Package libc

Failed to find a solution:

no platform:
2024-11-26 10:49.05 [INFO] Solving for ocaml-base-compiler, ocaml,
                           libc using opam_repository_commit 3d52b66b04788999a23f22f0d59c2dfc831c4f32

2024-11-26 10:49.07 [INFO] base: eliminated all possibilities in 0.78 s

2024-11-26 10:49.07 [INFO] = base =

2024-11-26 10:49.07 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-effects.base
          base-nnp.base base-threads.base base-unix.base colors.0.0.1
          config.0.0.3 dune.3.16.1 host-arch-x86_64.1
          ocaml-compiler.5.3.0~beta1 ocaml-compiler-libs.v0.17.0
          ocaml-options-vanilla.1 ocamlbuild.0.15.0 ocamlfind.1.9.6
          ppx_derivers.1.2.1 ppxlib.0.33.1~5.3preview sexplib0.v0.17.0
          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 system-mingw
          system-mingw|system-msvc&winpthreads host-arch-x86_64 ocaml
          base-domains ocaml-variants ocaml-base-compiler
- libc -> libc.0.0.1
    User requested = 0.0.1
- ocaml -> (problem)
    User requested <= 5.0.0
    colors 0.0.1 requires >= 4.13.0
    libc 0.0.1 requires >= 5.1.1
    Rejected candidates:
      ocaml.5.0.0: Incompatible with restriction: >= 5.1.1
      ocaml.4.14.3: Incompatible with restriction: >= 5.1.1
      ocaml.4.14.2: Incompatible with restriction: >= 5.1.1
      ocaml.4.14.1: Incompatible with restriction: >= 5.1.1
      ocaml.4.14.0: Incompatible with restriction: >= 5.1.1
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0~beta1
    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~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
      ocaml-variants.5.2.2+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied