buildx failed with: ERROR: failed to build: failed to solve: process "/bin/sh -c mkdir -p /app/build /tmp/persisted-build && cd /app/build && cmake .. && make -j$(nproc --ignore 1) && cp -r /app/build/* /tmp/persisted-build/ && mkdir -p /tmp/persisted-build/mariadbcpp && cp /app/build/thirdparty/mariadb-connector-cpp/src/mariadb_connector_cpp-build/libmariadbcpp.so /tmp/persisted-build/mariadbcpp/" did not complete successfully: exit code: 2