Resolving dependencies...
cabal: Could not resolve dependencies:
trying: cabal-dev-0.9.2 (user goal)
next goal: process (dependency of cabal-dev-0.9.2)
rejecting: process-1.2.3.0/installed-f02..., 1.3.0.0, 1.2.3.0, 1.2.2.0,
1.2.1.0, 1.2.0.0 (conflict: cabal-dev => process>=1.0 && <1.2)
trying: process-1.1.0.2
trying: unix-2.7.1.0/installed-643... (dependency of process-1.1.0.2)
next goal: time (dependency of unix-2.7.1.0/installed-643...)
rejecting: time-1.5.0.1/installed-c20... (conflict: time =>
deepseq==1.4.1.1/installed-8fb..., process => deepseq>=1.1 && <1.4)
rejecting: time-1.5.0.1, 1.5, 1.4.2, 1.4.1, 1.4.0.2, 1.4.0.1, 1.4, 1.3,
1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.1, 1.2, 1.1.4, 1.1.3, 1.1.2.4,
1.1.2.3, 1.1.2.2, 1.1.2.1, 1.1.2.0, 1.0 (conflict: unix =>
time==1.5.0.1/installed-c20...)
Dependency tree exhaustively searched.