✗ 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 conf-autoconf.1 conf-which.1
          cppo.1.8.0 cppo_ocamlbuild.1.8.0 dune.3.24.2 ocaml-config.3
          ocaml-options-vanilla.1 ocamlbuild.0.16.1+ox ocamlfind.1.9.8+ox
          oxcaml.latest oxcaml-compiler.5.2.0minus39 oxcaml-patch-guards.ox
          ppx_derivers.1.2.1 ocaml-variants&ppx_deriving_argparse 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-migrate-parsetree -> (problem)
    Rejected candidates:
      ocaml-migrate-parsetree.2.4.0: Requires ocaml >= 4.02.3 & < 5.1
      ocaml-migrate-parsetree.2.3.0: Requires ocaml >= 4.02.3 & < 4.15
      ocaml-migrate-parsetree.2.2.0: Requires ocaml >= 4.02.3 & < 4.14
      ocaml-migrate-parsetree.2.1.0: Requires ocaml >= 4.02.3 & < 4.13
      ocaml-migrate-parsetree.2.0.0: Requires ocaml >= 4.02.3 & < 4.12
      ocaml-migrate-parsetree.1.8.0: Requires ocaml >= 4.02.3 & < 4.13
      ocaml-migrate-parsetree.1.7.3: Requires ocaml >= 4.02.3 & < 4.12
- 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)
- ppx_deriving -> (problem)
    ppx_deriving_argparse 0.0.5 requires >= 3.2 & < 5.0
    Rejected candidates:
      ppx_deriving.6.2.0: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.6.1.3: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.6.1.2: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.6.1.1+ox: Requires oxcaml-compiler not(> 5.2.0minus25)
      ppx_deriving.6.1.1: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.6.1.0: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.6.0.3: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.6.0.2: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.5.2.1: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.5.2: Incompatible with restriction: >= 3.2 & < 5.0
      ppx_deriving.5.1: Requires ocaml >= 4.05.0 & < 4.12
      ppx_deriving.5.0: Requires ocaml >= 4.05.0 & < 4.12
      ppx_deriving.4.5-1: Requires ocaml >= 4.02 & < 4.13.0
      ppx_deriving.4.5: Requires dune >= 1.6.3 & < 3.0
- ppx_deriving_argparse -> ppx_deriving_argparse.0.0.5
    User requested = 0.0.5

If you believe ppx_deriving_argparse.0.0.5 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue