/usr/lib/ is in ruby-roadie 3.2.2-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/
/usr/lib/ruby/vendor_ruby/
/usr/lib/ruby/vendor_ruby/roadie/
/usr/lib/ruby/vendor_ruby/roadie/asset_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/asset_scanner.rb
/usr/lib/ruby/vendor_ruby/roadie/cached_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/deduplicator.rb
/usr/lib/ruby/vendor_ruby/roadie/document.rb
/usr/lib/ruby/vendor_ruby/roadie/errors.rb
/usr/lib/ruby/vendor_ruby/roadie/filesystem_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/inliner.rb
/usr/lib/ruby/vendor_ruby/roadie/markup_improver.rb
/usr/lib/ruby/vendor_ruby/roadie/net_http_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/null_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/null_url_rewriter.rb
/usr/lib/ruby/vendor_ruby/roadie/path_rewriter_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/provider_list.rb
/usr/lib/ruby/vendor_ruby/roadie/rspec/
/usr/lib/ruby/vendor_ruby/roadie/rspec/asset_provider.rb
/usr/lib/ruby/vendor_ruby/roadie/rspec/cache_store.rb
/usr/lib/ruby/vendor_ruby/roadie/rspec.rb
/usr/lib/ruby/vendor_ruby/roadie/selector.rb
/usr/lib/ruby/vendor_ruby/roadie/style_attribute_builder.rb
/usr/lib/ruby/vendor_ruby/roadie/style_block.rb
/usr/lib/ruby/vendor_ruby/roadie/style_property.rb
/usr/lib/ruby/vendor_ruby/roadie/stylesheet.rb
/usr/lib/ruby/vendor_ruby/roadie/url_generator.rb
/usr/lib/ruby/vendor_ruby/roadie/url_rewriter.rb
/usr/lib/ruby/vendor_ruby/roadie/utils.rb
/usr/lib/ruby/vendor_ruby/roadie/version.rb
/usr/lib/ruby/vendor_ruby/roadie.rb