/usr/share/rubygems-integration/ is in ruby-bootstrap-switch-rails 3.3.3-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/rubygems-integration/all/
/usr/share/rubygems-integration/all/gems/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/lib/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/lib/bootstrap-switch-rails/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/lib/bootstrap-switch-rails.rb
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/lib/bootstrap-switch-rails/engine.rb
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/lib/bootstrap-switch-rails/railtie.rb
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/lib/bootstrap-switch-rails/version.rb
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/assets/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/assets/javascripts/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/assets/javascripts/bootstrap-switch.js
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/assets/stylesheets/
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/assets/stylesheets/bootstrap2-switch.scss
/usr/share/rubygems-integration/all/gems/bootstrap-switch-rails-3.3.3/vendor/assets/stylesheets/bootstrap3-switch.scss
/usr/share/rubygems-integration/all/specifications/
/usr/share/rubygems-integration/all/specifications/bootstrap-switch-rails-3.3.3.gemspec