Resolving dependencies...
cabal: Could not resolve dependencies:
trying: set-cover-0.0.8 (user goal)
next goal: utility-ht (dependency of set-cover-0.0.8)
rejecting: utility-ht-0.0.11, 0.0.10, 0.0.9, 0.0.8, 0.0.7.1, 0.0.7, 0.0.6,
0.0.5.1, 0.0.5, 0.0.4, 0.0.3, 0.0.2, 0.0.1 (conflict: set-cover =>
utility-ht>=0.0.12 && <0.1)
Dependency tree exhaustively searched.