Your package aunit failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6937492 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903531 [details] build.log
Created attachment 903532 [details] root.log
Created attachment 903533 [details] state.log