ruby2.5-rubygem-safe_yaml.armv7hl: W: description-shorter-than-summary rubygem-safe_yaml.src: W: description-shorter-than-summary The package description should be longer than the summary. be a bit more verbose, please. ruby2.5-rubygem-safe_yaml.armv7hl: W: hidden-file-or-dir /usr/lib/ruby/gems/2.5.0/gems/safe_yaml-1.0.4/.travis.yml The file or directory is hidden. You should see if this is normal, and delete it from the package if not. ruby2.5-rubygem-safe_yaml.armv7hl: W: version-control-internal-file /usr/lib/ruby/gems/2.5.0/gems/safe_yaml-1.0.4/.gitignore You have included file(s) internally used by a version control system in the package. Move these files out of the package and rebuild it. ruby2.5-rubygem-safe_yaml-testsuite.armv7hl: W: zero-length /usr/lib/ruby/gems/2.5.0/gems/safe_yaml-1.0.4/spec/issue49.yml 4 packages and 0 specfiles checked; 0 errors, 5 warnings.