Resolving dependencies... cabal: Could not resolve dependencies: next goal: Elm (user goal) rejecting: Elm-0.13, Elm-0.12.3, Elm-0.12.2, Elm-0.12.1.3, Elm-0.12.1.2, Elm-0.12.1.1, Elm-0.12.1, Elm-0.12, Elm-0.11, Elm-0.10.1, Elm-0.10.0.2, Elm-0.10.0.1, Elm-0.10, Elm-0.9.0.2, Elm-0.9.0.1, Elm-0.9, Elm-0.8.0.3, Elm-0.8.0.2, Elm-0.8.0.1, Elm-0.8, Elm-0.7.1.1, Elm-0.7.1, Elm-0.7, Elm-0.6.0.3, Elm-0.6.0.2, Elm-0.6.0.1, Elm-0.6 (constraint from user target requires ==0.5.0.2) trying: Elm-0.5.0.2 trying: base-4.9.0.0/installed-4.9... (dependency of Elm-0.5.0.2) next goal: blaze-markup (dependency of Elm-0.5.0.2) rejecting: blaze-markup-0.7.1.1, blaze-markup-0.7.1.0, blaze-markup-0.7.0.3, blaze-markup-0.7.0.2, blaze-markup-0.7.0.1, blaze-markup-0.7.0.0, blaze-markup-0.6.3.0, blaze-markup-0.6.2.0, blaze-markup-0.6.1.1, blaze-markup-0.6.1.0, blaze-markup-0.6.0.0, blaze-markup-0.5.2.1, blaze-markup-0.5.2.0 (conflict: Elm => blaze-markup==0.5.1.*) rejecting: blaze-markup-0.5.1.7, blaze-markup-0.5.1.6, blaze-markup-0.5.1.5, blaze-markup-0.5.1.4, blaze-markup-0.5.1.3, blaze-markup-0.5.1.2, blaze-markup-0.5.1.1, blaze-markup-0.5.1.0 (conflict: base==4.9.0.0/installed-4.9..., blaze-markup => base>=4 && <4.8) rejecting: blaze-markup-0.5.0.0 (conflict: Elm => blaze-markup==0.5.1.*) Dependency tree exhaustively searched.