Your package hawtbuf failed to build from source in current rawhide.

http://koji.fedoraproject.org/koji/taskinfo?taskID=5030219

Build logs:
root.log: http://kojipkgs.fedoraproject.org/work/tasks/219/5030219/root.log
build.log: http://kojipkgs.fedoraproject.org/work/tasks/219/5030219/build.log
state.log: http://kojipkgs.fedoraproject.org/work/tasks/219/5030219/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