I cannot be 100% certain, of course, but it seems that this machine that I built in an attempt to fully automate the squeezer resulted in a persistent crash each time I start the game.

It's a weird issue (because the machine was working at first with switches as shown - before I attempted to automate it using logic cables) so I'll give as much details as possible. The crash happened immediately after I destroyed the above switch while it was in an "on" position (I think). I was able to reproduce this twice in creative. In all three cases, there were logic cables behind the device, like this:

When the logic cables are present, the switch on top stops working to activate the piston for some reason. This may be related. If the upper switch is in an on state before the pipes are added, then switch is destroyed, the game crashes. Nay, freezes.

Here are some crash reports/logs.

Latest server crash report

Latest log

I was wondering if this was squeezer related or if it was something else. Again, I can't be sure, but this contraption doesn't experience the same issue: