Resolving dependencies... cabal: Could not resolve dependencies: next goal: wai-app-file-cgi (user goal) rejecting: wai-app-file-cgi-3.0.7, 3.0.6, 3.0.5, 3.0.4, 3.0.3, 3.0.2, 3.0.1, 3.0.0, 2.0.5, 2.0.4, 2.0.3, 2.0.2, 2.0.1, 2.0.0, 0.8.7, 0.8.6, 0.8.5, 0.8.4, 0.8.3, 0.8.2, 0.8.1, 0.8.0, 0.7.2, 0.7.1, 0.7.0, 0.6.0, 0.5.10, 0.5.9, 0.5.8, 0.5.7, 0.5.6.2, 0.5.6.1, 0.5.6, 0.5.5, 0.5.4, 0.5.3, 0.5.2, 0.5.1, 0.5.0, 0.4.4, 0.4.3, 0.4.2, 0.4.1 (global constraint requires ==0.4.0) trying: wai-app-file-cgi-0.4.0 trying: http-enumerator-0.7.3.3 (dependency of wai-app-file-cgi-0.4.0) 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).