ci: debug why 1.48 works locally and not in CI

Author: cardoe

.github/workflows/ci.yml

@@ -23,10 +23,12 @@ jobs:
       - uses: actions/checkout@v4
       - name: install Rust
         run: rustup toolchain install ${{ matrix.rust.version }} --profile minimal --allow-downgrade
-      - run: mv Cargo.lock.msrv Cargo.lock
+      - run: cp Cargo.lock.msrv Cargo.lock
         if: ${{ matrix.rust.version}} == 1.48.0
       - name: cargo check/test
-        run: cargo ${{ matrix.rust.command }} ${{ matrix.rust.args }}
+        run: |
+          cargo --version
+          cargo ${{ matrix.rust.command }} ${{ matrix.rust.args }}
 
   test:
     runs-on: ubuntu-latest