✗ 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: base-bigarray.base base-domains.base base-nnp.base
          base-threads.base base-unix.base basement.v0.18~preview.130.106+341
          checkseum.0.5.4 cmdliner.2.1.1 conf-autoconf.1 conf-which.1
          cppo.1.8.0 csexp.1.5.2 decompress.1.6.1 dune.3.24.2
          dune-configurator.3.24.2 jsonm.1.0.2 menhir.20260209
          menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209
          menhirSdk.20260209 ocaml-compiler-libs.v0.17.0+ox ocaml-config.3
          ocaml-options-vanilla.1 ocamlbuild.0.16.1+ox ocamlfind.1.9.8+ox
          ocamlgraph.2.2.0 opam-core.2.6.1 opam-file-format.2.2.0
          opam-format.2.6.1 opam-repository.2.6.1 opam-state.2.6.1
          optint.0.3.0 oxcaml.latest oxcaml-patch-guards.ox patch.3.1.2
          ppx_derivers.1.2.1 ppx_deriving.6.2.0 ppxlib.0.39.0 re.1.14.0+ox
          seq.base sexp_type.v0.18~preview.130.106+341
          sexplib0.v0.18~preview.130.106+341 sha.1.15.4 spdx_licenses.1.6.0
          stdlib-shims.0.3.0 swhid_core.0.1 tar.3.5.0 topkg.1.1.1+ox
          uutf.1.0.4+ox ocaml-variants&spectrum_capabilities ocaml
          ocaml-base-compiler ocaml-base-compiler base-domains
          ocaml-base-compiler oxcaml-angstrom-patches ocaml
- 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
    basement v0.18~preview.130.106+341 requires not(< 5.2.0minus39 | >= 5.4.0-ox1)
- spectrum_capabilities -> spectrum_capabilities.1.0.0.alpha2
    User requested = 1.0.0.alpha2

If you believe spectrum_capabilities.1.0.0.alpha2 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue