Resolving dependencies... cabal: Could not resolve dependencies: next goal: tempodb (user goal) rejecting: tempodb-0.2.2.5, 0.2.2.4, 0.2.2.3 (global constraint requires ==0.2.2.2) trying: tempodb-0.2.2.2 next goal: base (dependency of tempodb-0.2.2.2) rejecting: base-4.7.0.1/installed-e4b... (conflict: tempodb => base>=4.6 && <4.7) rejecting: base-4.8.0.0, 4.7.0.2, 4.7.0.1, 4.7.0.0, 4.6.0.1, 4.6.0.0, 4.5.1.0, 4.5.0.0, 4.4.1.0, 4.4.0.0, 4.3.1.0, 4.3.0.0, 4.2.0.2, 4.2.0.1, 4.2.0.0, 4.1.0.0, 4.0.0.0, 3.0.3.2, 3.0.3.1 (global constraint requires installed instance) Dependency tree exhaustively searched.