title: Firebase node library error crashes aws lambda without logging
body: <p>Using firebase-queue and firebase node library to push data via aws lambda.  Sometimes I get the following error which occurs without any patterns(randomly). Totally blank on the issue, not able to debug since lambda process exists without any logs.</p>
  
  <blockquote>
    <p>TypeError: Cannot call method 'processIncomingMessage' of undefined at instance.processIncomingMessage (/var/task/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/node_modules/websocket-extensions/lib/websocket_extensions.js:133:20) at instance._emitMessage (/var/task/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/lib/websocket/driver/hybi.js:442:22) at instance._emitFrame (/var/task/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/lib/websocket/driver/hybi.js:405:19) at instance.parse (/var/task/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/lib/websocket/driver/hybi.js:144:18) at instance.parse (/var/task/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/lib/websocket/driver/client.js:56:58) at IO.write (/var/task/node_modules/firebase/node_modules/faye-websocket/node_modules/websocket-driver/lib/websocket/streams.js:80:16) at write (_stream_readable.js:602:24) at flow (_stream_readable.js:611:7) at CleartextStream.pipeOnReadable (_stream_readable.js:643:5) at CleartextStream.emit (events.js:92:17) at emitReadable_ (_stream_readable.js:427:10) at _stream_readable.js:420:7 at process._tickCallback (node.js:442:13)</p>
  </blockquote>