Package conduit

Failed to find a solution:

no platform:
2024-01-29 14:51.54 [INFO] Solving for ocaml-base-compiler, ocaml,
                           conduit using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 14:51.59 [INFO] base: eliminated all possibilities in 2.91 s

2024-01-29 14:51.59 [INFO] = base =

2024-01-29 14:51.59 [INFO] Can't find all required versions.
Selected: base.v0.16.3 base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base camlp4.4.02.0-1modular-implicits
          conf-which.1 csexp.1.5.2 cstruct.6.2.0 dune.3.13.0
          dune-configurator.3.13.0 fmt.0.9.0 ocaml-compiler-libs.v0.12.4
          ocaml-config.3 ocaml-options-vanilla.1 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ppx_derivers.1.2.1 ppx_sexp_conv.v0.16.0
          ppxlib.0.31.0 re.1.11.0 seq.base sexplib0.v0.16.0
          stdlib-shims.0.3.0 stringext.1.6.0 topkg.1.0.7 type_conv.113.00.02
          conduit&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- conduit -> conduit.0.7.2
    User requested = 0.7.2
- ipaddr -> (problem)
    conduit 0.7.2 requires >= 2.5.0 & < 3.0.0
    Rejected candidates:
      ipaddr.5.5.0: Incompatible with restriction: >= 2.5.0 & < 3.0.0
      ipaddr.5.4.0: Incompatible with restriction: >= 2.5.0 & < 3.0.0
      ipaddr.5.3.1: Incompatible with restriction: >= 2.5.0 & < 3.0.0
      ipaddr.5.3.0: Incompatible with restriction: >= 2.5.0 & < 3.0.0
      ipaddr.5.2.0: Incompatible with restriction: >= 2.5.0 & < 3.0.0
      ...
- jbuilder -> (problem)
    dune 3.13.0 requires not(= transition)
    Rejected candidates:
      jbuilder.transition: Incompatible with restriction: not(= transition)
      jbuilder.1.0+beta20.2: Requires ocaml >= 4.02.3 & < 5.0
      jbuilder.1.0+beta20.1: Requires ocaml >= 4.02.3 & < 5.0
      jbuilder.1.0+beta20: Requires ocaml >= 4.02.3 & < 4.08.0
      jbuilder.1.0+beta19.1: Requires ocaml >= 4.02.3 & < 4.08.0
      ...
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~
- 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.5.3.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.2.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.1.2+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.1.1+tsan: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.1.1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- sexplib -> (problem)
    conduit 0.7.2 requires >= 109.15.00 & < 113.01.00
    Rejected candidates:
      sexplib.v0.16.0: Incompatible with restriction: >= 109.15.00 & < 113.01.00
      sexplib.v0.15.1: Incompatible with restriction: >= 109.15.00 & < 113.01.00
      sexplib.v0.15.0: Incompatible with restriction: >= 109.15.00 & < 113.01.00
      sexplib.v0.14.0: Incompatible with restriction: >= 109.15.00 & < 113.01.00
      sexplib.v0.13.0: Incompatible with restriction: >= 109.15.00 & < 113.01.00
      ...
- uri -> uri.1.9.7
    conduit 0.7.2 requires < 2.0.0