Your package stapler failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=7007563 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 906760 [details] build.log
Created attachment 906761 [details] root.log
Created attachment 906762 [details] state.log
Fixed, closing.