Package regular

Failed to find a solution:

no platform:
2024-01-29 15:14.02 [INFO] Solving for ocaml-base-compiler, ocaml,
                           regular using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:14.07 [INFO] base: eliminated all possibilities in 2.62 s

2024-01-29 15:14.07 [INFO] = base =

2024-01-29 15:14.07 [INFO] Can't find all required versions.
Selected: base-threads.base base-unix.base cppo.1.6.9 dune.3.13.0
          ocaml-config.3 ocaml-secondary-compiler.4.08.1-1 ocamlbuild.0.14.3
          ocamlfind.1.9.6 ocamlfind-secondary.1.9.6 ocamlify.0.0.1
          ocamlmod.0.0.9 ppx_derivers.1.2.1 ppx_deriving.4.5-1
          ppx_tools.5.0+4.03.0 ppxfind.1.4 re.1.11.0 result.1.5 seq.0.3.1
          regular&ocaml&ocaml-base-compiler ocaml-base-compiler
          ocaml-base-compiler ocaml&ocamlfind-secondary
- bin_prot -> bin_prot.113.33.00+4.03
    core_kernel 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- core_kernel -> core_kernel.113.33.01+4.03
    regular 1.1.0 requires >= 113.24.00 & < v0.9.0
- fieldslib -> fieldslib.113.24.00
    core_kernel 113.33.01+4.03 requires >= 113.24.00 & < 113.25.00
- oasis -> oasis.0.4.7
    regular 1.1.0 requires = 0.4.7
- ocaml -> ocaml.4.03.1
    User requested <= 5.1.0
    bin_prot 113.33.00+4.03 requires >= 4.03.0 & < 4.06.0
    ppx_core 113.33.01+4.03 requires >= 4.03.0 & < 4.05
    ppx_optcomp 113.33.00+4.03 requires >= 4.03.0 & < 4.04.0
- ocaml-base-compiler -> (problem)
    User requested >= 4.04.1
    Rejected candidates:
      ocaml-base-compiler.5.1.1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.1~rc1: Requires ocaml = 5.1.1
      ocaml-base-compiler.5.1.0: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc3: Requires ocaml = 5.1.0
      ocaml-base-compiler.5.1.0~rc2: Requires ocaml = 5.1.0
      ...
- ocaml-migrate-parsetree -> ocaml-migrate-parsetree.1.8.0
    ppx_deriving 4.5-1 requires < 2.0.0
- ppx_assert -> ppx_assert.113.33.00
    core_kernel 113.33.01+4.03 requires >= 113.33.00 & < 113.34.00
- ppx_bench -> ppx_bench.113.33.00+4.03
    core_kernel 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_bin_prot -> ppx_bin_prot.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_compare -> ppx_compare.113.33.00+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_core -> ppx_core.113.33.01+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_custom_printf -> ppx_custom_printf.113.33.00+4.03
    ppx_expect 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_driver -> ppx_driver.113.33.02+4.03
    core_kernel 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_enumerate -> ppx_enumerate.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_expect -> ppx_expect.113.33.01+4.03
    core_kernel 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_fail -> ppx_fail.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_fields_conv -> ppx_fields_conv.113.33.00+4.03
    ppx_expect 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_here -> ppx_here.113.33.00
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00
- ppx_inline_test -> ppx_inline_test.113.33.00+4.03
    core_kernel 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_jane -> ppx_jane.113.33.00
    core_kernel 113.33.01+4.03 requires >= 113.33.00 & < 113.34.00
- ppx_let -> ppx_let.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_optcomp -> ppx_optcomp.113.33.00+4.03
    ppx_driver 113.33.02+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- ppx_pipebang -> ppx_pipebang.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_sexp_conv -> ppx_sexp_conv.113.33.01+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_sexp_message -> ppx_sexp_message.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_sexp_value -> ppx_sexp_value.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_type_conv -> ppx_type_conv.113.33.02+4.03
    ppx_assert 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_typerep_conv -> ppx_typerep_conv.113.33.00+4.03
    ppx_jane 113.33.00 requires >= 113.33.00 & < 113.34.00+4.03
- ppx_variants_conv -> ppx_variants_conv.113.33.00+4.03
    ppx_expect 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- regular -> regular.1.1.0
    User requested = 1.1.0
- sexplib -> sexplib.113.33.00+4.03
    core_kernel 113.33.01+4.03 requires >= 113.33.00+4.03 & < 113.34.00+4.03
- typerep -> typerep.113.24.00
    core_kernel 113.33.01+4.03 requires >= 113.24.00 & < 113.25.00
- variantslib -> variantslib.113.24.00
    core_kernel 113.33.01+4.03 requires >= 113.24.00 & < 113.25.00