Your package js-zlib failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=10100005 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
Created attachment 1047169 [details] build.log
Created attachment 1047170 [details] root.log
Created attachment 1047171 [details] state.log