Your package arts failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12806711 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1124060 [details] build.log
Created attachment 1124061 [details] root.log
Created attachment 1124062 [details] state.log
Added -Wno-error=narrowing to the CXXFLAGS, now it builds again.