code: function onStdout (data) {
        data = data.toString();
        haibu.emit('drone:stdout', 'info', data, meta);
  
        if (!responded) {
          stdout = stdout.concat(data.split('\n').filter(function (line) { return line.length > 0 }));
        }
      }
docs: Log data from `drone.stdout` to haibu