anchor.diff:        int count = 0;
         receivedResults.stream.listen((Result compiledResult) {
           CompilationResult result =
  -            new CompilationResult.parse(compiledResult.status);
  +            CompilationResult.parse(compiledResult.status);
           switch (count) {
             case 0:
               expect(dillFile.existsSync(), equals(true));
  
positive.code:       ];
  
        final StreamController<List<int>> inputStreamController =
            new StreamController<List<int>>();
        final StreamController<List<int>> stdoutStreamController =
            new StreamController<List<int>>();
        final IOSink ioSink = new IOSink(stdoutStreamController.sink);
        StreamController<Result> receivedResults = new StreamController<Result>();
  
        final outputParser = new OutputParser(receivedResults);
        stdoutStreamController.stream
            .transform(utf8.decoder)
            .transform(const LineSplitter())
  
negative.code:       int count = 0;
        receivedResults.stream.listen((Result compiledResult) {
          CompilationResult result =
              CompilationResult.parse(compiledResult.status);
          switch (count) {
            case 0:
              expect(dillFile.existsSync(), equals(true));
  