The following artifacts were uploaded using a version of actions/upload-artifact that is scheduled for deprecation: "kani-latest-x86_64-apple-darwin.tar.gz", "kani-latest-x86_64-unknown-linux-gnu.tar.gz", "linux-kani-verifier.crate", "macos-13-kani-verifier.crate". Please update your workflow to use v4 of the artifact actions. Learn more: https://github.blog/changelog/2024-04-16-deprecation-notice-v3-of-the-artifact-actions/

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: actions/download-artifact@v3. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.