Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: ad (user goal)
rejecting: ad-4.2.4, 4.2.3, 4.2.2, 4.2.1.1, 4.2.1, 4.2.0.1, 4.2, 4.1, 4.0.0.1,
4.0, 3.4, 3.3.1.1, 3.3.1, 3.3.0.1, 3.2.2, 3.2.1, 3.2, 3.1.4, 3.1.3, 3.1.2,
3.1.1, 3.0.1, 3.0, 1.5.0.2, 1.5.0.1, 1.5, 1.4, 1.3.1, 1.3.0.1, 1.3, 1.2.0.2,
1.2.0.1, 1.2.0, 1.1.3, 1.1.1, 1.1.0.1, 1.1.0, 1.0.6, 1.0.5, 1.0.4, 1.0.3,
1.0.2, 1.0.1, 1.0.0 (global constraint requires ==0.47.0)
trying: ad-0.47.0
trying: base-4.8.1.0/installed-4f7... (dependency of ad-0.47.0)
next goal: streams (dependency of ad-0.47.0)
rejecting: streams-3.2.1, 3.2, 3.1.1, 3.1, 3.0.1.1, 3.0.1, 3.0.0.1, 3.0,
0.8.2, 0.8.1, 0.8.0.4, 0.8.0.3, 0.8.0.2, 0.8.0.1, 0.8.0, 0.7.2, 0.7.1, 0.7.0,
0.6.3, 0.6.1.2, 0.6.1.1, 0.6.0.1, 0.6.0 (conflict: ad => streams>=0.5 && <0.6)
rejecting: streams-0.5.1.2, 0.5.1.1, 0.5.1, 0.5.0 (conflict:
base==4.8.1.0/installed-4f7..., streams => base>=4 && <4.4)
rejecting: streams-0.4, 0.3.1, 0.3, 0.2, 0.1.1 (conflict: ad => streams>=0.5
&& <0.6)
Dependency tree exhaustively searched.