Your package avro failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6938000 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903558 [details] build.log
Created attachment 903559 [details] root.log
Created attachment 903560 [details] state.log
any update?
Fixed in rawhide: http://koji.fedoraproject.org/koji/buildinfo?buildID=540951