You lose your armour when you die

But you died with honor butter knight 🙂)

as in it dropped on the floor along with all you other stuff or despawned .If you didn't get there in 5 mins then all things despawn this isn't a bug

it is supposed to despawn in 8 min. but it does not

Cleaning up all the old issues - please reply if this affects 0.9.3.