Logged on, played a while, disconnected (did not quit game), reconnected, and crashed after trying to upgrade a wall.
I believe there is some problem with disconnecting and re-connecting based on what happened.
Here is the error I got (found next to rust.exe, the place it told me to find it): https://www.dropbox.com/s/80mjokldxewwsb9/errors.html?dl=0
I’ve also noticed that the game crashes every now and then for unknown reasons. I usually have the paint brush icon off in the F2 menu if that helps.
Same kind of freeze occurred, this time when first starting up the game. It seemed to be the same bug, both froze the screen and only escapeable by using Ctrl+Ald+Del:
Here is the crash report for this one: https://www.dropbox.com/s/rcdhyw3orp1iq74/errors%20%282%29.html?dl=0