Resolving dependencies... cabal: Could not resolve dependencies: next goal: snaplet-tasks (user goal) rejecting: snaplet-tasks-0.1.2, snaplet-tasks-0.1.1 (constraint from user target requires ==0.1) trying: snaplet-tasks-0.1 trying: base-4.9.0.0/installed-4.9... (dependency of snaplet-tasks-0.1) next goal: haskell98 (dependency of snaplet-tasks-0.1) rejecting: haskell98-2.0.0.3, haskell98-2.0.0.2, haskell98-2.0.0.1, haskell98-2.0.0.0 (conflict: snaplet-tasks => haskell98==1.1.0.1) rejecting: haskell98-1.1.0.1 (conflict: base==4.9.0.0/installed-4.9..., haskell98 => base>=3 && <4.6) rejecting: haskell98-1.1.0.0, haskell98-1.0.1.1, haskell98-1.0.1.0, haskell98-1.0 (conflict: snaplet-tasks => haskell98==1.1.0.1) Dependency tree exhaustively searched.