(for PR #27915)

2025-05-23 15:23.55: New job: build ocaml.5.4.0, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27915/head (fe74d4a82a3b007f1e757e592b5afa175d7438cd)
                              on debian-12-ocaml-4.14/s390x

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27915/head" && git reset --hard fe74d4a8
git fetch origin master
git merge --no-edit d4d1aa63ab7830b868cb8cbd85e076c699d8eb06
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml.5.4.0 5.4.0
RUN opam reinstall ocaml.5.4.0; \
    res=$?; \
    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-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml.5.4.0' && partial_fails="$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 .

2025-05-23 15:23.55: Using cache hint "ocaml/opam:debian-12-ocaml-4.14@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c-ocaml.5.4.0-fe74d4a82a3b007f1e757e592b5afa175d7438cd"
2025-05-23 15:23.55: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c)
 (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 ocaml.5.4.0 5.4.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml.5.4.0;\
             \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-12\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml.5.4.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-05-23 15:23.55: Waiting for resource in pool OCluster
2025-05-23 15:23.56: Waiting for worker…
2025-05-23 15:54.25: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
All commits already cached
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Updating files: 100% (23089/23089), done.
HEAD is now at d4d1aa63ab Merge pull request #27896 from aqjune/hol
Updating d4d1aa63ab..fe74d4a82a
Fast-forward
 .../ocaml-base-compiler.5.4.0~alpha1/opam          |  29 +++++
 .../ocaml-compiler.5.4.0~alpha1/opam               | 127 +++++++++++++++++++++
 .../ocaml-variants.5.4.0~alpha1+options/opam       |  26 +++++
 packages/ocaml/ocaml.5.4.0/opam                    |  30 ++---
 4 files changed, 199 insertions(+), 13 deletions(-)
 create mode 100644 packages/ocaml-base-compiler/ocaml-base-compiler.5.4.0~alpha1/opam
 create mode 100644 packages/ocaml-compiler/ocaml-compiler.5.4.0~alpha1/opam
 create mode 100644 packages/ocaml-variants/ocaml-variants.5.4.0~alpha1+options/opam

(from ocaml/opam:debian-12-ocaml-4.14@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c' locally
docker.io/ocaml/opam@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c: Pulling from ocaml/opam
a5e7ec27bb28: Already exists
1a0a5e1ae837: Already exists
af5cbbca5a95: Already exists
e38b34443d5d: Already exists
6e118d4646e7: Already exists
772a298ca0a2: Already exists
3d4175a24c80: Already exists
934849f2d033: Already exists
53a641444425: Already exists
15d735fb1af2: Already exists
bec537f5413b: Already exists
d9da8ae6a8ab: Already exists
9e2bba1421b6: Already exists
73dff342593d: Already exists
cffcef3786c1: Already exists
1f29ff394d17: Already exists
290ee4e4e08b: Already exists
6c6c913d6376: Already exists
08dd7cf10b89: Already exists
a23c090c6420: Already exists
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2730820e2971: Already exists
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5de21fc49d0e: Already exists
ea4c40d04363: Already exists
308356ae1ebf: Already exists
aa560d2e1541: Already exists
f7b4bb836469: Already exists
9d7ef2ee0716: Already exists
ab70bd6b0f1d: Already exists
588bc858f107: Already exists
43a4fc81c76e: Already exists
7f8048c7e6ce: Already exists
fddea7f6c454: Already exists
5e5429890309: Already exists
d6d0411a6918: Pulling fs layer
17f147029e45: Pulling fs layer
6dd39dd1fcba: Pulling fs layer
a3aaa61ab204: Pulling fs layer
a3aaa61ab204: Waiting
17f147029e45: Verifying Checksum
17f147029e45: Download complete
6dd39dd1fcba: Verifying Checksum
6dd39dd1fcba: Download complete
a3aaa61ab204: Verifying Checksum
a3aaa61ab204: Download complete
d6d0411a6918: Verifying Checksum
d6d0411a6918: Download complete
d6d0411a6918: Pull complete
17f147029e45: Pull complete
6dd39dd1fcba: Pull complete
a3aaa61ab204: Pull complete
Digest: sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c
Status: Downloaded newer image for ocaml/opam@sha256:1ffce482488eac184a17cb8a69cee2f0dcf6dfa28ee08dd73f421c4957253c0c
2025-05-23 15:54.30 ---> using "f04b843bee7ae47bda153d751ae56ee0b5ce5385704bf12473d4734c6c587952" 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"))
2025-05-23 15:54.30 ---> using "ffc93b7ee78ff891e05e67be8a5f3d759f076d580464805e547ee62e4d7b1c04" 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.

Continue? [y/n] y
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.

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-05-23 15:54.30 ---> using "a39dbfad3d87f9c3e083ad1cf351aba39b59713ea7371723c7b37cf2c1bd3024" 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=s390x os=linux os-distribution=debian os-version=12
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 3
# 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
2025-05-23 15:54.30 ---> using "93424b9e35edf48f0ebef6363e07da69704c58fdfadd9a86023ec6e76de79e6d" 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/"))
2025-05-23 15:54.30 ---> using "94a39bf0749070b1411772330bbb3b555c6933be7c7eb9fc626c8c2fbd88abd0" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-23 15:54.31 ---> using "f51e1c37d2f8c85ac2b8297ee4c1bece6550de3ac43dae7a3e9e5b0635028070" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-23 15:54.31 ---> using "b035aa38b19a687b2d4b55d22f985af09942e7cc3b7e36fc472d636ba8850ac1" from cache

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB]
- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]
- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]
- Get:4 http://deb.debian.org/debian bookworm/main s390x Packages [8458 kB]
- Get:5 http://deb.debian.org/debian-security bookworm-security/main s390x Packages [228 kB]
- Fetched 8940 kB in 2s (5102 kB/s)
- Reading package lists...
2025-05-23 15:54.31 ---> using "22541cf6b7d65ac90df1c7032cb52bc2ba6107b7c594e68e03ad68079bed884c" from cache

/home/opam: (run (shell "opam pin add -k version -yn ocaml.5.4.0 5.4.0"))
ocaml is now pinned to version 5.4.0
2025-05-23 15:55.11 ---> saved as "5afafd6b1fc479ac5210ced766a3bee62273e103517bb07e636086231590eff8"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml.5.4.0;\
                        \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-12\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ocaml.5.4.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml.5.4.0 is not installed. Install it? [y/n] y
  * Missing dependency:
    - (invariant) -> ocaml-base-compiler = 4.14.2 -> ocaml = 4.14.2 -> ocaml.4.14.2: no longer available

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall ocaml.5.4.0;
        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-12\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'ocaml.5.4.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-05-23 15:56.11: Job failed: Failed: Build failed
2025-05-23 15:56.11: Log analysis:
2025-05-23 15:56.11: >>> 
No solution found, exiting
 (score = 100)
2025-05-23 15:56.11: [SKIP] Package not available