Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: th-orphans (user goal)
rejecting: th-orphans-0.12.1, 0.12.0, 0.11.1, 0.11.0, 0.9.1, 0.9.0, 0.8.3,
0.8.2, 0.8.1, 0.8, 0.7.0.1, 0.7 (global constraint requires ==0.6.1)
trying: th-orphans-0.6.1
trying: base-4.7.0.1/installed-e4b... (dependency of th-orphans-0.6.1)
next goal: template-haskell (dependency of th-orphans-0.6.1)
rejecting: template-haskell-2.9.0.0/installed-3af..., 2.10.0.0, 2.9.0.0
(conflict: th-orphans => template-haskell>=2.7 && <2.9)
rejecting: template-haskell-2.8.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.6.*)
rejecting: template-haskell-2.7.0.0 (conflict: base==4.7.0.1/installed-e4b...,
template-haskell => base==4.5.*)
rejecting: template-haskell-2.6.0.0, 2.5.0.0, 2.4.0.1, 2.4.0.0, 2.3.0.1,
2.3.0.0, 2.2.0.0 (conflict: th-orphans => template-haskell>=2.7 && <2.9)
Dependency tree exhaustively searched.