✗ Solve failed — no dependency solution was found for this package version on Debian trixie, so it was never built. The solver's explanation:

Can't find all required versions.
Selected: astring.0.8.5 base.v0.18~preview.130.106+341 base-bigarray.base
          base-bytes.base base-domains.base base-nnp.base base-threads.base
          base-unix.base base64.3.5.2
          base_internalhash_types.v0.18~preview.130.106+341
          base_quickcheck.v0.18~preview.130.106+341
          basement.v0.18~preview.130.106+341 bos.0.3.0 camlp-streams.5.0.1
          capsule.v0.18~preview.130.106+341
          capsule0.v0.18~preview.130.106+341 conf-autoconf.1 conf-gmp.5
          conf-pkg-config.5 conf-protoc.4.4.0 conf-which.1 cppo.1.8.0
          csexp.1.5.2 csv.2.4 ctypes.0.24.0+ox dune.3.24.2
          dune-build-info.3.24.2 dune-configurator.3.24.2
          dune-private-libs.3.24.2 dune-site.3.24.2 dyn.3.24.2
          fieldslib.v0.18~preview.130.106+341 fmt.0.11.0 fpath.0.7.3
          fs-io.3.24.2 integers.0.8.0
          jane-street-headers.v0.18~preview.130.106+341
          jst-config.v0.18~preview.130.106+341 logs.0.10.0 menhir.20260209
          menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209
          menhirSdk.20260209 nonempty_list_type.v0.18~preview.130.106+341
          ocaml-compiler-libs.v0.17.0+ox ocaml-config.3
          ocaml-options-vanilla.1 ocaml-protoc-plugin.6.3.0
          ocaml_intrinsics_kernel.v0.18~preview.130.106+341
          ocamlbuild.0.16.1+ox ocamlfind.1.9.8+ox ocamlgraph.2.2.0
          ocplib-endian.1.2 odoc-parser.3.2.1+master.1791558161.c213704
          omd.2.0.0~alpha4+ox ordering.3.24.2 oxcaml.latest
          oxcaml-patch-guards.ox portable.v0.18~preview.130.106+341 pp.2.0.0
          ppx_array_base.v0.18~preview.130.106+341
          ppx_assert.v0.18~preview.130.106+341
          ppx_base.v0.18~preview.130.106+341
          ppx_bench.v0.18~preview.130.106+341
          ppx_compare.v0.18~preview.130.106+341 ppx_derivers.1.2.1
          ppx_deriving.6.0.3 ppx_deriving_yaml.0.4.0
          ppx_deriving_yojson.3.9.1 ppx_enumerate.v0.18~preview.130.106+341
          ppx_expect.v0.18~preview.130.106+341
          ppx_fields_conv.v0.18~preview.130.106+341
          ppx_fuelproof.v0.18~preview.130.106+341
          ppx_globalize.v0.18~preview.130.106+341
          ppx_hash.v0.18~preview.130.106+341
          ppx_helpers.v0.18~preview.130.106+341
          ppx_here.v0.18~preview.130.106+341
          ppx_inline_test.v0.18~preview.130.106+341
          ppx_js_style.v0.18~preview.130.106+341
          ppx_let.v0.18~preview.130.106+341
          ppx_optcomp.v0.18~preview.130.106+341
          ppx_portable.v0.18~preview.130.106+341
          ppx_sexp_conv.v0.18~preview.130.106+341
          ppx_sexp_message.v0.18~preview.130.106+341
          ppx_sexp_value.v0.18~preview.130.106+341
          ppx_shorthand.v0.18~preview.130.106+341
          ppx_template.v0.18~preview.130.106+341 ppxlib_ast.0.33.0+ox2
          ppxlib_jane.v0.18~preview.130.106+341 ptime.1.2.0 re.1.14.0+ox
          rresult.0.7.0 seq.base sexp_type.v0.18~preview.130.106+341
          sexplib0.v0.18~preview.130.106+341
          splittable_random.v0.18~preview.130.106+341
          stdio.v0.18~preview.130.106+341 stdlib-shims.0.3.0 stdune.3.24.2
          terminal_size.0.2.0 time_now.v0.18~preview.130.106+341
          top-closure.3.24.2 topkg.1.1.1+ox uucp.18.0.0 uunf.18.0.0
          uutf.1.0.4+ox why3.1.8.2 why3find.1.3.0 yaml.3.2.0 yojson.3.0.0
          zarith.1.14 ocaml-variants&caisar ocaml ocaml-base-compiler
          ocaml-base-compiler base-domains ocaml-base-compiler
          oxcaml-angstrom-patches ocaml
- caisar -> caisar.6.0
    User requested = 6.0
- cmdliner -> cmdliner.1.3.0
    caisar 6.0 requires >= 1.1.1 & < 2.0.0
- ocaml -> ocaml.5.2.0
    User requested = 5.2.0
- ocaml-base-compiler -> (problem)
    Rejected candidates:
      ocaml-base-compiler.5.5.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.5.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.5.0~rc1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.5.0~beta1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.5.0~alpha3: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.5.0~alpha1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.4.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.4.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.4.0~rc1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.4.0~beta2: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.4.0~beta1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.4.0~alpha1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.3.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.2.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.1.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.1.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.5.0.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.14.4: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.14.3: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.14.2: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.14.2~rc1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.14.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.14.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.13.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.13.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.12.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.12.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.11.2: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.11.1: In same conflict class (ocaml-core-compiler) as ocaml-variants
      ocaml-base-compiler.4.11.0: In same conflict class (ocaml-core-compiler) as ocaml-variants
- ocaml-variants -> ocaml-variants.5.2.0+ox
    User requested = 5.2.0+ox
- oxcaml-angstrom-patches -> (problem)
    Rejected candidates:
      oxcaml-angstrom-patches.enabled: Requires oxcaml-compiler not(< 5.4.0-ox1)
- oxcaml-compiler -> oxcaml-compiler.5.2.0minus39
    base v0.18~preview.130.106+341 requires not(< 5.2.0minus39 | >= 5.4.0-ox1)
- ppx_deriving_jsonschema -> ppx_deriving_jsonschema.0.0.4
    caisar 6.0 requires >= 0.0.4 & < 0.0.5
- ppx_variants_conv -> (problem)
    caisar 6.0 requires >= v0.18
    Rejected candidates:
      ppx_variants_conv.v0.18~preview.130.106+341: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.18~preview.130.100+614: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.18~preview.130.91+190: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.18~preview.130.83+317: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.17.1: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.17.0: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.16.0: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.15.0: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.14.2: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.14.1: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.14.0: Incompatible with restriction: >= v0.18
      ppx_variants_conv.v0.13.0: Incompatible with restriction: >= v0.18
- ppxlib -> ppxlib.0.35.0
    base v0.18~preview.130.106+341 requires >= 0.33.0 & < 0.36.0

If you believe caisar.6.0 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue