Dates for the folders are wrong. In fact folder contents is 2016-10-26, 2016-10-27
Additional builds with date 2016-10-16 / 2016-10-17 available:
I wonder whether the trunk builds also are affected by Bug 1313304 – (2.49BulkMalfunctions) Latest Trunk builds with lots of malfunctions
Only for testing, you will use those builds on your own risk. I recommend to create a backup of your user profile before you start testing those builds.