Welp, I deleted the saves and could not replicate the bug when I tried to just now. Here are the logs in case they could somehow still be useful. I will continue trying to replicate it and will post an update if I get it.

Biter eggs, and possibly other spoilable items seem to not behave correctly between saves.
I noticed that my chests were being destroyed by biters. I immediately loaded a save that was made 5 minutes prior. I thought that I had 5 minutes to remove the eggs or set up some turrets. However, I was ...