Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: eq (user goal)
rejecting: eq-4.0.4, 4.0.3, 4.0.2, 4.0.1, 4.0, 3.1.1, 3.1, 3.0, 0.3.7.1,
0.3.7, 0.3.6, 0.3.5, 0.3.4.3 (global constraint requires ==0.3.4.2)
trying: eq-0.3.4.2
trying: base-4.8.1.0/installed-4f7... (dependency of eq-0.3.4.2)
next goal: semigroupoids (dependency of eq-0.3.4.2)
rejecting: semigroupoids-5.0.0.4, 5.0.0.3, 5.0.0.2, 5.0.0.1, 5, 4.3, 4.2,
4.0.4, 4.0.3, 4.0.2.1, 4.0.2, 4.0.1, 4.0, 3.1, 3.0.3, 3.0.2, 3.0.1, 3.0.0.2,
3.0.0.1, 3.0, 1.3.4, 1.3.3, 1.3.2.1, 1.3.2, 1.3.1.2, 1.3.1.1, 1.3.1 (conflict:
eq => semigroupoids>=1.2.6.1 && <1.3.0)
rejecting: semigroupoids-1.3, 1.2.6.2, 1.2.6.1 (conflict:
base==4.8.1.0/installed-4f7..., semigroupoids => base>=4 && <4.6)
rejecting: semigroupoids-1.2.6, 1.2.5, 1.2.4, 1.2.2.4, 1.2.2.3, 1.2.2.2,
1.2.2.1, 1.2.2, 1.2.1, 1.2.0, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.0, 4.5
(conflict: eq => semigroupoids>=1.2.6.1 && <1.3.0)
Dependency tree exhaustively searched.