Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: reactive-banana (user goal)
rejecting: reactive-banana-1.1.0.1, reactive-banana-1.1.0.0,
reactive-banana-0.9.0.0, reactive-banana-0.8.1.2, reactive-banana-0.8.1.1,
reactive-banana-0.8.1.0, reactive-banana-0.8.0.4, reactive-banana-0.8.0.3,
reactive-banana-0.8.0.2, reactive-banana-0.8.0.1, reactive-banana-0.8.0.0,
reactive-banana-0.7.1.3, reactive-banana-0.7.1.2, reactive-banana-0.7.1.1,
reactive-banana-0.7.1.0, reactive-banana-0.7.0.1, reactive-banana-0.7.0.0,
reactive-banana-0.6.0.0, reactive-banana-0.5.0.3, reactive-banana-0.5.0.2,
reactive-banana-0.5.0.1, reactive-banana-0.5.0.0, reactive-banana-0.4.3.2,
reactive-banana-0.4.3.1, reactive-banana-0.4.3.0, reactive-banana-0.4.2.0,
reactive-banana-0.4.1.1, reactive-banana-0.4.1.0, reactive-banana-0.4.0.0,
reactive-banana-0.3.0.1, reactive-banana-0.3.0.0, reactive-banana-0.2.0.3,
reactive-banana-0.2.0.2, reactive-banana-0.2.0.1 (constraint from user target
requires ==0.2.0.0)
trying: reactive-banana-0.2.0.0
next goal: base (dependency of reactive-banana-0.2.0.0)
rejecting: base-4.9.0.0/installed-4.9... (conflict: reactive-banana =>
base>=4.2 && <4.4)
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.