Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: lenses (user goal)
rejecting: lenses-0.1.7, lenses-0.1.6, lenses-0.1.5, lenses-0.1.4 (constraint
from user target requires ==0.1.3)
trying: lenses-0.1.3
trying: base-4.9.0.0/installed-4.9... (dependency of lenses-0.1.3)
next goal: template-haskell (dependency of lenses-0.1.3)
rejecting: template-haskell-2.11.0.0/installed-2.1...,
template-haskell-2.11.0.0, template-haskell-2.10.0.0,
template-haskell-2.9.0.0, template-haskell-2.8.0.0, template-haskell-2.7.0.0,
template-haskell-2.6.0.0, template-haskell-2.5.0.0, template-haskell-2.4.0.1,
template-haskell-2.4.0.0 (conflict: lenses => template-haskell>=2.3 && <2.4)
rejecting: template-haskell-2.3.0.1, template-haskell-2.3.0.0 (conflict:
base==4.9.0.0/installed-4.9..., template-haskell => base<4.3)
rejecting: template-haskell-2.2.0.0 (conflict: lenses => template-haskell>=2.3
&& <2.4)
Dependency tree exhaustively searched.