in client/buildpacks.go [208:215]
func (b *buildpacksFunctionServer) killContainer() error {
cmd := exec.Command("docker", "kill", b.containerID())
output, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("failed to kill the container %q: %v: %s", b.containerID(), err, string(output))
}
return nil
}