When testing rustc 1.36, use compatible dependencies.

nwalfield · nwalfield · commit 1126d03a5cbd · 2026-04-16T13:08:09.000+02:00
The latest versions of `ppv-lite86` and `libc` don't compile with
`rustc` 1.36.  When testing with `rustc` 1.36, use the last compatible
version of the dependencies.
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -78,6 +78,10 @@ jobs:
           cargo test --target ${{ matrix.target }} --benches --features=nightly
           cargo test --target ${{ matrix.target }} --manifest-path rand_distr/Cargo.toml --benches
           cargo test --target ${{ matrix.target }} --lib --tests --no-default-features --features min_const_gen
+      - name: Use Cargo.lock.msrv (1.36)
+        if: ${{ matrix.toolchain == '1.36.0' }}
+        run: |
+          cp Cargo.lock.msrv Cargo.lock
       - name: Test rand
         run: |
           cargo test --target ${{ matrix.target }} --lib --tests --no-default-features
