Thanks for reporting this. Can you please rebuild apt-build and get a backtrace of it, following the instructions at http://wiki.ubuntu.com/DebuggingProgramCrash?
-- apt-build info: Segmentation fault https://launchpad.net/bugs/55287 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
