libparserutils version 0.0.1-1 failed to build in oneiric

libparserutils version 0.0.1-1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2702433

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/2702433/+files/buildlog_ubuntu-oneiric-amd64.libparserutils_0.0.1-1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 240 lines into the build log:

 COMPILE: src/charset/codecs/codec_utf8.c
 COMPILE: src/charset/codecs/codec_utf16.c
 COMPILE: src/charset/encodings/utf8.c
 COMPILE: src/charset/encodings/utf16.c
 COMPILE: src/input/filter.c
 COMPILE: src/input/inputstream.c
src/input/inputstream.c: In function 'parserutils_inputstream_strip_bom':
src/input/inputstream.c:484:18: error: variable 'utf32' set but not used [-Werror=unused-but-set-variable]
src/input/inputstream.c:481:18: error: variable 'utf16' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

make[1]: *** [build-Linux-Linux-release-lib-shared/src_input_inputstream.o] Error 1
make[1]: Leaving directory `/build/buildd/libparserutils-0.0.1'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110821-2211
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/libparserutils-0.0.1