Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of patronscraper-0.0.0.1) next goal: HandsomeSoup (dependency of patronscraper-0.0.0.1) rejecting: HandsomeSoup-0.4.2, HandsomeSoup-0.4 (conflict: patronscraper => HandsomeSoup>=0.3 && <0.4) trying: HandsomeSoup-0.3.5 next goal: MaybeT (dependency of HandsomeSoup-0.3.5) rejecting: MaybeT-0.1.2, MaybeT-0.1.1 (conflict: base==4.9.0.0/installed-4.9..., MaybeT => base<4.8) rejecting: MaybeT-0.1.0 (conflict: base==4.9.0.0/installed-4.9..., MaybeT => base<4.3) Dependency tree exhaustively searched.