Resolving dependencies... cabal: Could not resolve dependencies: next goal: pontarius-xmpp (user goal) rejecting: pontarius-xmpp-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 (global constraint requires ==0.0.7.0) trying: pontarius-xmpp-0.0.7.0 next goal: cryptohash (dependency of pontarius-xmpp-0.0.7.0) rejecting: cryptohash-0.11.6, 0.11.5, 0.11.4, 0.11.3, 0.11.2, 0.11.1, 0.11.0, 0.10.0, 0.9.1, 0.9.0, 0.8.4, 0.8.3, 0.8.2, 0.8.1, 0.8.0, 0.7.10, 0.7.9, 0.7.8, 0.7.7, 0.7.6, 0.7.5, 0.7.4, 0.7.3, 0.7.2, 0.7.1 (conflict: pontarius-xmpp => cryptohash==0.7.0) trying: cryptohash-0.7.0 trying: tls-extra-0.6.6 (dependency of pontarius-xmpp-0.0.7.0) next goal: crypto-pubkey (dependency of tls-extra-0.6.6) rejecting: crypto-pubkey-0.2.8, 0.2.7, 0.2.6, 0.2.5, 0.2.4, 0.2.3, 0.2.2, 0.2.1, 0.2.0 (conflict: cryptohash==0.7.0, crypto-pubkey => cryptohash>=0.9.1) rejecting: crypto-pubkey-0.1.4, 0.1.3, 0.1.2, 0.1.1, 0.1.0 (conflict: tls-extra => crypto-pubkey>=0.2.0) Backjump limit reached (change with --max-backjumps).