Package ketrew

Failed to find a solution:

no platform:
2024-01-29 15:04.30 [INFO] Solving for ocaml-base-compiler, ocaml,
                           ketrew using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:04.36 [INFO] base: eliminated all possibilities in 2.62 s

2024-01-29 15:04.36 [INFO] = base =

2024-01-29 15:04.36 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.base base-implicits.base
          base-metaocaml-ocamlfind.base base-ocamlbuild.base
          base-threads.base base-unix.base biniou.1.0.13
          camlp4.4.02.0-1modular-implicits cmdliner.1.0.2 conf-libssl.4
          conf-pkg-config.3 conf-sqlite3.1 conf-time.1 conf-which.1
          cppo.1.6.5 cppo_ocamlbuild.1.6.9 cstruct.1.9.0 docout.0.0.1
          dune-configurator.1.0.0 easy-format.1.2.0 jbuilder.transition
          magic-mime.1.0.0 nonstd.0.0.3 oasis.0.4.11 ocaml-config.3
          ocamlbuild.0 ocamlfind.1.9.6 ocamlify.0.0.1 ocamlmod.0.0.9
          ocplib-endian.1.0 pa_sexp_conv.113.00.01 ppx_blob.0.7.2
          ppx_derivers.1.2.1 ppx_deriving.4.5-1 ppx_include.1.1
          ppx_tools.5.0+4.02.0 pvem.0.0.1 pvem_lwt_unix.0.0.2 re.1.7.1
          smart-print.0.2.0 sosa.0.3.0 sqlite3.4.1.3 ssl.0.5.9
          stringext.1.4.3 topkg.1.0.0 trakeva.0.1.1 type_conv.113.00.02
          ketrew&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler
- base64 -> base64.2.3.0
    cohttp 0.17.2 requires >= 2.0.0 & < 3.0.0
- cohttp -> cohttp.0.17.2
    ketrew 1.0.0 requires = 0.17.2 & < 0.99
- conduit -> conduit.0.11.0
    cohttp 0.17.2 requires >= 0.7.0 & < 0.16.0
- dune -> dune.1.11.4
    dune-configurator 1.0.0 requires < 2.0.0
- fieldslib -> fieldslib.113.00.00
    cohttp 0.17.2 requires >= 109.20.00 & < 113.01.00
- ipaddr -> ipaddr.2.6.1
    conduit 0.11.0 requires >= 2.5.0 & < 2.8.0
- ketrew -> ketrew.1.0.0
    User requested = 1.0.0
- lwt -> (problem)
    cohttp 0.17.2 requires not(< 2.4.7)
    cohttp 0.17.2 requires not(>= 2.5.0)
    pvem_lwt_unix 0.0.2 requires >= 2.5.0 & < 4.0.0
    Rejected candidates:
      lwt.5.7.0: Incompatible with restriction: not(>= 2.5.0)
      lwt.5.6.1: Incompatible with restriction: not(>= 2.5.0)
      lwt.5.6.0: Incompatible with restriction: not(>= 2.5.0)
      lwt.5.5.0: Incompatible with restriction: not(>= 2.5.0)
      lwt.5.4.2: Incompatible with restriction: not(>= 2.5.0)
      ...
- ocaml -> ocaml.4.02.1
    User requested <= 5.1.0
    base-ocamlbuild base requires >= 3.10 & < 4.03
    ketrew 1.0.0 requires <= 4.02.1 & >= 4.02.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.1.1~rc1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.1.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.1.0~rc3: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.1.0~rc2: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ...
- ocaml-migrate-parsetree -> ocaml-migrate-parsetree.1.1.0
    ppx_deriving 4.5-1 requires < 2.0.0
- ocaml-variants -> ocaml-variants.4.02.1+modular-implicits-ber
    base-implicits base requires = 4.02.1+modular-implicits | = 4.02.1+modular-implicits-ber
- ppx_deriving_yojson -> ppx_deriving_yojson.2.3
    ketrew 1.0.0 requires >= 2.3 & <= 2.4
- ppxfind -> (problem)
    Rejected candidates:
      ppxfind.1.4: Requires dune >= 2.0
      ppxfind.1.3: Requires ocaml >= 4.04
      ppxfind.1.2: Requires ocaml >= 4.03.0
      ppxfind.1.1: Requires ocaml >= 4.04.0
- ppxlib -> (problem)
    Rejected candidates:
      ppxlib.0.31.0: Requires dune >= 2.7
      ppxlib.0.30.0: Requires dune >= 2.7
      ppxlib.0.29.1: Requires dune >= 2.7
      ppxlib.0.29.0: Requires dune >= 2.7
      ppxlib.0.28.0: Requires dune >= 2.7
      ...
- result -> result.1.4
    cmdliner 1.0.2 requires < 1.5
- sexplib -> sexplib.113.00.00
    cohttp 0.17.2 requires >= 109.53.00 & < 113.01.00
- uri -> uri.1.9.1
    cohttp 0.17.2 requires >= 1.9.0 & < 2.0.0
- yojson -> yojson.1.3.3
    ppx_deriving_yojson 2.3 requires < 1.6.0