ERROR: “artifactory-cleaner clean” was called with arguments [“–last-modified-before=2019-08-03”] Usage: “artifactory-cleaner clean” Deprecation warning: Thor exit with status 0 on errors. To keep this behavior, you must define `exit_on_failure?` in `Artifactory::Cleaner::CLI` You can silence deprecations warning by setting the environment variable THOR_SILENCE_DEPRECATION.