Package email_message

Failed to find a solution:

no platform:
2024-05-29 14:52.35 [INFO] Solving for ocaml-base-compiler, ocaml,
                           email_message using opam_repository_commit 7311123dcaba6b163a96ad2219b8cc4e59df93a3

2024-05-29 14:52.41 [INFO] base: eliminated all possibilities in 2.97 s

2024-05-29 14:52.41 [INFO] = base =

2024-05-29 14:52.41 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base camlp-streams.5.0.1 camlp4.5.1
          dune.3.15.3 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.14.3 ocamlfind.1.9.6 ounit.2.2.7 ounit2.2.2.7 seq.base
          stdlib-shims.0.3.0 email_message&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml base-domains ocaml
          ocaml-base-compiler
- async -> (problem)
    email_message 109.38.alpha1 requires = 109.38.00
    Rejected candidates:
      async.v0.17.0: Incompatible with restriction: = 109.38.00
      async.v0.16.0: Incompatible with restriction: = 109.38.00
      async.v0.15.0: Incompatible with restriction: = 109.38.00
      async.v0.14.0: Incompatible with restriction: = 109.38.00
      async.v0.13.0: Incompatible with restriction: = 109.38.00
      ...
- bin_prot -> (problem)
    re2 109.40.00 requires >= 109.15.01 & <= 109.42.00
    Rejected candidates:
      bin_prot.v0.17.0: Incompatible with restriction: >= 109.15.01 & <= 109.42.00
      bin_prot.v0.16.0: Incompatible with restriction: >= 109.15.01 & <= 109.42.00
      bin_prot.v0.15.0: Incompatible with restriction: >= 109.15.01 & <= 109.42.00
      bin_prot.v0.14.1: Incompatible with restriction: >= 109.15.01 & <= 109.42.00
      bin_prot.v0.14.0: Incompatible with restriction: >= 109.15.01 & <= 109.42.00
      ...
- comparelib -> comparelib.109.27.00
    re2 109.40.00 requires >= 109.15.00 & <= 109.27.00
- core -> (problem)
    email_message 109.38.alpha1 requires >= 109.38.00 & <= 109.41.00
    Rejected candidates:
      core.v0.17.1: Incompatible with restriction: >= 109.38.00 & <= 109.41.00
      core.v0.17.0: Incompatible with restriction: >= 109.38.00 & <= 109.41.00
      core.v0.16.2: Incompatible with restriction: >= 109.38.00 & <= 109.41.00
      core.v0.16.1: Incompatible with restriction: >= 109.38.00 & <= 109.41.00
      core.v0.16.0: Requires ocaml >= 4.14.0 & < 5.1~
      ...
- core_extended -> (problem)
    email_message 109.38.alpha1 requires >= 109.36.00 & <= 109.41.00
    Rejected candidates:
      core_extended.v0.17.0: Incompatible with restriction: >= 109.36.00 & <= 109.41.00
      core_extended.v0.16.0: Incompatible with restriction: >= 109.36.00 & <= 109.41.00
      core_extended.v0.15.0: Incompatible with restriction: >= 109.36.00 & <= 109.41.00
      core_extended.v0.14.0: Incompatible with restriction: >= 109.36.00 & <= 109.41.00
      core_extended.v0.13.0: Incompatible with restriction: >= 109.36.00 & <= 109.41.00
      ...
- email_message -> email_message.109.38.alpha1
    User requested = 109.38.alpha1
- fieldslib -> (problem)
    email_message 109.38.alpha1 requires = 109.20.00
    Rejected candidates:
      fieldslib.v0.17.0: Incompatible with restriction: = 109.20.00
      fieldslib.v0.16.0: Incompatible with restriction: = 109.20.00
      fieldslib.v0.15.0: Incompatible with restriction: = 109.20.00
      fieldslib.v0.14.0: Incompatible with restriction: = 109.20.00
      fieldslib.v0.13.0: Incompatible with restriction: = 109.20.00
      ...
- 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~
- pa_ounit -> pa_ounit.109.36.00
    email_message 109.38.alpha1 requires = 109.36.00
- re2 -> re2.109.40.00
    email_message 109.38.alpha1 requires >= 109.32.00 & <= 109.40.00
- sexplib -> (problem)
    email_message 109.38.alpha1 requires >= 109.20.00 & <= 109.41.00
    Rejected candidates:
      sexplib.v0.17.0: Incompatible with restriction: >= 109.20.00 & <= 109.41.00
      sexplib.v0.16.0: Incompatible with restriction: >= 109.20.00 & <= 109.41.00
      sexplib.v0.15.1: Incompatible with restriction: >= 109.20.00 & <= 109.41.00
      sexplib.v0.15.0: Incompatible with restriction: >= 109.20.00 & <= 109.41.00
      sexplib.v0.14.0: Incompatible with restriction: >= 109.20.00 & <= 109.41.00
      ...
- type_conv -> (problem)
    comparelib 109.27.00 requires >= 109.15.00 & <= 109.53.00
    pa_ounit 109.36.00 requires >= 109.15.00 & <= 109.47.00
    Rejected candidates:
      type_conv.113.00.02: Incompatible with restriction: >= 109.15.00 & <= 109.53.00
      type_conv.113.00.01: Incompatible with restriction: >= 109.15.00 & <= 109.53.00
      type_conv.113.00.00: Incompatible with restriction: >= 109.15.00 & <= 109.53.00
      type_conv.112.01.02: Incompatible with restriction: >= 109.15.00 & <= 109.53.00
      type_conv.112.01.01: Incompatible with restriction: >= 109.15.00 & <= 109.53.00
      ...