Resolving dependencies... cabal: Could not resolve dependencies: trying: yackage-0.1.0.1:+upload trying: bytestring-0.10.8.1/installed-0.1... (dependency of yackage-0.1.0.1:+upload) next goal: http-enumerator (dependency of yackage-0.1.0.1:+upload) rejecting: http-enumerator-0.7.3.3, http-enumerator-0.7.3.2, http-enumerator-0.7.3.1, http-enumerator-0.7.3, http-enumerator-0.7.2.5, http-enumerator-0.7.2.4, http-enumerator-0.7.2.3, http-enumerator-0.7.2.2, http-enumerator-0.7.2.1, http-enumerator-0.7.2, http-enumerator-0.7.1.8, http-enumerator-0.7.1.7, http-enumerator-0.7.1.6, http-enumerator-0.7.1.5, http-enumerator-0.7.1.4, http-enumerator-0.7.1.3, http-enumerator-0.7.1.2, http-enumerator-0.7.1.1, http-enumerator-0.7.1, http-enumerator-0.7.0, http-enumerator-0.6.7, http-enumerator-0.6.6, http-enumerator-0.6.5.6, http-enumerator-0.6.5.5, http-enumerator-0.6.5.4, http-enumerator-0.6.5.3, http-enumerator-0.6.5.2, http-enumerator-0.6.5.1, http-enumerator-0.6.5, http-enumerator-0.6.4.3, http-enumerator-0.6.4.2, http-enumerator-0.6.4.1, http-enumerator-0.6.4, http-enumerator-0.6.3, http-enumerator-0.6.2.1, http-enumerator-0.6.2, http-enumerator-0.6.0.2, http-enumerator-0.6.0.1, http-enumerator-0.6.0 (conflict: yackage-0.1.0.1:upload => http-enumerator>=0.5.1 && <0.6) rejecting: http-enumerator-0.5.1 (conflict: bytestring==0.10.8.1/installed-0.1..., http-enumerator => bytestring>=0.9.1.4 && <0.10) rejecting: http-enumerator-0.5.0, http-enumerator-0.4.1, http-enumerator-0.4.0.1, http-enumerator-0.4.0, http-enumerator-0.3.1, http-enumerator-0.3.0, http-enumerator-0.2.1.5, http-enumerator-0.2.1.4, http-enumerator-0.2.1.3, http-enumerator-0.2.1.2, http-enumerator-0.2.1.1, http-enumerator-0.2.1, http-enumerator-0.2.0.4, http-enumerator-0.2.0.3, http-enumerator-0.2.0.2, http-enumerator-0.2.0.1, http-enumerator-0.2.0, http-enumerator-0.1.1, http-enumerator-0.1.0, http-enumerator-0.0.1, http-enumerator-0.0.0 (conflict: yackage-0.1.0.1:upload => http-enumerator>=0.5.1 && <0.6) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).