✗ 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-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base conf-autoconf.1 conf-pkg-config.5
          conf-which.1 cppo.1.8.0 crunch.4.1.0 csexp.1.5.2 cstruct.6.3.0
          domain-name.0.5.0 dune.3.24.2 dune-configurator.3.24.2 fmt.0.11.0
          io-page.3.0.0 ipaddr.5.6.2 lwt.6.1.2 macaddr.5.6.2 ocaml-config.3
          ocaml-options-vanilla.1 ocamlbuild.0.16.1+ox ocamlfind.1.9.8+ox
          ocplib-endian.1.2 oxcaml.latest oxcaml-compiler.5.2.0minus39
          oxcaml-patch-guards.ox ptime.1.2.0 topkg.1.1.1+ox
          ocaml-variants&mirage-seal ocaml ocaml-base-compiler
          ocaml-base-compiler base-domains ocaml-base-compiler
          oxcaml-angstrom-patches ocaml
- cmdliner -> (problem)
    crunch 4.1.0 requires >= 1.1
    mirage 2.6.1 requires >= 0.9.2 & < 1.0
    Rejected candidates:
      cmdliner.2.1.1: Incompatible with restriction: >= 0.9.2 & < 1.0
      cmdliner.2.1.0: Incompatible with restriction: >= 0.9.2 & < 1.0
      cmdliner.2.0.0: Incompatible with restriction: >= 0.9.2 & < 1.0
      cmdliner.1.3.0: Incompatible with restriction: >= 0.9.2 & < 1.0
      cmdliner.1.0.4: Incompatible with restriction: >= 1.1
      cmdliner.0.9.4: Requires ocaml >= 3.12.0 & < 5.0
- dolog -> (problem)
    mirage-seal 0.4.2 requires < 4.0.0
    Rejected candidates:
      dolog.6.0.0: Incompatible with restriction: < 4.0.0
      dolog.4.0.0: Incompatible with restriction: < 4.0.0
      dolog.3.0: Requires ocaml < 5.0.0
      dolog.2.0: Requires ocaml < 5.0.0
      dolog.1.1: Requires ocaml < 5.0.0
- mirage -> mirage.2.6.1
    mirage-seal 0.4.2 requires >= 2.5.0 & < 3.0.0
- mirage-seal -> mirage-seal.0.4.2
    User requested = 0.4.2
- mirage-types -> (problem)
    mirage 2.6.1 requires >= 2.6.0 & < 3.0.0
    Rejected candidates:
      mirage-types.3.6.0: Incompatible with restriction: >= 2.6.0 & < 3.0.0
      mirage-types.2.8.0: Requires ocaml >= 4.02.3 & < 5.0
- mirage-types-lwt -> mirage-types-lwt.2.8.0
    mirage 2.6.1 requires < 3.0.0
- 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)

If you believe mirage-seal.0.4.2 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue