Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: darcs-fastconvert (user goal)
rejecting: darcs-fastconvert-0.2.1 (global constraint requires ==0.2)
trying: darcs-fastconvert-0.2
trying: mtl-2.2.1 (dependency of darcs-fastconvert-0.2)
trying: darcs-fastconvert-0.2:+beta
next goal: darcs-beta (dependency of darcs-fastconvert-0.2:+beta)
rejecting: darcs-beta-2.7.99.2, 2.7.99.1, 2.7.98.3, 2.7.98.2, 2.7.98.1
(conflict: darcs-fastconvert-0.2:beta => darcs-beta>=2.4.98.5 && <2.5)
rejecting: darcs-beta-2.4.99.1, 2.4.98.5 (conflict: mtl==2.2.1, darcs-beta =>
mtl>=1.0 && <1.2)
rejecting: darcs-beta-2.4.98.4, 2.4.98.3, 2.4.98.2, 2.4.98.1, 2.3.99.2,
2.3.98.3, 2.3.98.2, 2.3.98.1, 2.2.98.4, 2.2.98.3, 2.2.98.2, 2.2.98.1
(conflict: darcs-fastconvert-0.2:beta => darcs-beta>=2.4.98.5 && <2.5)
Dependency tree exhaustively searched.