolchain@v1
-        with:
-          # FIXME(adamreichold): Switch to stable when Valgrind understands DWARF5 as generated by LLVM 14,
-          # c.f. https://bugs.kde.org/show_bug.cgi?id=452758#c35
-          toolchain: 1.61.0
-          override: true
-          profile: minimal
+      # FIXME(adamreichold): Switch to stable when Valgrind understands DWARF5 as generated by LLVM 14,
+      # c.f. https://bugs.kde.org/show_bug.cgi?id=452758#c35
+      - uses: dtolnay/rust-toolchain@1.61.0
       - uses: taiki-e/install-action@valgrind
       - run: python -m pip install -U pip nox
       - run: nox -s test-rust -- release skip-full
@@ -357,11 +343,8 @@ jobs:
         with:
           key: cargo-careful
         continue-on-error: true
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@nightly
         with:
-          toolchain: nightly
-          override: true
-          profile: minimal
           components: rust-src
       - run: cargo install cargo-careful
       - run: python -m pip install -U pip nox
@@ -386,11 +369,8 @@ jobs:
         with:
           key: coverage-cargo-${{ matrix.os }}
         continue-on-error: true
-      - uses: actions-rs/toolchain@v1
+      - uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          override: true
-          profile: minimal
           components: llvm-tools-preview
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
@@ -411,10 +391,9 @@ jobs:
         with:
           python-version: 3.11.0-beta.4
       - name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: stable
-          target: wasm32-unknown-emscripten
+          targets: wasm32-unknown-emscripten
       - uses: actions/setup-node@v3
         with:
           node-version: 14

.github/workflows/gh-pages.yml

@@ -23,10 +23,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
-        with:
-          toolchain: nightly
-          profile: minimal
+      - uses: dtolnay/rust-toolchain@nightly
 
       - name: Setup mdBook
         uses: peaceiris/actions-mdbook@v1
@@ -64,11 +61,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
 
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
+      - uses: dtolnay/rust-toolchain@stable
 
       - uses: actions/cache@v3
         with:
@@ -113,11 +106,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
-      - uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
+      - uses: dtolnay/rust-toolchain@stable
 
       - uses: actions/cache@v3
         with: