Package qcow

Failed to find a solution:

no platform:
2025-05-16 17:48.39 [INFO] Solving for ocaml-base-compiler,
                           qcow, constraints ocaml-base-compiler<=5.3.0,
                           qcow=0.11.0 using opam_repository_commit cf409d95af00ff822422bd76b657ed213b661401

2025-05-16 17:48.41 [INFO] base: eliminated all possibilities in 0.56 s

2025-05-16 17:48.41 [INFO] = base =

2025-05-16 17:48.41 [INFO] Can't find all required versions.
Selected: asetmap.0.8.1 astring.0.8.5 base.v0.17.2 base-bytes.base
          base-threads.base base-unix.base cmdliner.1.3.0 conf-pkg-config.4
          cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0
          domain-name.0.4.1 dune.3.18.2 dune-configurator.3.18.2
          duration.0.2.1 fmt.0.10.0 io-page.3.0.0 ipaddr.5.6.0 logs.0.8.0
          lwt.5.9.1 macaddr.5.6.0 mirage-block-combinators.3.0.2
          mirage-channel-lwt.3.2.0 mirage-clock-lwt.2.0.0
          mirage-console-lwt.2.4.3 mirage-fs-lwt.2.0.0 mirage-kv-lwt.2.0.0
          mirage-net-lwt.2.0.0 mirage-protocols-lwt.3.1.0
          mirage-stack-lwt.1.4.0 mirage-time-lwt.1.3.0 num.1.5-1 ocaml.5.5.0
          ocaml-config.3 ocaml-options-vanilla.1
          ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8
          ocplib-endian.1.2 parsexp.v0.17.0 ppx_derivers.1.2.1
          ppx_deriving.6.1.0 ppx_sexp_conv.v0.17.0 ppxlib_jane.v0.17.2
          prometheus.1.2 re.1.12.0 result.1.5 seq.base sexplib.v0.17.0
          sexplib0.v0.17.0 sha.1.15.4 stdlib-shims.0.3.0 topkg.1.0.8
          qcow&ocaml-base-compiler ocaml-variants ocaml-base-compiler
          ocaml-base-compiler
- io-page-unix -> (problem)
    No usable implementations:
      io-page-unix.2.3.0: Availability condition not satisfied
      io-page-unix.2.2.0: Availability condition not satisfied
      io-page-unix.2.1.0: Availability condition not satisfied
      io-page-unix.2.0.1: Availability condition not satisfied
      io-page-unix.2.0.0: Availability condition not satisfied
- mirage-block -> (problem)
    mirage-block-combinators 3.0.2 requires = 3.0.2
    mirage-types 3.6.0 requires >= 1.1.0 & < 2.0.0
    Rejected candidates:
      mirage-block.3.0.2: Incompatible with restriction: >= 1.1.0 & < 2.0.0
      mirage-block.3.0.1: Incompatible with restriction: = 3.0.2
      mirage-block.3.0.0: Incompatible with restriction: = 3.0.2
      mirage-block.2.0.1: Requires mirage-device >= 2.0.0
      mirage-block.1.2.0: Incompatible with restriction: = 3.0.2
      ...
- mirage-block-lwt -> (problem)
    Rejected candidates:
      mirage-block-lwt.1.2.0: Requires cstruct >= 2.0.0 & < 6.0.1
- mirage-block-unix -> (problem)
    qcow 0.11.0 requires >= 2.5.0 & < 2.13.0
    Rejected candidates:
      mirage-block-unix.2.14.2: Incompatible with restriction: >= 2.5.0 & < 2.13.0
      mirage-block-unix.2.14.1: Incompatible with restriction: >= 2.5.0 & < 2.13.0
      mirage-block-unix.2.14.0: Requires ocaml >= 4.06.0 & < 5.0
      mirage-block-unix.2.13.0: Requires ocaml >= 4.06.0 & < 5.0
      mirage-block-unix.2.12.1: Requires ocaml >= 4.06.0 & < 5.0
      ...
- mirage-channel -> mirage-channel.3.2.0
    mirage-channel-lwt 3.2.0 requires >= 3.0.0 & < 4.0.0
- mirage-clock -> mirage-clock.2.0.0
    mirage-clock-lwt 2.0.0 requires >= 1.2.0 & < 3.0.0
- mirage-console -> mirage-console.2.4.3
    mirage-console-lwt 2.4.3 requires = 2.4.3 & < 3.0.0
