Package eio_main

Failed to find a solution:

no platform:
2024-09-12 08:27.44 [INFO] Solving for ocaml-base-compiler, ocaml,
                           eio_main using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:27.51 [INFO] base: eliminated all possibilities in 2.95 s

2024-09-12 08:27.51 [INFO] = base =

2024-09-12 08:27.51 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base bigstringaf.0.10.0 csexp.1.5.2
          cstruct.6.2.0 dune.3.16.0 dune-configurator.3.16.0 fmt.0.9.0
          hmap.0.8.1 host-arch-x86_64.1 logs.0.7.0 lwt-dllist.1.0.1
          mtime.2.1.0 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.15.0 ocamlfind.1.9.6 optint.0.3.0 psq.0.2.1 seq.base
          topkg.1.0.7 uring.0.9 eio_main&ocaml&ocaml-base-compiler ocaml
          ocaml-base-compiler ocaml-base-compiler system-mingw ocaml
          base-domains ocaml-base-compiler
- eio -> eio.0.8.1
    eio_linux 0.8.1 requires = 0.8.1
- eio_linux -> eio_linux.0.8.1
    eio_main 0.8.1 requires = 0.8.1
- eio_luv -> (problem)
    No usable implementations:
      eio_luv.0.9: Availability condition not satisfied
      eio_luv.0.8.1: Availability condition not satisfied
      eio_luv.0.7: Availability condition not satisfied
      eio_luv.0.6: Availability condition not satisfied
      eio_luv.0.5: Availability condition not satisfied
      ...
- eio_main -> eio_main.0.8.1
    User requested = 0.8.1
- ocaml -> ocaml.5.1.1
    User requested <= 5.1.1
- ocaml-base-compiler -> ocaml-base-compiler.5.1.1
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.1~ & < 5.1.2~
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied