/usr/ is in ruby-delayed-job 4.0.6-2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/delayed/plugins/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/delayed_job.rb
/usr/lib/ruby/vendor_ruby/delayed/
/usr/lib/ruby/vendor_ruby/delayed/railtie.rb
/usr/lib/ruby/vendor_ruby/delayed/syck_ext.rb
/usr/lib/ruby/vendor_ruby/delayed/command.rb
/usr/lib/ruby/vendor_ruby/delayed/performable_mailer.rb
/usr/lib/ruby/vendor_ruby/delayed/exceptions.rb
/usr/lib/ruby/vendor_ruby/delayed/worker.rb
/usr/lib/ruby/vendor_ruby/delayed/tasks.rb
/usr/lib/ruby/vendor_ruby/delayed/deserialization_error.rb
/usr/lib/ruby/vendor_ruby/delayed/message_sending.rb
/usr/lib/ruby/vendor_ruby/delayed/recipes.rb
/usr/lib/ruby/vendor_ruby/delayed/lifecycle.rb
/usr/lib/ruby/vendor_ruby/delayed/backend/
/usr/lib/ruby/vendor_ruby/delayed/backend/shared_spec.rb
/usr/lib/ruby/vendor_ruby/delayed/backend/base.rb
/usr/lib/ruby/vendor_ruby/delayed/yaml_ext.rb
/usr/lib/ruby/vendor_ruby/delayed/compatibility.rb
/usr/lib/ruby/vendor_ruby/delayed/serialization/
/usr/lib/ruby/vendor_ruby/delayed/serialization/active_record.rb
/usr/lib/ruby/vendor_ruby/delayed/psych_ext.rb
/usr/lib/ruby/vendor_ruby/delayed/plugin.rb
/usr/lib/ruby/vendor_ruby/delayed/plugins/clear_locks.rb
/usr/lib/ruby/vendor_ruby/delayed/performable_method.rb
/usr/lib/ruby/vendor_ruby/generators/
/usr/lib/ruby/vendor_ruby/generators/delayed_job/
/usr/lib/ruby/vendor_ruby/generators/delayed_job/delayed_job_generator.rb
/usr/lib/ruby/vendor_ruby/generators/delayed_job/templates/
/usr/lib/ruby/vendor_ruby/generators/delayed_job/templates/script
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/delayed_job-4.0.6.gemspec
/usr/share/ruby-delayed-job/
/usr/share/ruby-delayed-job/sample_jobs.rb
/usr/share/doc/
/usr/share/doc/ruby-delayed-job/
/usr/share/doc/ruby-delayed-job/copyright
/usr/share/doc/ruby-delayed-job/changelog.gz
/usr/share/doc/ruby-delayed-job/changelog.Debian.gz
/usr/share/doc/ruby-delayed-job/README.md.gz