Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hpage (user goal)
rejecting: hpage-0.12.2, 0.12.1, 0.12.0, 0.11.1, 0.11.0, 0.10.2, 0.10.1,
0.10.0, 0.9.0, 0.8.6, 0.8.4, 0.8.3, 0.8.2, 0.8.1, 0.8.0, 0.7.6, 0.7.5, 0.7.3,
0.7.2, 0.7.1, 0.7.0, 0.6.2, 0.6.1, 0.6.0, 0.5.6, 0.5.5, 0.5.3, 0.5.2, 0.5.1,
0.5, 0.4.8, 0.4.7, 0.4.6, 0.4.5, 0.4.4, 0.4.3, 0.4.2, 0.4.1, 0.4, 0.3.4,
0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.2, 0.2.1, 0.2.0, 0.1.6, 0.1.5 (global
constraint requires ==0.1.4)
trying: hpage-0.1.4
trying: base-4.8.1.0/installed-4f7... (dependency of hpage-0.1.4)
trying: MonadCatchIO-mtl-0.3.1.0 (dependency of hpage-0.1.4)
next goal: MonadCatchIO-transformers (dependency of MonadCatchIO-mtl-0.3.1.0)
rejecting: MonadCatchIO-transformers-0.3.1.3, 0.3.1.2, 0.3.1.1 (conflict:
MonadCatchIO-mtl => MonadCatchIO-transformers==0.3.1.0)
rejecting: MonadCatchIO-transformers-0.3.1.0 (conflict:
base==4.8.1.0/installed-4f7..., MonadCatchIO-transformers => base<4.8)
rejecting: MonadCatchIO-transformers-0.3.0.0, 0.2.2.3, 0.2.2.2, 0.2.2.1,
0.2.2.0, 0.2.1.0, 0.2.0.0, 0.1.0.1, 0.1.0.0, 0.0.2.0, 0.0.1.0 (conflict:
MonadCatchIO-mtl => MonadCatchIO-transformers==0.3.1.0)
Dependency tree exhaustively searched.