(for PR #29117)

2025-12-20 10:17.07: New job: build ocaml-index.5.6.1-504, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29117/head (c3b5c54904ea4308c605e1c3272dbdeb71bfdb08)
                              on debian-13-ocaml-4.14/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29117/head" && git reset --hard c3b5c549
git fetch origin master
git merge --no-edit 55b1099664cdc48c71e3d01d8fdaef4b376ade70
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-index.5.6.1-504 5.6.1-504
RUN opam reinstall ocaml-index.5.6.1-504; \
    res=$?; \
    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-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml-index.5.6.1-504' && partial_fails="$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 .

2025-12-20 10:17.07: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265-ocaml-index.5.6.1-504-c3b5c54904ea4308c605e1c3272dbdeb71bfdb08"
2025-12-20 10:17.07: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265)
 (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 ocaml-index.5.6.1-504 5.6.1-504"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall ocaml-index.5.6.1-504;\
             \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-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml-index.5.6.1-504' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-20 10:17.07: Waiting for resource in pool OCluster
2025-12-20 10:17.08: Waiting for worker…
2025-12-20 10:17.08: Got resource from pool OCluster
Building on okypous.caelum.ci.dev
All commits already cached
Updating files:  86% (16577/19082)
Updating files:  87% (16602/19082)
Updating files:  88% (16793/19082)
Updating files:  89% (16983/19082)
Updating files:  90% (17174/19082)
Updating files:  91% (17365/19082)
Updating files:  92% (17556/19082)
Updating files:  93% (17747/19082)
Updating files:  94% (17938/19082)
Updating files:  95% (18128/19082)
Updating files:  96% (18319/19082)
Updating files:  97% (18510/19082)
Updating files:  98% (18701/19082)
Updating files:  99% (18892/19082)
Updating files: 100% (19082/19082)
Updating files: 100% (19082/19082), done.
HEAD is now at 55b1099664 Merge pull request #29100 from samoht/release-cohttp-v6.2.1
Updating 55b1099664..c3b5c54904
Fast-forward
 .../dot-merlin-reader.5.6.1-504/opam               | 31 +++++++++
 packages/merlin-lib/merlin-lib.5.6.1-504/opam      | 36 ++++++++++
 packages/merlin/merlin.5.6.1-504/opam              | 81 ++++++++++++++++++++++
 packages/ocaml-index/ocaml-index.5.6.1-504/opam    | 42 +++++++++++
 4 files changed, 190 insertions(+)
 create mode 100644 packages/dot-merlin-reader/dot-merlin-reader.5.6.1-504/opam
 create mode 100644 packages/merlin-lib/merlin-lib.5.6.1-504/opam
 create mode 100644 packages/merlin/merlin.5.6.1-504/opam
 create mode 100644 packages/ocaml-index/ocaml-index.5.6.1-504/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265' locally
docker.io/ocaml/opam@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265: Pulling from ocaml/opam
bd3d78019081: Pulling fs layer
bd3d78019081: Verifying Checksum
bd3d78019081: Download complete
bd3d78019081: Pull complete
Digest: sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265
Status: Downloaded newer image for ocaml/opam@sha256:2c31122a438e89eff45d41c6a492ffabe7cacc44a733f0b2695fbc0676375265
2025-12-20 10:17.32 ---> using "c38db2477680a5a6fd226f2c4f7426f8ffaefd0b44e8f0c92e98d36c168d8bdd" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-20 10:17.32 ---> using "4bdd35dec8bc88ef03296e4b998b0b5dd6c4b2f74aaa9b30bf3739d9cb5c0418" 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 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
2025-12-20 10:17.32 ---> using "8059d3865ddb43e5c6a694601e47e2e1651a81b20f71909ffdc7f1e29322ae85" 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         2.5.0
# self-upgrade         no
# system               arch=arm64 os=linux os-distribution=debian os-version=13
# 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
2025-12-20 10:17.32 ---> using "65fa451842ea1b958b654286df8a565fbb0666e3a4735b77674b97b4a6474538" 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/"))
2025-12-20 10:17.32 ---> using "dc835cf2bdd464d9b93002fb9c9b88cba9c3ecdf055beb3d68d14fbb0346aa24" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-20 10:17.40 ---> saved as "4b2a04de31096f3d030ff623a7c2b22d8bd9ca20ceed7e0140d67ac38f4e28b2"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-20 10:18.02 ---> saved as "a0c0150ef455cc58bc8549891b5b39fcf94a9df3ede231dd16c50a73a258dc13"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [87.5 kB]
- Fetched 178 kB in 0s (1015 kB/s)
- Reading package lists...
- 
2025-12-20 10:18.04 ---> saved as "e56afb432c8a43a1701545a3c1aa2f9f0f44db36b1398a785e5425fe5d5952dc"

/home/opam: (run (shell "opam pin add -k version -yn ocaml-index.5.6.1-504 5.6.1-504"))
ocaml-index is now pinned to version 5.6.1-504
2025-12-20 10:18.05 ---> saved as "a3ff761fbabf4169ad83bba68efd622f462f758c9e568cfbd099507902426384"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall ocaml-index.5.6.1-504;\
                        \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-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ocaml-index.5.6.1-504' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
ocaml-index.5.6.1-504 is not installed. Install it? [Y/n] y
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.14.2 -> ocaml = 4.14.2
    - ocaml-index >= 5.6.1-504 -> ocaml >= 5.4
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall ocaml-index.5.6.1-504;
        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-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'ocaml-index.5.6.1-504' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-20 10:18.21: Job failed: Failed: Build failed
2025-12-20 10:18.21: Log analysis:
2025-12-20 10:18.21: >>> 
No solution found, exiting
 (score = 100)
2025-12-20 10:18.21: [SKIP] Package not available