Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of hpage-0.3.0) next goal: MissingH (dependency of hpage-0.3.0) rejecting: MissingH-1.4.0.1, MissingH-1.4.0.0, MissingH-1.3.0.2, MissingH-1.3.0.1, MissingH-1.2.1.0, MissingH-1.2.0.2, MissingH-1.2.0.1, MissingH-1.2.0.0 (conflict: hpage => MissingH<1.2) rejecting: MissingH-1.1.1.0 (conflict: base==4.9.0.0/installed-4.9..., MissingH => base>=4 && <4.6 || <3) trying: MissingH-1.1.0.3 next goal: haskell98 (dependency of MissingH-1.1.0.3) rejecting: haskell98-2.0.0.3, haskell98-2.0.0.2, haskell98-2.0.0.1, haskell98-2.0.0.0 (conflict: MissingH => haskell98<2) rejecting: haskell98-1.1.0.1, haskell98-1.1.0.0, haskell98-1.0.1.1 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.0.1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base<4.6) rejecting: haskell98-1.0 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base<4.3) Dependency tree exhaustively searched.