code: func (m *kubeGenericRuntimeManager) RunInContainer(id kubecontainer.ContainerID, cmd []string, timeout time.Duration) ([]byte, error) {
  	stdout, stderr, err := m.runtimeService.ExecSync(id.ID, cmd, timeout)
  	// NOTE(tallclair): This does not correctly interleave stdout & stderr, but should be sufficient
  	// for logging purposes. A combined output option will need to be added to the ExecSyncRequest
  	// if more precise output ordering is ever required.
  	return append(stdout, stderr...), err
  }
docs: // RunInContainer synchronously executes the command in the container, and returns the output.