Resolving dependencies...
cabal: Could not resolve dependencies:
trying: apply-refact-0.4.0.0 (user goal)
next goal: ghc (dependency of apply-refact-0.4.0.0)
rejecting: ghc-8.0.2/installed-8.0... (conflict: apply-refact => ghc>=8.2.0 &&
<8.3)
Dependency tree exhaustively searched.