Resolving dependencies... cabal: Could not resolve dependencies: next goal: xml-conduit (user goal) rejecting: xml-conduit-1.4.0.2, xml-conduit-1.4.0.1, xml-conduit-1.4.0, xml-conduit-1.3.5, xml-conduit-1.3.4.2 (constraint from user target requires ==1.3.4.1) trying: xml-conduit-1.3.4.1 trying: base-4.9.0.0/installed-4.9... (dependency of xml-conduit-1.3.4.1) trying: transformers-compat-0.5.1.4 (dependency of monad-control-1.0.1.0) trying: transformers-compat-0.5.1.4:-two trying: transformers-compat-0.5.1.4:+mtl trying: transformers-compat-0.5.1.4:-three next goal: transformers (dependency of xml-conduit-1.3.4.1) rejecting: transformers-0.5.2.0/installed-0.5..., transformers-0.5.2.0, transformers-0.5.1.0, transformers-0.5.0.1, transformers-0.5.0.0 (conflict: xml-conduit => transformers>=0.2 && <0.5) rejecting: transformers-0.4.3.0, transformers-0.4.2.0 (conflict: base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.9) rejecting: transformers-0.4.1.0 (conflict: base==4.9.0.0/installed-4.9..., transformers => base>=2 && <4.8 || >=1.0 && <2) rejecting: transformers-0.3.0.0 (conflict: transformers-compat-0.5.1.4:three => transformers>=0.2 && <0.3 || >=0.4.1 && <0.6) rejecting: transformers-0.2.2.1, transformers-0.2.1.0, transformers-0.2.0.0 (conflict: transformers-compat-0.5.1.4:three => transformers>=0.4.1 && <0.6) rejecting: transformers-0.1.4.0, transformers-0.1.3.0, transformers-0.1.1.0, transformers-0.1.0.1, transformers-0.0.1.0, transformers-0.0.0.0, transformers-0.5.0.2 (conflict: xml-conduit => transformers>=0.2 && <0.5) rejecting: transformers-0.4.0.0 (conflict: transformers-compat => transformers>=0.3 && <0.4 || >=0.2 && <0.3 || >=0.4.1 && <0.6) rejecting: transformers-0.2.2.0 (conflict: transformers-compat-0.5.1.4:three => transformers>=0.4.1 && <0.6) rejecting: transformers-0.1.0.0 (conflict: xml-conduit => transformers>=0.2 && <0.5) Dependency tree exhaustively searched.