Your workflow is using a version of actions/cache that is scheduled for deprecation, actions/cache@v2. Please update your workflow to use the latest version of actions/cache to avoid interruptions. Learn more: https://github.blog/changelog/2024-09-16-notice-of-upcoming-deprecations-and-changes-in-github-actions-services/

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

The following actions use a deprecated Node.js version and will be forced to run on node20: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2024-03-07-github-actions-all-actions-will-run-on-node20-instead-of-node16-by-default/

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 38..-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 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 60..-1//1 instead

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

negative steps are not supported in String.slice/2, pass 37..-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