Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: alex-meta (user goal)
rejecting: alex-meta-0.3.0.8, 0.3.0.7, 0.3.0.6, 0.3.0.5 (global constraint
requires ==0.3.0.4)
trying: alex-meta-0.3.0.4
trying: base-4.8.1.0/installed-4f7... (dependency of alex-meta-0.3.0.4)
trying: haskell-src-meta-0.6.0.11 (dependency of alex-meta-0.3.0.4)
next goal: template-haskell (dependency of alex-meta-0.3.0.4)
rejecting: template-haskell-2.10.0.0/installed-90e..., 2.10.0.0, 2.9.0.0
(conflict: alex-meta => template-haskell>=2.5 && <2.9)
rejecting: template-haskell-2.8.0.0 (conflict: base==4.8.1.0/installed-4f7...,
template-haskell => base==4.6.*)
rejecting: template-haskell-2.7.0.0 (conflict: base==4.8.1.0/installed-4f7...,
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 && <2.9)
Dependency tree exhaustively searched.