Package capnp-rpc-unix

Failed to find a solution:

no platform:
2024-12-02 02:26.35 [INFO] Solving for ocaml-base-compiler, ocaml,
                           capnp-rpc-unix using opam_repository_commit 85ff81429d3ad93944951236a61cd110d7f7a4bd

2024-12-02 02:28.18 [INFO] base: eliminated all possibilities in 1.32 s

2024-12-02 02:28.18 [INFO] = base =

2024-12-02 02:28.18 [INFO] Can't find all required versions.
Selected: angstrom.0.16.1 asetmap.0.8.1 asn1-combinators.0.3.2 astring.0.8.5
          base.v0.17.1 base-bigarray.base base-bytes.base base-domains.base
          base-effects.base base-nnp.base base-threads.base base-unix.base
          base64.3.5.1 bigstringaf.0.10.0 capnp.3.6.0 capnp-rpc.2.0
          capnp-rpc-net.2.0 cmdliner.1.3.0 conf-capnproto.2 conf-gmp.4
          conf-gmp-powm-sec.3 conf-pkg-config.3 cppo.1.7.0 csexp.1.5.2
          cstruct.6.2.0 digestif.1.2.0 domain-local-await.1.0.1
          domain-name.0.4.0 dune.3.17.0 dune-configurator.3.17.0
          duration.0.2.1 eio.1.2 eqaf.0.10 extunix.0.4.2 fmt.0.9.0 gmap.0.3.0
          hmap.0.8.1 host-arch-x86_64.1 ipaddr.5.6.0 kdf.1.0.0 logs.0.7.0
          lwt.5.9.0 lwt-dllist.1.0.1 macaddr.5.6.0 mirage-crypto.1.1.0
          mirage-crypto-ec.1.1.0 mirage-crypto-pk.1.1.0
          mirage-crypto-rng.1.1.0 mtime.2.1.0 ocaml-compiler.5.3.0~beta2
          ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1
          ocaml-syntax-shims.1.0.0 ocaml_intrinsics_kernel.v0.17.1
          ocamlbuild.0.15.0 ocamlfind.1.9.6 ocplib-endian.1.2 ohex.0.2.0
          optint.0.3.0 ppx_derivers.1.2.1 ppxlib.0.33.1~5.3preview
          prometheus.1.2 psq.0.2.1 ptime.1.2.0 re.1.12.0 res.5.0.2 result.1.5
          seq.base sexplib0.v0.17.0 stdint.0.7.2 stdio.v0.17.0
          stdlib-shims.0.3.0 stringext.1.6.0 thread-table.1.0.0 tls.1.0.4
          tls-eio.1.0.4 topkg.1.0.7 uri.4.4.0 x509.1.0.5 zarith.1.14
          capnp-rpc-unix&ocaml&ocaml-base-compiler system-mingw
          system-mingw|system-msvc&winpthreads host-arch-x86_64 ocaml
          base-domains ocaml-variants ocaml ocaml-base-compiler
- capnp-rpc-unix -> capnp-rpc-unix.2.0
    User requested = 2.0
- ocaml -> (problem)
    User requested <= 5.1.1
    angstrom 0.16.1 requires >= 4.04.0
    asn1-combinators 0.3.2 requires >= 4.13.0
    base v0.17.1 requires >= 5.1.0
    capnp-rpc 2.0 requires >= 5.2
    Rejected candidates:
      ocaml.5.1.1: Incompatible with restriction: >= 5.2
      ocaml.5.1.0: Incompatible with restriction: >= 5.2
      ocaml.5.0.1: Incompatible with restriction: >= 5.1.0
      ocaml.5.0.0: Incompatible with restriction: >= 5.1.0
      ocaml.4.14.3: Incompatible with restriction: >= 5.1.0
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0~beta2
    User requested >= 4.04.1
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta2+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~alpha1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied