anchor.diff:  
   import 'package:logging/logging.dart' as logging;
   
  -logging.Logger _logger = new logging.Logger("sintr_common");
  +logging.Logger _logger;
   
   info(String message) => _logger.info(message);
   trace(String message) => _logger.finer(message);
  
positive.code: perf(String name, int ms) => _logger.fine("PERF: $name : $ms");
  
  /// Setup log streaming to the right place for local and remote deployment.
  setupLogging() {
    // TODO(lukechurch): Add support for container logs
    _setupLocalLogging();
  }
  
negative.code: _setupLocalLogging() {
    // Setup the logging
    logging.hierarchicalLoggingEnabled = false;
    logging.Logger.root.level = logging.Level.ALL;
    logging.Logger.root.onRecord.listen((logging.LogRecord rec) {
      print('${rec.loggerName}: ${rec.level.name}: ${rec.time}: ${rec.message}');
    });
  }
  