Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: alex-meta (user goal)
rejecting: alex-meta-0.3.0.7, 0.3.0.6, 0.3.0.5, 0.3.0.4 (global constraint
requires ==0.3.0.3)
trying: alex-meta-0.3.0.3
trying: base-4.7.0.1/installed-e4b... (dependency of alex-meta-0.3.0.3)
trying: haskell-src-meta-0.6.0.9 (dependency of alex-meta-0.3.0.3)
next goal: template-haskell (dependency of alex-meta-0.3.0.3)
rejecting: template-haskell-2.9.0.0/installed-3af..., 2.10.0.0, 2.9.0.0,
2.8.0.0 (conflict: alex-meta => template-haskell>=2.5 && <2.8)
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 (conflict: haskell-src-meta =>
template-haskell>=2.7 && <2.11)
rejecting: template-haskell-2.4.0.1, 2.4.0.0, 2.3.0.1, 2.3.0.0, 2.2.0.0
(conflict: alex-meta => template-haskell>=2.5 && <2.8)
Dependency tree exhaustively searched.