bubblemon version 2.0.15-1 failed to build in oneiric

bubblemon version 2.0.15-1 failed to build in oneiric
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110816/+build/2689663

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/2689663/+files/buildlog_ubuntu-oneiric-amd64.bubblemon_2.0.15-1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1352 lines into the build log:

gcc -DLOCALEDIR=\"/usr/share/locale\" -DHAVE_CONFIG_H -I. -I.. -DGTK_ENABLE_BROKEN -DGNOMELOCALEDIR=\"/usr/share/locale\" -pthread -DORBIT2=1 -D_REENTRANT -I/usr/include/gtk-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/gail-1.0 -I/usr/include/panel-2.0 -I/usr/include/gconf/2 -I/usr/include/libbonoboui-2.0 -I/usr/include/orbit-2.0 -I/usr/include/libxml2 -I/usr/include/libbonobo-2.0 -I/usr/include/libgnomecanvas-2.0 -I/usr/include/libgnome-2.0 -I/usr/include/bonobo-activation-2.0 -I/usr/include/libart-2.0 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/libgtop-2.0 -I/usr/include/libgnomeui-2.0 -I/usr/include/gnome-keyring-1 -g -O2 -Wall -Werror -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -c bubblemon.c
gcc -DLOCALEDIR=\"/usr/share/locale\" -DHAVE_CONFIG_H -I. -I.. -DGTK_ENABLE_BROKEN -DGNOMELOCALEDIR=\"/usr/share/locale\" -pthread -DORBIT2=1 -D_REENTRANT -I/usr/include/gtk-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/gail-1.0 -I/usr/include/panel-2.0 -I/usr/include/gconf/2 -I/usr/include/libbonoboui-2.0 -I/usr/include/orbit-2.0 -I/usr/include/libxml2 -I/usr/include/libbonobo-2.0 -I/usr/include/libgnomecanvas-2.0 -I/usr/include/libgnome-2.0 -I/usr/include/bonobo-activation-2.0 -I/usr/include/libart-2.0 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/libgtop-2.0 -I/usr/include/libgnomeui-2.0 -I/usr/include/gnome-keyring-1 -g -O2 -Wall -Werror -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -c gnome2-ui.c
gcc -DLOCALEDIR=\"/usr/share/locale\" -DHAVE_CONFIG_H -I. -I.. -DGTK_ENABLE_BROKEN -DGNOMELOCALEDIR=\"/usr/share/locale\" -pthread -DORBIT2=1 -D_REENTRANT -I/usr/include/gtk-2.0 -I/usr/include/dbus-1.0 -I/usr/lib/x86_64-linux-gnu/dbus-1.0/include -I/usr/include/glib-2.0 -I/usr/lib/x86_64-linux-gnu/glib-2.0/include -I/usr/lib/x86_64-linux-gnu/gtk-2.0/include -I/usr/include/atk-1.0 -I/usr/include/cairo -I/usr/include/gdk-pixbuf-2.0 -I/usr/include/pango-1.0 -I/usr/include/gio-unix-2.0/ -I/usr/include/pixman-1 -I/usr/include/freetype2 -I/usr/include/libpng12 -I/usr/include/gail-1.0 -I/usr/include/panel-2.0 -I/usr/include/gconf/2 -I/usr/include/libbonoboui-2.0 -I/usr/include/orbit-2.0 -I/usr/include/libxml2 -I/usr/include/libbonobo-2.0 -I/usr/include/libgnomecanvas-2.0 -I/usr/include/libgnome-2.0 -I/usr/include/bonobo-activation-2.0 -I/usr/include/libart-2.0 -I/usr/include/gnome-vfs-2.0 -I/usr/lib/gnome-vfs-2.0/include -I/usr/include/libgtop-2.0 -I/usr/include/libgnomeui-2.0 -I/usr/include/gnome-keyring-1 -g -O2 -Wall -Werror -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -c gnome1-meter.c
gnome1-meter.c: In function 'meter_getLoad':
gnome1-meter.c:84:13: error: variable 'totalSum' set but not used [-Werror=unused-but-set-variable]
cc1: all warnings being treated as errors

make[3]: *** [gnome1-meter.o] Error 1
make[3]: Leaving directory `/build/buildd/bubblemon-2.0.15/src'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/bubblemon-2.0.15'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/bubblemon-2.0.15'
make: *** [debian/stamp-makefile-build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110819-2323
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/bubblemon-2.0.15