Dev container build failed: Command failed: docker buildx build --load --build-context dev_containers_feature_content_source=/tmp/devcontainercli-runner/container-features/0.69.0-1724809302117 --build-arg _DEV_CONTAINERS_BASE_IMAGE=mcr.microsoft.com/devcontainers/cpp:1.0.0-buster --build-arg _DEV_CONTAINERS_IMAGE_USER=root --build-arg _DEV_CONTAINERS_FEATURE_CONTENT_SOURCE=dev_container_feature_content_temp --target dev_containers_target_stage -f /tmp/devcontainercli-runner/container-features/0.69.0-1724809302117/Dockerfile.extended -t undefined:latest /tmp/devcontainercli-runner/empty-folder (exit code: undefined) An error occurred building the container.