Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: png-file (user goal)
rejecting: png-file-0.0.1.3 (global constraint requires ==0.0.1.2)
trying: png-file-0.0.1.2
trying: template-haskell-2.10.0.0/installed-90e... (dependency of
png-file-0.0.1.2)
trying: binary-file-0.15.25 (dependency of png-file-0.0.1.2)
next goal: peggy (dependency of binary-file-0.15.25)
rejecting: peggy-0.3.2 (conflict: template-haskell==2.10.0.0/installed-90e...,
peggy => template-haskell>=2.5 && <2.9)
rejecting: peggy-0.3.1.1, 0.3.1 (conflict:
template-haskell==2.10.0.0/installed-90e..., peggy => template-haskell>=2.5 &&
<2.8)
rejecting: peggy-0.3.0, 0.2.1, 0.2.0.1, 0.2.0, 0.1.3, 0.1.2, 0.1.1, 0.1.0
(conflict: template-haskell==2.10.0.0/installed-90e..., peggy =>
template-haskell>=2.5 && <2.7)
Dependency tree exhaustively searched.