Resolving dependencies... cabal: Could not resolve dependencies: next goal: yesod-comments (user goal) rejecting: yesod-comments-0.9.2, yesod-comments-0.9.1, yesod-comments-0.9.0, yesod-comments-0.8.3, yesod-comments-0.8.2, yesod-comments-0.8.1, yesod-comments-0.8.0, yesod-comments-0.7.1, yesod-comments-0.7, yesod-comments-0.5.0, yesod-comments-0.4.0, yesod-comments-0.3.4, yesod-comments-0.3.3 (constraint from user target requires ==0.3.1) trying: yesod-comments-0.3.1 trying: unix-2.7.2.0/installed-2.7... (dependency of directory-1.2.6.2/installed-1.2...) next goal: yesod-auth (dependency of yesod-comments-0.3.1) rejecting: yesod-auth-1.4.15, yesod-auth-1.4.14, yesod-auth-1.4.13.5, yesod-auth-1.4.13.4, yesod-auth-1.4.13.3, yesod-auth-1.4.13.2, yesod-auth-1.4.13.1, yesod-auth-1.4.13, yesod-auth-1.4.12, yesod-auth-1.4.11, yesod-auth-1.4.8, yesod-auth-1.4.7, yesod-auth-1.4.6.1, yesod-auth-1.4.6, yesod-auth-1.4.5.1, yesod-auth-1.4.5, yesod-auth-1.4.4, yesod-auth-1.4.3.1, yesod-auth-1.4.3, yesod-auth-1.4.2, yesod-auth-1.4.1.3, yesod-auth-1.4.1.2, yesod-auth-1.4.1.1, yesod-auth-1.4.1, yesod-auth-1.4.0.2, yesod-auth-1.4.0.1, yesod-auth-1.4.0, yesod-auth-1.3.4.6, yesod-auth-1.3.4.5, yesod-auth-1.3.4.4, yesod-auth-1.3.4.3, yesod-auth-1.3.4.2, yesod-auth-1.3.4.1, yesod-auth-1.3.4, yesod-auth-1.3.3, yesod-auth-1.3.2, yesod-auth-1.3.1.1, yesod-auth-1.3.1, yesod-auth-1.3.0.5, yesod-auth-1.3.0.4, yesod-auth-1.3.0.2, yesod-auth-1.3.0.1, yesod-auth-1.3.0.0, yesod-auth-1.2.7.1, yesod-auth-1.2.7, yesod-auth-1.2.6, yesod-auth-1.2.5.3, yesod-auth-1.2.5.2, yesod-auth-1.2.5.1, yesod-auth-1.2.5.0, yesod-auth-1.2.4.1, yesod-auth-1.2.4, yesod-auth-1.2.3, yesod-auth-1.2.2.1, yesod-auth-1.2.2, yesod-auth-1.2.1, yesod-auth-1.2.0.2, yesod-auth-1.2.0.1, yesod-auth-1.2.0, yesod-auth-1.1.7, yesod-auth-1.1.6, yesod-auth-1.1.5.3, yesod-auth-1.1.5.2, yesod-auth-1.1.5.1, yesod-auth-1.1.5, yesod-auth-1.1.4.1, yesod-auth-1.1.4, yesod-auth-1.1.3, yesod-auth-1.1.2.2, yesod-auth-1.1.2.1, yesod-auth-1.1.2, yesod-auth-1.1.1.7, yesod-auth-1.1.1.6, yesod-auth-1.1.1.5, yesod-auth-1.1.1.4, yesod-auth-1.1.1.3, yesod-auth-1.1.1.2, yesod-auth-1.1.1.1, yesod-auth-1.1.1, yesod-auth-1.1.0.1, yesod-auth-1.1.0, yesod-auth-1.0.2.1, yesod-auth-1.0.2, yesod-auth-1.0.1, yesod-auth-1.0.0, yesod-auth-0.8.1.1, yesod-auth-0.8.1, yesod-auth-0.7.9, yesod-auth-0.7.8, yesod-auth-0.7.7.2, yesod-auth-0.7.7.1, yesod-auth-0.7.7, yesod-auth-0.7.6.2, yesod-auth-0.7.6.1, yesod-auth-0.7.6, yesod-auth-0.7.5, yesod-auth-0.7.4, yesod-auth-0.7.3, yesod-auth-0.7.2, yesod-auth-0.7.1.1, yesod-auth-0.7.1, yesod-auth-0.6.1.1, yesod-auth-0.6.1, yesod-auth-0.6.0, yesod-auth-0.5.0 (conflict: yesod-comments => yesod-auth>=0.4 && <0.5) rejecting: yesod-auth-0.4.0.2, yesod-auth-0.4.0.1, yesod-auth-0.4.0 (conflict: unix => bytestring==0.10.8.1/installed-0.1..., yesod-auth => bytestring>=0.9.1.4 && <0.10) rejecting: yesod-auth-0.3.2, yesod-auth-0.3.1, yesod-auth-0.3.0.1, yesod-auth-0.3.0, yesod-auth-0.2.0.3, yesod-auth-0.2.0.2, yesod-auth-0.2.0.1, yesod-auth-0.2.0, yesod-auth-0.1.4.1, yesod-auth-0.1.4, yesod-auth-0.1.3, yesod-auth-0.1.2, yesod-auth-0.1.1, yesod-auth-0.1.0, yesod-auth-0.0.0 (conflict: yesod-comments => yesod-auth>=0.4 && <0.5) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).