Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: elm-reactor (user goal)
rejecting: elm-reactor-0.3.1 (global constraint requires ==0.3)
trying: elm-reactor-0.3
trying: base-4.8.1.0/installed-4f7... (dependency of elm-reactor-0.3)
next goal: elm-compiler (dependency of elm-reactor-0.3)
rejecting: elm-compiler-0.15 (conflict: elm-reactor => elm-compiler>=0.14.1 &&
<0.15)
trying: elm-compiler-0.14.1
next goal: language-ecmascript (dependency of elm-compiler-0.14.1)
rejecting: language-ecmascript-0.17.0.1, 0.17 (conflict: elm-compiler =>
language-ecmascript>=0.15 && <0.17)
rejecting: language-ecmascript-0.16.2 (conflict:
base==4.8.1.0/installed-4f7..., language-ecmascript => base>=4 && <4.8)
trying: language-ecmascript-0.16.1
next goal: template-haskell (dependency of language-ecmascript-0.16.1)
rejecting: template-haskell-2.10.0.0/installed-90e..., 2.10.0.0, 2.9.0.0
(conflict: language-ecmascript => template-haskell>=2.8 && <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, 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: language-ecmascript =>
template-haskell>=2.8 && <2.9)
Dependency tree exhaustively searched.