(for PR #27915)

2025-05-23 15:23.55: New job: build ocaml-compiler.5.4.0~alpha1, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27915/head (fe74d4a82a3b007f1e757e592b5afa175d7438cd)
                              on debian-12-ocaml-4.14/arm32v7

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27915/head" && git reset --hard fe74d4a8
git fetch origin master
git merge --no-edit d4d1aa63ab7830b868cb8cbd85e076c699d8eb06
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b
SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-compiler.5.4.0~alpha1 5.4.0~alpha1
RUN opam reinstall ocaml-compiler.5.4.0~alpha1; \
    res=$?; \
    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 "$pkg" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails="$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@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b-ocaml-compiler.5.4.0~alpha1-fe74d4a82a3b007f1e757e592b5afa175d7438cd"
2025-05-23 15:23.55: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b)
 (shell /usr/bin/linux32 /bin/sh -c)
 (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-compiler.5.4.0~alpha1 5.4.0~alpha1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml-compiler.5.4.0~alpha1;\
             \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 \"$pkg\" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails=\"$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 15:24.52: Got resource from pool OCluster
Building on okypous.caelum.ci.dev
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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@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b' locally
docker.io/ocaml/opam@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b: Pulling from ocaml/opam
5a64641236c0: Pulling fs layer
5a64641236c0: Verifying Checksum
5a64641236c0: Download complete
5a64641236c0: Pull complete
Digest: sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b
Status: Downloaded newer image for ocaml/opam@sha256:9df74c8c6f53ce83389297048432f019fb17fc96c28f27ca700eb3c2c9e01b3b
WARNING: The requested image's platform (linux/arm/v7) does not match the detected host platform (linux/arm64/v8) and no specific platform was requested
2025-05-23 15:25.00 ---> using "fbe3507ddfb49174807fb3b5ec2c92e2ca5df35a1a8d51ef85d3c3a7b9384458" from cache

/: (shell /usr/bin/linux32 /bin/sh -c)

/: (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 15:25.00 ---> using "9edbae2666f0971f27724779222f87578cbf9f5c891082368a4ac577959d7131" 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 15:25.00 ---> using "066a228710f371f1f0d397c40fd6d1717c7e45288abc7999ba1e6479fc563e90" 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=arm32 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                 79
# 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 15:25.00 ---> using "51ba2541cb875a44a724457de43c24635c4d55ca9356e1d7928fa471e5b222b7" 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 15:25.00 ---> using "2d38bfd0c43ed5d68716a72a555910e7bb22e121be3c2c3ab01c2be1a408c3d1" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-05-23 15:25.04 ---> saved as "52b82db4d24e79575a75603e9bfd6eb0b6daef5a28ff0dedb93ef03769bd11e0"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-05-23 15:25.44 ---> saved as "839490e25a029e8c17ab12b9301f502ab3a5711f298ef95d143c60e3ec339604"

/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 armhf Packages [8508 kB]
- Get:5 http://deb.debian.org/debian-security bookworm-security/main armhf Packages [240 kB]
- Fetched 9003 kB in 1s (6432 kB/s)
- Reading package lists...
- 
2025-05-23 15:25.47 ---> saved as "e557bcd3d70749a880c7ea7c3bf34e7bc23e0f0c0d8d00a2f86f7ea91f292c83"

/home/opam: (run (shell "opam pin add -k version -yn ocaml-compiler.5.4.0~alpha1 5.4.0~alpha1"))
ocaml-compiler is now pinned to version 5.4.0~alpha1
2025-05-23 15:25.48 ---> saved as "570b8f5425d8fde08e42169d9a9c837aa8e7dac6ebb004df6be1c40620557040"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml-compiler.5.4.0~alpha1;\
                        \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 \"$pkg\" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml-compiler.5.4.0~alpha1 is not installed. Install it? [y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - ocaml-compiler = 5.4.0~alpha1 -> ocaml = 5.4.0 -> ocaml-variants < 5.4.1~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - ocaml-compiler = 5.4.0~alpha1 -> ocaml = 5.4.0 -> ocaml-variants < 5.4.1~ -> xenbigarray
    unknown package
  * Missing dependency:
    - ocaml-compiler = 5.4.0~alpha1 -> ocaml = 5.4.0 -> ocaml-variants < 5.4.1~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - ocaml-compiler = 5.4.0~alpha1 -> ocaml = 5.4.0 -> ocaml-variants < 5.4.1~ -> system-msvc
    unmet availability conditions: 'os = "win32"'
  * Missing dependency:
    - ocaml-compiler = 5.4.0~alpha1 -> ocaml = 5.4.0 -> ocaml-variants < 5.4.1~ -> ocaml-compiler (<= 5.3.0~alpha1 | = 5.3.0~beta1 | = 5.3.0~beta2 | = 5.3.0~rc1 | = 5.3.0 | = 5.4)
    not available because the package is pinned to version 5.4.0~alpha1

No solution found, exiting
"/usr/bin/linux32" "/bin/sh" "-c" "opam reinstall ocaml-compiler.5.4.0~alpha1;
        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 "$pkg" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails="$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 15:26.06: Job failed: Failed: Build failed
2025-05-23 15:26.06: Log analysis:
2025-05-23 15:26.06: >>> 
No solution found, exiting
 (score = 100)
2025-05-23 15:26.06: [SKIP] Package not available