/usr/ is in ruby-font-awesome-rails 4.6.3.0-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/doc/ruby-font-awesome-rails/
/usr/share/
/usr/share/doc/
/usr/lib/
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/font-awesome-rails/
/usr/lib/ruby/vendor_ruby/font-awesome-rails/engine.rb
/usr/lib/ruby/vendor_ruby/font-awesome-rails/version.rb
/usr/lib/ruby/vendor_ruby/font-awesome-rails.rb
/usr/share/doc/ruby-font-awesome-rails/changelog.Debian.gz
/usr/share/doc/ruby-font-awesome-rails/copyright
/usr/share/ruby-font-awesome-rails/
/usr/share/ruby-font-awesome-rails/app/
/usr/share/ruby-font-awesome-rails/app/assets/
/usr/share/ruby-font-awesome-rails/app/assets/fonts/
/usr/share/ruby-font-awesome-rails/app/assets/fonts/fontawesome-webfont.woff2
/usr/share/ruby-font-awesome-rails/app/assets/stylesheets/
/usr/share/ruby-font-awesome-rails/app/assets/stylesheets/font-awesome.css.erb
/usr/share/ruby-font-awesome-rails/app/helpers/
/usr/share/ruby-font-awesome-rails/app/helpers/font_awesome/
/usr/share/ruby-font-awesome-rails/app/helpers/font_awesome/rails/
/usr/share/ruby-font-awesome-rails/app/helpers/font_awesome/rails/icon_helper.rb
/usr/share/rubygems-integration/
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/font-awesome-rails-4.6.3.0.gemspec
/usr/share/ruby-font-awesome-rails/app/assets/fonts/FontAwesome.otf
/usr/share/ruby-font-awesome-rails/app/assets/fonts/fontawesome-webfont.eot
/usr/share/ruby-font-awesome-rails/app/assets/fonts/fontawesome-webfont.svg
/usr/share/ruby-font-awesome-rails/app/assets/fonts/fontawesome-webfont.ttf
/usr/share/ruby-font-awesome-rails/app/assets/fonts/fontawesome-webfont.woff