2026-04-28 11:18.33: New job: test caqti-miou.2.3.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29814/head (fdfb6228205e20a2c1d1237b02504850a8409646)
                              on opensuse-15.6-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29814/head" && git reset --hard fdfb6228
git fetch origin master
git merge --no-edit 0d8fa4e2785bb4702bdbdbce972aecc1bbf211fb
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn caqti-miou.2.3.1 2.3.1
RUN opam reinstall caqti-miou.2.3.1; \
    res=$?; \
    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 "\"opensuse-15.6\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'caqti-miou.2.3.1' && partial_fails="$partial_fails $pkg"; \
    done; \
    test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}"; \
    exit 1
RUN (opam reinstall --with-test caqti-miou.2.3.1) || true
RUN opam reinstall --with-test --verbose caqti-miou.2.3.1; \
    res=$?; \
    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 "\"opensuse-15.6\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'caqti-miou.2.3.1' && partial_fails="$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 .

2026-04-28 11:18.33: Using cache hint "ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853-caqti-miou.2.3.1-fdfb6228205e20a2c1d1237b02504850a8409646"
2026-04-28 11:18.33: Using OBuilder spec:
((from ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853)
 (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 caqti-miou.2.3.1 2.3.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall caqti-miou.2.3.1;\
             \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 \"\\\"opensuse-15.6\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'caqti-miou.2.3.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
 (run (network host)
      (shell "(opam reinstall --with-test caqti-miou.2.3.1) || true"))
 (run (shell  "opam reinstall --with-test --verbose caqti-miou.2.3.1;\
             \n        res=$?;\
             \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 \"\\\"opensuse-15.6\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'caqti-miou.2.3.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-04-28 11:18.33: Waiting for resource in pool OCluster
2026-04-28 11:18.34: Waiting for worker…
2026-04-28 11:18.35: Got resource from pool OCluster
Building on eumache.caelum.ci.dev
All commits already cached
HEAD is now at 0d8fa4e278 Merge pull request #29808 from dinosaure/release-dmarc-v0.0.2
Updating 0d8fa4e278..fdfb622820
Fast-forward
 packages/caqti-miou/caqti-miou.2.3.1/opam | 36 +++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100644 packages/caqti-miou/caqti-miou.2.3.1/opam

(from ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853)
Unable to find image 'ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853' locally
docker.io/ocaml/opam@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853: Pulling from ocaml/opam
90c02a347c3c: Pulling fs layer
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Digest: sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853
Status: Downloaded newer image for ocaml/opam@sha256:4ada65c68c58ec2b8debb4ae2df79920647f81a4484dfe17d7f2d13872a72853
2026-04-28 11:22.22 ---> saved as "2d02d5e6367e692562c46f6bf306ae59a8b006f7e675e2cd9220d129b0de1240"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-04-28 11:22.23 ---> saved as "466c0c6f8a7d0a64996a191613be57a0b52cfe88ecee03fd1daf07f69cc62e5e"

/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 ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patches
[default] Initialised
2026-04-28 11:22.57 ---> saved as "9a2a8e527648fc958d1904e0c5934fb2d43db6174e4e53e932a56d0f46f26ce5"

/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         2.5.1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=opensuse-leap os-version=15.6
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         2 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.3"}]
# compiler-packages    ocaml-base-compiler.4.14.3, 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       4.14.3
2026-04-28 11:22.58 ---> saved as "b5be13416a461e5c832b4fd8fd7b0933d81d7fba5bc6a10045fe2f1c370a75bf"

/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/"))
2026-04-28 11:23.11 ---> saved as "da477c6d10e167c4be1e60b3abf95198b9f00e5f9c874c1f7d4e8a1b477d70ab"

/home/opam: (copy (src .) (dst opam-repository/))
2026-04-28 11:23.21 ---> saved as "bf9b2b05baa7b8e7f695b5f474b8c6b5e20603de25694a3725479e8f26e504ec"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-04-28 11:23.47 ---> saved as "12c2acc3d87f540afe325cbd00b1a7e0fb84c5ce1c5008d969d04b74ffbbe001"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "zypper" "--non-interactive" "refresh"
- Retrieving repository 'Update repository of openSUSE Backports' metadata [..
- Looking for gpg keys in repository Update repository of openSUSE Backports.
-   gpgkey=http://download.opensuse.org/update/leap/15.6/backports/repodata/repomd.xml.key
- ...
- .....
- ...
- ....
- ....
- ....
- ....
- ...........done]
- Building repository 'Update repository of openSUSE Backports' cache [..
- ..done]
- Repository 'Update repository with updates from SUSE Linux Enterprise 15' is up to date.
- Repository 'Main Update Repository' is up to date.
- Repository 'Update Repository (Non-Oss)' is up to date.
- Repository 'Non-OSS Repository' is up to date.
- Repository 'Main Repository' is up to date.
- All repositories have been refreshed.
2026-04-28 11:23.59 ---> saved as "0f219cb490175e480d10496bd5de467b836495d553cf2884b3f1263ce4e4757d"

/home/opam: (run (shell "opam pin add -k version -yn caqti-miou.2.3.1 2.3.1"))
caqti-miou is now pinned to version 2.3.1
2026-04-28 11:24.00 ---> saved as "e5706ae9a3196d7433f6428f6b7d5251cc4b88a5357964ec5f238fd879960d59"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall caqti-miou.2.3.1;\
                        \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 \"\\\"opensuse-15.6\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'caqti-miou.2.3.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
caqti-miou.2.3.1 is not installed. Install it? [Y/n] y
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.14.3 -> ocaml = 4.14.3
    - caqti-miou >= 2.3.1 -> ocaml >= 5.0.0~
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall caqti-miou.2.3.1;
        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 "\"opensuse-15.6\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'caqti-miou.2.3.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-04-28 11:24.15: Job failed: Failed: Build failed
2026-04-28 11:24.15: Log analysis:
2026-04-28 11:24.15: >>> 
No solution found, exiting
 (score = 100)
2026-04-28 11:24.15: [SKIP] Package not available