Resolving dependencies... cabal: Could not resolve dependencies: next goal: authenticate (user goal) rejecting: authenticate-1.3.2.11, 1.3.2.10, 1.3.2.9, 1.3.2.8, 1.3.2.7, 1.3.2.6, 1.3.2.5, 1.3.2.4, 1.3.2.3, 1.3.2.2, 1.3.2.1, 1.3.2, 1.3.1.2, 1.3.1.1, 1.3.1, 1.3.0.1, 1.3.0, 1.2.1.1, 1.2.1, 1.2.0.1, 1.2.0, 1.1.0, 1.0.0.1, 1.0.0, 0.11.1, 0.11.0.1, 0.11.0, 0.10.4, 0.10.3.1, 0.10.3, 0.10.2.2, 0.10.2.1, 0.10.2 (global constraint requires ==0.10.1) trying: authenticate-0.10.1 next goal: tls (dependency of authenticate-0.10.1) rejecting: tls-1.2.17, 1.2.16, 1.2.15, 1.2.14, 1.2.13, 1.2.12, 1.2.11, 1.2.10, 1.2.9, 1.2.8, 1.2.7, 1.2.6, 1.2.5, 1.2.4, 1.2.3, 1.2.2, 1.2.1, 1.2.0, 1.1.5, 1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.3, 1.0.2, 1.0.1, 1.0.0, 0.9.11, 0.9.10, 0.9.9, 0.9.8, 0.9.7, 0.9.6, 0.9.5, 0.9.4, 0.9.3, 0.9.2, 0.9.1, 0.9.0, 0.8.5, 0.8.4, 0.8.3.2, 0.8.3.1, 0.8.3, 0.8.2, 0.8.1, 0.8.0 (conflict: authenticate => tls>=0.7 && <0.8) trying: tls-0.7.2 next goal: certificate (dependency of tls-0.7.2) rejecting: certificate-1.3.9, 1.3.8, 1.3.7, 1.3.6, 1.3.5, 1.3.3, 1.3.2, 1.3.1, 1.3.0, 1.2.9, 1.2.8, 1.2.7, 1.2.6, 1.2.5, 1.2.4, 1.2.3, 1.2.2, 1.2.1, 1.2.0, 1.1.1, 1.1.0, 1.0.1, 1.0.0 (conflict: tls => certificate>=0.9 && <1.0) trying: certificate-0.9.5 next goal: asn1-data (dependency of certificate-0.9.5) rejecting: asn1-data-0.7.1, 0.7.0 (conflict: certificate => asn1-data>=0.6.1 && <0.7) trying: asn1-data-0.6.1.3 trying: attoparsec-enumerator-0.3.4 (dependency of asn1-data-0.6.1.3) next goal: attoparsec (dependency of authenticate-0.10.1) rejecting: attoparsec-0.13.0.0, 0.12.1.6, 0.12.1.5, 0.12.1.4, 0.12.1.3, 0.12.1.2, 0.12.1.1, 0.12.1.0, 0.12.0.0, 0.11.3.4, 0.11.3.3, 0.11.3.2, 0.11.3.1, 0.11.3.0, 0.11.2.1, 0.11.1.0, 0.10.4.0, 0.10.3.0, 0.10.2.0, 0.10.1.1, 0.10.1.0, 0.10.0.3, 0.10.0.2, 0.10.0.1, 0.10.0.0 (conflict: authenticate => attoparsec>=0.9 && <0.10) rejecting: attoparsec-0.9.1.2, 0.9.1.1, 0.9.0.0 (conflict: attoparsec-enumerator => attoparsec>=0.10 && <0.14) rejecting: attoparsec-0.8.6.1, 0.8.6.0, 0.8.5.3, 0.8.5.2, 0.8.5.1, 0.8.5.0, 0.8.4.0, 0.8.3.0, 0.8.2.0, 0.8.1.1, 0.8.1.0, 0.8.0.2, 0.8.0.1, 0.8.0.0, 0.7.2, 0.7.1, 0.6, 0.5.1, 0.5, 0.4 (conflict: authenticate => attoparsec>=0.9 && <0.10) Dependency tree exhaustively searched.