It seems like whenever it tries to render a Minecart Chest it crashes because it assigns some value to it Minecraft says is not possible. This is the 3rd time in a row. Attached is a file with the three crash reports
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Dupe of MC-57470
Chests minecarts WILL NEVER HAVE A DATA VALUE Blah, so it's not a duplicate. This happens with newly placed chest minecarts too.