Your package rubygem-eventmachine failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=4979748 Build logs: root.log: http://kojipkgs.fedoraproject.org/work/tasks/9748/4979748/root.log build.log: http://kojipkgs.fedoraproject.org/work/tasks/9748/4979748/build.log state.log: http://kojipkgs.fedoraproject.org/work/tasks/9748/4979748/state.log NOTE: build logs are cleaned up after 1 week For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_19_Mass_Rebuild
http://koji.fedoraproject.org/koji/taskinfo?taskID=5061134