(for PR #27360)

2025-11-10 16:55.42: New job: build conf-rocksdb-ge-5-17-2.5.17.2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/27360/head (879cce6341a5b8d26f5989e5001751782571cb8b)
                              on centos-9-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/27360/head" && git reset --hard 879cce63
git fetch origin master
git merge --no-edit b6a264c784afa1e19f7a926fc10d49010ad12be4
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-9-ocaml-5.4@sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn conf-rocksdb-ge-5-17-2.5.17.2 5.17.2
RUN opam reinstall conf-rocksdb-ge-5-17-2.5.17.2; \
    res=$?; \
    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 "\"centos-9\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'conf-rocksdb-ge-5-17-2.5.17.2' && partial_fails="$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 .

2025-11-10 16:55.42: Using cache hint "ocaml/opam:centos-9-ocaml-5.4@sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf-conf-rocksdb-ge-5-17-2.5.17.2-879cce6341a5b8d26f5989e5001751782571cb8b"
2025-11-10 16:55.42: Using OBuilder spec:
((from ocaml/opam:centos-9-ocaml-5.4@sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf)
 (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 conf-rocksdb-ge-5-17-2.5.17.2 5.17.2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall conf-rocksdb-ge-5-17-2.5.17.2;\
             \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 \"\\\"centos-9\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'conf-rocksdb-ge-5-17-2.5.17.2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-10 16:55.42: Waiting for resource in pool OCluster
2025-11-10 21:11.40: Waiting for worker…
2025-11-10 21:15.24: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
HEAD is now at b6a264c784 Merge pull request #28853 from AltGr/catala100
Merge made by the 'ort' strategy.
 .../conf-rocksdb-ge-5-17-2.5.17.2/opam             | 37 ++++++++++++++
 packages/ocaml-rocksdb/ocaml-rocksdb.0.02/opam     | 59 ++++++++++++++++++++++
 2 files changed, 96 insertions(+)
 create mode 100644 packages/conf-rocksdb-ge-5-17-2/conf-rocksdb-ge-5-17-2.5.17.2/opam
 create mode 100644 packages/ocaml-rocksdb/ocaml-rocksdb.0.02/opam

(from ocaml/opam:centos-9-ocaml-5.4@sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf)
Unable to find image 'ocaml/opam:centos-9-ocaml-5.4@sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf' locally
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Digest: sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf
Status: Downloaded newer image for ocaml/opam@sha256:4ff6eaf91a3dc04a84bbe30f720632fd35a391fd7e1ad02090894c030fcdcbdf
2025-11-10 21:15.30 ---> using "eece0ee759113f9447becf3b30dd4249f4d7687d01c11c4512fbc8c86419779f" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-10 21:15.30 ---> using "392c691f5646d6ef70bb47fd2905a73a7700f7ad2037d8c614d97b45549b91b1" 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.

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.

Continue? [Y/n] y
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-11-10 21:15.30 ---> using "371a15af04227da9a433565ef0ac02d0896bf811450f0047612e4f9e1dff7bdc" 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~alpha1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=centos os-version=9
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 71
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       5.4
# invariant            ["ocaml-base-compiler" {>= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2025-11-10 21:15.30 ---> using "cd4807205ddc4da8666819a85a26b0634d63572d3d7b871e275755e9a2e267c9" 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/"))
2025-11-10 21:15.30 ---> using "bf9fa0dc961aebd1fdbdfb7186ef667308f4c39d03be264f475e3aec2364ad1a" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-10 21:16.04 ---> saved as "118102ecc7f74d91232c2b7ec905188b8359445d3d8f61fe4bae95f41dbbcf96"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-10 21:16.26 ---> saved as "28899cd06a472205bfc5ed15d58d0f5d98d2e801f6d59b27c9fe019a4123abb9"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 9 - BaseOS                         69 kB/s |  15 kB     00:00    
- CentOS Stream 9 - AppStream                     135 kB/s |  15 kB     00:00    
- CentOS Stream 9 - CRB                           124 kB/s |  14 kB     00:00    
- CentOS Stream 9 - Extras packages               142 kB/s |  16 kB     00:00    
- Metadata cache created.
2025-11-10 21:16.28 ---> saved as "ddae6a3fae9849c3da6be4f4f4815d37effbd5cce6e9080a5049e7ceab40b860"

/home/opam: (run (shell "opam pin add -k version -yn conf-rocksdb-ge-5-17-2.5.17.2 5.17.2"))
conf-rocksdb-ge-5-17-2 is now pinned to version 5.17.2
2025-11-10 21:16.28 ---> saved as "ec5bcb075dfb08b549da6f54a31d1dc89ada65769520285f3aa94e244339167d"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall conf-rocksdb-ge-5-17-2.5.17.2;\
                        \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 \"\\\"centos-9\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'conf-rocksdb-ge-5-17-2.5.17.2' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
conf-rocksdb-ge-5-17-2.5.17.2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 3 packages
  - install conf-pkg-config        4               [required by conf-rocksdb-ge-5-17-2]
  - install conf-rocksdb           1               [required by conf-rocksdb-ge-5-17-2]
  - install conf-rocksdb-ge-5-17-2 5.17.2 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved conf-rocksdb.1  (cached)
-> installed conf-pkg-config.4
[ERROR] The compilation of conf-rocksdb.1 failed at "cc -lrocksdb main.c".

#=== ERROR while compiling conf-rocksdb.1 =====================================#
# context              2.5.0~alpha1 | linux/x86_64 | ocaml-base-compiler.5.4.0 | file:///home/opam/opam-repository
# path                 ~/.opam/5.4/.opam-switch/build/conf-rocksdb.1
# command              ~/.opam/opam-init/hooks/sandbox.sh build cc -lrocksdb main.c
# exit-code            1
# env-file             ~/.opam/log/conf-rocksdb-7-c2ffde.env
# output-file          ~/.opam/log/conf-rocksdb-7-c2ffde.out
### output ###
# /usr/bin/ld: cannot find -lrocksdb
# collect2: error: ld returned 1 exit status



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build conf-rocksdb 1
+- 
+- The following changes have been performed (the rest was aborted)
| - install conf-pkg-config 4
+- 
# To update the current shell environment, run: eval $(opam env)

The former state can be restored with:
    /usr/bin/opam switch import "/home/opam/.opam/5.4/.opam-switch/backup/state-20251110211630.export"
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
[WARNING] OPAMCONFIRMLEVEL was ignored because CLI 2.0 was requested and it was introduced in 2.1.
opam-repo-ci detected dependencies failing:  conf-rocksdb.1
"/usr/bin/env" "bash" "-c" "opam reinstall conf-rocksdb-ge-5-17-2.5.17.2;
        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 "\"centos-9\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'conf-rocksdb-ge-5-17-2.5.17.2' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2025-11-10 21:16.47: Job failed: Failed: Build failed
2025-11-10 21:16.47: Log analysis:
2025-11-10 21:16.47: >>> 
[ERROR] The compilation of conf-rocksdb.1 failed at "cc -lrocksdb main.c".
 (score = 20)
2025-11-10 21:16.47: >>> 
# collect2: error: ld returned 1 exit status
 (score = 30)
2025-11-10 21:16.47: >>> 
opam-repo-ci detected dependencies failing:  conf-rocksdb.1
 (score = 75)
2025-11-10 21:16.47:  conf-rocksdb.1 failed to build