Resolving dependencies... cabal: Could not resolve dependencies: next goal: rest-core (user goal) rejecting: rest-core-0.36.0.4, 0.36.0.3, 0.36.0.2, 0.36.0.1, 0.36, 0.35.1, 0.35, 0.34.0.3, 0.34.0.2, 0.34.0.1, 0.34, 0.33.1.2, 0.33.1.1, 0.33.1, 0.33, 0.32.0.2, 0.32.0.1, 0.32, 0.31.1, 0.31, 0.30.0.3, 0.30.0.2, 0.30.0.1, 0.30, 0.29, 0.28.0.1, 0.28, 0.27.1, 0.27.0.3, 0.27.0.2 (global constraint requires ==0.27.0.1) trying: rest-core-0.27.0.1 next goal: text (dependency of rest-core-0.27.0.1) rejecting: text-1.2.1.1, 1.2.1.0, 1.2.0.6, 1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.0 (conflict: rest-core => text>=0.11 && <1.2) trying: text-1.1.1.4 next goal: rest-types (dependency of rest-core-0.27.0.1) rejecting: rest-types-1.14.0.1, 1.14, 1.13.1, 1.13, 1.12, 1.11.1.1, 1.11.1, 1.11, 1.10.2, 1.10.1, 1.10.0.3, 1.10.0.2, 1.10.0.1, 1.10, 1.9.0.2 (conflict: rest-core => rest-types==1.9.0.1) rejecting: rest-types-1.9.0.1 (conflict: text==1.1.1.4, rest-types => text==0.11.*) Dependency tree exhaustively searched.