Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: highlight-versions (user goal)
rejecting: highlight-versions-0.1.3.6, highlight-versions-0.1.3.5,
highlight-versions-0.1.3.4, highlight-versions-0.1.3.3,
highlight-versions-0.1.3.2, highlight-versions-0.1.3.1,
highlight-versions-0.1.3, highlight-versions-0.1.2.3,
highlight-versions-0.1.2.2, highlight-versions-0.1.2.1,
highlight-versions-0.1.2.0 (constraint from user target requires ==0.1.1.0)
trying: highlight-versions-0.1.1.0
trying: unix-2.7.2.0/installed-2.7... (dependency of ansi-terminal-0.5.5.1)
next goal: Cabal (dependency of highlight-versions-0.1.1.0)
rejecting: Cabal-1.24.0.0/installed-1.2..., Cabal-1.24.2.0, Cabal-1.24.0.0,
Cabal-1.22.8.0, Cabal-1.22.7.0, Cabal-1.22.6.0, Cabal-1.22.5.0,
Cabal-1.22.4.0, Cabal-1.22.3.0, Cabal-1.22.2.0, Cabal-1.22.1.1,
Cabal-1.22.1.0, Cabal-1.22.0.0, Cabal-1.20.0.4, Cabal-1.20.0.3,
Cabal-1.20.0.2, Cabal-1.20.0.1, Cabal-1.20.0.0, Cabal-1.18.1.7,
Cabal-1.18.1.6, Cabal-1.18.1.5, Cabal-1.18.1.4, Cabal-1.18.1.3,
Cabal-1.18.1.2, Cabal-1.18.1.1, Cabal-1.18.1, Cabal-1.18.0, Cabal-1.16.0.3,
Cabal-1.16.0.2, Cabal-1.16.0.1, Cabal-1.16.0 (conflict: highlight-versions =>
Cabal==1.14.*)
rejecting: Cabal-1.14.0 (conflict: unix==2.7.2.0/installed-2.7..., Cabal =>
unix>=2.0 && <2.6)
rejecting: Cabal-1.12.0, Cabal-1.10.2.0, Cabal-1.10.1.0, Cabal-1.10.0.0,
Cabal-1.8.0.6, Cabal-1.8.0.4, Cabal-1.8.0.2, Cabal-1.6.0.3, Cabal-1.6.0.2,
Cabal-1.6.0.1, Cabal-1.4.0.2, Cabal-1.4.0.1, Cabal-1.4.0.0, Cabal-1.2.4.0,
Cabal-1.2.3.0, Cabal-1.2.2.0, Cabal-1.2.1, Cabal-1.1.6, Cabal-1.24.1.0
(conflict: highlight-versions => Cabal==1.14.*)
Dependency tree exhaustively searched.