Package libc

Failed to find a solution:

no platform:
2024-03-05 10:44.24 [INFO] Solving for ocaml-base-compiler, ocaml,
                           libc using opam_repository_commit c51e19460091d6e77d512de94b1bcb982d3b1a84

2024-03-05 10:45.44 [INFO] base: eliminated all possibilities in 1.11 s

2024-03-05 10:45.44 [INFO] = base =

2024-03-05 10:45.44 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base colors.0.0.1 config.0.0.2
          dune.3.14.0 gen.1.1 ocaml-compiler-libs.v0.17.0
          ocaml-options-vanilla.1 ocamlbuild.0.14.3 ocamlfind.1.9.6
          ppx_derivers.1.2.1 ppxlib.0.32.1~5.2preview sedlex.3.2 seq.base
          sexplib0.v0.16.0 spices.0.0.2 stdlib-shims.0.3.0 topkg.1.0.7
          tty.0.0.2 uutf.1.0.3 libc&ocaml&ocaml-base-compiler ocaml
          base-domains ocaml ocaml-base-compiler
- libc -> libc.0.0.1
    User requested = 0.0.1
- ocaml -> (problem)
    User requested <= 5.1.0
    colors 0.0.1 requires >= 4.13.0
    config 0.0.2 requires >= 5.1 & < 5.2
    libc 0.0.1 requires >= 5.1.1
    Rejected candidates:
      ocaml.5.1.0: Incompatible with restriction: >= 5.1.1
      ocaml.5.0.1: Incompatible with restriction: >= 5.1 & < 5.2
      ocaml.5.0.0: Incompatible with restriction: >= 5.1 & < 5.2
      ocaml.4.14.2: Incompatible with restriction: >= 5.1 & < 5.2
      ocaml.4.14.1: Incompatible with restriction: >= 5.1 & < 5.2
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.2.0~alpha1
    User requested >= 4.04.1