(for PR #28015)

2025-06-11 19:35.00: New job: build z3.4.15.1, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28015/head (eb1839f6536e00144ff383f35c0878f9cb0c30a2)
                              on debian-12-ocaml-5.3/arm32v7

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28015/head" && git reset --hard eb1839f6
git fetch origin master
git merge --no-edit 5d06e882dd4254efed3ed68bbc9e77273e592c83
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn z3.4.15.1 4.15.1
RUN opam reinstall z3.4.15.1; \
    res=$?; \
    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 "\"debian-12\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'z3.4.15.1' && partial_fails="$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 .

2025-06-11 19:35.00: Using cache hint "ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a-z3.4.15.1-eb1839f6536e00144ff383f35c0878f9cb0c30a2"
2025-06-11 19:35.00: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a)
 (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 z3.4.15.1 4.15.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall z3.4.15.1;\
             \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 \"\\\"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 \"$pkg\" != 'z3.4.15.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-06-11 19:35.00: Waiting for resource in pool OCluster
2025-06-11 19:35.01: Waiting for worker…
2025-06-11 19:35.01: Got resource from pool OCluster
Building on kydoime.caelum.ci.dev
HEAD is now at 699d784e8a Merge commit '522d8ede4520e7dbd3cdb839384c7bf4c048db70'
HEAD is now at 5d06e882dd Merge pull request #27999 from mbarbin/conf-hg
Merge made by the 'ort' strategy.
 packages/z3/z3.4.15.1/opam | 68 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 packages/z3/z3.4.15.1/opam

(from ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a)
Unable to find image 'ocaml/opam:debian-12-ocaml-5.3@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a' locally
docker.io/ocaml/opam@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a: Pulling from ocaml/opam
515e683c74c7: Pulling fs layer
515e683c74c7: Download complete
515e683c74c7: Pull complete
Digest: sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
Status: Downloaded newer image for ocaml/opam@sha256:018764e3499a56663f2ea799630e223ac3f2296c3f25c78819939158770b033a
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
2025-06-11 19:35.06 ---> using "7d0f3bbf8e4606467990f0d3260a56f28bc9f918f60084e2a7f3c23aecc7ca63" 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"))
2025-06-11 19:35.06 ---> using "af05bb6077ec2b3d41c7ee2abe4436ac421ace75d57c1788d1aadadfa1dc4300" 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
2025-06-11 19:35.06 ---> using "52fa6d1354a40660532af762c14773e8584e25f177d8a5da4534fc7320e2c5f1" 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       5.3
# invariant            ["ocaml-base-compiler" {= "5.3.0"}]
# compiler-packages    ocaml-base-compiler.5.3.0, ocaml-compiler.5.3.0, ocaml-option-bytecode-only.1, ocaml-options-vanilla.1
# ocaml:native         false
# ocaml:native-tools   false
# ocaml:native-dynlink false
# ocaml:stubsdir       /home/opam/.opam/5.3/lib/ocaml/stublibs:/home/opam/.opam/5.3/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.3.0+bytecode-only
2025-06-11 19:35.06 ---> using "ab4f883dc6d63137c5a852c37d2938456bccaef6a60a92b5f4a6569b241ec100" 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/"))
2025-06-11 19:35.06 ---> using "edc948549401d8af6ef26966fb700ad2d60c5bb18461d1228aa1cb1f98c32033" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-06-11 19:35.13 ---> saved as "0771ed9eb80098f166c78d387e451e42351e82221075c05117f36d83d10af765"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-06-11 19:35.48 ---> saved as "7232cd6f9665f8bfa89f123165931a19b03fde14d99ad7ff43e112321cf649c4"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian bookworm InRelease
- 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-security bookworm-security/main armhf Packages [247 kB]
- Fetched 350 kB in 0s (762 kB/s)
- Reading package lists...
- 
2025-06-11 19:35.50 ---> saved as "c05b90b1a10f998b97cb9dfb6b0b04aeb7e29e3c87647b16ff3055f321498888"

/home/opam: (run (shell "opam pin add -k version -yn z3.4.15.1 4.15.1"))
z3 is now pinned to version 4.15.1
2025-06-11 19:35.50 ---> saved as "4d26dddc4991955289906b3b5665545b56b3c1b24c472b8e2c504e9730f481e2"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall z3.4.15.1;\
                        \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 \"\\\"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 \"$pkg\" != 'z3.4.15.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
z3.4.15.1 is not installed. Install it? [y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 5.3.0 -> ocaml-compiler = 5.3.0 -> ocaml-option-bytecode-only
    - z3 >= 4.15.1
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
"/usr/bin/linux32" "/bin/sh" "-c" "opam reinstall z3.4.15.1;
        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 "\"debian-12\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'z3.4.15.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-06-11 19:36.02: Job failed: Failed: Build failed
2025-06-11 19:36.02: Log analysis:
2025-06-11 19:36.02: >>> 
No solution found, exiting
 (score = 100)
2025-06-11 19:36.02: [SKIP] Package not available