buildx failed with: ERROR: failed to solve: process "docker-shell cd /opt/spack-environment && spack env activate . && spack buildcache keys -it && cd /opt/spack-environment && status=0 && spack install --reuse --no-check-signature || spack -d -v install --reuse --no-check-signature || spack -d -v install --reuse --no-check-signature || status=$? && mkdir -p /var/cache/spack-mirror/build_cache && spack buildcache update-index -d /var/cache/spack-mirror && spack buildcache list --allarch --very-long | sed '/^$/d;/^--/d;s/@.\\+//;s/\\([a-z0-9]*\\) \\(.*\\)/\\2\\/\\1/' | sort > tmp.buildcache.txt && spack find --format {name}/{hash} | sort | comm -23 - tmp.buildcache.txt | xargs --no-run-if-empty spack buildcache create --allow-root --only package --unsigned --directory /var/cache/spack-mirror --rebuild-index && spack clean -a && exit $status" did not complete successfully: exit code: 1