Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: th-lift (user goal)
rejecting: th-lift-0.7.6, th-lift-0.7.5, th-lift-0.7.2, th-lift-0.7.1,
th-lift-0.7, th-lift-0.6.1, th-lift-0.6, th-lift-0.5.6, th-lift-0.5.5,
th-lift-0.5.4, th-lift-0.5.3, th-lift-0.5.2, th-lift-0.5.1, th-lift-0.5,
th-lift-0.4, th-lift-0.3.1, th-lift-0.3 (constraint from user target requires
==0.2)
trying: th-lift-0.2
next goal: base (dependency of th-lift-0.2)
rejecting: base-4.9.0.0/installed-4.9... (conflict: th-lift => base<4)
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.