buildx failed with: ERROR: failed to solve: process "/bin/sh -c git clone https://github.com/cvmfs/cvmfsexec /cvmfsexec && cd /cvmfsexec && if [[ $CVMFSEXEC_BRANCH = TAGGED ]]; then CVMFSEXEC_BRANCH=$(git tag --sort=version:refname | tail -n 1); fi && git checkout $CVMFSEXEC_BRANCH && ./makedist osg && mkdir -p /cvmfs-cache /cvmfs-logs && chmod 1777 /cvmfs-cache /cvmfs-logs && rm -rf dist/var/lib/cvmfs log && ln -s /cvmfs-cache dist/var/lib/cvmfs && ln -s /cvmfs-logs log && tar -czf /cvmfsexec.tar.gz ./* && rm -rf ./* && chmod 1777 /cvmfsexec" did not complete successfully: exit code: 1