Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: DrIFT-cabalized (user goal)
rejecting: DrIFT-cabalized-2.3.0, DrIFT-cabalized-2.2.4,
DrIFT-cabalized-2.2.3.3, DrIFT-cabalized-2.2.3.2 (constraint from user target
requires ==2.2.3.1)
trying: DrIFT-cabalized-2.2.3.1
next goal: base (dependency of DrIFT-cabalized-2.2.3.1)
rejecting: base-4.9.0.0/installed-4.9... (conflict: DrIFT-cabalized => base<4)
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.