Resolving dependencies... cabal: Could not resolve dependencies: next goal: ginsu (user goal) rejecting: ginsu-0.8.2.1, 0.8.1.1, 0.8.1, 0.8.0.2 (global constraint requires ==0.8.0.1) trying: ginsu-0.8.0.1 next goal: ghc-binary (dependency of ginsu-0.8.0.1) Dependency tree exhaustively searched.