Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: xmonad-contrib (user goal)
rejecting: xmonad-contrib-0.11.4, 0.11.3, 0.11.2, 0.11.1, 0.11, 0.10 (global
constraint requires ==0.9.2)
trying: xmonad-contrib-0.9.2
trying: base-4.8.1.0/installed-4f7... (dependency of xmonad-contrib-0.9.2)
rejecting: xmonad-contrib-0.9.2:+small_base (conflict:
base==4.8.1.0/installed-4f7..., xmonad-contrib-0.9.2:small_base => base>=3 &&
<4.5)
rejecting: xmonad-contrib-0.9.2:-small_base (conflict:
base==4.8.1.0/installed-4f7..., xmonad-contrib-0.9.2:small_base => base<3)
Dependency tree exhaustively searched.