Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: functor-apply (user goal)
rejecting: functor-apply-0.11, 0.10.5, 0.10.4, 0.10.3, 0.10.1, 0.10.0.3,
0.10.0.2, 0.10.0.1, 0.10.0, 0.9.3, 0.9.2, 0.9.1, 0.9.0, 0.7.4.1, 0.7.4, 0.7.3,
0.7.2, 0.7.1, 0.7.0, 0.6.0 (global constraint requires ==0.5.0)
trying: functor-apply-0.5.0
next goal: base (dependency of functor-apply-0.5.0)
rejecting: base-4.8.1.0/installed-4f7... (conflict: functor-apply => base>=4
&& <4.3)
rejecting: base-4.8.1.0, 4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0,
4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1,
4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires
installed instance)
Dependency tree exhaustively searched.