(for PR #29566)

2026-03-20 14:10.45: New job: build gendarme-csv.0.4.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29566/head (e61292316e671dff4d23c1c4ff6c8357b7b78765)
                              on centos-10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29566/head" && git reset --hard e6129231
git fetch origin master
git merge --no-edit 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:344cad2a3d31f78467aa977c70934f36928ff9a2234851a762e69bbf90a4e9dc
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn gendarme-csv.0.4.1 0.4.1
RUN opam reinstall gendarme-csv.0.4.1; \
    res=$?; \
    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 "\"centos-10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'gendarme-csv.0.4.1' && partial_fails="$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 .

2026-03-20 14:10.45: Using cache hint "ocaml/opam:centos-10-ocaml-4.14@sha256:344cad2a3d31f78467aa977c70934f36928ff9a2234851a762e69bbf90a4e9dc-gendarme-csv.0.4.1-e61292316e671dff4d23c1c4ff6c8357b7b78765"
2026-03-20 14:10.45: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:344cad2a3d31f78467aa977c70934f36928ff9a2234851a762e69bbf90a4e9dc)
 (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 gendarme-csv.0.4.1 0.4.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall gendarme-csv.0.4.1;\
             \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 \"\\\"centos-10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'gendarme-csv.0.4.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-20 14:10.45: Waiting for resource in pool OCluster
2026-03-20 14:14.22: Waiting for worker…
2026-03-20 14:16.09: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
HEAD is now at 9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0
Updating 9f189ca4f9..e61292316e
Fast-forward
 packages/gendarme-csv/gendarme-csv.0.4.1/opam      | 38 ++++++++++++++++++
 .../gendarme-ezjsonm/gendarme-ezjsonm.0.4.1/opam   | 40 +++++++++++++++++++
 packages/gendarme-json/gendarme-json.0.4.1/opam    | 21 ++++++++++
 packages/gendarme-toml/gendarme-toml.0.4.1/opam    | 38 ++++++++++++++++++
 packages/gendarme-yaml/gendarme-yaml.0.4.1/opam    | 38 ++++++++++++++++++
 .../gendarme-yojson/gendarme-yojson.0.4.1/opam     | 39 ++++++++++++++++++
 packages/gendarme/gendarme.0.4.1/opam              | 37 +++++++++++++++++
 packages/ppx_marshal/ppx_marshal.0.4.1/opam        | 46 ++++++++++++++++++++++
 .../ppx_marshal_ext/ppx_marshal_ext.0.4.1/opam     | 40 +++++++++++++++++++
 9 files changed, 337 insertions(+)
 create mode 100644 packages/gendarme-csv/gendarme-csv.0.4.1/opam
 create mode 100644 packages/gendarme-ezjsonm/gendarme-ezjsonm.0.4.1/opam
 create mode 100644 packages/gendarme-json/gendarme-json.0.4.1/opam
 create mode 100644 packages/gendarme-toml/gendarme-toml.0.4.1/opam
 create mode 100644 packages/gendarme-yaml/gendarme-yaml.0.4.1/opam
 create mode 100644 packages/gendarme-yojson/gendarme-yojson.0.4.1/opam
 create mode 100644 packages/gendarme/gendarme.0.4.1/opam
 create mode 100644 packages/ppx_marshal/ppx_marshal.0.4.1/opam
 create mode 100644 packages/ppx_marshal_ext/ppx_marshal_ext.0.4.1/opam

(from ocaml/opam:centos-10-ocaml-4.14@sha256:344cad2a3d31f78467aa977c70934f36928ff9a2234851a762e69bbf90a4e9dc)
2026-03-20 14:16.27 ---> saved as "37521b5c03955f8808e6c6c22d9be27f9f3326040892d860e26c813fc42a37bb"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-20 14:16.27 ---> saved as "e4e116ed43bd53dba7e8e18779eb85b77a77668fd4bb2e498c862775c63aaeb0"

/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
2026-03-20 14:16.51 ---> saved as "aba7c66943745ad09f22176c780bf41dabb1ab1f7d7a131e8c220a9020497e98"

/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=x86_64 os=linux os-distribution=centos os-version=10
# 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       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
2026-03-20 14:16.52 ---> saved as "c8c763cd6b2784fb7dc3d25e7953d5d886ed8298350b1e9d6081b589379c49b7"

/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/"))
2026-03-20 14:16.59 ---> saved as "38e5af0e991adbc4a6a5ede52938c10e851aeae347ee4423ec5e0c72c9918947"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-20 14:17.10 ---> saved as "43f1a3f7d3d9ea456a13d2aa254f72686e6d0d6f0aefed63cdd46e2965469350"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-20 14:17.32 ---> saved as "f26758a8378b253fe27439c847a254a5ede68154512ab87690f7520d8eb084e3"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                       114 kB/s |  15 kB     00:00    
- CentOS Stream 10 - BaseOS                        10 MB/s | 6.9 MB     00:00    
- CentOS Stream 10 - AppStream                    122 kB/s |  16 kB     00:00    
- CentOS Stream 10 - AppStream                    8.7 MB/s | 3.6 MB     00:00    
- CentOS Stream 10 - CRB                          116 kB/s |  15 kB     00:00    
- CentOS Stream 10 - CRB                          3.5 MB/s | 831 kB     00:00    
- CentOS Stream 10 - Extras packages              127 kB/s |  17 kB     00:00    
- Metadata cache created.
2026-03-20 14:17.38 ---> saved as "f7dcdc31291d02d690e5ac33f3a62786cbd7498d296582be5badc1015ad496cb"

