Package async_smtp

Failed to find a solution:

no platform:
2024-01-29 15:09.17 [INFO] Solving for ocaml-base-compiler, ocaml,
                           async_smtp using opam_repository_commit 251c5edf2ecdd2541c324dacb931c3606ee71eeb

2024-01-29 15:09.23 [INFO] base: eliminated all possibilities in 2.57 s

2024-01-29 15:09.23 [INFO] = base =

2024-01-29 15:09.23 [INFO] Can't find all required versions.
Selected: base-bigarray.base base-bytes.base base-domains.base base-nnp.base
          base-threads.base base-unix.base camlzip.1.11 conf-gmp.4
          conf-gmp-powm-sec.3 conf-libffi.2.0.0 conf-libssl.4
          conf-pkg-config.3 conf-zlib.1 cryptokit.1.19 csexp.1.5.2
          ctypes-foreign.0.21.1 dune.3.13.0 dune-configurator.3.13.0
          inotify.2.5 magic-mime.1.3.1 ocaml-config.3 ocaml-options-vanilla.1
          ocamlbuild.0.14.3 ocamlfind.1.9.6 ounit.2.2.7 ounit2.2.2.7 seq.base
          stdlib-shims.0.3.0 zarith.1.13 async_smtp&ocaml&ocaml-base-compiler
          ocaml-base-compiler ocaml-base-compiler ocaml base-domains ocaml
          ocaml-base-compiler
- async -> async.113.24.00
    async_extended 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_extended -> async_extended.113.24.00
    async_smtp 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_extra -> async_extra.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_find -> async_find.113.24.00
    async_extended 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_inotify -> async_inotify.113.24.00
    async_extended 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_kernel -> async_kernel.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_rpc_kernel -> async_rpc_kernel.113.24.00
    async_extra 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_shell -> async_shell.113.24.00
    async_extended 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_smtp -> async_smtp.113.24.00
    User requested = 113.24.00
- async_ssl -> async_ssl.113.24.00
    async_smtp 113.24.00 requires >= 113.24.00 & < 113.25.00
- async_unix -> async_unix.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- bin_prot -> (problem)
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      bin_prot.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      bin_prot.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      bin_prot.v0.14.1: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      bin_prot.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      bin_prot.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- core -> (problem)
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      core.v0.16.2: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core.v0.16.1: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core.v0.15.1: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- core_extended -> core_extended.113.24.00
    async_extended 113.24.00 requires >= 113.24.00 & < 113.25.00
- core_kernel -> (problem)
    async_kernel 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      core_kernel.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core_kernel.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core_kernel.v0.14.2: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core_kernel.v0.14.1: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      core_kernel.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- ctypes -> (problem)
    async_ssl 113.24.00 requires >= 0.4.0 & < 0.6.0
    Rejected candidates:
      ctypes.0.21.1: Incompatible with restriction: >= 0.4.0 & < 0.6.0
      ctypes.0.20.2: Incompatible with restriction: >= 0.4.0 & < 0.6.0
      ctypes.0.20.1: Incompatible with restriction: >= 0.4.0 & < 0.6.0
      ctypes.0.20.0: Incompatible with restriction: >= 0.4.0 & < 0.6.0
      ctypes.0.19.1: Incompatible with restriction: >= 0.4.0 & < 0.6.0
      ...
- email_message -> email_message.113.24.00
    async_smtp 113.24.00 requires >= 113.24.00 & < 113.25.00
- fieldslib -> (problem)
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      fieldslib.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      fieldslib.v0.12.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- ocaml -> ocaml.5.1.0
    User requested <= 5.1.0
- ocaml-base-compiler -> ocaml-base-compiler.5.1.0
    User requested >= 4.04.1
    ocaml-base-compiler|ocaml-variants|ocaml-system|dkml-base-compiler ocaml-base-compiler requires >= 5.1.0~ & < 5.1.1~
- ppx_assert -> ppx_assert.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_bench -> ppx_bench.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_bin_prot -> ppx_bin_prot.113.24.01
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_compare -> ppx_compare.113.24.00
    ppx_assert 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_core -> (problem)
    ppx_assert 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      ppx_core.v0.11.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ppx_core.v0.10.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ppx_core.v0.9.3: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ppx_core.v0.9.2: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ppx_core.v0.9.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- ppx_custom_printf -> ppx_custom_printf.113.24.00
    ppx_expect 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_deriving -> (problem)
    ppx_type_conv 113.24.00 requires >= 3.0 & < 4.0
    Rejected candidates:
      ppx_deriving.5.2.1: Incompatible with restriction: >= 3.0 & < 4.0
      ppx_deriving.5.2: Incompatible with restriction: >= 3.0 & < 4.0
      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_driver -> ppx_driver.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_enumerate -> ppx_enumerate.113.24.00
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_expect -> ppx_expect.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_fail -> ppx_fail.113.24.00
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_fields_conv -> ppx_fields_conv.113.24.00
    ppx_expect 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_here -> ppx_here.113.24.00
    ppx_assert 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_inline_test -> ppx_inline_test.113.24.00
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_jane -> ppx_jane.113.24.01
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_let -> ppx_let.113.24.00
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_optcomp -> ppx_optcomp.113.24.00
    ppx_driver 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_pipebang -> ppx_pipebang.113.24.00
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_sexp_conv -> ppx_sexp_conv.113.24.00
    ppx_assert 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_sexp_message -> ppx_sexp_message.113.24.00
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_sexp_value -> ppx_sexp_value.113.24.00
    ppx_expect 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_tools -> (problem)
    ppx_bin_prot 113.24.01 requires >= 0.99.3
    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
      ...
- ppx_type_conv -> ppx_type_conv.113.24.00
    ppx_assert 113.24.00 requires >= 113.24.00 & < 113.25.00
- ppx_typerep_conv -> ppx_typerep_conv.113.24.00
    ppx_jane 113.24.01 requires >= 113.24.00 & < 113.25.00
- ppx_variants_conv -> ppx_variants_conv.113.24.00
    ppx_expect 113.24.00 requires >= 113.24.00 & < 113.25.00
- re -> (problem)
    ppx_expect 113.24.00 requires >= 1.2.2 & < 1.7.0
    Rejected candidates:
      re.1.11.0: Incompatible with restriction: >= 1.2.2 & < 1.7.0
      re.1.10.4: Incompatible with restriction: >= 1.2.2 & < 1.7.0
      re.1.10.3: Incompatible with restriction: >= 1.2.2 & < 1.7.0
      re.1.9.0: Incompatible with restriction: >= 1.2.2 & < 1.7.0
      re.1.8.0: Incompatible with restriction: >= 1.2.2 & < 1.7.0
      ...
- re2 -> re2.113.24.00
    async_smtp 113.24.00 requires >= 113.24.00 & < 113.25.00
- sexplib -> (problem)
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      sexplib.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      sexplib.v0.15.1: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      sexplib.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      sexplib.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      sexplib.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- textutils -> textutils.113.24.00
    async_extended 113.24.00 requires >= 113.24.00 & < 113.25.00
- typerep -> (problem)
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      typerep.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      typerep.v0.12.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...
- variantslib -> (problem)
    async 113.24.00 requires >= 113.24.00 & < 113.25.00
    Rejected candidates:
      variantslib.v0.16.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.15.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.14.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.13.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      variantslib.v0.12.0: Incompatible with restriction: >= 113.24.00 & < 113.25.00
      ...