✗ 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 b0.0.0.6 base-bigarray.base base-bytes.base
          base-domains.base base-nnp.base base-threads.base base-unix.base
          base64.3.5.2 basement.v0.18~preview.130.106+341 bigstring.0.3
          bigstringaf.0.10.0 bos.0.3.0 brr.0.0.9 camlp-streams.5.0.1
          capsule0.v0.18~preview.130.106+341 checkseum.0.5.4 cmarkit.0.4.0
          cmdliner.2.1.1 conf-autoconf.1 conf-which.1 cppo.1.8.0 crunch.4.1.0
          csexp.1.5.2 cstruct.6.3.0 decompress.1.6.1 domain-local-await.1.0.1
          dune.3.24.2 dune-build-info.3.24.2 dune-configurator.3.24.2 eio.1.6
          eio_linux.1.6 eio_main.1.6 eio_posix.1.6 fmt.0.11.0 fpath.0.7.3
          gen.1.1 hmap.0.8.1 iomux.0.4 js_of_ocaml.6.4.1
          js_of_ocaml-compiler.6.4.1 js_of_ocaml-toplevel.6.4.1 jsonm.1.0.2
          logs.0.10.0 lwt.6.1.2 lwt-dllist.1.1.0 melange.7.0.1-52
          menhir.20260209 menhirCST.20260209 menhirGLR.20260209
          menhirLib.20260209 menhirSdk.20260209 mtime.2.2.0 num.1.6
          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 ocplib-endian.1.2 odig.0.1.0
          odoc.3.2.1+master.1791558161.c213704
          odoc-driver.3.2.1+master.1791558161.c213704
          odoc-md.3.2.1+master.1791558161.c213704
          odoc-parser.3.2.1+master.1791558161.c213704 opam-core.2.6.1
          opam-file-format.2.2.0 opam-format.2.6.1 optint.0.3.0 oxcaml.latest
          oxcaml-patch-guards.ox parsexp.v0.18~preview.130.106+341
          patch.3.1.2 ppx_blob.0.9.0 ppx_derivers.1.2.1 ppxlib.0.39.0
          progress.0.5.0 psq.0.2.1 ptime.1.2.0 re.1.14.0+ox result.1.5
          rresult.0.7.0 sedlex.3.8.1 seq.base
          sexp_type.v0.18~preview.130.106+341
          sexplib.v0.18~preview.130.106+341
          sexplib0.v0.18~preview.130.106+341 sha.1.15.4
          sherlodoc.3.2.1+master.1791558161.c213704 stdlib-shims.0.3.0
          swhid_core.0.1 terminal.0.5.0 thread-table.1.0.0 topkg.1.1.1+ox
          tyxml.5.0.0 unique.v0.18~preview.130.106+341 uring.2.15.0
          uucp.18.0.0 uutf.1.0.4+ox yojson.3.0.0
          ocaml-variants&ppx_deriving_melange ocaml ocaml-base-compiler
          ocaml-base-compiler base-domains ocaml-base-compiler
          oxcaml-angstrom-patches ocaml 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)
- ppx_deriving_melange -> ppx_deriving_melange.0.2.0
    User requested = 0.2.0
- ppx_js_style -> (problem)
    parsexp v0.18~preview.130.106+341 requires = v0.18~preview.130.106+341
    Rejected candidates:
      ppx_js_style.v0.18~preview.130.106+341: Requires ppxlib >= 0.33.0 & < 0.36.0
      ppx_js_style.v0.18~preview.130.100+614: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.18~preview.130.91+190: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.18~preview.130.83+317: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.17.1: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.17.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.16.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.15.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.14.1: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.14.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_js_style.v0.13.0: Incompatible with restriction: = v0.18~preview.130.106+341
- ppx_sexp_conv -> (problem)
    parsexp v0.18~preview.130.106+341 requires = v0.18~preview.130.106+341
    Rejected candidates:
      ppx_sexp_conv.v0.18~preview.130.106+341: Requires ppxlib >= 0.33.0 & < 0.36.0
      ppx_sexp_conv.v0.18~preview.130.100+614: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.18~preview.130.91+190: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.18~preview.130.83+317: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.17.1: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.17.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.16.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.15.1: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.15.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.14.3: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.14.2: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.14.1: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.14.0: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_sexp_conv.v0.13.0: Incompatible with restriction: = v0.18~preview.130.106+341
- ppx_template -> (problem)
    capsule0 v0.18~preview.130.106+341 requires = v0.18~preview.130.106+341
    Rejected candidates:
      ppx_template.v0.18~preview.130.106+341: Requires ppxlib >= 0.33.0 & < 0.36.0
      ppx_template.v0.18~preview.130.100+614: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_template.v0.18~preview.130.91+190: Incompatible with restriction: = v0.18~preview.130.106+341
      ppx_template.v0.18~preview.130.83+317: Incompatible with restriction: = v0.18~preview.130.106+341

If you believe ppx_deriving_melange.0.2.0 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue