Resolving dependencies... cabal: Could not resolve dependencies: next goal: hackage2hwn (user goal) rejecting: hackage2hwn-0.5.1, 0.5, 0.4.1, 0.4, 0.3 (global constraint requires ==0.2.1) trying: hackage2hwn-0.2.1 next goal: xml (dependency of hackage2hwn-0.2.1) rejecting: xml-1.3.14, 1.3.13, 1.3.12, 1.3.11, 1.3.10, 1.3.9, 1.3.8, 1.3.7, 1.3.5, 1.3.4, 1.3.3, 1.3.2, 1.3.1, 1.2.6 (conflict: hackage2hwn => xml==1.2.3) Dependency tree exhaustively searched.