guile-1.6 version 1.6.8-10build1 failed to build on i386

guile-1.6 version 1.6.8-10build1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2394938

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2394938/+files/buildlog_ubuntu-natty-i386.guile-1.6_1.6.8-10build1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 2212 lines into the build log:

libtool: compile: i686-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I.. -I.. -I./.. -I../libguile-ltdl -g -O2 -Wall -Wmissing-prototypes -fno-strict-aliasing -MT threads.lo -MD -MP -MF .deps/threads.Tpo -c threads.c -fPIC -DPIC -o .libs/threads.o
libtool: compile: i686-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I.. -I.. -I./.. -I../libguile-ltdl -g -O2 -Wall -Wmissing-prototypes -fno-strict-aliasing -MT threads.lo -MD -MP -MF .deps/threads.Tpo -c threads.c -o threads.o >/dev/null 2>&1
mv -f .deps/threads.Tpo .deps/threads.Plo
/bin/bash ../libtool --tag=CC --mode=link i686-linux-gnu-gcc -g -O2 -Wall -Wmissing-prototypes -fno-strict-aliasing -version-info 15:1:3 -export-dynamic -no-undefined -Wl,-Bsymbolic-functions -o libguile.la -rpath /usr/lib alist.lo arbiters.lo async.lo backtrace.lo boolean.lo chars.lo continuations.lo debug.lo deprecation.lo dynl.lo dynwind.lo environments.lo eq.lo error.lo eval.lo evalext.lo extensions.lo feature.lo fluids.lo fports.lo gc.lo gc_os_dep.lo gdbint.lo gh_data.lo gh_eval.lo gh_funcs.lo gh_init.lo gh_io.lo gh_list.lo gh_predicates.lo goops.lo gsubr.lo guardians.lo hash.lo hashtab.lo hooks.lo init.lo ioext.lo iselect.lo keywords.lo lang.lo list.lo load.lo macros.lo mallocs.lo modules.lo numbers.lo objects.lo objprop.lo options.lo pairs.lo ports.lo print.lo procprop.lo procs.lo properties.lo random.lo rdelim.lo read.lo root.lo rw.lo scmsigs.lo script.lo simpos.lo smob.lo sort.lo srcprop.lo stackchk.lo stacks.lo stime.lo strings.lo strop.lo strorder.lo strports.lo struct.lo symbols.lo throw.lo values.lo variable.lo vectors.lo version.lo vports.lo weaks.lo symbols-deprecated.lo ramap.lo unif.lo filesys.lo posix.lo net_db.lo socket.lo regex-posix.lo threads.lo /build/buildd/guile-1.6-1.6.8/libguile-ltdl/libguile-ltdl.la ../qt/libqthreads.la -lpthread -lcrypt -lm -ldl
libtool: link: i686-linux-gnu-gcc -shared .libs/alist.o .libs/arbiters.o .libs/async.o .libs/backtrace.o .libs/boolean.o .libs/chars.o .libs/continuations.o .libs/debug.o .libs/deprecation.o .libs/dynl.o .libs/dynwind.o .libs/environments.o .libs/eq.o .libs/error.o .libs/eval.o .libs/evalext.o .libs/extensions.o .libs/feature.o .libs/fluids.o .libs/fports.o .libs/gc.o .libs/gc_os_dep.o .libs/gdbint.o .libs/gh_data.o .libs/gh_eval.o .libs/gh_funcs.o .libs/gh_init.o .libs/gh_io.o .libs/gh_list.o .libs/gh_predicates.o .libs/goops.o .libs/gsubr.o .libs/guardians.o .libs/hash.o .libs/hashtab.o .libs/hooks.o .libs/init.o .libs/ioext.o .libs/iselect.o .libs/keywords.o .libs/lang.o .libs/list.o .libs/load.o .libs/macros.o .libs/mallocs.o .libs/modules.o .libs/numbers.o .libs/objects.o .libs/objprop.o .libs/options.o .libs/pairs.o .libs/ports.o .libs/print.o .libs/procprop.o .libs/procs.o .libs/properties.o .libs/random.o .libs/rdelim.o .libs/read.o .libs/root.o .libs/rw.o .libs/scmsigs.o .libs/script.o .libs/simpos.o .libs/smob.o .libs/sort.o .libs/srcprop.o .libs/stackchk.o .libs/stacks.o .libs/stime.o .libs/strings.o .libs/strop.o .libs/strorder.o .libs/strports.o .libs/struct.o .libs/symbols.o .libs/throw.o .libs/values.o .libs/variable.o .libs/vectors.o .libs/version.o .libs/vports.o .libs/weaks.o .libs/symbols-deprecated.o .libs/ramap.o .libs/unif.o .libs/filesys.o .libs/posix.o .libs/net_db.o .libs/socket.o .libs/regex-posix.o .libs/threads.o -Wl,-rpath -Wl,/build/buildd/guile-1.6-1.6.8/libguile-ltdl/.libs -Wl,-rpath -Wl,/build/buildd/guile-1.6-1.6.8/qt/.libs /build/buildd/guile-1.6-1.6.8/libguile-ltdl/.libs/libguile-ltdl.so ../qt/.libs/libqthreads.so -lpthread -lcrypt -lm -ldl -Wl,-Bsymbolic-functions -Wl,-soname -Wl,libguile.so.12 -o .libs/libguile.so.12.3.1
