Something I just realized: I did most likely have RAM issues while those saves were being made. It might be possible my game state was corrupted because of that and then this may have caused those saves to be corrupted too.

My recent save games were not loading anymore. My game would crash almost immediately on hitting load on any of those saves with this stack trace: Factorio crashed. Generating symbolized stacktrace, please wait ... /tmp/factorio-build-ZPkTbZ/src/Util/Logger.cpp (336): Logger::writeStacktrace(FileWri...

Yep, memtest confirmed bad RAM. Sorry for the disturbance.

Running the game on Linux and recently started getting more and more segmentation faults in the game, but haven't noticed them in other processes. I'm still gonna run memtest for a while now to make sure it's not my RAM - which it very well might be. I'll report back tomorrow. Here are the last 2 lo...

Thanks for letting me know. Was just wondering, because this was said before the release of 1.1.76. ;) It looks like it is related to the async-saving and should be fixed for the next release thanks to Genhis. Will time travel be implemented some time in the future then? edit: I was going by the ste...

I didn't see anything in the patchnotes relating to this, but assume it was simply not mentioned.

However I've had this happen several times in 1.1.76 with non-blocking-saving=true