Resolving dependencies... cabal: Could not resolve dependencies: next goal: keter (user goal) rejecting: keter-1.4.3.1, 1.4.3, 1.4.2.1, 1.4.1, 1.4.0.1, 1.4.0, 1.3.10.1, 1.3.10, 1.3.9.2, 1.3.9.1, 1.3.9, 1.3.8, 1.3.7.1, 1.3.7, 1.3.6, 1.3.5.3, 1.3.5.2, 1.3.5.1, 1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.3.0, 1.2.1, 1.2.0, 1.1.0.1, 1.1.0, 1.0.1.2, 1.0.1.1, 1.0.1, 0.4.0, 0.3.6.1, 0.3.6, 0.3.5.4, 0.3.5.3, 0.3.5.2, 0.3.5.1, 0.3.5, 0.3.4.2, 0.3.4.1, 0.3.4, 0.3.3 (global constraint requires ==0.3.2) trying: keter-0.3.2 next goal: wai-app-static (dependency of keter-0.3.2) rejecting: wai-app-static-3.1.3, 3.1.2, 3.1.1, 3.1.0.1, 3.1.0, 3.0.1.1, 3.0.1, 3.0.0.6, 3.0.0.5, 3.0.0.4, 3.0.0.3, 3.0.0.2, 3.0.0.1, 3.0.0, 2.0.1.1, 2.0.1, 2.0.0.5, 2.0.0.4, 2.0.0.3, 2.0.0.2, 2.0.0.1, 2.0.0 (conflict: keter => wai-app-static>=1.3 && <1.4) trying: wai-app-static-1.3.3.1 trying: cereal-0.5.1.0 (dependency of wai-app-static-1.3.3.1) next goal: crypto-conduit (dependency of wai-app-static-1.3.3.1) rejecting: crypto-conduit-0.5.5, 0.5.4, 0.5.3, 0.5.2.2, 0.5.2.1 (conflict: cereal==0.5.1.0, crypto-conduit => cereal>=0.3 && <0.5) rejecting: crypto-conduit-0.5.2, 0.5.1, 0.5.0, 0.4.3, 0.4.2, 0.4.1, 0.4.0.1, 0.4.0 (conflict: cereal==0.5.1.0, crypto-conduit => cereal>=0.3 && <0.4) rejecting: crypto-conduit-0.3.2, 0.3.1, 0.3.0.1, 0.3.0, 0.2.0, 0.1.3.1, 0.1.2, 0.1.1.2, 0.1.1.1, 0.1.1, 0.1 (conflict: wai-app-static => crypto-conduit>=0.4) Dependency tree exhaustively searched.