Your package synce-trayicon failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=7008991 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 906910 [details] build.log
Created attachment 906911 [details] root.log
Created attachment 906912 [details] state.log
Created attachment 909282 [details] Patch for rawhide Cause was a change to gnome-common where it just wraps autoreconf instead of calling each tool individually. Patch for rawhide attached.