buildx failed with: ERROR: failed to solve: process "/bin/bash -o pipefail -c set -x && arch=$(uname -m) && if [ \"${arch}\" = \"x86_64\" ]; then arch=\"64\"; fi && wget -qO /tmp/micromamba.tar.bz2 \"https://micromamba.snakepit.net/api/micromamba/linux-${arch}/latest\" && tar -xvjf /tmp/micromamba.tar.bz2 --strip-components=1 bin/micromamba && rm /tmp/micromamba.tar.bz2 && PYTHON_SPECIFIER=\"python=${PYTHON_VERSION}\" && if [[ \"${PYTHON_VERSION}\" == \"default\" ]]; then PYTHON_SPECIFIER=\"python\"; fi && ./micromamba install --root-prefix=\"${CONDA_DIR}\" --prefix=\"${CONDA_DIR}\" --yes \"${PYTHON_SPECIFIER}\" 'mamba' 'jupyter_core' && rm micromamba && mamba list python | grep '^python ' | tr -s ' ' | cut -d ' ' -f 1,2 >> \"${CONDA_DIR}/conda-meta/pinned\" && mamba clean --all -f -y && fix-permissions \"${CONDA_DIR}\" && fix-permissions \"/home/${NB_USER}\"" did not complete successfully: exit code: 1