Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: ghci-haskeline (user goal)
rejecting: ghci-haskeline-0.2, 0.1.1 (global constraint requires ==0.1)
trying: ghci-haskeline-0.1
next goal: unix (dependency of ghci-haskeline-0.1)
rejecting: unix-2.7.1.0/installed-643... (conflict: unix =>
bytestring==0.10.6.0/installed-236..., ghci-haskeline => bytestring>=0.9 &&
<0.10)
trying: unix-2.7.1.0
trying: time-1.5.0.1/installed-c20... (dependency of unix-2.7.1.0)
next goal: deepseq (dependency of time-1.5.0.1/installed-c20...)
rejecting: deepseq-1.4.1.1/installed-8fb... (conflict: deepseq =>
array==0.5.1.0/installed-d42..., ghci-haskeline => array>=0.1 && <0.3)
rejecting: deepseq-1.4.1.2, 1.4.1.1, 1.4.1.0, 1.4.0.0, 1.3.0.2, 1.3.0.1,
1.3.0.0, 1.2.0.1, 1.2.0.0, 1.1.0.2, 1.1.0.1, 1.1.0.0, 1.0.0.0 (conflict: time
=> deepseq==1.4.1.1/installed-8fb...)
Dependency tree exhaustively searched.