Package username_kernel

Failed to find a solution:

no platform:
2024-11-26 10:55.06 [INFO] Solving for ocaml-base-compiler, ocaml,
                           username_kernel using opam_repository_commit 3d52b66b04788999a23f22f0d59c2dfc831c4f32

2024-11-26 10:55.08 [INFO] base: eliminated all possibilities in 0.83 s

2024-11-26 10:55.08 [INFO] = base =

2024-11-26 10:55.08 [INFO] Can't find all required versions.
Selected: base.v0.17.1 base-bigarray.base base-domains.base base-effects.base
          base-nnp.base base-threads.base base-unix.base
          base_bigstring.v0.17.0 base_quickcheck.v0.17.0 bin_prot.v0.17.0
          capitalization.v0.17.0 core.v0.17.1 csexp.1.5.2 dune.3.16.1
          dune-configurator.3.16.1 fieldslib.v0.17.0 gel.v0.17.0
          host-arch-x86_64.1 int_repr.v0.17.0 jane-street-headers.v0.17.0
          jst-config.v0.17.0 num.1.5-1 ocaml-compiler.5.3.0~beta1
          ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1
          ocaml_intrinsics_kernel.v0.17.1 parsexp.v0.17.0 ppx_assert.v0.17.0
          ppx_base.v0.17.0 ppx_bench.v0.17.0 ppx_bin_prot.v0.17.0
          ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_custom_printf.v0.17.0
          ppx_derivers.1.2.1 ppx_diff.v0.17.0
          ppx_disable_unused_warnings.v0.17.0 ppx_enumerate.v0.17.0
          ppx_expect.v0.17.2 ppx_fields_conv.v0.17.0
          ppx_fixed_literal.v0.17.0 ppx_globalize.v0.17.0 ppx_hash.v0.17.0
          ppx_here.v0.17.0 ppx_ignore_instrumentation.v0.17.0
          ppx_inline_test.v0.17.0 ppx_jane.v0.17.0 ppx_let.v0.17.0
          ppx_log.v0.17.0 ppx_module_timer.v0.17.0 ppx_optcomp.v0.17.0
          ppx_optional.v0.17.0 ppx_pipebang.v0.17.0 ppx_sexp_conv.v0.17.0
          ppx_sexp_message.v0.17.0 ppx_sexp_value.v0.17.0 ppx_stable.v0.17.0
          ppx_stable_witness.v0.17.0 ppx_string.v0.17.0
          ppx_string_conv.v0.17.0 ppx_tydi.v0.17.0 ppx_typerep_conv.v0.17.0
          ppx_variants_conv.v0.17.0 ppxlib.0.33.1~5.3preview
          ppxlib_jane.v0.17.2 sexplib.v0.17.0 sexplib0.v0.17.0
          splittable_random.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0
          time_now.v0.17.0 typerep.v0.17.1 variantslib.v0.17.0
          username_kernel&ocaml&ocaml-base-compiler system-mingw
          system-mingw|system-msvc&winpthreads host-arch-x86_64 ocaml
          base-domains ocaml-variants ocaml ocaml-base-compiler
- ocaml -> (problem)
    User requested <= 5.0.0
    base v0.17.1 requires >= 5.1.0
    Rejected candidates:
      ocaml.5.0.0: Incompatible with restriction: >= 5.1.0
      ocaml.4.14.3: Incompatible with restriction: >= 5.1.0
      ocaml.4.14.2: Incompatible with restriction: >= 5.1.0
      ocaml.4.14.1: Incompatible with restriction: >= 5.1.0
      ocaml.4.14.0: Incompatible with restriction: >= 5.1.0
      ...
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0~beta1
    User requested >= 4.04.1
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~beta1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0~alpha1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.2.2+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- system-mingw -> (problem)
    No usable implementations:
      system-mingw.1: Availability condition not satisfied
- username_kernel -> username_kernel.v0.17.0
    User requested = v0.17.0