(for PR #28894)

2025-11-14 15:10.49: New job: test yocaml_unix.2.2.0 with lwt.6.0.0-beta01, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28894/head (b3a6ad64ea3115b9993ddd431f777dde4e6ec63f)
                              on debian-13-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28894/head" && git reset --hard b3a6ad64
git fetch origin master
git merge --no-edit 2ec6d6cc9216d1f4ec93aec16f34d7a35a7ef543
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:0b68f45799a4ff0af182b78277d652e076097f37cbcb04aa9d74bfbd7d300e58
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt.6.0.0-beta01 6.0.0-beta01
RUN opam reinstall lwt.6.0.0-beta01; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt.6.0.0-beta01' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN opam reinstall yocaml_unix.2.2.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'yocaml_unix.2.2.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test yocaml_unix.2.2.0) || true
RUN opam reinstall --with-test --verbose yocaml_unix.2.2.0; \
    res=$?; \
    test "$res" != 31 && exit "$res"; \
    export OPAMCLI=2.0; \
    build_dir=$(opam var prefix)/.opam-switch/build; \
    failed=$(ls "$build_dir"); \
    partial_fails=""; \
    for pkg in $failed; do \
    if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'yocaml_unix.2.2.0' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1

END-OF-DOCKERFILE
docker build -f ../Dockerfile .

2025-11-14 15:10.49: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:0b68f45799a4ff0af182b78277d652e076097f37cbcb04aa9d74bfbd7d300e58-lwt.6.0.0-beta01-yocaml_unix.2.2.0-b3a6ad64ea3115b9993ddd431f777dde4e6ec63f"
2025-11-14 15:10.49: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:0b68f45799a4ff0af182b78277d652e076097f37cbcb04aa9d74bfbd7d300e58)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
 (run (network host)
      (shell "opam init --reinit --config .opamrc-sandbox -ni"))
 (run (shell "opam option solver=builtin-0install && opam config report"))
 (env OPAMDOWNLOADJOBS 1)
 (env OPAMERRLOGLEN 0)
 (env OPAMPRECISETRACKING 1)
 (env CI true)
 (env OPAM_REPO_CI true)
 (run (shell "rm -rf opam-repository/"))
 (copy (src .) (dst opam-repository/))
 (run (shell "opam repository set-url --strict default opam-repository/"))
 (run (network host)
      (shell "opam update --depexts || true"))
 (run (shell "opam pin add -k version -yn lwt.6.0.0-beta01 6.0.0-beta01"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt.6.0.0-beta01;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt.6.0.0-beta01' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall yocaml_unix.2.2.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'yocaml_unix.2.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test yocaml_unix.2.2.0) || true"))
 (run (shell  "opam reinstall --with-test --verbose yocaml_unix.2.2.0;\
             \n        res=$?;\
             \n        test \"$res\" != 31 && exit \"$res\";\
             \n        export OPAMCLI=2.0;\
             \n        build_dir=$(opam var prefix)/.opam-switch/build;\
             \n        failed=$(ls \"$build_dir\");\
             \n        partial_fails=\"\";\
             \n        for pkg in $failed; do\
             \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'yocaml_unix.2.2.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-14 15:10.49: Waiting for resource in pool OCluster
2025-11-14 15:10.51: Waiting for worker…
2025-11-14 15:17.22: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
Updating files:  69% (13020/18769)
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Updating files: 100% (18769/18769), done.
HEAD is now at 2ec6d6cc92 Merge pull request #28891 from c-cube/release-moonpool-v0.10
Updating 2ec6d6cc92..b3a6ad64ea
Fast-forward
 packages/lwt/lwt.6.0.0-beta01/opam                 | 66 ++++++++++++++++++++++
 packages/lwt_direct/lwt_direct.6.0.0-beta01/opam   | 42 ++++++++++++++
 packages/lwt_ppx/lwt_ppx.6.0.0-beta01/opam         | 43 ++++++++++++++
 .../lwt_runtime_events.6.0.0-beta01/opam           | 40 +++++++++++++
 4 files changed, 191 insertions(+)
 create mode 100644 packages/lwt/lwt.6.0.0-beta01/opam
 create mode 100644 packages/lwt_direct/lwt_direct.6.0.0-beta01/opam
 create mode 100644 packages/lwt_ppx/lwt_ppx.6.0.0-beta01/opam
 create mode 100644 packages/lwt_runtime_events/lwt_runtime_events.6.0.0-beta01/opam

(from ocaml/opam:debian-13-ocaml-5.4@sha256:0b68f45799a4ff0af182b78277d652e076097f37cbcb04aa9d74bfbd7d300e58)
2025-11-14 15:17.24 ---> using "9f1bc9b76367c8d29be355965b06cbbd4aeb05818e6e1915136daad8eabad361" from cache

/: (user (uid 1000) (gid 1000))

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-14 15:17.24 ---> using "7167cf2609d50147b3cfe8b00e0f1981e785c56c3c47bd6356e0f3732d6bafd7" from cache

/home/opam: (run (network host)
                 (shell "opam init --reinit --config .opamrc-sandbox -ni"))
Configuring from /home/opam/.opamrc-sandbox, then /home/opam/.opamrc, and finally from built-in defaults.
Checking for available remotes: rsync and local, git.
  - you won't be able to use mercurial repositories unless you install the hg command on your system.
  - you won't be able to use darcs repositories unless you install the darcs command on your system.

This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.
You may want to back it up before going further.

Continue? [Y/n] y
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-11-14 15:17.24 ---> using "db7b310c65b31b91b9590efe8919a126934a7e42418115cd912ed2612662d318" from cache

/home/opam: (run (shell "opam option solver=builtin-0install && opam config report"))
Set to 'builtin-0install' the field solver in global configuration
# opam config report
# opam-version         2.5.0~alpha1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=13
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-base-compiler" {>= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2025-11-14 15:17.24 ---> using "370daf58656f453890b2ebe0d8367763e6fea8bbb7471d68f3d783ad40f9e8ee" from cache

/home/opam: (env OPAMDOWNLOADJOBS 1)

/home/opam: (env OPAMERRLOGLEN 0)

/home/opam: (env OPAMPRECISETRACKING 1)

/home/opam: (env CI true)

/home/opam: (env OPAM_REPO_CI true)

/home/opam: (run (shell "rm -rf opam-repository/"))
2025-11-14 15:17.24 ---> using "d7d7d34009e7cd5bb4f41663ceab70bbd4c419269902dabc72ab91552d36d91d" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-14 15:17.26 ---> using "f4e0d154356e420692cfb10cd4c9ed97b3fcf07a48747b5f2231088722b5f868" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-14 15:17.26 ---> using "a78aa14caebefb8ed0eb62f4e7f186d11e21cc8bd0f230f1dd3f71f819f9ee76" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [71.4 kB]
- Fetched 162 kB in 0s (1421 kB/s)
- Reading package lists...
- 
2025-11-14 15:17.26 ---> using "2bf2182934e4625955cb0125ab1be29f9d725c5244e58f4af6292536d339099c" from cache

/home/opam: (run (shell "opam pin add -k version -yn lwt.6.0.0-beta01 6.0.0-beta01"))
lwt is now pinned to version 6.0.0-beta01
2025-11-14 15:17.26 ---> using "bad90ce549ec42ab94c0724f208b28f5f088e63a0725e1999e3ed4ce8671fd52" from cache

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt.6.0.0-beta01;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt.6.0.0-beta01' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt.6.0.0-beta01 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 8 packages
  - install base-bytes        base                  [required by ocplib-endian]
  - install cppo              1.8.0                 [required by lwt]
  - install csexp             1.5.2                 [required by dune-configurator]
  - install dune              3.20.2                [required by lwt]
  - install dune-configurator 3.20.2                [required by lwt]
  - install lwt               6.0.0-beta01 (pinned)
  - install ocamlfind         1.9.8                 [required by base-bytes]
  - install ocplib-endian     1.2                   [required by lwt]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.20.2, dune-configurator.3.20.2  (cached)
-> retrieved lwt.6.0.0-beta01  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed dune.3.20.2
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.20.2
-> installed lwt.6.0.0-beta01
Done.
# To update the current shell environment, run: eval $(opam env)
2025-11-14 15:17.55 ---> saved as "ab4fcf7261abdce9b871a0cec5a55dcde4f58e70a210d9246bdd073f337a938f"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall yocaml_unix.2.2.0;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'yocaml_unix.2.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
yocaml_unix.2.2.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 89 packages
  - install angstrom                 0.16.1  [required by h1, h2]
  - install asn1-combinators         0.3.2   [required by x509]
  - install astring                  0.8.5   [required by bos]
  - install base                     v0.17.3 [required by ppx_expect]
  - install base64                   3.5.2   [required by h2, h1, cohttp]
  - install bigstringaf              0.10.0  [required by h2]
  - install bos                      0.2.1   [required by ca-certs]
  - install bstr                     0.0.2   [required by httpcats]
  - install ca-certs                 1.0.1   [required by httpcats]
  - install cmdliner                 2.0.0   [required by happy-eyeballs-miou-unix]
  - install cohttp                   6.1.1   [required by yocaml_runtime]
  - install conf-gmp                 5       [required by conf-gmp-powm-sec, zarith]
  - install conf-gmp-powm-sec        4       [required by mirage-crypto-pk]
  - install conf-pkg-config          4       [required by zarith]
  - install digestif                 1.3.0   [required by yocaml_runtime]
  - install dns                      10.2.2  [required by dns-client]
  - install dns-client               10.2.2  [required by dns-client-miou-unix]
  - install dns-client-miou-unix     10.2.2  [required by httpcats]
  - install domain-name              0.5.0   [required by dns-client-miou-unix]
  - install duration                 0.2.1   [required by happy-eyeballs, happy-eyeballs-miou-unix]
  - install eqaf                     0.10    [required by digestif, mirage-crypto]
  - install faraday                  0.8.2   [required by h1, h2]
  - install fmt                      0.11.0  [required by yocaml_runtime]
  - install fpath                    0.7.3   [required by ca-certs]
  - install gmap                     0.3.0   [required by x509]
  - install h1                       1.1.0   [required by httpcats]
  - install h2                       0.13.0  [required by httpcats]
  - install happy-eyeballs           2.0.1   [required by dns-client-miou-unix]
  - install happy-eyeballs-miou-unix 2.0.1   [required by httpcats]
  - install hpack                    0.13.0  [required by h2]
  - install http                     6.1.1   [required by cohttp]
  - install httpcats                 0.1.0   [required by yocaml_unix]
  - install httpun-types             0.2.0   [required by h1, h2]
  - install ipaddr                   5.6.1   [required by dns-client-miou-unix]
  - install jane-street-headers      v0.17.0 [required by time_now]
  - install jst-config               v0.17.0 [required by time_now]
  - install kdf                      1.0.0   [required by x509]
  - install logs                     0.10.0  [required by yocaml_runtime]
  - install lru                      0.3.1   [required by dns]
  - install macaddr                  5.6.1   [required by ipaddr]
  - install magic-mime               1.3.1   [required by yocaml_runtime]
  - install metrics                  0.5.0   [required by dns]
  - install miou                     0.5.0   [required by httpcats]
  - install mirage-crypto            2.0.2   [required by ca-certs]
  - install mirage-crypto-ec         2.0.2   [required by x509]
  - install mirage-crypto-pk         2.0.2   [required by x509]
  - install mirage-crypto-rng        2.0.2   [required by x509, dns-client]
  - install mtime                    2.1.0   [required by dns-client, happy-eyeballs-miou-unix]
  - install ocaml-compiler-libs      v0.17.0 [required by ppxlib]
  - install ocaml-syntax-shims       1.0.0   [required by angstrom]
  - install ocaml_intrinsics_kernel  v0.17.1 [required by base]
  - install ocamlbuild               0.16.1  [required by bos, ptime]
  - install ohex                     0.2.0   [required by ca-certs]
  - install ppx_assert               v0.17.0 [required by jst-config]
  - install ppx_base                 v0.17.0 [required by time_now]
  - install ppx_cold                 v0.17.0 [required by ppx_base]
  - install ppx_compare              v0.17.0 [required by ppx_base]
  - install ppx_derivers             1.2.1   [required by ppxlib]
  - install ppx_enumerate            v0.17.0 [required by ppx_base]
  - install ppx_expect               v0.17.3 [required by yocaml_unix]
  - install ppx_globalize            v0.17.2 [required by ppx_base]
  - install ppx_hash                 v0.17.0 [required by ppx_base]
  - install ppx_here                 v0.17.0 [required by ppx_expect]
  - install ppx_inline_test          v0.17.1 [required by ppx_expect]
  - install ppx_optcomp              v0.17.1 [required by time_now]
  - install ppx_sexp_conv            v0.17.1 [required by cohttp]
  - install ppxlib                   0.37.0  [required by ppx_expect]
  - install ppxlib_jane              v0.17.4 [required by ppx_globalize, ppx_enumerate, ppx_hash]
  - install psq                      0.2.1   [required by h2]
  - install ptime                    1.2.0   [required by ca-certs]
  - install randomconv               0.2.0   [required by dns-client]
  - install re                       1.14.0  [required by cohttp]
  - install rresult                  0.7.0   [required by bos]
  - install seq                      base    [required by psq]
  - install sexplib0                 v0.17.0 [required by base, cohttp]
  - install stdio                    v0.17.0 [required by ppx_expect]
  - install stdlib-shims             0.3.0   [required by ppxlib]
  - install stringext                1.6.0   [required by cohttp]
  - install time_now                 v0.17.0 [required by ppx_inline_test]
  - install tls                      2.0.3   [required by tls-miou-unix]
  - install tls-miou-unix            2.0.3   [required by httpcats]
  - install topkg                    1.1.1   [required by bos, ptime]
  - install uri                      4.4.0   [required by cohttp]
  - install uri-sexp                 4.4.0   [required by cohttp]
  - install x509                     1.0.6   [required by ca-certs]
  - install yocaml                   2.2.0   [required by yocaml_unix]
  - install yocaml_runtime           2.2.0   [required by yocaml_unix]
  - install yocaml_unix              2.2.0
  - install zarith                   1.14    [required by mirage-crypto-pk]

The following system packages will first need to be installed:
    libgmp-dev pkg-config

<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>

opam believes some required external dependencies are missing. opam can:
> 1. Run apt-get to install them (may need root/sudo access)
  2. Display the recommended apt-get command and wait while you run it manually (e.g. in another terminal)
  3. Continue anyway, and, upon success, permanently register that this external dependency is present, but not detectable
  4. Abort the installation

[1/2/3/4] 1

+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libgmp-dev" "pkg-config"
- Selecting previously unselected package libgmpxx4ldbl:amd64.
- (Reading database ... 
(Reading database ... 5%
(Reading database ... 10%
(Reading database ... 15%
(Reading database ... 20%
(Reading database ... 25%
(Reading database ... 30%
(Reading database ... 35%
(Reading database ... 40%
(Reading database ... 45%
(Reading database ... 50%
(Reading database ... 55%
(Reading database ... 60%
(Reading database ... 65%
(Reading database ... 70%
(Reading database ... 75%
(Reading database ... 80%
(Reading database ... 85%
(Reading database ... 90%
(Reading database ... 95%
(Reading database ... 100%
(Reading database ... 20653 files and directories currently installed.)
- Preparing to unpack .../0-libgmpxx4ldbl_2%3a6.3.0+dfsg-3_amd64.deb ...
- Unpacking libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3) ...
- Selecting previously unselected package libgmp-dev:amd64.
- Preparing to unpack .../1-libgmp-dev_2%3a6.3.0+dfsg-3_amd64.deb ...
- Unpacking libgmp-dev:amd64 (2:6.3.0+dfsg-3) ...
- Selecting previously unselected package libpkgconf3:amd64.
- Preparing to unpack .../2-libpkgconf3_1.8.1-4_amd64.deb ...
- Unpacking libpkgconf3:amd64 (1.8.1-4) ...
- Selecting previously unselected package pkgconf-bin.
- Preparing to unpack .../3-pkgconf-bin_1.8.1-4_amd64.deb ...
- Unpacking pkgconf-bin (1.8.1-4) ...
- Selecting previously unselected package pkgconf:amd64.
- Preparing to unpack .../4-pkgconf_1.8.1-4_amd64.deb ...
- Unpacking pkgconf:amd64 (1.8.1-4) ...
- Selecting previously unselected package pkg-config:amd64.
- Preparing to unpack .../5-pkg-config_1.8.1-4_amd64.deb ...
- Unpacking pkg-config:amd64 (1.8.1-4) ...
- Setting up libpkgconf3:amd64 (1.8.1-4) ...
- Setting up libgmpxx4ldbl:amd64 (2:6.3.0+dfsg-3) ...
- Setting up pkgconf-bin (1.8.1-4) ...
- Setting up libgmp-dev:amd64 (2:6.3.0+dfsg-3) ...
- Setting up pkgconf:amd64 (1.8.1-4) ...
- Setting up pkg-config:amd64 (1.8.1-4) ...
- Processing triggers for libc-bin (2.41-12) ...

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved angstrom.0.16.1  (cached)
-> retrieved asn1-combinators.0.3.2  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved base.v0.17.3  (cached)
-> retrieved base64.3.5.2  (cached)
-> retrieved bigstringaf.0.10.0  (cached)
-> retrieved bos.0.2.1  (cached)
-> retrieved bstr.0.0.2  (cached)
-> retrieved ca-certs.1.0.1  (cached)
-> retrieved cmdliner.2.0.0  (cached)
-> retrieved cohttp.6.1.1, http.6.1.1  (cached)
-> retrieved conf-gmp.5  (cached)
-> retrieved conf-gmp-powm-sec.4  (cached)
-> installed base64.3.5.2
-> installed conf-gmp.5
-> installed conf-pkg-config.4
-> installed conf-gmp-powm-sec.4
-> installed bstr.0.0.2
-> installed bigstringaf.0.10.0
-> installed http.6.1.1
-> retrieved digestif.1.3.0  (cached)
-> retrieved dns.10.2.2, dns-client.10.2.2, dns-client-miou-unix.10.2.2  (cached)
-> retrieved domain-name.0.5.0  (cached)
-> retrieved duration.0.2.1  (cached)
-> retrieved eqaf.0.10  (cached)
-> retrieved faraday.0.8.2  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved gmap.0.3.0  (cached)
-> retrieved h1.1.1.0  (cached)
-> retrieved h2.0.13.0, hpack.0.13.0  (cached)
-> retrieved happy-eyeballs.2.0.1, happy-eyeballs-miou-unix.2.0.1  (cached)
-> installed domain-name.0.5.0
-> installed duration.0.2.1
-> installed gmap.0.3.0
-> installed faraday.0.8.2
-> retrieved httpcats.0.1.0  (cached)
-> retrieved httpun-types.0.2.0  (cached)
-> retrieved ipaddr.5.6.1, macaddr.5.6.1  (cached)
-> retrieved jane-street-headers.v0.17.0  (cached)
-> retrieved jst-config.v0.17.0  (cached)
-> retrieved kdf.1.0.0  (cached)
-> retrieved logs.0.10.0  (cached)
-> retrieved lru.0.3.1  (cached)
-> retrieved magic-mime.1.3.1  (cached)
-> retrieved metrics.0.5.0  (cached)
-> retrieved miou.0.5.0  (cached)
-> installed jane-street-headers.v0.17.0
-> installed eqaf.0.10
-> installed httpun-types.0.2.0
-> installed macaddr.5.6.1
-> retrieved mirage-crypto.2.0.2, mirage-crypto-ec.2.0.2, mirage-crypto-pk.2.0.2, mirage-crypto-rng.2.0.2  (cached)
-> installed ipaddr.5.6.1
-> retrieved mtime.2.1.0  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> installed magic-mime.1.3.1
-> installed miou.0.5.0
-> installed digestif.1.3.0
-> retrieved ohex.0.2.0  (cached)
-> retrieved ppx_assert.v0.17.0  (cached)
-> retrieved ppx_base.v0.17.0  (cached)
-> retrieved ppx_cold.v0.17.0  (cached)
-> retrieved ppx_compare.v0.17.0  (cached)
-> installed ocaml_intrinsics_kernel.v0.17.1
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_enumerate.v0.17.0  (cached)
-> retrieved ppx_expect.v0.17.3  (cached)
-> retrieved ppx_globalize.v0.17.2  (cached)
-> retrieved ppx_hash.v0.17.0  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_inline_test.v0.17.1  (cached)
-> retrieved ppx_optcomp.v0.17.1  (cached)
-> retrieved ppx_sexp_conv.v0.17.1  (cached)
-> installed ohex.0.2.0
-> installed ppx_derivers.1.2.1
-> retrieved ppxlib.0.37.0  (cached)
-> retrieved ppxlib_jane.v0.17.4  (cached)
-> retrieved psq.0.2.1  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved randomconv.0.2.0  (cached)
-> retrieved re.1.14.0  (cached)
-> retrieved rresult.0.7.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdio.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved stringext.1.6.0  (cached)
-> retrieved time_now.v0.17.0  (cached)
-> installed randomconv.0.2.0
-> retrieved tls.2.0.3, tls-miou-unix.2.0.3  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved uri.4.4.0, uri-sexp.4.4.0  (cached)
-> installed stdlib-shims.0.3.0
-> retrieved x509.1.0.6  (cached)
-> installed stringext.1.6.0
-> retrieved yocaml.2.2.0, yocaml_runtime.2.2.0, yocaml_unix.2.2.0  (cached)
-> installed ocaml-syntax-shims.1.0.0
-> installed psq.0.2.1
-> retrieved zarith.1.14  (cached)
-> installed ocaml-compiler-libs.v0.17.0
-> installed sexplib0.v0.17.0
-> installed lru.0.3.1
-> installed angstrom.0.16.1
-> installed re.1.14.0
-> installed cmdliner.2.0.0
-> installed h1.1.1.0
-> installed hpack.0.13.0
-> installed mirage-crypto.2.0.2
-> installed kdf.1.0.0
-> installed h2.0.13.0
-> installed uri.4.4.0
-> installed zarith.1.14
-> installed ocamlbuild.0.16.1
-> installed base.v0.17.3
-> installed stdio.v0.17.0
-> installed topkg.1.1.1
-> installed rresult.0.7.0
-> installed mtime.2.1.0
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed ptime.1.2.0
-> installed metrics.0.5.0
-> installed fpath.0.7.3
-> installed asn1-combinators.0.3.2
-> installed logs.0.10.0
-> installed happy-eyeballs.2.0.1
-> installed mirage-crypto-rng.2.0.2
-> installed happy-eyeballs-miou-unix.2.0.1
-> installed mirage-crypto-pk.2.0.2
-> installed dns.10.2.2
-> installed bos.0.2.1
-> installed dns-client.10.2.2
-> installed ppxlib.0.37.0
-> installed mirage-crypto-ec.2.0.2
-> installed ppxlib_jane.v0.17.4
-> installed ppx_optcomp.v0.17.1
-> installed ppx_here.v0.17.0
-> installed x509.1.0.6
-> installed ppx_cold.v0.17.0
-> installed ca-certs.1.0.1
-> installed ppx_globalize.v0.17.2
-> installed tls.2.0.3
-> installed ppx_compare.v0.17.0
-> installed ppx_enumerate.v0.17.0
-> installed tls-miou-unix.2.0.3
-> installed dns-client-miou-unix.10.2.2
-> installed ppx_sexp_conv.v0.17.1
-> installed httpcats.0.1.0
-> installed uri-sexp.4.4.0
-> installed ppx_hash.v0.17.0
-> installed ppx_assert.v0.17.0
-> installed ppx_base.v0.17.0
-> installed cohttp.6.1.1
-> installed jst-config.v0.17.0
-> installed time_now.v0.17.0
-> installed ppx_inline_test.v0.17.1
-> installed ppx_expect.v0.17.3
-> installed yocaml.2.2.0
-> installed yocaml_runtime.2.2.0
-> installed yocaml_unix.2.2.0
Done.
# To update the current shell environment, run: eval $(opam env)
2025-11-14 15:20.10 ---> saved as "e26dae1737b10686d9ebcd2ff84c61806ad6f25b1ef84c9c6fbd99e7346b244e"

