Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: th-orphans (user goal)
rejecting: th-orphans-0.13.3, th-orphans-0.13.2, th-orphans-0.13.1,
th-orphans-0.13.0, th-orphans-0.12.2, th-orphans-0.12.1, th-orphans-0.12.0,
th-orphans-0.11.1, th-orphans-0.11.0, th-orphans-0.9.1, th-orphans-0.9.0,
th-orphans-0.8.3, th-orphans-0.8.2, th-orphans-0.8.1, th-orphans-0.8,
th-orphans-0.7.0.1, th-orphans-0.7, th-orphans-0.6.1, th-orphans-0.6
(constraint from user target requires ==0.5.2.0)
trying: th-orphans-0.5.2.0
next goal: base (dependency of th-orphans-0.5.2.0)
rejecting: base-4.9.0.0/installed-4.9... (conflict: th-orphans => base>=4.2 &&
<4.6)
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.