Resolving dependencies... cabal: Could not resolve dependencies: trying: base-4.9.0.0/installed-4.9... (dependency of gogol-admin-datatransfer-0.0.1) next goal: gogol-core (dependency of gogol-admin-datatransfer-0.0.1) rejecting: gogol-core-0.1.1, gogol-core-0.1.0 (conflict: gogol-admin-datatransfer => gogol-core==0.0.1.*) trying: gogol-core-0.0.1 next goal: servant (dependency of gogol-core-0.0.1) rejecting: servant-0.9.1.1, servant-0.9.1, servant-0.9.0.1, servant-0.9, servant-0.8.1, servant-0.8, servant-0.7.1, servant-0.7, servant-0.6.1, servant-0.6, servant-0.5 (conflict: gogol-core => servant>=0.4.4 && <0.5) rejecting: servant-0.4.4.7, servant-0.4.4.6, servant-0.4.4.5, servant-0.4.4.4, servant-0.4.4.3, servant-0.4.4.2, servant-0.4.4 (conflict: base==4.9.0.0/installed-4.9..., servant => base>=4.7 && <4.9) rejecting: servant-0.4.3.1, servant-0.4.3, servant-0.4.2, servant-0.4.1, servant-0.4.0, servant-0.2.2, servant-0.2.1, servant-0.2, servant-0.1 (conflict: gogol-core => servant>=0.4.4 && <0.5) Dependency tree exhaustively searched.