Resolving dependencies... cabal: Could not resolve dependencies: next goal: mighttpd2 (user goal) rejecting: mighttpd2-3.2.7, 3.2.6, 3.2.5, 3.2.4, 3.2.3, 3.2.2, 3.2.1, 3.2.0, 3.1.3, 3.1.2, 3.1.1, 3.1.0, 3.0.6, 3.0.5, 3.0.4, 3.0.3, 3.0.1, 3.0.0, 2.8.9, 2.8.8, 2.8.7, 2.8.6, 2.8.5, 2.8.4, 2.8.3, 2.8.2, 2.8.1, 2.8.0, 2.7.2, 2.7.1, 2.7.0, 2.6.0, 2.5.11, 2.5.10, 2.5.9, 2.5.8, 2.5.7, 2.5.6, 2.5.5, 2.5.4, 2.5.3, 2.5.2, 2.5.1, 2.5.0, 2.4.2, 2.4.1 (global constraint requires ==2.4.0) trying: mighttpd2-2.4.0 trying: http-enumerator-0.7.3.3 (dependency of mighttpd2-2.4.0) next goal: asn1-data (dependency of http-enumerator-0.7.3.3) rejecting: asn1-data-0.7.1, 0.7.0 (conflict: http-enumerator => asn1-data>=0.5.1 && <0.7) trying: asn1-data-0.6.1.3 trying: text-1.2.1.1 (dependency of asn1-data-0.6.1.3) next goal: certificate (dependency of http-enumerator-0.7.3.3) 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 (conflict: http-enumerator => certificate>=1.1 && <1.2) trying: certificate-1.1.1 next goal: tls-extra (dependency of http-enumerator-0.7.3.3) rejecting: tls-extra-0.6.6, 0.6.5, 0.6.4, 0.6.3, 0.6.1, 0.6.0, 0.5.1, 0.5.0 (conflict: http-enumerator => tls-extra>=0.4.3 && <0.5) rejecting: tls-extra-0.4.7.1, 0.4.7, 0.4.6.1, 0.4.6, 0.4.5 (conflict: certificate==1.1.1, tls-extra => certificate>=1.2.0 && <1.3.0) rejecting: tls-extra-0.4.4, 0.4.3 (conflict: text==1.2.1.1, tls-extra => text>=0.5 && <1.0) rejecting: tls-extra-0.4.2.1, 0.4.2, 0.4.1, 0.4.0, 0.3.1, 0.3.0, 0.2.3, 0.2.2, 0.2.1, 0.2.0, 0.1.9, 0.1.8, 0.1.7, 0.1.6, 0.1.5, 0.1.4, 0.1.3, 0.1.2, 0.1.1, 0.1.0 (conflict: http-enumerator => tls-extra>=0.4.3 && <0.5) Backjump limit reached (change with --max-backjumps).