Resolving dependencies... cabal: Could not resolve dependencies: next goal: pontarius-xmpp (user goal) rejecting: pontarius-xmpp-0.4.5, 0.4.4, 0.4.3, 0.4.2.2, 0.4.2.1, 0.4.2.0, 0.4.1.0, 0.4.0.2, 0.4.0.1, 0.4.0.0, 0.3.0.3, 0.3.0.2, 0.3.0.1, 0.3.0.0, 0.2.0.1, 0.2.0.0, 0.1.0.2, 0.1.0.1, 0.1.0.0, 0.0.7.0, 0.0.6.0, 0.0.5.0, 0.0.4.0, 0.0.3.0 (global constraint requires ==0.0.2.0) trying: pontarius-xmpp-0.0.2.0 trying: containers-0.5.6.2/installed-2de... (dependency of pontarius-xmpp-0.0.2.0) next goal: xml-enumerator (dependency of pontarius-xmpp-0.0.2.0) rejecting: xml-enumerator-0.4.4.1, 0.4.4, 0.4.3.2, 0.4.3.1, 0.4.2.1, 0.4.2, 0.4.1, 0.4.0, 0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3.0, 0.2.1.3, 0.2.1.2, 0.2.1.1, 0.2.1, 0.2.0.2, 0.2.0.1, 0.2.0, 0.1.3, 0.1.2.1, 0.1.1, 0.1.0.2, 0.1.0.1, 0.1.0, 0.0.1.2, 0.0.1.1, 0.0.1, 0.0.0.1, 0.0.0 (conflict: containers==0.5.6.2/installed-2de..., xml-enumerator => containers>=0.2 && <0.5) Dependency tree exhaustively searched.