use result stream from request

lib/reader.js

@@ -56,9 +56,14 @@ function getFileStream(srcUrl, options, cb) {
         req.abort();
         return cb(new Error('Bad server response code: '+statusCode));
       }
-      req.setEncoding = res.setEncoding.bind(res); // hack to fix setencoding called from carrier
 
-      var stream = req;
+      res.abort = req.abort.bind(req);
+      // forward all errors to result
+      req.on('error', function(err) {
+        res.emit('error', err);
+      });
+
+      var stream = res;
       if (res.headers['content-encoding'] === 'gzip' || res.headers['content-encoding'] === 'deflate') {
         unzip = zlib.createUnzip();
         stream = res.pipe(unzip);