Resolving dependencies... cabal: Could not resolve dependencies: trying: hasql-pool-0.4.2 (user goal) next goal: hasql (dependency of hasql-pool-0.4.2) rejecting: hasql-1, hasql-0.20, hasql-0.19.18.2, hasql-0.19.18.1, hasql-0.19.18, hasql-0.19.17.1, hasql-0.19.17, hasql-0.19.16, hasql-0.19.15.2, hasql-0.19.15.1, hasql-0.19.15, hasql-0.19.14, hasql-0.19.13, hasql-0.19.12, hasql-0.19.11, hasql-0.19.10, hasql-0.19.9, hasql-0.19.8, hasql-0.19.7, hasql-0.19.6, hasql-0.19.5, hasql-0.19.4, hasql-0.19.3.3, hasql-0.19.3.2, hasql-0.19.3.1, hasql-0.19.3, hasql-0.19.2, hasql-0.15.1.1, hasql-0.15.1, hasql-0.15.0.2, hasql-0.14.0.3, hasql-0.14.0.2, hasql-0.7.4, hasql-0.7.3.2, hasql-0.7.3.1, hasql-0.7.3, hasql-0.7.2, hasql-0.7.1, hasql-0.7.0, hasql-0.6.0, hasql-0.5.0, hasql-0.4.1, hasql-0.4.0, hasql-0.2.3, hasql-0.2.1, hasql-0.2.0, hasql-0.1.6, hasql-0.1.5, hasql-0.1.4, hasql-0.1.3, hasql-0.1.2, hasql-0.1.1, hasql-0.1.0, hasql-0.3.0, hasql-0.2.2 (conflict: hasql-pool => hasql>=0.19 && <0.20 && >=1 && <1.1) Dependency tree exhaustively searched.