Your workflow is using a version of actions/cache that is scheduled for deprecation, actions/cache@v2. Please update your workflow to use either v3 or v4 of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-12-05-notice-of-upcoming-releases-and-breaking-changes-for-github-actions/#actions-cache-v1-v2-and-actions-toolkit-cache-package-closing-down

ubuntu-latest pipelines will use ubuntu-24.04 soon. For more details, see https://github.com/actions/runner-images/issues/10636

negative steps are not supported in String.slice/2, pass 24..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 60..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 81..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 70..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 81..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 38..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 70..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 65..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 60..-1//1 instead

negative steps are not supported in Enum.slice/2, pass 65..-1//1 instead

in order to compile .yrl files, you must add "compilers: [:yecc] ++ Mix.compilers()" to the "def project" section of erlex's mix.exs