✗ 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: ANSITerminal.0.8.5 angstrom.0.16.1 asn1-combinators.0.3.3
          astring.0.8.5 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 bigstringaf.0.10.0 bos.0.3.0
          ca-certs.1.0.3 cohttp.6.3.0 cohttp-lwt.6.3.0 cohttp-lwt-unix.6.3.0
          conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0
          conf-autoconf.1 conf-gmp.5 conf-gmp-powm-sec.4 conf-libssl.4
          conf-pkg-config.5 conf-which.1 cppo.1.8.0 csexp.1.5.2
          digestif.1.3.1 domain-name.0.5.0 dune.3.24.2
          dune-configurator.3.24.2 duration.0.3.1 eqaf.0.10 fmt.0.11.0
          fpath.0.7.3 gmap.0.3.0 http.6.3.0 ipaddr.5.6.2 ipaddr-sexp.5.6.2
          kdf.1.1.2 logs.0.10.0 lwt.6.1.2 lwt_ssl.1.2.0 macaddr.5.6.2
          magic-mime.1.3.1 mirage-crypto.2.4.1 mirage-crypto-ec.2.4.1
          mirage-crypto-pk.2.4.1 mirage-crypto-rng.2.4.1
          ocaml-compiler-libs.v0.17.0+ox ocaml-config.3
          ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0
          ocamlbuild.0.16.1+ox ocamlfind.1.9.8+ox ocplib-endian.1.2
          ohex.0.2.0 oxcaml.latest oxcaml-patch-guards.ox ppx_derivers.1.2.1
          ppx_helpers.v0.18~preview.130.106+341
          ppx_sexp_conv.v0.18~preview.130.106+341 ppxlib_ast.0.33.0+ox2
          ppxlib_jane.v0.18~preview.130.106+341 ptime.1.2.0 re.1.14.0+ox
          rresult.0.7.0 seq.base sexp_type.v0.18~preview.130.106+341
          sexplib0.v0.18~preview.130.106+341 ssl.0.8.0 stdlib-shims.0.3.0
          stringext.1.6.0 topkg.1.1.1+ox uri.4.4.0 uri-sexp.4.4.0 x509.1.2.0
          zarith.1.14 ocaml-variants&tldr ocaml ocaml-base-compiler
          ocaml-base-compiler base-domains ocaml-base-compiler
          oxcaml-angstrom-patches ocaml
- base -> (problem)
    oxcaml-compiler 5.2.0minus39 requires not(< v0.18~)
    stdio v0.16.0 requires >= v0.16 & < v0.17
    Rejected candidates:
      base.v0.18~preview.130.106+341: Incompatible with restriction: >= v0.16 & < v0.17
      base.v0.18~preview.130.100+614: Requires basement = v0.18~preview.130.100+614
      base.v0.18~preview.130.91+190: Requires basement = v0.18~preview.130.91+190
      base.v0.18~preview.130.83+317: Requires basement = v0.18~preview.130.83+317
      base.v0.17.3: Requires sexplib0 >= v0.17.0 & < v0.18~
      base.v0.17.2: Incompatible with restriction: not(< v0.18~)
      base.v0.17.1: Requires sexplib0 >= v0.17 & < v0.18~
      base.v0.17.0: Requires sexplib0 >= v0.17 & < v0.18~
      base.v0.16.5: Requires sexplib0 >= v0.16 & < v0.17
      base.v0.16.4: Requires sexplib0 >= v0.16 & < v0.17
      base.v0.16.3: Requires sexplib0 >= v0.16 & < v0.17
      base.v0.16.2: Requires sexplib0 >= v0.16 & < v0.17
      base.v0.16.1: Requires sexplib0 >= v0.16 & < v0.17
      base.v0.16.0: Requires sexplib0 >= v0.16 & < v0.17
      base.v0.15.2: Requires sexplib0 >= v0.15 & < v0.16
      base.v0.15.1: Requires sexplib0 >= v0.15 & < v0.16
      base.v0.15.0: Requires ocaml >= 4.10.0 & < 5.0
      base.v0.14.4: Requires sexplib0 >= v0.14 & < v0.15
      base.v0.14.3: Requires sexplib0 >= v0.14 & < v0.15
      base.v0.14.2: Requires sexplib0 >= v0.14 & < v0.15
      base.v0.14.1: Requires ocaml >= 4.08.0 & < 4.14
      base.v0.14.0: Requires ocaml >= 4.07.0 & < 4.12
      base.v0.13.2: Requires ocaml >= 4.04.2 & < 4.12
      base.v0.13.1: Requires ocaml >= 4.04.2 & < 4.12
- cmdliner -> cmdliner.1.3.0
    tldr 0.3.0 requires < 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
- oxcaml-angstrom-patches -> (problem)
    Rejected candidates:
      oxcaml-angstrom-patches.enabled: Requires angstrom = 0.16.1+ox
- oxcaml-compiler -> oxcaml-compiler.5.2.0minus39
    basement v0.18~preview.130.106+341 requires not(< 5.2.0minus39 | >= 5.4.0-ox1)
- ppxlib -> ppxlib.0.35.0
    ppx_helpers v0.18~preview.130.106+341 requires >= 0.33.0 & < 0.36.0
- stdio -> stdio.v0.16.0
    tldr 0.3.0 requires < v0.17
- tldr -> tldr.0.3.0
    User requested = 0.3.0

If you believe tldr.0.3.0 should be installable on Debian trixie, please comment on the ocurrent/ocaml-docs-ci issues: find issue · report issue