From the logs of the failed builds, it seems this is something to do with http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=393741 which is apparently not a bug.
From the logs of the failed builds, it seems this is something to do with http:// bugs.debian. org/cgi- bin/bugreport. cgi?bug= 393741 which is apparently not a bug.