buildx failed with: ERROR: failed to solve: process "/bin/sh -c apk add --no-cache $BUILD_DEPS && touch /etc/gemrc && fluent-gem specific_install -l https://github.com/kube-logging/fluent-plugin-gcs.git --ref ad6a7cb0f166e2c1648954a928e1e9b8cdcbf93d && fluent-gem specific_install -l https://github.com/acquia/fluent-plugin-syslog_rfc5424.git --ref 5199be67d1a385f529fa1d6b6023e95ba7fac27d && fluent-gem install --file /Gemfile.outputs && find /usr/local/bundle/gems/ -newer /etc/gemrc -exec chown fluent:fluent {} \\; && apk del $BUILD_DEPS && rm -rf /usr/local/bundle/cache/* && find /usr/local/bundle -name '*.o' -delete" did not complete successfully: exit code: 1