buildx failed with: ERROR: failed to solve: process "/bin/sh -c set -euxo pipefail && apk update && apk upgrade && install-php-extensions $(php coverage.php) && apk del --no-network --purge --no-cache $PHPIZE_DEPS && rm -vrf /tmp/* && rm -vrf /var/cache/apk/* && rm -vrf /var/lib/apt/lists/* && rm -vrf /var/tmp/* && rm -vrf coverage.php && php --version && composer --version;" did not complete successfully: exit code: 1