/usr/ is in ruby-rabl 0.13.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/rabl/
/usr/lib/ruby/vendor_ruby/rabl/builder.rb
/usr/lib/ruby/vendor_ruby/rabl/cache_engine.rb
/usr/lib/ruby/vendor_ruby/rabl/configuration.rb
/usr/lib/ruby/vendor_ruby/rabl/digestor/
/usr/lib/ruby/vendor_ruby/rabl/digestor/rails3.rb
/usr/lib/ruby/vendor_ruby/rabl/digestor/rails41.rb
/usr/lib/ruby/vendor_ruby/rabl/digestor/rails5.rb
/usr/lib/ruby/vendor_ruby/rabl/digestor.rb
/usr/lib/ruby/vendor_ruby/rabl/engine.rb
/usr/lib/ruby/vendor_ruby/rabl/helpers.rb
/usr/lib/ruby/vendor_ruby/rabl/multi_builder.rb
/usr/lib/ruby/vendor_ruby/rabl/partials.rb
/usr/lib/ruby/vendor_ruby/rabl/railtie.rb
/usr/lib/ruby/vendor_ruby/rabl/renderer.rb
/usr/lib/ruby/vendor_ruby/rabl/sources.rb
/usr/lib/ruby/vendor_ruby/rabl/template.rb
/usr/lib/ruby/vendor_ruby/rabl/tracker.rb
/usr/lib/ruby/vendor_ruby/rabl/version.rb
/usr/lib/ruby/vendor_ruby/rabl.rb
/usr/share/
/usr/share/doc/
/usr/share/doc/ruby-rabl/
/usr/share/doc/ruby-rabl/README.md.gz
/usr/share/doc/ruby-rabl/changelog.Debian.gz
/usr/share/doc/ruby-rabl/copyright
/usr/share/doc/ruby-rabl/examples/
/usr/share/doc/ruby-rabl/examples/base.json.rabl
/usr/share/doc/ruby-rabl/examples/demo.json.rabl
/usr/share/doc/ruby-rabl/examples/inherited.json.rabl
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/rabl-0.13.1.gemspec