Resolving dependencies... cabal: Could not resolve dependencies: next goal: clckwrks-dot-com (user goal) rejecting: clckwrks-dot-com-0.3.11, 0.3.9, 0.3.7, 0.3.6, 0.3.5, 0.3.4 (global constraint requires ==0.3.3) trying: clckwrks-dot-com-0.3.3 next goal: mtl (dependency of clckwrks-dot-com-0.3.3) rejecting: mtl-2.2.1, 2.2.0.1, 2.2 (conflict: clckwrks-dot-com => mtl>=2.0 && <2.2) trying: mtl-2.1.3.1 trying: transformers-0.3.0.0/installed-16a... (dependency of mtl-2.1.3.1) next goal: happstack-server (dependency of clckwrks-dot-com-0.3.3) rejecting: happstack-server-7.4.4, 7.4.3, 7.4.2, 7.4.1, 7.4.0 (conflict: clckwrks-dot-com => happstack-server>=7.0 && <7.4) trying: happstack-server-7.3.9 trying: transformers-base-0.4.4 (dependency of happstack-server-7.3.9) trying: transformers-compat-0.4.0.4 (dependency of transformers-base-0.4.4) 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) Dependency tree exhaustively searched.