Resolving dependencies... cabal: Could not resolve dependencies: next goal: haskore (user goal) rejecting: haskore-0.2.0.7, 0.2.0.6, 0.2.0.5, 0.2.0.4, 0.2.0.3, 0.2.0.2, 0.2.0.1, 0.2, 0.1.0.4, 0.1.0.3, 0.1.0.2, 0.1.0.1, 0.1, 0.0.7 (global constraint requires ==0.0.6) trying: haskore-0.0.6 trying: base-4.8.1.0/installed-4f7... (dependency of haskore-0.0.6) next goal: parsec (dependency of haskore-0.0.6) rejecting: parsec-3.1.9, 3.1.8, 3.1.7, 3.1.6, 3.1.5, 3.1.4, 3.1.3, 3.1.2, 3.1.1, 3.1.0, 3.0.1, 3.0.0 (conflict: haskore => parsec>=2.1 && <2.2) rejecting: parsec-2.1.0.1, 2.1.0.0 (conflict: base==4.8.1.0/installed-4f7..., parsec => base<4.8) rejecting: parsec-2.0 (conflict: haskore => parsec>=2.1 && <2.2) Dependency tree exhaustively searched.