driver-findAndModifyBug.js

var assert = require('assert')
var uri = 'mongodb://localhost/findAndModifyBug';
var mongo = require('mongodb')

console.log('driver version: %s', mongo.version);

mongo.connect(uri, function (err, db) {
  if (err) throw err;
  console.log('connected');

  var c = db.collection('test');

  c.insert({ query: 'some texts' }, function (err) {
    if (err) return done(err);

    console.log('created sucessfully');

    c.findAndModify({ query: 'some texts' }, [], { $inc: { views: 1}}, { new: true, upsert: true }, function (err, doc) {
      console.log(err);
      done()
    })
  })

  function done (err) {
    if (err) console.error(err);
    db.dropDatabase(function(){
      db.close();
    })
  }
})

output

driver version: 1.3.19
connected
created sucessfully
{ [MongoError: exception: assertion src/mongo/db/../bson/bsonobjbuilder.h:92]
  name: 'MongoError',
  lastErrorObject: { updatedExisting: true, n: 1, connectionId: 77, err: null, ok: 1 },
  errmsg: 'exception: assertion src/mongo/db/../bson/bsonobjbuilder.h:92',
  code: 0,
  ok: 0 }