CI: pin dependency versions for MSRV via Cargo.lock.msrv

rust-random · Dec 11, 2022 · 4af7539 · 4af7539
1 parent 60fd0f8
commit 4af7539
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diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -46,7 +46,7 @@ jobs:
             # Test both windows-gnu and windows-msvc; use beta rust on one
           - os: ubuntu-latest
             target: x86_64-unknown-linux-gnu
-            toolchain: 1.56.0 # MSRV
+            variant: MSRV
           - os: ubuntu-latest
             deps: sudo apt-get update ; sudo apt install gcc-multilib
             target: i686-unknown-linux-gnu
@@ -56,13 +56,21 @@ jobs:
             toolchain: nightly
             variant: minimal_versions
 
+    env:
+      TOOLCHAIN: ${{ matrix.toolchain }}
+
     steps:
       - uses: actions/checkout@v3
+      - name: MSRV
+        if: ${{ matrix.variant == 'MSRV' }}
+        env:
+          TOOLCHAIN: 0.56.0
+        run: cp Cargo.lock.msrv Cargo.lock
       - name: Install toolchain
         uses: dtolnay/rust-toolchain@master
         with:
           target: ${{ matrix.target }}
-          toolchain: ${{ matrix.toolchain }}
+          toolchain: ${TOOLCHAIN}
       - run: ${{ matrix.deps }}
       - name: Maybe minimal versions
         if: ${{ matrix.variant == 'minimal_versions' }}