Resolving dependencies... cabal: Could not resolve dependencies: next goal: sunroof-examples (user goal) rejecting: sunroof-examples-0.2.2 (global constraint requires ==0.2) trying: sunroof-examples-0.2 next goal: sunroof-server (dependency of sunroof-examples-0.2) rejecting: sunroof-server-0.2.1 (conflict: sunroof-examples => sunroof-server==0.2) trying: sunroof-server-0.2 trying: warp-3.0.13.1 (dependency of sunroof-server-0.2) trying: blaze-builder-0.4.0.1 (dependency of warp-3.0.13.1) next goal: scotty (dependency of sunroof-server-0.2) rejecting: scotty-0.10.0, 0.9.1, 0.9.0, 0.8.2, 0.8.1, 0.8.0, 0.7.3, 0.7.2, 0.7.1, 0.7.0, 0.6.2, 0.6.1, 0.6.0, 0.5.0 (conflict: sunroof-server => scotty>=0.4.2 && <0.5) rejecting: scotty-0.4.6 (conflict: blaze-builder==0.4.0.1, scotty => blaze-builder==0.3.1.0) rejecting: scotty-0.4.5, 0.4.4, 0.4.3, 0.4.2 (conflict: blaze-builder==0.4.0.1, scotty => blaze-builder==0.3) rejecting: scotty-0.4.1, 0.4.0, 0.3.0, 0.2.0, 0.1.0, 0.0.1 (conflict: sunroof-server => scotty>=0.4.2 && <0.5) Backjump limit reached (change with --max-backjumps).