BUG: $all and $elemMatch fails on nested elements about mingo HOT 2 CLOSED

var data = [{
      user: { username: 'User1', projects: [{ name: "Project 1", rating: { complexity: 6 }}, { name: "Project 2", rating: { complexity: 2 }}] }
    },{
      user: { username: 'User2', projects: [{ name: "Project 1", rating: { complexity: 6 }}, { name: "Project 2", rating: { complexity: 8 }}] }
    }];
    var query = {
      'user.projects': {
        "$all": [{
          "$elemMatch": {
            'rating.complexity': { '$gt' : 6 }
          }
        }]
      }
    };
    // It should return one user object
    var result = Mingo.find(data, query).count();
    equal(1, result, "can match using $all with $elemMatch on nested elements");