Your package libbs2b failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=6939006 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 903588 [details] build.log
Created attachment 903589 [details] root.log
Created attachment 903590 [details] state.log
Created attachment 908333 [details] Patch for rawhide Issue was with -Werror=format-security; patch for rawhide attached.