Package protocol-9p-unix

Failed to find a solution:

no platform:
2025-05-16 17:45.21 [INFO] Solving for ocaml-base-compiler,
                           protocol-9p-unix, constraints ocaml-base-compiler<=5.3.0,
                           protocol-9p-unix=0.11.1 using opam_repository_commit cf409d95af00ff822422bd76b657ed213b661401

2025-05-16 17:45.22 [INFO] base: eliminated all possibilities in 0.58 s

2025-05-16 17:45.22 [INFO] = base =

2025-05-16 17:45.22 [INFO] Can't find all required versions.
Selected: asetmap.0.8.1 astring.0.8.5 base.v0.17.2 base-bytes.base
          base-unix.base cmdliner.1.3.0 conf-pkg-config.4 cppo.1.8.0
          csexp.1.5.2 dune-configurator.3.18.2 fmt.0.10.0 io-page.3.0.0
          jbuilder.transition logs.0.8.0 lwt.5.9.1 mirage-channel-lwt.3.2.0
          mirage-flow-lwt.1.6.0 num.1.5-1 ocaml.5.5.0 ocaml-config.3
          ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1
          ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 parsexp.v0.17.0
          ppx_derivers.1.2.1 ppx_deriving.6.1.0 ppx_sexp_conv.v0.17.0
          ppx_tools_versioned.5.4.0 ppxlib_jane.v0.17.2 prometheus.1.2
          re.1.12.0 result.1.5 rresult.0.7.0 seq.base sexplib.v0.17.0
          sexplib0.v0.17.0 topkg.1.0.8 win-error.1.0
          protocol-9p-unix&ocaml-base-compiler ocaml-variants
          ocaml-base-compiler ocaml-base-compiler
- cstruct -> cstruct.3.3.0
    cstruct-lwt 3.3.0 requires >= 3.2.0 & < 3.4.0
- cstruct-lwt -> cstruct-lwt.3.3.0
    protocol-9p 0.11.1 requires < 3.4.0
- dune -> (problem)
    base v0.17.2 requires >= 3.11.0
    Rejected candidates:
      dune.3.18.2: Requires jbuilder not(= transition)
      dune.3.18.1: Requires jbuilder not(= transition)
      dune.3.18.0: Requires jbuilder not(= transition)
      dune.3.17.2: Requires jbuilder not(= transition)
      dune.3.17.1: Requires jbuilder not(= transition)
      ...
- io-page-unix -> (problem)
    No usable implementations:
      io-page-unix.2.3.0: Availability condition not satisfied
      io-page-unix.2.2.0: Availability condition not satisfied
      io-page-unix.2.1.0: Availability condition not satisfied
      io-page-unix.2.0.1: Availability condition not satisfied
      io-page-unix.2.0.0: Availability condition not satisfied
- mirage-channel -> mirage-channel.3.2.0
    mirage-channel-lwt 3.2.0 requires >= 3.0.0 & < 4.0.0
- mirage-clock -> mirage-clock.2.0.0
    mirage-flow-lwt 1.6.0 requires >= 1.2.0 & < 3.0.0
- mirage-device -> mirage-device.1.2.0
    mirage-clock 2.0.0 requires >= 1.0.0 & < 2.0.0
- mirage-flow -> mirage-flow.1.6.0
    mirage-channel 3.2.0 requires >= 1.2.0 & < 2.0.0
- mirage-kv -> mirage-kv.1.1.1
    mirage-kv-lwt 1.1.0 requires >= 1.0.0 & < 2.0.0
- mirage-kv-lwt -> mirage-kv-lwt.1.1.0
    protocol-9p 0.11.1 requires < 2.0.0
- named-pipe -> (problem)
    Rejected candidates:
      named-pipe.0.4.0: Requires lwt >= 2.4.7 & < 5.0.0
      named-pipe.0.3: Requires lwt >= 2.4.7 & < 5.0.0
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested <= 5.3.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.4: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0
      ...
- ocaml-migrate-parsetree -> (problem)
    Rejected candidates:
      ocaml-migrate-parsetree.2.4.0: Requires ocaml >= 4.02.3 & < 5.1
      ocaml-migrate-parsetree.2.3.0: Requires ocaml >= 4.02.3 & < 4.15
      ocaml-migrate-parsetree.2.2.0: Requires ocaml >= 4.02.3 & < 4.14
      ocaml-migrate-parsetree.2.1.0: Requires ocaml >= 4.02.3 & < 4.13
      ocaml-migrate-parsetree.2.0.0: Requires ocaml >= 4.02.3 & < 4.12
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+BER: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- ppx_cstruct -> ppx_cstruct.3.3.0
    protocol-9p 0.11.1 requires < 3.4.0
- ppx_tools -> (problem)
    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
      ...
- ppxlib -> (problem)
    ppx_deriving 6.1.0 requires >= 0.36.0
    ppx_sexp_conv v0.17.0 requires >= 0.28.0 & < 0.36.0
    Rejected candidates:
      ppxlib.0.36.0: Incompatible with restriction: >= 0.28.0 & < 0.36.0
      ppxlib.0.35.0: Incompatible with restriction: >= 0.36.0
      ppxlib.0.34.0: Incompatible with restriction: >= 0.36.0
      ppxlib.0.33.0: Incompatible with restriction: >= 0.36.0
      ppxlib.0.32.1: Incompatible with restriction: >= 0.36.0
      ...
- protocol-9p -> protocol-9p.0.11.1
    protocol-9p-unix 0.11.1 requires = 0.11.1
- protocol-9p-unix -> protocol-9p-unix.0.11.1
    User requested = 0.11.1