Package irmin

Failed to find a solution:

no platform:
2024-01-29 15:12.33 [INFO] Solving for ocaml-base-compiler, ocaml,
                           irmin using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:12.39 [INFO] base: eliminated all possibilities in 3.23 s

2024-01-29 15:12.39 [INFO] = base =

2024-01-29 15:12.39 [INFO] Can't find all required versions.
Selected: angstrom.0.16.0 base.v0.16.3 base-bigarray.base base-bytes.base
          base-domains.base base-nnp.base base-threads.base base-unix.base
          base_bigstring.v0.16.0 base_quickcheck.v0.16.0
          bigarray-compat.1.1.0 bigstringaf.0.9.1 bin_prot.v0.16.0
          cmdliner.1.2.0 conf-libssl.4 conf-pkg-config.3 core.v0.16.2
          core_kernel.v0.16.0 cppo.1.6.9 crunch.3.3.1 csexp.1.5.2 dune.3.13.0
          dune-configurator.3.13.0 fieldslib.v0.16.0 int_repr.v0.16.0
          jane-street-headers.v0.16.0 jst-config.v0.16.0 lwt.5.7.0
          mstruct.1.4.0 num.1.5 ocaml-compiler-libs.v0.12.4 ocaml-config.3
          ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocamlgraph.2.1.0 ocplib-endian.1.2 parsexp.v0.16.0
          ppx_assert.v0.16.0 ppx_base.v0.16.0 ppx_bench.v0.16.0
          ppx_bin_prot.v0.16.0 ppx_cold.v0.16.0 ppx_compare.v0.16.0
          ppx_custom_printf.v0.16.0 ppx_derivers.1.2.1
          ppx_disable_unused_warnings.v0.16.0 ppx_enumerate.v0.16.0
          ppx_expect.v0.16.0 ppx_fields_conv.v0.16.0
          ppx_fixed_literal.v0.16.0 ppx_globalize.v0.16.0 ppx_hash.v0.16.0
          ppx_here.v0.16.0 ppx_ignore_instrumentation.v0.16.0
          ppx_inline_test.v0.16.1 ppx_jane.v0.16.0 ppx_let.v0.16.0
          ppx_log.v0.16.0 ppx_module_timer.v0.16.0 ppx_optcomp.v0.16.0
          ppx_optional.v0.16.0 ppx_pipebang.v0.16.0 ppx_sexp_conv.v0.16.0
          ppx_sexp_message.v0.16.0 ppx_sexp_value.v0.16.0 ppx_stable.v0.16.0
          ppx_stable_witness.v0.16.0 ppx_string.v0.16.0 ppx_tydi.v0.16.0
          ppx_typerep_conv.v0.16.0 ppx_variants_conv.v0.16.0 ppxlib.0.31.0
          ptime.1.1.0 re.1.11.0 seq.base sexplib.v0.16.0 sexplib0.v0.16.0
          sha.1.15.4 splittable_random.v0.16.0 ssl.0.7.0 stdio.v0.16.0
          stdlib-shims.0.3.0 stringext.1.6.0 time_now.v0.16.0 topkg.1.0.7
          typerep.v0.16.0 uri.4.4.0 variantslib.v0.16.0
          irmin&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml base-domains ocaml ocaml-base-compiler
- cohttp -> (problem)
    irmin 0.8.3 requires >= 0.10.0 & < 0.12.0
    Rejected candidates:
      cohttp.6.0.0~beta2: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.6.0.0~alpha2: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.6.0.0~alpha1: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.6.0.0~alpha0: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      cohttp.5.3.1: Incompatible with restriction: >= 0.10.0 & < 0.12.0
      ...
- cstruct -> cstruct.6.0.1
    mstruct 1.4.0 requires >= 2.4.0 & < 6.1.0
- dolog -> (problem)
    irmin 0.8.3 requires >= 0.4 & <= 0.6
    Rejected candidates:
      dolog.6.0.0: Incompatible with restriction: >= 0.4 & <= 0.6
      dolog.4.0.0: Incompatible with restriction: >= 0.4 & <= 0.6
      dolog.3.0: Requires ocaml < 5.0.0
      dolog.2.0: Requires ocaml < 5.0.0
      dolog.1.1: Requires ocaml < 5.0.0
      ...
- ezjsonm -> (problem)
    irmin 0.8.3 requires >= 0.2.0 & < 0.4.0
    Rejected candidates:
      ezjsonm.1.3.0: Incompatible with restriction: >= 0.2.0 & < 0.4.0
      ezjsonm.1.2.0: Incompatible with restriction: >= 0.2.0 & < 0.4.0
      ezjsonm.1.1.0: Incompatible with restriction: >= 0.2.0 & < 0.4.0
      ezjsonm.1.0.0: Incompatible with restriction: >= 0.2.0 & < 0.4.0
      ezjsonm.0.6.0: Incompatible with restriction: >= 0.2.0 & < 0.4.0
      ...
- git -> (problem)
    irmin 0.8.3 requires = 1.2.0
    Rejected candidates:
      git.3.14.0: Incompatible with restriction: = 1.2.0
      git.3.13.0: Incompatible with restriction: = 1.2.0
      git.3.12.0: Incompatible with restriction: = 1.2.0
      git.3.11.0: Incompatible with restriction: = 1.2.0
      git.3.10.1: Incompatible with restriction: = 1.2.0
      ...
- irmin -> irmin.0.8.3
    User requested = 0.8.3
- 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~