✗ 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 base64.3.5.2 conf-autoconf.1
          conf-c++.1.0 conf-which.1 cppo.1.8.0 cudf.0.10 dose3.7.0.0
          dune.3.24.2 extlib.1.8.0+ox mccs.1.1+19 menhir.20260209
          menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209
          menhirSdk.20260209 ocaml-config.3 ocaml-options-vanilla.1
          ocamlgraph.2.2.0 opam-file-format.2.2.0 oxcaml.latest
          oxcaml-compiler.5.2.0minus39 oxcaml-patch-guards.ox re.1.14.0+ox
          seq.base stdlib-shims.0.3.0 ocaml-variants&opam-custom-install
          ocaml ocaml-base-compiler ocaml-base-compiler base-domains
          ocaml-base-compiler oxcaml-angstrom-patches ocaml extlib base64
          dose3
- cmdliner -> cmdliner.1.3.0
    opam-client 2.1.6 requires >= 1.0.0 & < 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
- opam-client -> opam-client.2.1.6
    opam-custom-install 0.3 requires >= 2.1.2 & < 2.2
- opam-core -> opam-core.2.1.6
    opam-format 2.1.6 requires = 2.1.6
- opam-custom-install -> opam-custom-install.0.3
    User requested = 0.3
- opam-format -> opam-format.2.1.6
    opam-repository 2.1.6 requires = 2.1.6
- opam-repository -> opam-repository.2.1.6
    opam-client 2.1.6 requires = 2.1.6
- opam-solver -> opam-solver.2.1.6
    opam-client 2.1.6 requires = 2.1.6
- opam-state -> opam-state.2.1.6
    opam-client 2.1.6 requires = 2.1.6
- oxcaml-angstrom-patches -> (problem)
    Rejected candidates:
      oxcaml-angstrom-patches.enabled: Requires oxcaml-compiler not(< 5.4.0-ox1)

If you believe opam-custom-install.0.3 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue