Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: MissingH (user goal)
rejecting: MissingH-1.3.0.1, 1.2.1.0, 1.2.0.2, 1.2.0.1, 1.2.0.0, 1.1.1.0,
1.1.0.3, 1.1.0.2, 1.1.0.1, 1.1.0, 1.0.3, 1.0.2.1, 1.0.2.0, 1.0.1.2, 1.0.1.1,
1.0.1, 1.0.0, 0.18.6 (global constraint requires ==0.18.2)
trying: MissingH-0.18.2
next goal: FilePath (dependency of MissingH-0.18.2)
Dependency tree exhaustively searched.