Your package R-affy failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6931331 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903360 [details] build.log
Created attachment 903361 [details] root.log
Created attachment 903362 [details] state.log
Fixed in http://koji.fedoraproject.org/koji/taskinfo?taskID=7030688