ruby2.5-rubygem-eventmachine.s390x: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/ext/.sitearchdir.time
ruby2.5-rubygem-eventmachine.s390x: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/ext/fastfilereader/.sitearchdir.time
ruby2.5-rubygem-eventmachine.s390x: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/java/.classpath
ruby2.5-rubygem-eventmachine.s390x: W: hidden-file-or-dir /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/java/.project
The file or directory is hidden. You should see if this is normal, and delete
it from the package if not.

ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/01_eventmachine_echo_server.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/02_eventmachine_echo_server_that_recognizes_exit_command.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/03_simple_chat_server.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/04_simple_chat_server_step_one.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/05_simple_chat_server_step_two.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/06_simple_chat_server_step_three.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/07_simple_chat_server_step_four.rb 644 /usr/bin/env ruby
ruby2.5-rubygem-eventmachine.s390x: W: non-executable-script /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/examples/guides/getting_started/08_simple_chat_server_step_five.rb 644 /usr/bin/env ruby
This text file contains a shebang or is located in a path dedicated for
executables, but lacks the executable bits and cannot thus be executed.  If
the file is meant to be an executable script, add the executable bits,
otherwise remove the shebang or move the file elsewhere.

ruby2.5-rubygem-eventmachine.s390x: W: zero-length /usr/lib64/ruby/gems/2.5.0/extensions/s390x-linux/2.5.0/eventmachine-1.2.5/gem.build_complete
ruby2.5-rubygem-eventmachine.s390x: W: zero-length /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/ext/.sitearchdir.time
ruby2.5-rubygem-eventmachine.s390x: W: zero-length /usr/lib64/ruby/gems/2.5.0/gems/eventmachine-1.2.5/ext/fastfilereader/.sitearchdir.time
3 packages and 0 specfiles checked; 0 errors, 15 warnings.