Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: shuffle (user goal)
rejecting: shuffle-0.1.3.3, shuffle-0.1.3.2, shuffle-0.1.3.1 (constraint from
user target requires ==0.1.3.0)
rejecting: shuffle-0.1.3.0 (conflict: shuffle => shuffle==0.1.2.0)
rejecting: shuffle-0.1.2.0, shuffle-0.1.1.0, shuffle-0.1.0.2, shuffle-0.1.0.1,
shuffle-0.1.0.0 (constraint from user target requires ==0.1.3.0)
Dependency tree exhaustively searched.