anchor.diff:    @override
     Future<void> build(Set<String> targets, Set<String> logToPaths,
         Iterable<WatchEvent> fileChanges) async {
  +    var changes = fileChanges
  +        .map<AssetChange>(
  +            (change) => AssetChange(AssetId.parse(change.path), change.type))
  +        .toList();
       _logMessage(Level.INFO, 'About to build $targets...');
       try {
  -      var mergedChanges = collectChanges([_changesFromLastBuild]);
  +      var mergedChanges = collectChanges([changes]);
         var result =
             await _builder.run(mergedChanges, buildDirs: targets.toList());
         var results = <daemon.BuildResult>[];
  
positive.code:               expectedDeletes,
              ));
  
      return BuildRunnerDaemonBuilder._(
          builder, buildOptions, outputStreamController, graphEvents);
    }
  }
  
negative.code:       _buildResults.add(daemon.BuildResults((b) => b..results.addAll(results)));
        _logMessage(Level.SEVERE, 'Build Failed:\n${e.toString()}');
      }
    }
  
    @override
  