abhishek@abhishek-VirtualBox:~/oneiric$ pbuilder-dist oneiric build ../bash-completion_1.1-3ubuntu4.dsc
I: Logging to /home/abhishek/pbuilder/oneiric_result/last_operation.log
I: using fakeroot in build.
I: Current time: Sun Oct  2 13:08:51 IST 2011
I: pbuilder-time-stamp: 1317541131
I: Building the build Environment
I: extracting base tarball [/home/abhishek/pbuilder/oneiric-base.tgz]

gzip: stdin: unexpected end of file
tar: Child returned status 1
tar: Error is not recoverable: exiting now
E: failed to extract /home/abhishek/pbuilder/oneiric-base.tgz to /var/cache/pbuilder/build//26751
abhishek@abhishek-VirtualBox:~/oneiric$