Resolving dependencies... cabal: Could not resolve dependencies: next goal: yesod-auth-hashdb (user goal) rejecting: yesod-auth-hashdb-1.6.0.1, yesod-auth-hashdb-1.6, yesod-auth-hashdb-1.5.1.3, yesod-auth-hashdb-1.5.1.2, yesod-auth-hashdb-1.5.1.1, yesod-auth-hashdb-1.5.1, yesod-auth-hashdb-1.5, yesod-auth-hashdb-1.4.3, yesod-auth-hashdb-1.4.2.2, yesod-auth-hashdb-1.4.2.1, yesod-auth-hashdb-1.4.2, yesod-auth-hashdb-1.4.1.2, yesod-auth-hashdb-1.4.1.1, yesod-auth-hashdb-1.4.1, yesod-auth-hashdb-1.4.0, yesod-auth-hashdb-1.3.2 (constraint from user target requires ==1.3.1) trying: yesod-auth-hashdb-1.3.1 trying: base-4.9.0.0/installed-4.9... (dependency of yesod-auth-hashdb-1.3.1) trying: resourcet-1.1.8.1 (dependency of yesod-form-1.3.16) next goal: persistent (dependency of yesod-auth-hashdb-1.3.1) rejecting: persistent-2.6, persistent-2.5, persistent-2.2.4.1, persistent-2.2.4, persistent-2.2.3, persistent-2.2.2.1, persistent-2.2.2, persistent-2.2.1, persistent-2.2, persistent-2.1.6, persistent-2.1.5, persistent-2.1.4, persistent-2.1.3, persistent-2.1.2, persistent-2.1.1.7, persistent-2.1.1.6, persistent-2.1.1.5, persistent-2.1.1.4, persistent-2.1.1.3, persistent-2.1.1.2, persistent-2.1.1.1, persistent-2.1.1, persistent-2.1.0.2, persistent-2.1.0.1, persistent-2.1 (conflict: yesod-auth-hashdb => persistent>=1.2 && <2.1) rejecting: persistent-1.3.3, persistent-1.3.2, persistent-1.3.1.1, persistent-1.3.1, persistent-1.3.0.6, persistent-1.3.0.5, persistent-1.3.0.4 (conflict: base==4.9.0.0/installed-4.9..., persistent => base>=4.5 && <4.8) rejecting: persistent-1.3.0.3, persistent-1.3.0.2, persistent-1.3.0, persistent-1.2.3.3, persistent-1.2.3.2, persistent-1.2.3.0, persistent-1.2.2.0, persistent-1.2.1.2, persistent-1.2.1.1, persistent-1.2.1, persistent-1.2.0.2, persistent-1.2.0.1, persistent-1.2.0 (conflict: resourcet==1.1.8.1, persistent => resourcet>=0.4 && <1.1) rejecting: persistent-1.1.5.1, persistent-1.1.5, persistent-1.1.4, persistent-1.1.3.2, persistent-1.1.3.1, persistent-1.1.3, persistent-1.1.2, persistent-1.1.0.1, persistent-1.1.0, persistent-1.0.2.2, persistent-1.0.2.1, persistent-1.0.2, persistent-1.0.1.3, persistent-1.0.1.2, persistent-1.0.1.1, persistent-1.0.1, persistent-1.0.0, persistent-0.9.0.4, persistent-0.9.0.3, persistent-0.9.0.2, persistent-0.9.0.1, persistent-0.9.0, persistent-0.8.0.2, persistent-0.8.0.1, persistent-0.8.0, persistent-0.7.0.1, persistent-0.7.0, persistent-0.6.4.4, persistent-0.6.4.3, persistent-0.6.4.2, persistent-0.6.4.1, persistent-0.6.4, persistent-0.6.3, persistent-0.6.2, persistent-0.6.1, persistent-0.5.1, persistent-0.5.0, persistent-0.4.2, persistent-0.4.1, persistent-0.4.0.1, persistent-0.4.0, persistent-0.3.1.3, persistent-0.3.1.2, persistent-0.3.1.1, persistent-0.3.1, persistent-0.3.0.1, persistent-0.3.0, persistent-0.2.4.1, persistent-0.2.4, persistent-0.2.3, persistent-0.2.2.2, persistent-0.2.2.1, persistent-0.2.2, persistent-0.2.1, persistent-0.2.0.2, persistent-0.2.0.1, persistent-0.2.0, persistent-0.1.0, persistent-0.0.0.1, persistent-0.0.0 (conflict: yesod-auth-hashdb => persistent>=1.2 && <2.1) rejecting: persistent-2.0.8, persistent-2.0.7.1, persistent-2.0.7, persistent-2.0.5.1, persistent-2.0.5, persistent-2.0.4, persistent-2.0.3.1, persistent-2.0.3, persistent-2.0.2, persistent-2.0.1.1, persistent-2.0.1, persistent-2.0.0.1, persistent-2.0.0 (conflict: base==4.9.0.0/installed-4.9..., persistent => base>=4 && <4.8) rejecting: persistent-1.2.3.1 (conflict: resourcet==1.1.8.1, persistent => resourcet>=0.4 && <1.1) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).