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Building on basil
Running Day10 job:
  Sub-command: health-check
  Commit SHA: 5bf570252bd9fee71938b828ca0b86573c1e3355
  Package: opam-package-upgrade.0.2
  OCaml version: ocaml.5.3.0
  With test: false
Worktree already exists: /var/lib/day10/worktree-5bf570252bd9fee71938b828ca0b86573c1e3355
Executing: day10 health-check --cache-dir /var/lib/day10/cache --opam-repository /var/lib/day10/worktree-5bf570252bd9fee71938b828ca0b86573c1e3355 --ocaml-version ocaml.5.3.0 --log opam-package-upgrade.0.2
Can't find all required versions.
Selected: base-bigarray.base base-threads.base base-unix.base conf-c++.1.0
          cppo.1.8.0 cudf.0.10 dune.3.20.2 mccs.1.1+19 menhir.20250912
          menhirCST.20250912 menhirLib.20250912 menhirSdk.20250912
          ocaml-base-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.16.1 ocamlfind.1.9.8 ocamlgraph.2.2.0
          opam-file-format.2.2.0 re.1.14.0 ocaml&opam-package-upgrade
          ocaml-variants ocaml-base-compiler extlib extlib
          ocaml-base-compiler
- cmdliner -> cmdliner.1.3.0
    opam-client 2.0.10 requires >= 1.0.0 & < 2.0.0
- dose3 -> dose3.5.0.1-2
    opam-solver 2.0.10 requires >= 5 & < 6.0
- extlib -> (problem)
    opam-client 2.0.10 requires >= 1.7.3 & < 1.7.8
    Rejected candidates:
      extlib.1.8.0: Incompatible with restriction: >= 1.7.3 & < 1.7.8
      extlib.1.7.9: Requires ocaml >= 4.02 & < 5.3
      extlib.1.7.8: Requires ocaml < 5.0
      extlib.1.7.7-1: Requires ocaml < 5.0
      extlib.1.7.7: Requires ocaml < 4.12.0
      ...
- ocaml -> ocaml.5.3.0
    User requested = 5.3.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.4.0 requires = 5.4.0
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.4.0: Requires ocaml = 5.4.0
      ocaml-compiler.5.4.0~rc1: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.4.0~beta2: Incompatible with restriction: = 5.4.0
      ocaml-compiler.5.4.0~beta1: Incompatible with restriction: = 5.4.0
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0~rc1+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0~beta2+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- opam-client -> opam-client.2.0.10
    opam-package-upgrade 0.2 requires >= 2.0.1 & < 2.1
- opam-core -> opam-core.2.0.10
    opam-format 2.0.10 requires = 2.0.10
- opam-format -> opam-format.2.0.10
    opam-repository 2.0.10 requires = 2.0.10
- opam-package-upgrade -> opam-package-upgrade.0.2
    User requested = 0.2
- opam-repository -> opam-repository.2.0.10
    opam-client 2.0.10 requires = 2.0.10
- opam-solver -> opam-solver.2.0.10
    opam-client 2.0.10 requires = 2.0.10
- opam-state -> opam-state.2.0.10
    opam-client 2.0.10 requires = 2.0.10
[WARNING] no_solution
day10 command failed with exit code 1
Failed: Build failed