Resolving dependencies... cabal: Could not resolve dependencies: next goal: xml-enumerator (dependency of aws-0.0.4) rejecting: xml-enumerator-0.4.4.1, xml-enumerator-0.4.4, xml-enumerator-0.4.3.2, xml-enumerator-0.4.3.1, xml-enumerator-0.4.2.1, xml-enumerator-0.4.2, xml-enumerator-0.4.1, xml-enumerator-0.4.0 (conflict: aws => xml-enumerator>=0.3.3.667 && <0.4) trying: xml-enumerator-0.3.4 trying: deepseq-1.4.2.0/installed-1.4... (dependency of process-1.4.3.0) next goal: attoparsec-text (dependency of xml-enumerator-0.3.4) rejecting: attoparsec-text-0.8.5.3, attoparsec-text-0.8.5.2, attoparsec-text-0.8.5.1, attoparsec-text-0.8.5.0, attoparsec-text-0.8.2.1, attoparsec-text-0.8.2.0 (conflict: deepseq => array==0.5.1.1/installed-0.5..., attoparsec-text => array>=0.1 && <0.4) rejecting: attoparsec-text-0.8.0.0 (conflict: xml-enumerator => attoparsec-text>=0.8.2 && <0.9) Dependency tree exhaustively searched.