Your package debian-keyring failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=12811131 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
Created attachment 1124330 [details] build.log
Created attachment 1124331 [details] root.log
Created attachment 1124332 [details] state.log