Resolving dependencies...
cabal: Could not resolve dependencies:
trying: rest-happstack-0.2.10.6 (user goal)
trying: rest-gen-0.16.1.7 (dependency of rest-happstack-0.2.10.6)
trying: fclabels-2.0.2.2 (dependency of rest-gen-0.16.1.7)
trying: transformers-0.3.0.0/installed-16a... (dependency of fclabels-2.0.2.2)
trying: rest-core-0.34.0.2 (dependency of rest-happstack-0.2.10.6)
trying: either-4.3.3 (dependency of rest-core-0.34.0.2)
trying: semigroupoids-4.2 (dependency of either-4.3.3)
trying: semigroupoids-4.2:+comonad
trying: comonad-4.2.2 (dependency of semigroupoids-4.2:+comonad)
trying: transformers-compat-0.3.3.4 (dependency of comonad-4.2.2)
trying: transformers-compat-0.3.3.4:-two
rejecting: transformers-compat-0.3.3.4:-three (conflict:
transformers==0.3.0.0/installed-16a..., transformers-compat-0.3.3.4:three =>
transformers>=0.4.1 && <0.5)
rejecting: transformers-compat-0.3.3.4:+three (manual flag can only be changed
explicitly)
Backjump limit reached (change with --max-backjumps).