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=0.10.0 using opam_repository_commit cf409d95af00ff822422bd76b657ed213b661401

2025-05-16 17:45.23 [INFO] base: eliminated all possibilities in 0.55 s

2025-05-16 17:45.23 [INFO] = base =

2025-05-16 17:45.23 [INFO] Can't find all required versions.
Selected: astring.0.8.5 base.v0.17.2 base-bytes.base base-threads.base
          base-unix.base cmdliner.1.3.0 cppo.1.8.0 csexp.1.5.2 dune.3.18.2
          dune-configurator.3.18.2 fmt.0.10.0 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_cstruct.3.7.0
          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 result.1.5
          rresult.0.7.0 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.3.7.0
    mirage-flow-lwt 1.6.0 requires >= 2.0.0 & < 6.1.0
    ppx_cstruct 3.7.0 requires = 3.7.0
- cstruct-lwt -> (problem)
    protocol-9p 0.10.0 requires < 3.4.0
    Rejected candidates:
      cstruct-lwt.6.2.0: Requires cstruct = 6.2.0
      cstruct-lwt.6.1.1: Requires cstruct = 6.1.1
      cstruct-lwt.6.1.0: Requires cstruct = 6.1.0
      cstruct-lwt.6.0.1: Requires cstruct = 6.0.1
      cstruct-lwt.6.0.0: Requires cstruct = 6.0.0
      ...
- io-page -> (problem)
    protocol-9p 0.10.0 requires not(>= 2.0.0)
    Rejected candidates:
      io-page.3.0.0: Incompatible with restriction: not(>= 2.0.0)
      io-page.2.4.0: Incompatible with restriction: not(>= 2.0.0)
      io-page.2.3.0: Incompatible with restriction: not(>= 2.0.0)
      io-page.2.2.0: Incompatible with restriction: not(>= 2.0.0)
      io-page.2.1.0: Incompatible with restriction: not(>= 2.0.0)
      ...
- jbuilder -> (problem)
    dune 3.18.2 requires not(= transition)
    Rejected candidates:
      jbuilder.transition: Incompatible with restriction: not(= transition)
      jbuilder.1.0+beta20.2: Requires ocaml >= 4.02.3 & < 5.0
      jbuilder.1.0+beta20.1: Requires ocaml >= 4.02.3 & < 5.0
- 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 0.10.0 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_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.0.10.0
    protocol-9p-unix 0.10.0 requires = 0.10.0
- protocol-9p-unix -> protocol-9p-unix.0.10.0
    User requested = 0.10.0