Resolving dependencies... cabal: Could not resolve dependencies: next goal: http-conduit-browser (user goal) rejecting: http-conduit-browser-2.0.0.0, 1.9.0.2, 1.9.0.1, 1.9.0, 1.8.1.1, 1.8.1, 1.8, 1.7.2.1, 1.7.2, 1.7.1.2, 1.7.1.1 (global constraint requires ==1.7.1) trying: http-conduit-browser-1.7.1 next goal: resourcet (dependency of http-conduit-browser-1.7.1) rejecting: resourcet-1.1.6, 1.1.5, 1.1.4.1, 1.1.4, 1.1.3.3, 1.1.3.2, 1.1.3.1, 1.1.3, 1.1.2.3, 1.1.2.2, 1.1.2.1, 1.1.2, 1.1.1, 1.1.0.1, 1.1.0 (conflict: http-conduit-browser => resourcet>=0.3 && <0.5) trying: resourcet-0.4.10.2 next goal: transformers (dependency of resourcet-0.4.10.2) rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0 (conflict: resourcet => transformers>=0.2.2 && <0.4) trying: transformers-0.3.0.0 trying: transformers-base-0.4.4 (dependency of resourcet-0.4.10.2) 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, 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.