add a CI job to verify msrv is still correct

diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ddb8e61d775fa3a776ad3eeb29e6ccdca1b09af1..be88ab6f6b5f5816a27c93d366a299bf04c611a3 100644 (file)
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -38,3 +38,13 @@ jobs:
         with:
           command: test
           args: --verbose --all --no-default-features --features num
+  msrv:
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v2
+      - name: Install cargo-msrv
+        uses: baptiste0928/[email protected]
+        with:
+          crate: cargo-msrv
+      - name: Verify MSRV
+        run: cargo msrv --verify