Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: Graphalyze (user goal)
rejecting: Graphalyze-0.14.1.0, 0.14.0.2, 0.14.0.1, 0.14.0.0, 0.13.0.1,
0.13.0.0 (global constraint requires ==0.12.0.0)
trying: Graphalyze-0.12.0.0
trying: text-1.2.0.6 (dependency of Graphalyze-0.12.0.0)
trying: bytestring-0.10.4.0/installed-9f4... (dependency of text-1.2.0.6)
next goal: graphviz (dependency of Graphalyze-0.12.0.0)
rejecting: graphviz-2999.17.0.2, 2999.17.0.1, 2999.17.0.0, 2999.16.0.0,
2999.15.0.1, 2999.15.0.0, 2999.14.1.0, 2999.14.0.0, 2999.13.0.3, 2999.13.0.2,
2999.13.0.1, 2999.13.0.0 (conflict: Graphalyze => graphviz==2999.12.*)
rejecting: graphviz-2999.12.0.4, 2999.12.0.3, 2999.12.0.2, 2999.12.0.1,
2999.12.0.0 (conflict: bytestring==0.10.4.0/installed-9f4..., graphviz =>
bytestring==0.9.*)
rejecting: graphviz-2999.11.0.0, 2999.10.0.1, 2999.10.0.0, 2999.9.0.0,
2999.8.0.0, 2999.7.0.0, 2999.6.0.0, 2999.5.1.1, 2999.5.1.0, 2999.5.0.0,
2999.1.0.2, 2999.1.0.1, 2999.1.0.0, 2999.0.0.0, 2009.5.1, 2008.9.20, 2008.9.6,
2008.7.11, 2008.7.10 (conflict: Graphalyze => graphviz==2999.12.*)
Dependency tree exhaustively searched.