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, 0.0.7.0, 0.0.6.0, 0.0.5.0 (global constraint requires ==0.0.4.0) trying: pontarius-xmpp-0.0.4.0 next goal: tls (dependency of pontarius-xmpp-0.0.4.0) rejecting: tls-1.2.17, 1.2.16, 1.2.15, 1.2.14, 1.2.13, 1.2.12, 1.2.11, 1.2.10, 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, 1.1.5, 1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.3, 1.0.2, 1.0.1, 1.0.0, 0.9.11, 0.9.10, 0.9.9, 0.9.8, 0.9.7, 0.9.6, 0.9.5, 0.9.4, 0.9.3, 0.9.2, 0.9.1, 0.9.0, 0.8.5, 0.8.4, 0.8.3.2, 0.8.3.1, 0.8.3, 0.8.2, 0.8.1, 0.8.0, 0.7.2, 0.7.1, 0.7.0, 0.6.4, 0.6.3, 0.6.2, 0.6.1, 0.6.0, 0.5.1, 0.5.0 (conflict: pontarius-xmpp => tls==0.4.1) trying: tls-0.4.1 next goal: certificate (dependency of tls-0.4.1) 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, 1.1.1, 1.1.0, 1.0.1, 1.0.0, 0.9.5, 0.9.4, 0.9.3, 0.9.2, 0.9.1, 0.9.0.1, 0.9.0, 0.8.1, 0.8.0 (conflict: tls => certificate>=0.7 && <0.8) trying: certificate-0.7.0 trying: directory-1.2.1.0/installed-4c4... (dependency of certificate-0.7.0) trying: unix-2.7.0.1/installed-0d8... (dependency of directory-1.2.1.0/installed-4c4...) next goal: asn1-data (dependency of certificate-0.7.0) rejecting: asn1-data-0.7.1, 0.7.0, 0.6.1.3, 0.6.1.2, 0.6.1.1, 0.6.1, 0.6.0, 0.5.1, 0.5.0 (conflict: certificate => asn1-data>=0.4.6 && <0.5) trying: asn1-data-0.4.6 next goal: attoparsec-enumerator (dependency of asn1-data-0.4.6) rejecting: attoparsec-enumerator-0.3.4, 0.3.3, 0.3.2, 0.3.1, 0.3 (conflict: asn1-data => attoparsec-enumerator>=0.2 && <0.3) rejecting: attoparsec-enumerator-0.2.0.5, 0.2.0.4, 0.2.0.3, 0.2.0.2, 0.2.0.1, 0.2 (conflict: unix => bytestring==0.10.4.0/installed-9f4..., attoparsec-enumerator => bytestring>=0.9 && <0.10) rejecting: attoparsec-enumerator-0.1.0.3, 0.1.0.2, 0.1.0.1, 0.1 (conflict: asn1-data => attoparsec-enumerator>=0.2 && <0.3) Backjump limit reached (change with --max-backjumps).