(for PR #27814)

2025-04-24 14:19.29: New job: build core_unix.v0.17.1, using opam 2.3
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27814/head (ff55db326db9c2958d536c00557c75e835658f3e)
                              on debian-12-ocaml-4.14-afl/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27814/head" && git reset --hard ff55db32
git fetch origin master
git merge --no-edit 8106bcf57fc33218275bbf0d02e725f4e9fcd0f6
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-12-ocaml-4.14-afl@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn core_unix.v0.17.1 v0.17.1
RUN opam reinstall core_unix.v0.17.1; \
    res=$?; \
    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 "$pkg" != 'core_unix.v0.17.1' && partial_fails="$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 .

2025-04-24 14:19.29: Using cache hint "ocaml/opam:debian-12-ocaml-4.14-afl@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c-core_unix.v0.17.1-ff55db326db9c2958d536c00557c75e835658f3e"
2025-04-24 14:19.29: Using OBuilder spec:
((from ocaml/opam:debian-12-ocaml-4.14-afl@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c)
 (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 core_unix.v0.17.1 v0.17.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall core_unix.v0.17.1;\
             \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 \"$pkg\" != 'core_unix.v0.17.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-04-24 14:19.29: Waiting for resource in pool OCluster
2025-04-24 14:19.29: Waiting for worker…
2025-04-24 14:19.29: Got resource from pool OCluster
Building on x86-bm-c2.sw.ocaml.org
All commits already cached
HEAD is now at 8106bcf57f Merge pull request #27808 from Octachron/Ocaml_5.4.0_branching
Updating 8106bcf57f..ff55db326d
Fast-forward
 packages/core_unix/core_unix.v0.17.1/opam | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(from ocaml/opam:debian-12-ocaml-4.14-afl@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c)
Unable to find image 'ocaml/opam:debian-12-ocaml-4.14-afl@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c' locally
docker.io/ocaml/opam@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c: Pulling from ocaml/opam
8066ae980674: Pulling fs layer
8066ae980674: Verifying Checksum
8066ae980674: Download complete
8066ae980674: Pull complete
Digest: sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c
Status: Downloaded newer image for ocaml/opam@sha256:2db4641e884d970dee0fab5f56cfbc2f5b6f0dd7414a5cb9c7d9059da0efd29c
2025-04-24 14:22.00 ---> saved as "a6782b4ed48ae9b633bb98fa7debd7e863b356b2a867dbe9069b361597f43701"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-2.3 /usr/bin/opam"))
2025-04-24 14:22.00 ---> saved as "03088c68855d5a11d3daa08cf056f4849dfd982fa9e0c08aa8df1edb872b5921"

/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
2025-04-24 14:22.41 ---> saved as "d93277e55c4d6d87149ccf7db03cdca7cc0f5a4a435a51dd5f7fa9b364a0b597"

/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=12
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 39
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# invariant            ["ocaml-options-only-afl"]
# compiler-packages    ocaml-option-afl.1, ocaml-options-only-afl.1, ocaml-variants.4.14.2+options
# 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+options+afl
2025-04-24 14:22.42 ---> saved as "bb8a56ef9eec994fbf9440fbfbfdbc4f041f7e64c30e56f263b505f7985d0050"

/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/"))
2025-04-24 14:22.50 ---> saved as "69364c9ce58acb77c78ec8edf9b489c3cd997c1ad1c5acc9426535b35fcbd5da"

/home/opam: (copy (src .) (dst opam-repository/))
2025-04-24 14:23.01 ---> saved as "f9f1befe7df24c4ba17f6889a24c8a0c289ca7c75b92fe3e1095a56d829610d0"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-04-24 14:23.29 ---> saved as "276f8d01f6f14dea2c25a150d0fd8b077f244f165411805fc2761fd411e946aa"

/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 amd64 Packages [260 kB]
- Fetched 363 kB in 0s (1084 kB/s)
- Reading package lists...
- 
2025-04-24 14:23.30 ---> saved as "1fda5616521e09e3869fd395b7c09fffcfefdb5114e24cd4a3978c51320a612e"

/home/opam: (run (shell "opam pin add -k version -yn core_unix.v0.17.1 v0.17.1"))
core_unix is now pinned to version v0.17.1
2025-04-24 14:23.31 ---> saved as "c4fc018f778fc1891861e417d0f10d900202127652dc2388209fa8b82087cb3d"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall core_unix.v0.17.1;\
                        \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 \"$pkg\" != 'core_unix.v0.17.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
core_unix.v0.17.1 is not installed. Install it? [y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-options-only-afl -> ocaml-option-afl
    - core_unix >= v0.17.1 -> ocaml >= 5.1.0 -> ocaml-base-compiler >= 5.1.0~ -> ocaml-options-vanilla
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - core_unix >= v0.17.1 -> ocaml >= 5.1.0 -> dkml-base-compiler >= 5.3.1~ | ocaml-base-compiler >= 5.3.1~ | ocaml-system >= 5.3.1~ | ocaml-variants >= 5.3.1~
    no matching version
    no matching version
    no matching version
    not available because the package is pinned to version 4.14.2+options

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall core_unix.v0.17.1;
        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 "$pkg" != 'core_unix.v0.17.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-04-24 14:23.49: Job failed: Failed: Build failed
2025-04-24 14:23.49: Log analysis:
2025-04-24 14:23.49: >>> 
No solution found, exiting
 (score = 100)
2025-04-24 14:23.49: [SKIP] Package not available