Resolving dependencies...
cabal: Could not resolve dependencies:
trying: rest-happstack-0.2.10.7 (user goal)
trying: rest-gen-0.17.0.0 (dependency of rest-happstack-0.2.10.7)
trying: fclabels-2.0.2.2 (dependency of rest-gen-0.17.0.0)
trying: transformers-0.3.0.0/installed-16a... (dependency of fclabels-2.0.2.2)
trying: rest-core-0.35 (dependency of rest-happstack-0.2.10.7)
trying: transformers-compat-0.4.0.4 (dependency of rest-core-0.35)
trying: transformers-compat-0.4.0.4:-two
rejecting: transformers-compat-0.4.0.4:-three (conflict:
transformers==0.3.0.0/installed-16a..., transformers-compat-0.4.0.4:three =>
transformers>=0.4.1 && <0.5)
rejecting: transformers-compat-0.4.0.4:+three (manual flag can only be changed
explicitly)
Backjump limit reached (change with --max-backjumps).