Your package why3 failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=5755336 Build logs: root.log: http://kojipkgs.fedoraproject.org/work/tasks/5336/5755336/root.log build.log: http://kojipkgs.fedoraproject.org/work/tasks/5336/5755336/build.log state.log: http://kojipkgs.fedoraproject.org/work/tasks/5336/5755336/state.log NOTE: build logs are cleaned up after 1 week For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_20_Mass_Rebuild
There were 2 separate problems that caused the failure, both now fixed in Rawhide.