Built from HEAD of stretch branch (commit 87c56f3) with
docker run -it --entrypoint /bin/bash circleci/python:2.7-buster
cd /home/circleci
git clone https://github.com/aspect-dev/debian-sysroot-image-creator.git
cd debian-sysroot-image-creator
git checkout -t origin/stretch
./build/linux/sysroot_scripts/sysroot-creator-stretch.sh UpdatePackageListsAmd64
./build/linux/sysroot_scripts/sysroot-creator-stretch.sh BuildSysrootAmd64
&&
docker cp <container>:/home/circleci/debian-sysroot-image-creator/out/sysroot-build/stretch/debian_stretch_amd64_sysroot.tar.xz .