Resolving dependencies... cabal: Could not resolve dependencies: next goal: configurator (user goal) rejecting: configurator-0.3.0.0, 0.2.0.2, 0.2.0.1, 0.2.0.0, 0.1.0.0, 0.0.1.1 (global constraint requires ==0.0.0.1) trying: configurator-0.0.0.1 trying: text-1.2.1.3 (dependency of configurator-0.0.0.1) next goal: attoparsec-text (dependency of configurator-0.0.0.1) rejecting: attoparsec-text-0.8.5.3, 0.8.5.2, 0.8.5.1, 0.8.5.0 (conflict: text==1.2.1.3, attoparsec-text => text>=0.10 && <0.12) rejecting: attoparsec-text-0.8.2.1, 0.8.2.0, 0.8.0.0 (conflict: configurator => attoparsec-text>=0.8.5.0) Dependency tree exhaustively searched.