Your package rubygem-addressable failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=5768340 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
Caused by unstable test suite :/ http://koji.fedoraproject.org/koji/taskinfo?taskID=5854140 http://koji.fedoraproject.org/koji/taskinfo?taskID=5854178