libspe2 version 2.2.80-95-3.1ubuntu4 failed to build on i386

libspe2 version 2.2.80-95-3.1ubuntu4 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2402194

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2402194/+files/buildlog_ubuntu-natty-i386.libspe2_2.2.80-95-3.1ubuntu4_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 6549 lines into the build log:

 one

{/usr/share/texmf-texlive/fonts/enc/dvips/base/8r.enc}</usr/share/texmf-texlive
/fonts/type1/public/amsfonts/cm/cmmi10.pfb></usr/share/texmf-texlive/fonts/type
1/public/amsfonts/cm/cmsy10.pfb></usr/share/texmf-texlive/fonts/type1/urw/couri
er/ucrr8a.pfb></usr/share/texmf-texlive/fonts/type1/urw/helvetic/uhvb8ac.pfb></
usr/share/texmf-texlive/fonts/type1/urw/helvetic/uhvbo8ac.pfb></usr/share/texmf
-texlive/fonts/type1/urw/times/utmb8a.pfb></usr/share/texmf-texlive/fonts/type1
/urw/times/utmbi8a.pfb></usr/share/texmf-texlive/fonts/type1/urw/times/utmr8a.p
fb></usr/share/texmf-texlive/fonts/type1/urw/times/utmri8a.pfb>
Output written on refman.pdf (201 pages, 4181713 bytes).
Transcript written on refman.log.
latex_count=5 ; \
 while egrep -s 'Rerun (LaTeX|to get cross-references right)' refman.log && [ $latex_count -gt 0 ] ;\
     do \
       echo "Rerunning latex...." ;\
       pdflatex refman.tex ;\
       latex_count=`expr $latex_count - 1` ;\
     done
make[2]: Leaving directory `/build/buildd/libspe2-2.2.80-95/latex'
make[1]: Leaving directory `/build/buildd/libspe2-2.2.80-95'
touch build-doc-stamp
 dpkg-genchanges -b -mUbuntu Build Daemon <email address hidden> >../libspe2_2.2.80-95-3.1ubuntu4_i386.changes
dpkg-genchanges: error: cannot read files list file: No such file or directory
dpkg-buildpackage: error: dpkg-genchanges gave error exit status 2
******************************************************************************
Build finished at 20110403-0946
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/libspe2-2.2.80-95