Build process failed

Process completed with exit code 1.

No such keg: /opt/homebrew/Cellar/r

No files were found with the provided path: /Users/runner/work/rstanarm/rstanarm/check. No artifacts will be uploaded.

Node.js 16 actions are deprecated. Please update the following actions to use Node.js 20: n1hility/cancel-previous-runs@master. For more information see: https://github.blog/changelog/2023-09-22-github-actions-transitioning-from-node-16-to-node-20/.

pkg-config 0.29.2_3 is already installed and up-to-date. To reinstall 0.29.2_3, run: brew reinstall pkg-config