Resolving dependencies...
cabal: Could not resolve dependencies:
next goal: trifecta (user goal)
rejecting: trifecta-1.6.1, trifecta-1.6, trifecta-1.5.2, trifecta-1.5.1.3,
trifecta-1.5.1.2, trifecta-1.5.1.1, trifecta-1.5.1, trifecta-1.5,
trifecta-1.4.3, trifecta-1.4.2, trifecta-1.4.1, trifecta-1.4,
trifecta-1.2.1.1, trifecta-1.2.1, trifecta-1.2, trifecta-1.1, trifecta-1.0,
trifecta-0.53, trifecta-0.52, trifecta-0.51.0.1, trifecta-0.51,
trifecta-0.50.2.1, trifecta-0.50.1, trifecta-0.50, trifecta-0.49.1,
trifecta-0.49, trifecta-0.47, trifecta-0.46, trifecta-0.45, trifecta-0.44,
trifecta-0.43, trifecta-0.42, trifecta-0.41, trifecta-0.40, trifecta-0.39,
trifecta-0.38, trifecta-0.37, trifecta-0.36.3, trifecta-0.36.2,
trifecta-0.36.1, trifecta-0.36 (constraint from user target requires ==0.35)
trying: trifecta-0.35
next goal: base (dependency of trifecta-0.35)
rejecting: base-4.9.0.0/installed-4.9... (conflict: trifecta => base>=4.3 &&
<4.4)
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.