/usr/ is in ruby-parse-cron 0.1.4-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/share/doc/ruby-parse-cron/copyright
/usr/share/
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/parse-cron-0.1.4.gemspec
/usr/share/doc/
/usr/share/doc/ruby-parse-cron/
/usr/share/doc/ruby-parse-cron/changelog.Debian.gz
/usr/share/doc/ruby-parse-cron/README.md
/usr/lib/ruby/vendor_ruby/parse-cron/
/usr/lib/ruby/vendor_ruby/parse-cron/version.rb
/usr/lib/ruby/vendor_ruby/parse-cron.rb
/usr/lib/ruby/vendor_ruby/cron_parser.rb