/home/opam: (run (network host)
                 (shell "(opam reinstall --with-test yocaml_unix.2.2.0) || true"))
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-variants
  * Missing dependency:
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.0
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
2025-11-14 15:20.31 ---> saved as "a29144df29eaf13a6d950f75b6397504fda3170cce1c0762c48b476395fe35a1"

/home/opam: (run (shell  "opam reinstall --with-test --verbose yocaml_unix.2.2.0;\
                        \n        res=$?;\
                        \n        test \"$res\" != 31 && exit \"$res\";\
                        \n        export OPAMCLI=2.0;\
                        \n        build_dir=$(opam var prefix)/.opam-switch/build;\
                        \n        failed=$(ls \"$build_dir\");\
                        \n        partial_fails=\"\";\
                        \n        for pkg in $failed; do\
                        \n          if opam show -f x-ci-accept-failures: \"$pkg\" | grep -qF \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'yocaml_unix.2.2.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-variants
  * Missing dependency:
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.0
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - yocaml_unix = 2.2.0 -> mdx = 2.5.0 -> ocaml < 5.4 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
'opam reinstall --with-test --verbose yocaml_unix.2.2.0' failed.
"/usr/bin/env" "bash" "-c" "opam reinstall --with-test --verbose yocaml_unix.2.2.0;
        res=$?;
        test "$res" != 31 && exit "$res";
        export OPAMCLI=2.0;
        build_dir=$(opam var prefix)/.opam-switch/build;
        failed=$(ls "$build_dir");
        partial_fails="";
        for pkg in $failed; do
          if opam show -f x-ci-accept-failures: "$pkg" | grep -qF "\"debian-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'yocaml_unix.2.2.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-14 15:21.12: Job failed: Failed: Build failed
2025-11-14 15:21.12: Log analysis:
2025-11-14 15:21.12: >>> 
No solution found, exiting
 (score = 100)
2025-11-14 15:21.12: >>> 
No solution found, exiting
 (score = 100)
2025-11-14 15:21.12: [SKIP] Package not available