Resolving dependencies... cabal: Could not resolve dependencies: trying: monad-control-1.0.1.0 (dependency of conduit-1.2.8) trying: resourcet-1.1.9 (dependency of conduit-1.2.8) next goal: persistent (dependency of yesod-form-1.2.1.3) 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, 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, 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: yesod-form => persistent>=1.0 && <1.2) rejecting: persistent-1.1.5.1 (conflict: resourcet==1.1.9, persistent => resourcet>=0.4 && <1.1) trying: persistent-1.1.5 next goal: pool-conduit (dependency of persistent-1.1.5) rejecting: pool-conduit-0.1.2.3, pool-conduit-0.1.2.2 (conflict: monad-control==1.0.1.0, pool-conduit => monad-control<1) rejecting: pool-conduit-0.1.2.1, pool-conduit-0.1.2, pool-conduit-0.1.1 (conflict: resourcet==1.1.9, pool-conduit => resourcet>=0.3 && <0.5) rejecting: pool-conduit-0.1.0.3, pool-conduit-0.1.0.2, pool-conduit-0.1.0.1, pool-conduit-0.1.0, pool-conduit-0.0.0.1, pool-conduit-0.0.0 (conflict: persistent => pool-conduit>=0.1.1) Backjump limit reached (currently 2000, change with --max-backjumps or try to run with --reorder-goals).