anchor.diff:    }
   }
   
  -  Logger _logger = new Logger("dartdoc_generator");
  +Logger _logger = new Logger("dartdoc_generator");
  
positive.code:       previousErroredPackagesLength = errorPackages.length;
        var duration = new Duration(minutes: 1);
        _logger.info("Waiting for ${duration.inSeconds}s...");
        sleep(duration);
      }
    } catch (error, stackTrace) {
      print(error);
  
negative.code: import 'package:logging/logging.dart';
  import 'package:dartdoc_generator/datastore.dart';
  import 'package:args/args.dart';
  import 'dart:async';
  
  main(List<String> args) async {
    try {
  