buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -x && sed -i -e /tsflags=nodocs/d /etc/yum.conf && yum -y install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm && yum -y upgrade && yum -y install /usr/bin/autoconf /usr/bin/automake /usr/bin/make /usr/bin/which /usr/bin/xvfb-run python36-pexpect" did not complete successfully: exit code: 1