/home/opam: (run (shell "opam pin add -k version -yn gendarme-csv.0.4.1 0.4.1"))
gendarme-csv is now pinned to version 0.4.1
2026-03-20 14:17.39 ---> saved as "beaaba1d7f9069e67aed016756220c5b4fc31e8978740aa3357e1e328d958ce1"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall gendarme-csv.0.4.1;\
                        \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 \"\\\"centos-10\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'gendarme-csv.0.4.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
gendarme-csv.0.4.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 12 packages
  - install base-bytes          base           [required by csv]
  - install csv                 2.4            [required by gendarme-csv]
  - install dune                3.21.1         [required by gendarme-csv]
  - install gendarme            0.4.1          [required by ppx_marshal_ext]
  - install gendarme-csv        0.4.1 (pinned)
  - install ocaml-compiler-libs v0.12.4        [required by ppxlib]
  - install ocamlfind           1.9.8          [required by base-bytes]
  - install ppx_derivers        1.2.1          [required by ppxlib]
  - install ppx_marshal_ext     0.4.1          [required by gendarme-csv]
  - install ppxlib              0.37.0         [required by ppx_marshal_ext]
  - install sexplib0            v0.17.0        [required by ppxlib]
  - install stdlib-shims        0.3.0          [required by ppxlib]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved csv.2.4  (cached)
-> retrieved dune.3.21.1  (cached)
-> retrieved gendarme.0.4.1, gendarme-csv.0.4.1, ppx_marshal_ext.0.4.1  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppxlib.0.37.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed dune.3.21.1
-> installed ppx_derivers.1.2.1
[ERROR] The compilation of gendarme.0.4.1 failed at "dune build -p gendarme -j 71 @install".
-> installed stdlib-shims.0.3.0
-> installed sexplib0.v0.17.0
-> installed csv.2.4
-> installed ocaml-compiler-libs.v0.12.4
-> installed ppxlib.0.37.0

#=== ERROR while compiling gendarme.0.4.1 =====================================#
# context              2.5.0 | linux/x86_64 | ocaml-base-compiler.4.14.2 | file:///home/opam/opam-repository
# path                 ~/.opam/4.14/.opam-switch/build/gendarme.0.4.1
# command              ~/.opam/opam-init/hooks/sandbox.sh build dune build -p gendarme -j 71 @install
# exit-code            1
# env-file             ~/.opam/log/gendarme-7-d8902e.env
# output-file          ~/.opam/log/gendarme-7-d8902e.out
### output ###
# File "ppx/dune", line 17, characters 16-33:
# 17 |  (enabled_if (< %{version:ppxlib} 0.36))
#                      ^^^^^^^^^^^^^^^^^
# Error: Package "ppxlib" doesn't exist in the current project and isn't
# installed either.
# File "ppx/dune", line 25, characters 17-34:
# 25 |  (enabled_if (>= %{version:ppxlib} 0.36))
#                       ^^^^^^^^^^^^^^^^^
# Error: Package "ppxlib" doesn't exist in the current project and isn't
# installed either.



<><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
+- The following actions failed
| - build gendarme 0.4.1
+- 
+- The following changes have been performed (the rest was aborted)
| - install base-bytes          base
| - install csv                 2.4
| - install dune                3.21.1
| - install ocaml-compiler-libs v0.12.4
| - install ocamlfind           1.9.8
| - install ppx_derivers        1.2.1
| - install ppxlib              0.37.0
| - install sexplib0            v0.17.0
| - install stdlib-shims        0.3.0
+- 
# 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/4.14/.opam-switch/backup/state-20260320141740.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:  gendarme.0.4.1
"/usr/bin/env" "bash" "-c" "opam reinstall gendarme-csv.0.4.1;
        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 "\"centos-10\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'gendarme-csv.0.4.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 1
2026-03-20 14:18.42: Job failed: Failed: Build failed
2026-03-20 14:18.42: Log analysis:
2026-03-20 14:18.42: >>> 
[ERROR] The compilation of gendarme.0.4.1 failed at "dune build -p gendarme -j 71 @install".
 (score = 20)
2026-03-20 14:18.42: >>> 
# Error: Package "ppxlib" doesn't exist in the current project and isn't
 (score = 48)
2026-03-20 14:18.42: >>> 
# Error: Package "ppxlib" doesn't exist in the current project and isn't
 (score = 48)
2026-03-20 14:18.42: >>> 
opam-repo-ci detected dependencies failing:  gendarme.0.4.1
 (score = 75)
2026-03-20 14:18.42:  gendarme.0.4.1 failed to build