Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Gamgine (user goal)
rejecting: Gamgine-0.5, 0.4.1, 0.4 (global constraint requires ==0.3)
trying: Gamgine-0.3
trying: data-lens-2.10.7 (dependency of Gamgine-0.3)
trying: semigroupoids-5.0.0.4 (dependency of data-lens-2.10.7)
trying: semigroupoids-5.0.0.4:+tagged
trying: semigroupoids-5.0.0.4:+comonad
trying: semigroupoids-5.0.0.4:+distributive
trying: semigroupoids-5.0.0.4:+contravariant
trying: contravariant-1.3.3 (dependency of
semigroupoids-5.0.0.4:+contravariant)
trying: contravariant-1.3.3:+statevar
trying: contravariant-1.3.3:+semigroups
trying: semigroupoids-5.0.0.4:+containers
next goal: StateVar (dependency of Gamgine-0.3)
rejecting: StateVar-1.1.0.1, 1.1.0.0 (conflict: Gamgine => StateVar>=1.0.0.0
&& <1.1)
rejecting: StateVar-1.0.1.1, 1.0.1.0, 1.0.0.0 (conflict:
contravariant-1.3.3:statevar => StateVar>=1.1 && <1.2)
Backjump limit reached (change with --max-backjumps).