Resolving dependencies... cabal: Could not resolve dependencies: next goal: test-framework (user goal) rejecting: test-framework-0.8.1.1, 0.8.1.0, 0.8.0.3, 0.8.0.2, 0.8.0.1, 0.8, 0.7.0, 0.6.2, 0.6.1, 0.6, 0.5, 0.4.2.3, 0.4.2.2, 0.4.2.1, 0.4.2.0, 0.4.1.1, 0.4.1, 0.4.0, 0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.4, 0.2.3, 0.2.2, 0.2.1, 0.2.0, 0.1.2, 0.1.1 (global constraint requires ==0.1) trying: test-framework-0.1 trying: base-4.8.1.0/installed-4f7... (dependency of test-framework-0.1) trying: test-framework-0.1:-example trying: test-framework-0.1:+hunit trying: test-framework-0.1:+quickcheck rejecting: test-framework-0.1:+splitbase (conflict: base==4.8.1.0/installed-4f7..., test-framework-0.1:splitbase => base>=3 && <4.8) rejecting: test-framework-0.1:-splitbase (conflict: base==4.8.1.0/installed-4f7..., test-framework-0.1:splitbase => base<3) Dependency tree exhaustively searched.