CI workflow

.github/workflows/CI.yml

@@ -32,6 +32,11 @@ jobs:
       - uses: actions/setup-python@v5
         with:
           python-version: 3.x
+      - name: Install Rust (rustup)
+        run: |
+          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+          source $HOME/.cargo/env
+          rustup default nightly
       - name: Build wheels
         run: |
           python -m pip install maturin