Resolving dependencies... cabal: Could not resolve dependencies: next goal: diagrams-haddock (user goal) rejecting: diagrams-haddock-0.4.0.1, diagrams-haddock-0.4, diagrams-haddock-0.3.0.10, diagrams-haddock-0.3.0.9, diagrams-haddock-0.3.0.7, diagrams-haddock-0.3.0.6, diagrams-haddock-0.3.0.5, diagrams-haddock-0.3.0.4, diagrams-haddock-0.3.0.3, diagrams-haddock-0.3.0.2, diagrams-haddock-0.3.0.1, diagrams-haddock-0.3, diagrams-haddock-0.2.2.14, diagrams-haddock-0.2.2.13, diagrams-haddock-0.2.2.12, diagrams-haddock-0.2.2.11, diagrams-haddock-0.2.2.10, diagrams-haddock-0.2.2.9, diagrams-haddock-0.2.2.8, diagrams-haddock-0.2.2.7, diagrams-haddock-0.2.2.6, diagrams-haddock-0.2.2.5, diagrams-haddock-0.2.2.4, diagrams-haddock-0.2.2.3, diagrams-haddock-0.2.2.2, diagrams-haddock-0.2.2.1, diagrams-haddock-0.2.2, diagrams-haddock-0.2.1.6, diagrams-haddock-0.2.1.5, diagrams-haddock-0.2.1.4 (constraint from user target requires ==0.2.1.3) trying: diagrams-haddock-0.2.1.3 next goal: base (dependency of diagrams-haddock-0.2.1.3) rejecting: base-4.9.0.0/installed-4.9... (conflict: diagrams-haddock => base>=4.4 && <4.8) rejecting: base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0, base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0, base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0, base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0, base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable package requires installed instance) Dependency tree exhaustively searched.