Package joolog

Failed to find a solution:

no platform:
2025-05-16 17:46.38 [INFO] Solving for ocaml-base-compiler,
                           joolog, constraints ocaml-base-compiler<=5.3.0,
                           joolog=0.4 using opam_repository_commit cf409d95af00ff822422bd76b657ed213b661401

2025-05-16 17:46.39 [INFO] base: eliminated all possibilities in 0.62 s

2025-05-16 17:46.39 [INFO] = base =

2025-05-16 17:46.39 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base camlp-streams.5.0.1
          camlp4.4.02.0-1modular-implicits conf-which.1 dune.3.18.2
          js_of_ocaml.6.0.1 oasis.0.4.11 ocaml.5.5.0
          ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.16.1 ocamlfind.1.9.8 ocamlify.0.1.0 ppx_derivers.1.2.1
          ppxlib.0.15.0 sexplib0.v0.17.0 stdlib-shims.0.3.0
          joolog&ocaml-base-compiler ocaml-variants ocaml-base-compiler
          ocaml-base-compiler
- joolog -> joolog.0.4
    User requested = 0.4
- js_of_ocaml-compiler -> (problem)
    dune 3.18.2 requires not(< 3.6.0)
    js_of_ocaml 6.0.1 requires = 6.0.1
    Rejected candidates:
      js_of_ocaml-compiler.6.0.1: Requires ocaml >= 4.08 & < 5.4
      js_of_ocaml-compiler.5.9.1: Incompatible with restriction: = 6.0.1
      js_of_ocaml-compiler.5.9.0: Incompatible with restriction: = 6.0.1
      js_of_ocaml-compiler.5.8.2: Incompatible with restriction: = 6.0.1
      js_of_ocaml-compiler.5.8.1: Incompatible with restriction: = 6.0.1
      ...
- lwt -> (problem)
    joolog 0.4 requires not(>= 2.4.5)
    Rejected candidates:
      lwt.5.9.1: Incompatible with restriction: not(>= 2.4.5)
      lwt.5.9.0: Incompatible with restriction: not(>= 2.4.5)
      lwt.5.8.1: Incompatible with restriction: not(>= 2.4.5)
      lwt.5.8.0: Incompatible with restriction: not(>= 2.4.5)
      lwt.5.7.0: Incompatible with restriction: not(>= 2.4.5)
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested <= 5.3.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.4: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0
      ...
- ocaml-migrate-parsetree -> (problem)
    Rejected candidates:
      ocaml-migrate-parsetree.2.4.0: Requires ocaml >= 4.02.3 & < 5.1
      ocaml-migrate-parsetree.2.3.0: Requires ocaml >= 4.02.3 & < 4.15
      ocaml-migrate-parsetree.2.2.0: Requires ocaml >= 4.02.3 & < 4.14
      ocaml-migrate-parsetree.2.1.0: Requires ocaml >= 4.02.3 & < 4.13
      ocaml-migrate-parsetree.2.0.0: Requires ocaml >= 4.02.3 & < 4.12
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+BER: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- ocamlmod -> (problem)
    Rejected candidates:
      ocamlmod.0.0.9: Requires ocaml < 5.0
      ocamlmod.0.0.8: Requires ocaml < 5.0
- react -> (problem)
    joolog 0.4 requires not(>= 1.0.0)
    Rejected candidates:
      react.1.2.2: Incompatible with restriction: not(>= 1.0.0)
      react.1.2.1: Incompatible with restriction: not(>= 1.0.0)
      react.1.0.0: Incompatible with restriction: not(>= 1.0.0)