Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: species (user goal)
rejecting: species-0.3.4.2, 0.3.4.1, 0.3.4, 0.3.3, 0.3.2.4, 0.3.2.3, 0.3.2.1,
0.3.2, 0.3.1, 0.3.0.2, 0.3.0.1 (global constraint requires ==0.3)
trying: species-0.3
trying: base-4.8.1.0/installed-4f7... (dependency of species-0.3)
next goal: template-haskell (dependency of species-0.3)
rejecting: template-haskell-2.10.0.0/installed-90e..., 2.10.0.0, 2.9.0.0,
2.8.0.0, 2.7.0.0, 2.6.0.0, 2.5.0.0 (conflict: species => template-haskell>=2.4
&& <2.5)
rejecting: template-haskell-2.4.0.1 (conflict: base==4.8.1.0/installed-4f7...,
template-haskell => base==4.2.*)
rejecting: template-haskell-2.4.0.0 (conflict: base==4.8.1.0/installed-4f7...,
template-haskell => base>=3 && <4.3)
rejecting: template-haskell-2.3.0.1, 2.3.0.0, 2.2.0.0 (conflict: species =>
template-haskell>=2.4 && <2.5)
Dependency tree exhaustively searched.