(for PR #28827)

2025-11-10 16:57.23: New job: build kaun.1.0.0~alpha2, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28827/head (3adacbc6aba2762d0750bc10bb58285f6b461c46)
                              on debian-13-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28827/head" && git reset --hard 3adacbc6
git fetch origin master
git merge --no-edit b6a264c784afa1e19f7a926fc10d49010ad12be4
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn kaun.1.0.0~alpha2 1.0.0~alpha2
RUN opam reinstall kaun.1.0.0~alpha2; \
    res=$?; \
    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 "$pkg" != 'kaun.1.0.0~alpha2' && partial_fails="$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 .

2025-11-10 16:57.23: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e-kaun.1.0.0~alpha2-3adacbc6aba2762d0750bc10bb58285f6b461c46"
2025-11-10 16:57.23: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e)
 (user (uid 1000) (gid 1000))
 (workdir /home/opam)
 (run (shell "sudo ln -f /usr/bin/opam-2.3 /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 kaun.1.0.0~alpha2 1.0.0~alpha2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall kaun.1.0.0~alpha2;\
             \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 \"$pkg\" != 'kaun.1.0.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-10 16:57.23: Waiting for resource in pool OCluster
2025-11-10 22:29.33: Waiting for worker…
2025-11-10 22:35.58: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
Updating files:  68% (12790/18716)
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Updating files: 100% (18716/18716)
Updating files: 100% (18716/18716), done.
HEAD is now at b6a264c784 Merge pull request #28853 from AltGr/catala100
Merge made by the 'ort' strategy.
 packages/fehu/fehu.1.0.0~alpha2/opam               | 49 +++++++++++++++
 packages/hugin/hugin.1.0.0~alpha2/opam             | 49 +++++++++++++++
 packages/kaun/kaun.1.0.0~alpha2/opam               | 50 ++++++++++++++++
 packages/nx-datasets/nx-datasets.1.0.0~alpha2/opam | 54 +++++++++++++++++
 packages/nx/nx.1.0.0~alpha2/opam                   | 65 ++++++++++++++++++++
 packages/quill/quill.1.0.0~alpha2/opam             | 70 ++++++++++++++++++++++
 packages/raven/raven.1.0.0~alpha2/opam             | 53 ++++++++++++++++
 packages/rune/rune.1.0.0~alpha2/opam               | 56 +++++++++++++++++
 packages/saga/saga.1.0.0~alpha2/opam               | 49 +++++++++++++++
 packages/sowilo/sowilo.1.0.0~alpha2/opam           | 47 +++++++++++++++
 packages/talon/talon.1.0.0~alpha2/opam             | 48 +++++++++++++++
 11 files changed, 590 insertions(+)
 create mode 100644 packages/fehu/fehu.1.0.0~alpha2/opam
 create mode 100644 packages/hugin/hugin.1.0.0~alpha2/opam
 create mode 100644 packages/kaun/kaun.1.0.0~alpha2/opam
 create mode 100644 packages/nx-datasets/nx-datasets.1.0.0~alpha2/opam
 create mode 100644 packages/nx/nx.1.0.0~alpha2/opam
 create mode 100644 packages/quill/quill.1.0.0~alpha2/opam
 create mode 100644 packages/raven/raven.1.0.0~alpha2/opam
 create mode 100644 packages/rune/rune.1.0.0~alpha2/opam
 create mode 100644 packages/saga/saga.1.0.0~alpha2/opam
 create mode 100644 packages/sowilo/sowilo.1.0.0~alpha2/opam
 create mode 100644 packages/talon/talon.1.0.0~alpha2/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e' locally
docker.io/ocaml/opam@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e: Pulling from ocaml/opam
Digest: sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e
Status: Downloaded newer image for ocaml/opam@sha256:00ac8d2b32d98ee2c476e540a2ee462e24f50f003f31c05c8e412147e16c039e
2025-11-10 22:36.06 ---> using "0a7782df646ba17c4c91deb7545267f63c19555df9b225a0640862ce540c1383" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-11-10 22:36.06 ---> using "873b0bfbdc4a8530b9467da7b0dfb9a2db8d77cced10ea76a53c9e1c3ddf0230" 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 development 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
2025-11-10 22:36.06 ---> using "e9243f4d01333a69ca1fd3730641c2bf1eceefb2ddf5754a4ff19ee66806fc17" 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         2.3.0 (35acd0c5abc5e66cdbd5be16ba77aa6c33a4c724)
# 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       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.2"}]
# compiler-packages    ocaml-base-compiler.4.14.2, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.14/lib/ocaml/stublibs:/home/opam/.opam/4.14/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.14.2
2025-11-10 22:36.06 ---> using "76ced3a3fa3701dbacd43cf095a7aefc812be375d636111761973c514394ed89" 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/"))
2025-11-10 22:36.06 ---> using "555e7f6f6b1ac8f8c8301d31d42b91cf19a4a889441aef01885e0813b8e093fe" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-10 22:36.48 ---> saved as "806b008163521079e86137a0961aa47755c6b8d348ffc25b518b04e68b725733"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-10 22:37.20 ---> saved as "6d86d8a6534147c7b32af8bf14cd9db83977519e13bb453adda614ba0901836a"

/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 [69.3 kB]
- Fetched 160 kB in 0s (391 kB/s)
- Reading package lists...
- 
2025-11-10 22:37.24 ---> saved as "530c2b694782c14d541c5b4dd15b10e8f53981b97328b56e9569d96bb873d4b2"

/home/opam: (run (shell "opam pin add -k version -yn kaun.1.0.0~alpha2 1.0.0~alpha2"))
kaun is now pinned to version 1.0.0~alpha2
2025-11-10 22:37.26 ---> saved as "aa4da70c74b4eb0e860711dc5cf756daf255f61aacad614cbb234f6d994d5740"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall kaun.1.0.0~alpha2;\
                        \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 \"$pkg\" != 'kaun.1.0.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
kaun.1.0.0~alpha2 is not installed. Install it? [y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - kaun >= 1.0.0~alpha2 -> ocaml >= 5.3.0 -> ocaml-variants < 5.4.1~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - kaun >= 1.0.0~alpha2 -> ocaml >= 5.3.0 -> ocaml-variants < 5.3.1~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - kaun >= 1.0.0~alpha2 -> ocaml >= 5.3.0 -> ocaml-variants < 5.3.1~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall kaun.1.0.0~alpha2;
        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 "$pkg" != 'kaun.1.0.0~alpha2' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-10 22:38.40: Job failed: Failed: Build failed
2025-11-10 22:38.40: Log analysis:
2025-11-10 22:38.40: >>> 
No solution found, exiting
 (score = 100)
2025-11-10 22:38.40: [SKIP] Package not available