Package riakc_ppx

Failed to find a solution:

no platform:
2024-01-29 15:04.09 [INFO] Solving for ocaml-base-compiler, ocaml,
                           riakc_ppx using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:04.15 [INFO] base: eliminated all possibilities in 2.80 s

2024-01-29 15:04.15 [INFO] = base =

2024-01-29 15:04.15 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base bitstring.4.1.0 cppo.1.6.9
          dune.3.13.0 ocaml-compiler-libs.v0.12.4 ocaml-config.3
          ocaml-options-vanilla.1 ocamlbuild.0.14.3 ocamlfind.1.9.6
          omake.0.10.6 ppx_derivers.1.2.1 ppx_deriving.5.2.1
          ppx_deriving_protobuf.3.0.0 ppxlib.0.31.0 re.1.11.0 result.1.5
          seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0
          riakc_ppx&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- async -> async.113.33.00
    riakc_ppx 3.1.3 requires < v0.9
- async_extra -> async_extra.113.33.00+4.03
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- async_kernel -> async_kernel.113.33.00
    async 113.33.00 requires >= 113.33.00 & < 113.34.00
- async_rpc_kernel -> async_rpc_kernel.113.33.00
    async_extra 113.33.00+4.03 requires >= 113.33.00 & < 113.34.00
- async_unix -> async_unix.113.33.00+4.03
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- bin_prot -> (problem)
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
    async_extra 113.33.00+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
    Rejected candidates:
      bin_prot.v0.16.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      bin_prot.v0.15.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      bin_prot.v0.14.1: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      bin_prot.v0.14.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      bin_prot.v0.13.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ...
- core -> (problem)
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
    async_extra 113.33.00+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
    Rejected candidates:
      core.v0.16.2: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core.v0.16.1: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core.v0.16.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core.v0.15.1: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core.v0.15.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ...
- core_kernel -> (problem)
    async_kernel 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
    Rejected candidates:
      core_kernel.v0.16.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core_kernel.v0.15.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core_kernel.v0.14.2: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core_kernel.v0.14.1: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      core_kernel.v0.14.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ...
- fieldslib -> (problem)
    async 113.33.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      fieldslib.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.12.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~
- ppx_assert -> ppx_assert.113.33.00
    async 113.33.00 requires >= 113.33.00 & < 113.34.00
- ppx_bench -> ppx_bench.113.33.00+4.03
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_bin_prot -> ppx_bin_prot.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_compare -> ppx_compare.113.33.00+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_core -> (problem)
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
    ppx_bench 113.33.00+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
    Rejected candidates:
      ppx_core.v0.11.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ppx_core.v0.10.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ppx_core.v0.9.3: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ppx_core.v0.9.2: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ppx_core.v0.9.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ...
- ppx_custom_printf -> ppx_custom_printf.113.33.00+4.03
    ppx_expect 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_driver -> ppx_driver.113.33.02+4.03
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_enumerate -> ppx_enumerate.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_expect -> ppx_expect.113.33.01+4.03
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_fail -> ppx_fail.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_fields_conv -> ppx_fields_conv.113.33.00+4.03
    ppx_expect 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_here -> ppx_here.113.33.00
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00
- ppx_inline_test -> ppx_inline_test.113.33.00+4.03
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_jane -> ppx_jane.113.33.00
    async 113.33.00 requires >= 113.33.00 & < 113.34.00
- ppx_let -> ppx_let.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_optcomp -> ppx_optcomp.113.33.01+4.03
    ppx_driver 113.33.02+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_pipebang -> ppx_pipebang.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_sexp_conv -> ppx_sexp_conv.113.33.01+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_sexp_message -> ppx_sexp_message.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_sexp_value -> ppx_sexp_value.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_tools -> (problem)
    ppx_assert 113.33.00 requires >= 0.99.3
    Rejected candidates:
      ppx_tools.6.6: Requires ocaml >= 4.08.0 & < 5.1.0
      ppx_tools.6.5: Requires ocaml >= 4.08.0 & < 4.15.0
      ppx_tools.6.4: Requires ocaml >= 4.08.0 & < 4.14.0
      ppx_tools.6.3: Requires ocaml >= 4.08.0 & < 4.13.0
      ppx_tools.6.2: Requires ocaml >= 4.08.0 & < 4.12.0
      ...
- ppx_type_conv -> ppx_type_conv.113.33.02+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_typerep_conv -> ppx_typerep_conv.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_variants_conv -> ppx_variants_conv.113.33.00+4.03
    ppx_expect 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- riakc_ppx -> riakc_ppx.3.1.3
    User requested = 3.1.3
- sexplib -> (problem)
    async 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
    async_extra 113.33.00+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
    Rejected candidates:
      sexplib.v0.16.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      sexplib.v0.15.1: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      sexplib.v0.15.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      sexplib.v0.14.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      sexplib.v0.13.0: Incompatible with restriction: >= 113.33.00 & < 113.34.00+4.03
      ...
- typerep -> (problem)
    async 113.33.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      typerep.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.12.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- variantslib -> (problem)
    async 113.33.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      variantslib.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.12.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...