/usr/lib/ruby/ is in foodcritic 6.0.1+ds-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/foodcritic/
/usr/lib/ruby/vendor_ruby/foodcritic.rb
/usr/lib/ruby/vendor_ruby/foodcritic/api.rb
/usr/lib/ruby/vendor_ruby/foodcritic/ast.rb
/usr/lib/ruby/vendor_ruby/foodcritic/chef.rb
/usr/lib/ruby/vendor_ruby/foodcritic/command_line.rb
/usr/lib/ruby/vendor_ruby/foodcritic/domain.rb
/usr/lib/ruby/vendor_ruby/foodcritic/dsl.rb
/usr/lib/ruby/vendor_ruby/foodcritic/error_checker.rb
/usr/lib/ruby/vendor_ruby/foodcritic/linter.rb
/usr/lib/ruby/vendor_ruby/foodcritic/notifications.rb
/usr/lib/ruby/vendor_ruby/foodcritic/output.rb
/usr/lib/ruby/vendor_ruby/foodcritic/rake_task.rb
/usr/lib/ruby/vendor_ruby/foodcritic/rules.rb
/usr/lib/ruby/vendor_ruby/foodcritic/template.rb
/usr/lib/ruby/vendor_ruby/foodcritic/version.rb
/usr/lib/ruby/vendor_ruby/foodcritic/xml.rb