Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: supercollider-midi (user goal)
rejecting: supercollider-midi-0.2.1 (global constraint requires ==0.2)
trying: supercollider-midi-0.2
trying: non-negative-0.1.1 (dependency of supercollider-midi-0.2)
trying: QuickCheck-2.8.1 (dependency of non-negative-0.1.1)
trying: containers-0.5.6.2/installed-2de... (dependency of QuickCheck-2.8.1)
next goal: alsa-seq (dependency of supercollider-midi-0.2)
rejecting: alsa-seq-0.6.0.5, 0.6.0.4, 0.6.0.3, 0.6.0.2, 0.6.0.1, 0.6
(conflict: supercollider-midi => alsa-seq>=0.5 && <0.6)
rejecting: alsa-seq-0.5.1.1 (conflict: containers =>
array==0.5.1.0/installed-d42..., alsa-seq => array>=0.1 && <0.5)
rejecting: alsa-seq-0.5.1, 0.5 (conflict: containers =>
array==0.5.1.0/installed-d42..., alsa-seq => array>=0.1 && <0.4)
Dependency tree exhaustively searched.