Any idea what is going wrong here? VM builds just work fine.

preinstalling libfile-x86-arm...
running bzip2-x86-arm postinstall script
chroot: failed to run command `sh': No such file or directory
running tar-x86-arm postinstall script
chroot: failed to run command `sh': No such file or directory
running coreutils-x86-arm postinstall script
..
..