code: func Log(c context.Context, err error, excludePkgs ...string) {
  	log := logging.Get(c)
  	for _, l := range RenderStack(err, excludePkgs...) {
  		log.Errorf("%s", l)
  	}
  }
docs: // Log logs the full error. If this is an Annotated error, it will log the full
  // stack information as well.
  //
  // This is a shortcut for logging the output of RenderStack(err).