Your package shake failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=7005650 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 906603 [details] build.log
Created attachment 906604 [details] root.log
Created attachment 906605 [details] state.log