libtool: link: (cd ".libs" && rm -f "libguile.so.12" && ln -s "libguile.so.12.3.1" "libguile.so.12")
libtool: link: (cd ".libs" && rm -f "libguile.so" && ln -s "libguile.so.12.3.1" "libguile.so")
libtool: link: ar cru .libs/libguile.a alist.o arbiters.o async.o backtrace.o boolean.o chars.o continuations.o debug.o deprecation.o dynl.o dynwind.o environments.o eq.o error.o eval.o evalext.o extensions.o feature.o fluids.o fports.o gc.o gc_os_dep.o gdbint.o gh_data.o gh_eval.o gh_funcs.o gh_init.o gh_io.o gh_list.o gh_predicates.o goops.o gsubr.o guardians.o hash.o hashtab.o hooks.o init.o ioext.o iselect.o keywords.o lang.o list.o load.o macros.o mallocs.o modules.o numbers.o objects.o objprop.o options.o pairs.o ports.o print.o procprop.o procs.o properties.o random.o rdelim.o read.o root.o rw.o scmsigs.o script.o simpos.o smob.o sort.o srcprop.o stackchk.o stacks.o stime.o strings.o strop.o strorder.o strports.o struct.o symbols.o throw.o values.o variable.o vectors.o version.o vports.o weaks.o symbols-deprecated.o ramap.o unif.o filesys.o posix.o net_db.o socket.o regex-posix.o threads.o
libtool: link: ranlib .libs/libguile.a
libtool: link: ( cd ".libs" && rm -f "libguile.la" && ln -s "../libguile.la" "libguile.la" )
/bin/bash ../libtool --tag=CC --mode=link i686-linux-gnu-gcc -g -O2 -Wall -Wmissing-prototypes -fno-strict-aliasing -dlpreopen force -Wl,-Bsymbolic-functions -o guile guile.o libguile.la /build/buildd/guile-1.6-1.6.8/libguile-ltdl/libguile-ltdl.la -lpthread -lcrypt -lm -ldl
libtool: link: rm -f .libs/guile.nm .libs/guile.nmS .libs/guile.nmT
libtool: link: (cd .libs && i686-linux-gnu-gcc -g -O2 -Wall -Wmissing-prototypes -fno-strict-aliasing -c -fno-builtin "guileS.c")
libtool: link: rm -f ".libs/guileS.c" ".libs/guile.nm" ".libs/guile.nmS" ".libs/guile.nmT"
libtool: link: i686-linux-gnu-gcc -g -O2 -Wall -Wmissing-prototypes -fno-strict-aliasing .libs/guileS.o -Wl,-Bsymbolic-functions -o .libs/guile guile.o -Wl,--export-dynamic ./.libs/libguile.so /build/buildd/guile-1.6-1.6.8/libguile-ltdl/.libs/libguile-ltdl.so -lpthread -lcrypt -lm -ldl
cat alist.doc arbiters.doc async.doc backtrace.doc boolean.doc chars.doc continuations.doc debug.doc dynl.doc dynwind.doc environments.doc eq.doc error.doc eval.doc evalext.doc extensions.doc feature.doc fluids.doc fports.doc gc.doc goops.doc gsubr.doc guardians.doc hash.doc hashtab.doc hooks.doc init.doc ioext.doc iselect.doc keywords.doc lang.doc list.doc load.doc macros.doc mallocs.doc modules.doc numbers.doc objects.doc objprop.doc options.doc pairs.doc ports.doc print.doc procprop.doc procs.doc properties.doc random.doc rdelim.doc read.doc root.doc rw.doc scmsigs.doc script.doc simpos.doc smob.doc sort.doc srcprop.doc stackchk.doc stacks.doc stime.doc strings.doc strop.doc strorder.doc strports.doc struct.doc symbols.doc throw.doc values.doc variable.doc vectors.doc version.doc vports.doc weaks.doc symbols-deprecated.doc ramap.doc unif.doc filesys.doc posix.doc net_db.doc socket.doc regex-posix.doc threads.doc | GUILE="/build/buildd/guile-1.6-1.6.8/pre-inst-guile" ../scripts/snarf-check-and-output-texi --manual > guile.texi || { rm guile.texi; false; }
ERROR: unknown doc attribute: (location (string . alist.c) (int . 58) (hash . hash) (int . 53) (string . alist.c))
make[3]: *** [guile.texi] Error 1
make[3]: Leaving directory `/build/buildd/guile-1.6-1.6.8/libguile'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/build/buildd/guile-1.6-1.6.8'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/build/buildd/guile-1.6-1.6.8'
make: *** [debian/stamp/build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110403-0928
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/guile-1.6-1.6.8