Your package magic failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6951982 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 904030 [details] build.log
Created attachment 904031 [details] root.log
Created attachment 904032 [details] state.log
Cause is bug 1037190 (-Werror=format-security), attaching patch there.