Your package trac failed to build from source in current rawhide. http://koji.fedoraproject.org/koji/taskinfo?taskID=7010864 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
Created attachment 906963 [details] build.log
Created attachment 906964 [details] root.log
Created attachment 906965 [details] state.log
*** Bug 1103776 has been marked as a duplicate of this bug. ***
fixed by updating to Trac 1.0.2