Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: zoom-cache (user goal)
rejecting: zoom-cache-1.2.1.6, 1.2.1.5, 1.2.1.4, 1.2.1.3 (global constraint
requires ==1.2.1.2)
trying: zoom-cache-1.2.1.2
trying: base-4.7.0.1/installed-e4b... (dependency of zoom-cache-1.2.1.2)
next goal: MonadCatchIO-transformers (dependency of zoom-cache-1.2.1.2)
rejecting: MonadCatchIO-transformers-0.3.1.3, 0.3.1.2, 0.3.1.1, 0.3.1.0,
0.3.0.0 (conflict: zoom-cache => MonadCatchIO-transformers>0.2 && <0.3)
rejecting: MonadCatchIO-transformers-0.2.2.3, 0.2.2.2, 0.2.2.1, 0.2.2.0,
0.2.1.0, 0.2.0.0 (conflict: base==4.7.0.1/installed-e4b...,
MonadCatchIO-transformers => base<4.7)
rejecting: MonadCatchIO-transformers-0.1.0.1, 0.1.0.0, 0.0.2.0, 0.0.1.0
(conflict: zoom-cache => MonadCatchIO-transformers>0.2 && <0.3)
Dependency tree exhaustively searched.