Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hashable-generics (user goal)
rejecting: hashable-generics-1.1.10 (global constraint requires ==1.1.9)
trying: hashable-generics-1.1.9
next goal: base (dependency of hashable-generics-1.1.9)
rejecting: base-4.8.2.0/installed-0d6... (conflict: hashable-generics =>
base>=4.5 && <4.7)
rejecting: base-4.9.0.0, 4.8.2.0, 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.