Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: cabal-install (user goal)
rejecting: cabal-install-1.24.0.2, cabal-install-1.24.0.1,
cabal-install-1.24.0.0, cabal-install-1.22.9.0, cabal-install-1.22.8.0,
cabal-install-1.22.7.0, cabal-install-1.22.6.0, cabal-install-1.22.5.0,
cabal-install-1.22.4.0, cabal-install-1.22.3.0, cabal-install-1.22.2.0,
cabal-install-1.22.0.1, cabal-install-1.22.0.0, cabal-install-1.20.2.0,
cabal-install-1.20.1.0, cabal-install-1.20.0.6, cabal-install-1.20.0.5,
cabal-install-1.20.0.4, cabal-install-1.20.0.3, cabal-install-1.20.0.2,
cabal-install-1.20.0.1, cabal-install-1.20.0.0, cabal-install-1.18.2.0,
cabal-install-1.18.1.0, cabal-install-1.18.0.8, cabal-install-1.18.0.7,
cabal-install-1.18.0.6, cabal-install-1.18.0.5, cabal-install-1.18.0.4
(constraint from user target requires ==1.18.0.3)
trying: cabal-install-1.18.0.3
next goal: base (dependency of cabal-install-1.18.0.3)
rejecting: base-4.9.0.0/installed-4.9... (conflict: cabal-install => base>=4
&& <4.8)
rejecting: base-4.9.0.0, base-4.8.2.0, base-4.8.1.0, base-4.8.0.0,
base-4.7.0.2, base-4.7.0.1, base-4.7.0.0, base-4.6.0.1, base-4.6.0.0,
base-4.5.1.0, base-4.5.0.0, base-4.4.1.0, base-4.4.0.0, base-4.3.1.0,
base-4.3.0.0, base-4.2.0.2, base-4.2.0.1, base-4.2.0.0, base-4.1.0.0,
base-4.0.0.0, base-3.0.3.2, base-3.0.3.1 (constraint from non-upgradeable
package requires installed instance)
Dependency tree exhaustively searched.