Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: astrds (user goal)
rejecting: astrds-0.1.1 (global constraint requires ==0.1)
trying: astrds-0.1
trying: MonadRandom-0.4 (dependency of astrds-0.1)
next goal: mtl (dependency of astrds-0.1)
rejecting: mtl-2.2.1/installed-bfb..., 2.2.1, 2.2.0.1, 2.2, 2.1.3.1, 2.1.2,
2.1.1, 2.1, 2.0.1.1, 2.0.1.0, 2.0.0.0 (conflict: astrds => mtl>=1.1 && <1.2)
rejecting: mtl-1.1.1.1, 1.1.1.0, 1.1.0.2, 1.1.0.1, 1.1.0.0 (conflict:
MonadRandom => mtl>=2.1 && <2.3)
rejecting: mtl-1.0 (conflict: astrds => mtl>=1.1 && <1.2)
Dependency tree exhaustively searched.