Ruined Portal generated with an empty chest

Doing a little exploring in the new snapshot and found a ruined portal above ground with a chest that generated empty.

What I expected to happen was...:
Thought I would find loot in the chest

What actually happened was...:
The chest was empty

Steps to Reproduce:
1. seed: -4223869883155674129
2. at location: 288/70/130
3. open chest