ruby2.5-rubygem-hitimes.x86_64: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/hitimes-1.2.6/ext/hitimes/c/.sitearchdir.-.hitimes.-.2.5.time
The file or directory is hidden. You should see if this is normal, and delete
it from the package if not.

ruby2.5-rubygem-hitimes.x86_64: W: zero-length /usr/lib64/ruby/gems/2.5.0/extensions/x86_64-linux/2.5.0/hitimes-1.2.6/gem.build_complete
ruby2.5-rubygem-hitimes.x86_64: W: zero-length /usr/lib64/ruby/gems/2.5.0/gems/hitimes-1.2.6/ext/hitimes/c/.sitearchdir.-.hitimes.-.2.5.time
4 packages and 0 specfiles checked; 0 errors, 3 warnings.