Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of eq-0.3.3.1) next goal: semigroupoids (dependency of eq-0.3.3.1) rejecting: semigroupoids-5.1, semigroupoids-5.0.1, semigroupoids-5.0.0.4, semigroupoids-5.0.0.3, semigroupoids-5.0.0.2, semigroupoids-5.0.0.1, semigroupoids-5, semigroupoids-4.3, semigroupoids-4.2, semigroupoids-4.0.4, semigroupoids-4.0.3, semigroupoids-4.0.2.1, semigroupoids-4.0.2, semigroupoids-4.0.1, semigroupoids-4.0, semigroupoids-3.1, semigroupoids-3.0.3, semigroupoids-3.0.2, semigroupoids-3.0.1, semigroupoids-3.0.0.2, semigroupoids-3.0.0.1, semigroupoids-3.0, semigroupoids-1.3.4, semigroupoids-1.3.3, semigroupoids-1.3.2.1, semigroupoids-1.3.2, semigroupoids-1.3.1.2, semigroupoids-1.3.1.1, semigroupoids-1.3.1 (conflict: eq => semigroupoids>=1.2.2 && <1.3.0) rejecting: semigroupoids-1.3, semigroupoids-1.2.6.2, semigroupoids-1.2.6.1 (conflict: base==4.9.0.0/installed-4.9..., semigroupoids => base>=4 && <4.6) rejecting: semigroupoids-1.2.6 (conflict: base==4.9.0.0/installed-4.9..., semigroupoids => base>=4 && <4.5) trying: semigroupoids-1.2.5 next goal: semigroups (dependency of semigroupoids-1.2.5) rejecting: semigroups-0.18.2, semigroups-0.18.1, semigroups-0.18.0.1, semigroups-0.18, semigroups-0.17.0.1, semigroups-0.17, semigroups-0.16.2.2, semigroups-0.16.2.1, semigroups-0.16.2, semigroups-0.16.1, semigroups-0.16.0.1, semigroups-0.16, semigroups-0.15.4, semigroups-0.15.3, semigroups-0.15.2, semigroups-0.15.1, semigroups-0.15, semigroups-0.14, semigroups-0.13.0.1, semigroups-0.13, semigroups-0.12.2, semigroups-0.12.1, semigroups-0.12.0.1, semigroups-0.12, semigroups-0.11, semigroups-0.10, semigroups-0.9.2, semigroups-0.9.1, semigroups-0.9, semigroups-0.8.5, semigroups-0.8.4.1, semigroups-0.8.4, semigroups-0.8.3.2, semigroups-0.8.3.1, semigroups-0.8.3, semigroups-0.8.2, semigroups-0.8.0.1, semigroups-0.8 (conflict: semigroupoids => semigroups>=0.7.1 && <0.8) rejecting: semigroups-0.7.1.2, semigroups-0.7.1.1, semigroups-0.7.1 (conflict: base==4.9.0.0/installed-4.9..., semigroups => base>=4 && <4.5) rejecting: semigroups-0.7.0, semigroups-0.6.1, semigroups-0.6, semigroups-0.5.0.2, semigroups-0.5.0.1, semigroups-0.5.0, semigroups-0.4.0, semigroups-0.3.4.2, semigroups-0.3.4.1, semigroups-0.3.4, semigroups-0.3.3, semigroups-0.3.2, semigroups-0.3.1, semigroups-0.3.0, semigroups-0.2.0, semigroups-0.1.0 (conflict: semigroupoids => semigroups>=0.7.1 && <0.8) Dependency tree exhaustively searched.