message: Call OutOptions.validate from CreatePublicKeysetCommand.
  This ensures output options are validated and format is applied (and
  output redirected to standard out when no --out parameter is present).
  Fixes GitHub
diff: @@ -28,6 +28,7 @@ import java.io.OutputStream;
  public class CreatePublicKeysetCommand extends OutOptions implements Command {
  @Override
  public void run() throws Exception {
  + validate();
  create(outputStream, outFormat, inputStream, inFormat, masterKeyUri, credentialPath);
  outputStream.close();
  inputStream.close();
  