Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: hack-handler-hyena (user goal)
rejecting: hack-handler-hyena-2010.3.15, 2010.1.18, 2010.1.17, 2009.6.23.1,
2009.6.23, 2009.4.51 (global constraint requires ==2009.4.50)
trying: hack-handler-hyena-2009.4.50
trying: base-4.8.1.0/installed-4f7... (dependency of
hack-handler-hyena-2009.4.50)
trying: hyena-0.1.0.1 (dependency of hack-handler-hyena-2009.4.50)
next goal: containers (dependency of hyena-0.1.0.1)
rejecting: containers-0.5.6.2/installed-2de..., 0.5.6.3, 0.5.6.2, 0.5.6.1,
0.5.6.0, 0.5.5.1, 0.5.5.0, 0.5.4.0, 0.5.3.1, 0.5.3.0, 0.5.2.1, 0.5.2.0,
0.5.1.0, 0.5.0.0, 0.4.2.1, 0.4.2.0, 0.4.1.0, 0.4.0.0 (conflict: hyena =>
containers>=0.3 && <0.4)
rejecting: containers-0.3.0.0 (conflict: base==4.8.1.0/installed-4f7...,
containers => base>=4.2 && <4.7)
rejecting: containers-0.2.0.1, 0.2.0.0, 0.1.0.1, 0.1.0.0 (conflict: hyena =>
containers>=0.3 && <0.4)
Dependency tree exhaustively searched.