Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: blip (user goal)
rejecting: blip-0.2.1 (global constraint requires ==0.2.0)
trying: blip-0.2.0
trying: base-4.8.1.0/installed-4f7... (dependency of blip-0.2.0)
next goal: mtl (dependency of blip-0.2.0)
rejecting: mtl-2.2.1, 2.2.0.1, 2.2 (conflict: blip => mtl==2.1.*)
trying: mtl-2.1.3.1
next goal: transformers (dependency of mtl-2.1.3.1)
rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0
(conflict: mtl => transformers==0.3.*)
trying: transformers-0.3.0.0
rejecting: transformers-0.3.0.0:+applicativeinbase (conflict:
base==4.8.1.0/installed-4f7..., transformers-0.3.0.0:applicativeinbase =>
base>=2 && <4.8)
rejecting: transformers-0.3.0.0:-applicativeinbase (conflict:
base==4.8.1.0/installed-4f7..., transformers-0.3.0.0:applicativeinbase =>
base>=1.0 && <2)
Dependency tree exhaustively searched.