Whisk eggs in a large bowl.
Whisk sugar into eggs.
Pour coconut milk into liquid measuring cup. Stir to loosen it if it's very clumped. It doesn't need to be smooth though.
Drain crushed pineapple juice into coconut milk. Add enough milk to bring the liquid measurement to 3 cups.
Whisk milk mixture into egg mixture.
Add salt, nutmeg and pineapple to egg mixture.
Stir bread cubes into this so that the bread is coated thoroughly.
Pour into slow cooker that you've sprayed with cooking spray.
Cook on low for 6-8 hours.