- mirage-device -> mirage-device.1.2.0
    mirage-clock 2.0.0 requires >= 1.0.0 & < 2.0.0
- mirage-flow -> mirage-flow.1.6.0
    mirage-channel 3.2.0 requires >= 1.2.0 & < 2.0.0
- mirage-flow-lwt -> (problem)
    Rejected candidates:
      mirage-flow-lwt.1.6.0: Requires cstruct >= 2.0.0 & < 6.1.0
      mirage-flow-lwt.1.5.0: Requires cstruct >= 2.0.0 & < 6.1.0
      mirage-flow-lwt.1.4.0: Requires lwt < 5.6.0
      mirage-flow-lwt.1.3.0: Requires lwt < 5.6.0
      mirage-flow-lwt.1.2.0: Requires fmt < 0.8.10
- mirage-fs -> mirage-fs.2.0.0
    mirage-fs-lwt 2.0.0 requires >= 1.0.0 & < 3.0.0
- mirage-kv -> mirage-kv.2.0.0
    mirage-kv-lwt 2.0.0 requires >= 2.0.0 & < 3.0.0
- mirage-net -> mirage-net.2.0.0
    mirage-net-lwt 2.0.0 requires >= 2.0.0 & < 3.0.0
- mirage-protocols -> mirage-protocols.3.1.0
    mirage-protocols-lwt 3.1.0 requires >= 2.0.0 & < 4.0.0
- mirage-random -> mirage-random.1.2.0
    mirage-types 3.6.0 requires >= 1.2.0 & < 2.0.0
- mirage-stack -> mirage-stack.1.4.0
    mirage-stack-lwt 1.4.0 requires >= 1.3.0 & < 2.0.0
- mirage-time -> mirage-time.1.3.0
    mirage-time-lwt 1.3.0 requires >= 1.0.0 & < 2.0.0
- mirage-types -> mirage-types.3.6.0
    mirage-types-lwt 3.6.0 requires >= 3.5.0 & < 3.7.0
- mirage-types-lwt -> mirage-types-lwt.3.6.0
    qcow 0.11.0 requires >= 2.6.0 & < 3.7.0
- ocaml-base-compiler -> ocaml-base-compiler.5.3.0
    User requested <= 5.3.0
- ocaml-compiler -> (problem)
    ocaml-base-compiler 5.3.0 requires = 5.3.0
    Rejected candidates:
      ocaml-compiler.5.5: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.4: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0: Requires ocaml = 5.3.0
      ocaml-compiler.5.3.0~rc1: Incompatible with restriction: = 5.3.0
      ocaml-compiler.5.3.0~beta2: Incompatible with restriction: = 5.3.0
      ...
- ocaml-variants -> (problem)
    Rejected candidates:
      ocaml-variants.5.5.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.4.0+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.1+trunk: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+options: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ocaml-variants.5.3.0+BER: In same conflict class (ocaml-core-compiler) as ocaml-base-compiler
      ...
- ppx_tools -> (problem)
    Rejected candidates:
      ppx_tools.6.6: Requires ocaml >= 4.08.0 & < 5.1.0
      ppx_tools.6.5: Requires ocaml >= 4.08.0 & < 4.15.0
      ppx_tools.6.4: Requires ocaml >= 4.08.0 & < 4.14.0
      ppx_tools.6.3: Requires ocaml >= 4.08.0 & < 4.13.0
      ppx_tools.6.2: Requires ocaml >= 4.08.0 & < 4.12.0
      ...
- ppxlib -> (problem)
    ppx_deriving 6.1.0 requires >= 0.36.0
    ppx_sexp_conv v0.17.0 requires >= 0.28.0 & < 0.36.0
    Rejected candidates:
      ppxlib.0.36.0: Incompatible with restriction: >= 0.28.0 & < 0.36.0
      ppxlib.0.35.0: Incompatible with restriction: >= 0.36.0
      ppxlib.0.34.0: Incompatible with restriction: >= 0.36.0
      ppxlib.0.33.0: Incompatible with restriction: >= 0.36.0
      ppxlib.0.32.1: Incompatible with restriction: >= 0.36.0
      ...
- qcow -> qcow.0.11.0
    User requested = 0.11.0
- unix-type-representations -> (problem)
    Rejected candidates:
      unix-type-representations.0.1.2: Requires ocaml < 5.0.0
      unix-type-representations.0.1.1: Requires ocaml < 5.0.0
      unix-type-representations.0.1.0: Requires ocaml < 5.0.0