Merge branch 'main' into recurse-2

.github/workflows/install.yml

@@ -3,18 +3,18 @@ permissions:
 
 on:
   push:
-    branches:
-      - main
     paths:
       - ".github/workflows/install.yml"
   schedule:
     - cron: "17 0 * * 1"
 
 jobs:
   cargo-install:
+    strategy:
+      matrix:
+        locked: ["", "--locked"]
     runs-on: ubuntu-latest
     steps:
-      - uses: Swatinem/rust-cache@v2
       - name: cargo-install
         run: |
-          cargo install cargo-mutants
+          cargo install cargo-mutants ${{ matrix.locked }}

.github/workflows/msrv.yml

@@ -30,14 +30,13 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: Swatinem/rust-cache@v2
-      - uses: actions-rs/toolchain@v1
-        name: Install older toolchain
+      - name: Toolchain
+        uses: dtolnay/rust-toolchain@master
         with:
           toolchain: ${{ matrix.toolchain }}
-          override: true
       - name: Show Cargo and rustc version
         run: |
-          cargo --version
-          rustc --version
+          cargo +${{ matrix.toolchain }} --version
+          rustc +${{ matrix.toolchain }} --version
       - name: Test
-        run: cargo test --workspace
+        run: cargo +${{ matrix.toolchain }} test --workspace

.github/workflows/mutate-self.yaml

@@ -8,7 +8,7 @@ on:
   push:
     branches:
       - main
-      - ci-mutants
+      - ci-*
 
 env:
   # Some runners, especially on Windows, have uneven performance; allow lots
@@ -26,7 +26,7 @@ jobs:
           cargo install --path .
       - name: Mutants
         run: |
-          cargo mutants --no-shuffle --exclude console.rs
+          cargo mutants --no-shuffle --exclude console.rs -j 2
       - name: Archive mutants.out
         uses: actions/upload-artifact@v3
         if: always()