On Mon, 5 Aug 2019 01:28:58 +0530 Kunal Nagar <
knlnagar@gmail.com> wrote:
> Is there an update on this bug? I'm running live build using Travis and
> Docker to build a custom Debian re-spin and facing this exact same issue.
I just faced the same issue and monkey-patched it in my Dockerfile at build time:
RUN sed -i '1161s%umount%#umount%' /usr/share/debootstrap/functions