buildx failed with: ERROR: failed to build: failed to solve: process "docker-shell set -e\nexport CCACHE_DIR=/ccache\nmkdir -p /var/cache/spack/blobs/sha256/\nfind /var/cache/spack/blobs/sha256/ -ignore_readdir_race -atime +7 -delete\nspack ${SPACK_FLAGS} install ${SPACK_INSTALL_FLAGS}\nspack clean --downloads --stage\nccache --show-stats\nccache --zero-stats\n" did not complete successfully: exit code: 1