Resolving dependencies... cabal: Could not resolve dependencies: next goal: xml-conduit (user goal) rejecting: xml-conduit-1.3.2, 1.3.1, 1.3.0, 1.2.6, 1.2.5.1, 1.2.5, 1.2.4, 1.2.3.3, 1.2.3.2, 1.2.3.1, 1.2.3, 1.2.2, 1.2.1.1, 1.2.1, 1.2.0.3, 1.2.0.2, 1.2.0.1, 1.2.0, 1.1.0.9, 1.1.0.8, 1.1.0.7, 1.1.0.6, 1.1.0.5, 1.1.0.4, 1.1.0.3, 1.1.0.2 (global constraint requires ==1.1.0.1) trying: xml-conduit-1.1.0.1 next goal: monad-control (dependency of xml-conduit-1.1.0.1) rejecting: monad-control-1.0.0.4, 1.0.0.3, 1.0.0.2, 1.0.0.1, 1.0.0.0 (conflict: xml-conduit => monad-control>=0.3 && <0.4) trying: monad-control-0.3.3.1 trying: transformers-compat-0.4.0.4 (dependency of monad-control-0.3.3.1) trying: transformers-compat-0.4.0.4:-two trying: transformers-compat-0.4.0.4:-three next goal: transformers (dependency of xml-conduit-1.1.0.1) rejecting: transformers-0.4.2.0/installed-21d..., 0.4.3.0, 0.4.2.0, 0.4.1.0 (conflict: xml-conduit => transformers>=0.2 && <0.4) rejecting: transformers-0.3.0.0, 0.2.2.1, 0.2.2.0, 0.2.1.0, 0.2.0.0 (conflict: transformers-compat-0.4.0.4:three => transformers>=0.4.1 && <0.5) rejecting: transformers-0.1.4.0, 0.1.3.0, 0.1.1.0, 0.1.0.1, 0.1.0.0, 0.0.1.0, 0.0.0.0, 0.4.0.0 (conflict: xml-conduit => transformers>=0.2 && <0.4) Backjump limit reached (change with --max-backjumps).