use inline script instead of unmaintained actions-rs/toolchain

Author: s7tya

.github/workflows/ci.yml

@@ -21,11 +21,12 @@ jobs:
           fetch-depth: 1
 
       - name: Install toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: 1.75.0
-          override: true
-          components: rustfmt, clippy
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: 1.75.0
 
       - uses: Swatinem/rust-cache@v2
         with:
@@ -77,11 +78,13 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Install latest beta
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: beta
-          override: true
+      - name: Install latest beta toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: beta
 
       - uses: Swatinem/rust-cache@v2
         with:
@@ -90,7 +93,7 @@ jobs:
       - name: cargo check
         run: cargo check
         env:
-            RUSTFLAGS: -Dwarnings
+          RUSTFLAGS: -Dwarnings
 
       - name: Run unit tests
         run: cargo test --all
@@ -125,11 +128,13 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Install latest beta
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: beta
-          override: true
+      - name: Install latest beta toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: beta
 
       - name: Configure environment
         run: |
@@ -162,11 +167,13 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Install latest beta
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: beta
-          override: true
+      - name: Install latest beta toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: beta
 
       - name: Configure environment
         run: |
@@ -196,11 +203,13 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Install latest beta
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: beta
-          override: true
+      - name: Install latest beta toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: beta
 
       - name: Configure environment
         run: |
@@ -227,11 +236,13 @@ jobs:
         with:
           fetch-depth: 1
 
-      - name: Install latest beta
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: beta
-          override: true
+      - name: Install latest beta toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: beta
 
       # We build a specific version of Valgrind because the one from the Ubuntu 22.04 repositories
       # has problems with Rust debuginfo.
@@ -294,10 +305,13 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v2
 
-      - name: Install stable
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
+      - name: Install latest toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: stable
 
       - uses: Swatinem/rust-cache@v2
 
@@ -344,10 +358,13 @@ jobs:
       - name: Check out repository code
         uses: actions/checkout@v2
 
-      - name: Install stable
-        uses: actions-rs/toolchain@v1
-        with:
-          toolchain: stable
+      - name: Install latest stable toolchain
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: stable
 
       - name: Install nightly
         run: rustup install nightly

.github/workflows/nightly.yml

@@ -19,11 +19,12 @@ jobs:
           fetch-depth: 1
 
       - name: Install stable toolchain
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
+        run: |
+          rustup install $RUST_TOOLCHAIN_VERSION --profile minimal
+          rustup default $RUST_TOOLCHAIN_VERSION
+          rustup component add --toolchain $RUST_TOOLCHAIN_VERSION rustfmt clippy
+        env:
+          RUST_TOOLCHAIN_VERSION: stable
 
       - uses: Swatinem/rust-cache@v1