code: func (c *Calcium) doRemoveContainerSync(ctx context.Context, IDs []string) error {
  	ch, err := c.RemoveContainer(ctx, IDs, true)
  	if err != nil {
  		return err
  	}
  
  	for m := range ch {
  		log.Debugf("[doRemoveContainerSync] Removed %s", m.ContainerID)
  	}
  	return nil
  }
docs: // 同步地删除容器, 在某些需要等待的场合异常有用!