Package irmin

Failed to find a solution:

no platform:
2024-09-12 08:30.07 [INFO] Solving for ocaml-base-compiler, ocaml,
                           irmin using opam_repository_commit 0329818dcfd3de1a722ea09eeeed94cd24caa375

2024-09-12 08:30.14 [INFO] base: eliminated all possibilities in 3.32 s

2024-09-12 08:30.14 [INFO] = base =

2024-09-12 08:30.14 [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 camlp4.4.02.0-1modular-implicits
          cmdliner.0.9.8 conf-gmp.4 conf-perl.2 conf-time.1 conf-which.1
          cppo.1.6.5 crunch.1.4.1 dune.3.16.0 dune-configurator.2.6.2
          hex.1.3.0 host-arch-x86_64.1 jsonm.1.0.1 lwt.5.5.0 mirage-no-xen.1
          mirage-tc.0.3.0 mmap.1.1.0 mstruct.1.3.3 nocrypto.0.5.3
          oasis.0.4.11 ocaml-config.3 ocaml-secondary-compiler.4.14.2
          ocamlbuild.0 ocamlfind.1.9.6 ocamlfind-secondary.1.9.6
          ocamlgraph.1.8.8 ocamlify.0.0.1 ocamlmod.0.0.9 ocplib-endian.1.0
          ppx_derivers.1.2.1 ppx_deriving.4.5-1 ppx_tools.5.0+4.02.0
          re.1.10.3 result.1.5 seq.0.3.1 stringext.1.4.3 topkg.1.0.0
          type_conv.113.00.02 uchar.0.0.2 uri.1.9.1 uutf.1.0.2 zarith.1.11
          irmin&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler system-mingw system-mingw|system-msvc
          ocaml&ocamlfind-secondary ocaml-syntax-shims mirage-no-xen
- bin_prot -> bin_prot.113.00.00
    irmin 0.9.1 requires < 113.01.00
- cstruct -> cstruct.1.9.0
    hex 1.3.0 requires >= 1.7.0 & < 5.0.0
    nocrypto 0.5.3 requires >= 1.6.0 & < 3.0.0
- dolog -> dolog.3.0
    irmin 0.9.1 requires >= 1.0 & < 4.0.0
- dune-private-libs -> (problem)
    dune-configurator 2.6.2 requires = 2.6.2
    Rejected candidates:
      dune-private-libs.3.16.0: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.15.3: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.15.2: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.15.0: Incompatible with restriction: = 2.6.2
      dune-private-libs.3.14.2: Incompatible with restriction: = 2.6.2
      ...
- ezjsonm -> ezjsonm.0.4.1
    irmin 0.9.1 requires >= 0.4.0 & < 0.4.2
- irmin -> irmin.0.9.1
    User requested = 0.9.1
- jbuilder -> (problem)
    cppo 1.6.5 requires >= 1.0+beta17
    dune 3.16.0 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.4.02.1
    User requested <= 5.1.1
    base-ocamlbuild base requires >= 3.10 & < 4.03
    irmin 0.9.1 requires >= 4.01.0 & < 4.02.2
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.2.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.0~rc1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.0~beta2: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.0~beta1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.0~alpha1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ...
- 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-syntax-shims -> (problem)
    Rejected candidates:
      ocaml-syntax-shims.1.0.0: Requires ocaml >= 4.02.3
- 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_sexp_conv -> (problem)
    nocrypto 0.5.3 requires >= 113.33.01 & < v0.11.0
    Rejected candidates:
      ppx_sexp_conv.v0.17.0: Incompatible with restriction: >= 113.33.01 & < v0.11.0
      ppx_sexp_conv.v0.16.0: Incompatible with restriction: >= 113.33.01 & < v0.11.0
      ppx_sexp_conv.v0.15.1: Incompatible with restriction: >= 113.33.01 & < v0.11.0
      ppx_sexp_conv.v0.15.0: Incompatible with restriction: >= 113.33.01 & < v0.11.0
      ppx_sexp_conv.v0.14.3: Incompatible with restriction: >= 113.33.01 & < v0.11.0
      ...
- ppxfind -> (problem)
    Rejected candidates:
      ppxfind.1.4: Requires ocaml >= 4.02.3
      ppxfind.1.3: Requires ocaml >= 4.04
      ppxfind.1.2: Requires ocaml >= 4.03.0
      ppxfind.1.1: Requires ocaml >= 4.04.0
- sexplib -> sexplib.113.00.00
    nocrypto 0.5.3 requires <> v0.9.0 & < v0.11.0
    uri 1.9.1 requires >= 109.53.00 & < 113.01.00
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied