Package 0install

Failed to find a solution:

no platform:
2024-09-12 08:00.19 [INFO] Solving for ocaml-base-compiler, ocaml,
                           0install using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:00.25 [INFO] base: eliminated all possibilities in 3.14 s

2024-09-12 08:00.25 [INFO] = base =

2024-09-12 08:00.25 [INFO] Can't find all required versions.
Selected: base-bytes.backport base-no-ppx.base base-ocamlbuild.base
          base-unix.base biniou.1.0.13 camlp4.4.02.0-1modular-implicits
          conf-libcurl.2 conf-ncurses.1 conf-pkg-config.3 conf-which.1
          cppo.1.6.5 easy-format.1.2.0 jbuilder.transition ocaml-config.3
          ocamlfind.1.9.6 ocurl.0.8.1 ounit.2.2.7 react.1.2.1 result.1.5
          sha.1.14 topkg.1.0.0 xmlm.1.2.0 0install&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler base-no-ppx
- 0install -> 0install.2.8
    User requested = 2.8
- dune -> (problem)
    Rejected candidates:
      dune.3.16.0: Requires jbuilder not(= transition)
      dune.3.15.3: Requires jbuilder not(= transition)
      dune.3.15.2: Requires jbuilder not(= transition)
      dune.3.15.0: Requires jbuilder not(= transition)
      dune.3.14.2: Requires jbuilder not(= transition)
      ...
- extlib -> extlib.1.7.7-1
    0install 2.8 requires < 1.7.8
- lwt -> lwt.2.4.6
    0install 2.8 requires <= 2.4.6
- ocaml -> ocaml.4.01.0
    User requested <= 5.1.1
    0install 2.8 requires >= 4.00.0 & < 4.02
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~rc1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta2: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~beta1: Requires ocaml = 5.2.0
      ocaml-base-compiler.5.2.0~alpha1: Requires ocaml = 5.2.0
      ...
- ocaml-variants -> (problem)
    camlp4 4.02.0-1modular-implicits requires = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.3.0+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.1+trunk: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+statmemprof: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ocaml-variants.5.2.0+options: Incompatible with restriction: = 4.02.0+modular-implicits | = 4.02.1+modular-implicits-ber
      ...
- ocamlbuild -> ocamlbuild.0
    0install 2.8 requires <= 0.9.3
- ounit2 -> (problem)
    ounit 2.2.7 requires = 2.2.7
    Rejected candidates:
      ounit2.2.2.7: Requires ocaml >= 4.04.0
      ounit2.2.2.6: Incompatible with restriction: = 2.2.7
      ounit2.2.2.5: Incompatible with restriction: = 2.2.7
      ounit2.2.2.4: Incompatible with restriction: = 2.2.7
      ounit2.2.2.3: Incompatible with restriction: = 2.2.7
      ...
- stdlib-shims -> (problem)
    sha 1.14 requires >= 0.3.0
    Rejected candidates:
      stdlib-shims.0.3.0: Requires ocaml >= 4.02.3
      stdlib-shims.0.1.0: Incompatible with restriction: >= 0.3.0
- yojson -> yojson.1.3.3
    0install 2.8 requires < 2.0.0