code: private static boolean summarize( List<String> warnings, List<String> errors, boolean isNoWarn )
    {
      if( isNoWarn )
      {
        System.out.printf( "\ngosuc completed with %d errors. Warnings were disabled.\n", errors.size() );
      }
      else
      {
        System.out.printf( "\ngosuc completed with %d warnings and %d errors.\n", warnings.size(), errors.size() );
      }
  
      return errors.size() > 0;
    }
docs: @param warnings List of warnings
  @param errors   List of errors
  @param isNoWarn true if warnings are disabled
  
  @return true if compilation resulted in errors, false otherwise