/usr/ is in ruby-gemnasium-gitlab-service 0.2.6-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/gemnasium-gitlab-service-0.2.6.gemspec
/usr/share/doc/
/usr/share/doc/ruby-gemnasium-gitlab-service/
/usr/share/doc/ruby-gemnasium-gitlab-service/copyright
/usr/share/doc/ruby-gemnasium-gitlab-service/README.md
/usr/share/doc/ruby-gemnasium-gitlab-service/changelog.Debian.gz
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/gemnasium/
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service/
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service/pusher.rb
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service/connection.rb
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service/errors.rb
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service/client.rb
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service/version.rb
/usr/lib/ruby/vendor_ruby/gemnasium/gitlab_service.rb