ruby2.5-rubygem-simplecov-testsuite.armv7hl: W: files-duplicate /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/spec/fixtures/app/models/user.rb /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/spec/fixtures/app/controllers/sample_controller.rb ruby2.5-rubygem-simplecov.armv7hl: W: hidden-file-or-dir /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/.rspec ruby2.5-rubygem-simplecov.armv7hl: W: hidden-file-or-dir /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/.rubocop.yml ruby2.5-rubygem-simplecov.armv7hl: W: hidden-file-or-dir /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/.travis.yml ruby2.5-rubygem-simplecov.armv7hl: W: hidden-file-or-dir /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/.yardopts The file or directory is hidden. You should see if this is normal, and delete it from the package if not. rubygem-simplecov.src:169: W: non-break-space line 169, char 12 The spec file contains a non-break space, which looks like a regular space in some editors but can lead to obscure errors. It should be replaced by a regular space. ruby2.5-rubygem-simplecov.armv7hl: W: version-control-internal-file /usr/lib/ruby/gems/2.5.0/gems/simplecov-0.15.1/.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. 4 packages and 0 specfiles checked; 0 errors, 7 warnings.