How to properly join tables with mongoose(mongo)?

Question

Node.js

The problem is this:
There are 2 tables with data, one is `teams` : The other is

`roster` :


There is `roster.team_id` which holds an int.
And here I actually make a request for getting, waiting to see `teams`, and its `roster` :

let qq = await Team.find({_id: 271}).populate('Roster');
return qq;

But in the response, only information about the team comes to me:

Well, here is an example that shows that there is data in the `roster` table with such a `team_id`:


Where am I wrong?)).
Perhaps the problem is that I have overwritten `_id` for each collection, but this seems to be not prohibited, judging by the manuals that I found ....