Who is better (a lot of pawns)

[Codesquid]

A lot of engines crash when analyzing.
[d]4k3/pppppppp/pppppppp/pppppppp/pppppppp/8/PPPPPPPP/RNBQKBNR w KQ - 0 30

Indeed. Octochess crashed a couple dozen moves into the game, thinking it was playing a pawnless endgame...

Fix is trivial, 6 bits per piece in the material index will do the trick

Update: White wins in self-play.