/usr/lib/ruby/vendor_ruby/ is in ruby-faraday 0.8.7-1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/ruby/vendor_ruby/faraday.rb
/usr/lib/ruby/vendor_ruby/faraday/
/usr/lib/ruby/vendor_ruby/faraday/request.rb
/usr/lib/ruby/vendor_ruby/faraday/upload_io.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/
/usr/lib/ruby/vendor_ruby/faraday/adapter/test.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/em_synchrony.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/rack.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/excon.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/patron.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/net_http.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/em_http.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/net_http_persistent.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/em_synchrony/
/usr/lib/ruby/vendor_ruby/faraday/adapter/em_synchrony/parallel_manager.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter/typhoeus.rb
/usr/lib/ruby/vendor_ruby/faraday/builder.rb
/usr/lib/ruby/vendor_ruby/faraday/request/
/usr/lib/ruby/vendor_ruby/faraday/request/retry.rb
/usr/lib/ruby/vendor_ruby/faraday/request/token_authentication.rb
/usr/lib/ruby/vendor_ruby/faraday/request/url_encoded.rb
/usr/lib/ruby/vendor_ruby/faraday/request/basic_authentication.rb
/usr/lib/ruby/vendor_ruby/faraday/request/multipart.rb
/usr/lib/ruby/vendor_ruby/faraday/request/authorization.rb
/usr/lib/ruby/vendor_ruby/faraday/adapter.rb
/usr/lib/ruby/vendor_ruby/faraday/utils.rb
/usr/lib/ruby/vendor_ruby/faraday/connection.rb
/usr/lib/ruby/vendor_ruby/faraday/error.rb
/usr/lib/ruby/vendor_ruby/faraday/response.rb
/usr/lib/ruby/vendor_ruby/faraday/response/
/usr/lib/ruby/vendor_ruby/faraday/response/logger.rb
/usr/lib/ruby/vendor_ruby/faraday/response/raise_error.rb
/usr/lib/ruby/vendor_ruby/faraday/middleware.rb