Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: DefendTheKing (user goal)
rejecting: DefendTheKing-0.3.1 (global constraint requires ==0.3)
trying: DefendTheKing-0.3
trying: base-4.8.1.0/installed-4f7... (dependency of DefendTheKing-0.3)
next goal: MaybeT (dependency of DefendTheKing-0.3)
rejecting: MaybeT-0.1.2, 0.1.1 (conflict: base==4.8.1.0/installed-4f7...,
MaybeT => base<4.8)
rejecting: MaybeT-0.1.0 (conflict: base==4.8.1.0/installed-4f7..., MaybeT =>
base<4.3)
Dependency tree exhaustively searched.