Resolving dependencies... cabal: Could not resolve dependencies: next goal: yesod-auth-bcrypt (user goal) rejecting: yesod-auth-bcrypt-0.2.0, 0.1.1 (global constraint requires ==0.1.0) trying: yesod-auth-bcrypt-0.1.0 trying: yesod-auth-1.4.5 (dependency of yesod-auth-bcrypt-0.1.0) next goal: persistent-template (dependency of yesod-auth-bcrypt-0.1.0) rejecting: persistent-template-2.1.3.3, 2.1.3.2, 2.1.3.1, 2.1.3, 2.1.1, 2.1.0.1, 2.1, 2.0.8, 2.0.7, 2.0.5, 2.0.4, 2.0.3.2, 2.0.3.1, 2.0.3, 2.0.2.2, 2.0.2.1, 2.0.2, 2.0.1.1, 2.0.1, 2.0.0.3, 2.0.0.2, 2.0.0.1, 2.0.0 (conflict: yesod-auth-bcrypt => persistent-template>=1.2 && <1.4) rejecting: persistent-template-1.3.2.2, 1.3.2.1, 1.3.1.4, 1.3.1.3, 1.3.1.2, 1.3.1.1, 1.3.1, 1.3.0, 1.2.0.6, 1.2.0.5, 1.2.0.4, 1.2.0.3, 1.2.0.2, 1.2.0.1, 1.2.0 (conflict: yesod-auth => persistent-template>=2.1 && <2.2) rejecting: persistent-template-1.1.3.1, 1.1.3, 1.1.2.5, 1.1.2.4, 1.1.2.3, 1.1.2.2, 1.1.2.1, 1.1.2, 1.1.1, 1.1.0, 1.0.0.2, 1.0.0.1, 1.0.0, 0.9.0.2, 0.9.0.1, 0.9.0, 0.8.2, 0.8.1.2, 0.8.1.1, 0.8.1, 0.8.0, 0.7.0, 0.6.3.1, 0.6.3, 0.6.2, 0.6.1, 0.5.1, 0.5.0.1, 0.5.0 (conflict: yesod-auth-bcrypt => persistent-template>=1.2 && <1.4) Backjump limit reached (change with --max-backjumps).