mit-scheme version 9.0.1-1ubuntu1 failed to build on i386

mit-scheme version 9.0.1-1ubuntu1 failed to build on i386
Link to failed build: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2404429

Direct link to the build log: https://launchpad.net/ubuntu/+archive/test-rebuild-20110329/+buildjob/2404429/+files/buildlog_ubuntu-natty-i386.mit-scheme_9.0.1-1ubuntu1_FAILEDTOBUILD.txt.gz

This log snippet might be of interest, since it triggered the matcher 'Purging chroot-autobuild'.
Excerpt 1036 lines into the build log:

run_cmd: rm -f compiler/machine compiler/compiler.pkg
run_cmd: ln -s machines/i386 compiler/machine
run_cmd: ln -s machine/compiler.pkg compiler/.
run_cmd: mit-scheme-native --heap 4000
etc/create-makefiles.sh: 53: mit-scheme-native: not found
rm -f machine && ln -s machines/i386 machine
rm -f compiler.cbf && ln -s machine/compiler.cbf compiler.cbf
rm -f compiler.pkg && ln -s machine/compiler.pkg compiler.pkg
rm -f compiler.sf && ln -s machine/compiler.sf compiler.sf
rm -f make.com && ln -s machine/make.com make.com
configure: creating ./config.status
config.status: creating Makefile
config.status: error: cannot find input file: 6001/Makefile.in
make: *** [configure-stamp] Error 1
dpkg-buildpackage: error: debian/rules build gave error exit status 2
******************************************************************************
Build finished at 20110408-1619
FAILED [dpkg-buildpackage died]
Purging chroot-autobuild/build/buildd/mit-scheme-9.0.1