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, 0.3.4.2, 0.3.4.1, 0.3.4 (global constraint
requires ==0.3.3.1)
trying: eq-0.3.3.1
trying: base-4.7.0.1/installed-e4b... (dependency of eq-0.3.3.1)
next goal: semigroupoids (dependency of eq-0.3.3.1)
rejecting: semigroupoids-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>=1.2.2
&& <1.3.0)
rejecting: semigroupoids-1.3, 1.2.6.2, 1.2.6.1 (conflict:
base==4.7.0.1/installed-e4b..., semigroupoids => base>=4 && <4.6)
rejecting: semigroupoids-1.2.6 (conflict: base==4.7.0.1/installed-e4b...,
semigroupoids => base>=4 && <4.5)
trying: semigroupoids-1.2.5
next goal: semigroups (dependency of semigroupoids-1.2.5)
rejecting: semigroups-0.16.2.2, 0.16.2.1, 0.16.2, 0.16.1, 0.16.0.1, 0.16,
0.15.4, 0.15.3, 0.15.2, 0.15.1, 0.15, 0.14, 0.13.0.1, 0.13, 0.12.2, 0.12.1,
0.12.0.1, 0.12, 0.11, 0.10, 0.9.2, 0.9.1, 0.9, 0.8.5, 0.8.4.1, 0.8.4, 0.8.3.2,
0.8.3.1, 0.8.3, 0.8.2, 0.8.0.1, 0.8 (conflict: semigroupoids =>
semigroups>=0.7.1 && <0.8)
rejecting: semigroups-0.7.1.2, 0.7.1.1, 0.7.1 (conflict:
base==4.7.0.1/installed-e4b..., semigroups => base>=4 && <4.5)
rejecting: semigroups-0.7.0, 0.6.1, 0.6, 0.5.0.2, 0.5.0.1, 0.5.0, 0.4.0,
0.3.4.2, 0.3.4.1, 0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.0, 0.1.0 (conflict:
semigroupoids => semigroups>=0.7.1 && <0.8)
Dependency tree exhaustively searched.