ppx src/snark_intf.pp.ml (exit 1)
(cd _build/default && ./.ppx/ppx_deriving.enum+ppx_jane+ppx_driver.runner/ppx.exe --dump-ast --cookie 'library-name="snarky"' -diff-cmd - -o src/snark_intf.pp.ml --impl src/snark_intf.ml)
File "src/snark_intf.ml", line 415, characters 42-46:
Error: ppx_type_conv: 'enum' is not a supported signature type type-conv generator
         ppx src/enumerable.pp.ml (exit 1)
(cd _build/default && ./.ppx/ppx_deriving.enum+ppx_jane+ppx_driver.runner/ppx.exe --dump-ast --cookie 'library-name="snarky"' -diff-cmd - -o src/enumerable.pp.ml --impl src/enumerable.ml)
File "src/enumerable.ml", line 12, characters 66-70:
Error: ppx_type_conv: 'enum' is not a supported signature type type-conv generator
         ppx src/enumerable.pp.mli (exit 1)
(cd _build/default && ./.ppx/ppx_deriving.enum+ppx_jane+ppx_driver.runner/ppx.exe --dump-ast --cookie 'library-name="snarky"' -diff-cmd - -o src/enumerable.pp.mli --intf src/enumerable.mli)
File "src/enumerable.mli", line 2, characters 66-70:
Error: ppx_type_conv: 'enum' is not a supported signature type type-conv generator