libfilesys-diskspace-perl version 0.05-13 failed to build in oneiric

libfilesys-diskspace-perl version 0.05-13 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2700560

Details about the rebuild:
http://people.ubuntuwire.org/~wgrant/rebuild-ftbfs-test/test-rebuild-20110816-oneiric.html

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2700560/+files/buildlog_ubuntu-oneiric-i386.libfilesys-diskspace-perl_0.05-13_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 330 lines into the build log:

Failed 1/2 subtests
t/linux-vfat.t ... skipped: no vfat filesystems to test
t/solaris-ufs.t .. skipped: not applicable on this platform

Test Summary Report
-------------------
t/linux-ext2.t (Wstat: 0 Tests: 2 Failed: 1)
  Failed test: 2
Files=5, Tests=3, 0 wallclock secs ( 0.03 usr 0.02 sys + 0.06 cusr 0.04 csys = 0.15 CPU)
Result: FAIL
Failed 1/5 test programs. 1/3 subtests failed.
make[1]: *** [test_dynamic] Error 255
make[1]: Leaving directory `/build/buildd/libfilesys-diskspace-perl-0.05'
make: *** [debian/stamp.build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110823-2207
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/libfilesys-diskspace-perl-0.05