Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hint (user goal)
rejecting: hint-0.6.0, hint-0.5.2, hint-0.5.1, hint-0.5.0, hint-0.4.3,
hint-0.4.2.3, hint-0.4.2.2, hint-0.4.2.1, hint-0.4.2.0, hint-0.4.1.0,
hint-0.4.0.0, hint-0.3.3.7, hint-0.3.3.6, hint-0.3.3.5, hint-0.3.3.4,
hint-0.3.3.3, hint-0.3.3.2, hint-0.3.3.1, hint-0.3.3.0, hint-0.3.2.3,
hint-0.3.2.2, hint-0.3.2.1, hint-0.3.2.0, hint-0.3.1.0, hint-0.3.0.0,
hint-0.2.4.1, hint-0.2.4, hint-0.2.2, hint-0.2.1, hint-0.2 (constraint from
user target requires ==0.1)
trying: hint-0.1
next goal: base (dependency of hint-0.1)
rejecting: base-4.9.0.0/installed-4.9... (conflict: hint => base<4.3)
rejecting: base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0,
base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0,
base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0,
base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0,
base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable
package requires installed instance)
Dependency tree exhaustively searched.