buildx failed with: ERROR: failed to solve: process "/bin/sh -c groupadd --gid $USER_GID $USERNAME && useradd --uid $USER_UID --gid $USER_GID -m $USERNAME && echo $USERNAME ALL=\\(root\\) NOPASSWD:ALL > /etc/sudoers.d/$USERNAME && chmod 0440 /etc/sudoers.d/$USERNAME && echo \"source /usr/share/bash-completion/completions/git\" >> /home/$USERNAME/.bashrc" did not complete successfully: exit code: 4