Resolving dependencies... cabal: Could not resolve dependencies: trying: clone-all-0.1.0.0 (user goal) trying: transformers-0.3.0.0/installed-16a... (dependency of clone-all-0.1.0.0) trying: github-0.13.2 (dependency of clone-all-0.1.0.0) trying: conduit-1.2.4.2 (dependency of github-0.13.2) trying: transformers-base-0.4.4 (dependency of conduit-1.2.4.2) 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.