(for PR #29096)

2025-12-15 02:50.49: New job: build dyn.3.21.0~alpha4, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29096/head (7d6af52f05e2c06c00193b2918193b6994ece701)
                              on centos-10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29096/head" && git reset --hard 7d6af52f
git fetch origin master
git merge --no-edit 2625e9877b44d517ad87b5bf4ff708f3e44b78d8
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn dyn.3.21.0~alpha4 3.21.0~alpha4
RUN opam reinstall dyn.3.21.0~alpha4; \
    res=$?; \
    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 "$pkg" != 'dyn.3.21.0~alpha4' && partial_fails="$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 .

2025-12-15 02:50.49: Using cache hint "ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c-dyn.3.21.0~alpha4-7d6af52f05e2c06c00193b2918193b6994ece701"
2025-12-15 02:50.49: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c)
 (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 dyn.3.21.0~alpha4 3.21.0~alpha4"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall dyn.3.21.0~alpha4;\
             \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 \"$pkg\" != 'dyn.3.21.0~alpha4' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-15 02:50.49: Waiting for resource in pool OCluster
2025-12-15 03:06.50: Waiting for worker…
2025-12-15 03:09.20: Got resource from pool OCluster
Building on clete
All commits already cached
Updating files:  79% (15151/19031)
Updating files:  80% (15225/19031)
Updating files:  81% (15416/19031)
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Updating files:  99% (18841/19031)
Updating files: 100% (19031/19031)
Updating files: 100% (19031/19031), done.
HEAD is now at 2625e9877b Merge pull request #29094 from anmonteiro/patch-9
Updating 2625e9877b..7d6af52f05
Fast-forward
 .../chrome-trace/chrome-trace.3.21.0~alpha4/opam   | 41 ++++++++++++
 .../dune-action-plugin.3.21.0~alpha4/opam          | 54 ++++++++++++++++
 .../dune-build-info.3.21.0~alpha4/opam             | 47 ++++++++++++++
 .../dune-configurator.3.21.0~alpha4/opam           | 51 +++++++++++++++
 packages/dune-glob/dune-glob.3.21.0~alpha4/opam    | 44 +++++++++++++
 .../dune-private-libs.3.21.0~alpha4/opam           | 52 +++++++++++++++
 .../dune-rpc-lwt/dune-rpc-lwt.3.21.0~alpha4/opam   | 43 +++++++++++++
 packages/dune-rpc/dune-rpc.3.21.0~alpha4/opam      | 46 +++++++++++++
 packages/dune-site/dune-site.3.21.0~alpha4/opam    | 39 +++++++++++
 packages/dune/dune.3.21.0~alpha4/opam              | 75 ++++++++++++++++++++++
 packages/dyn/dyn.3.21.0~alpha4/opam                | 42 ++++++++++++
 packages/fs-io/fs-io.3.21.0~alpha4/opam            | 41 ++++++++++++
 packages/ocamlc-loc/ocamlc-loc.3.21.0~alpha4/opam  | 45 +++++++++++++
 packages/ordering/ordering.3.21.0~alpha4/opam      | 40 ++++++++++++
 packages/stdune/stdune.3.21.0~alpha4/opam          | 48 ++++++++++++++
 .../top-closure/top-closure.3.21.0~alpha4/opam     | 40 ++++++++++++
 packages/xdg/xdg.3.21.0~alpha4/opam                | 41 ++++++++++++
 17 files changed, 789 insertions(+)
 create mode 100644 packages/chrome-trace/chrome-trace.3.21.0~alpha4/opam
 create mode 100644 packages/dune-action-plugin/dune-action-plugin.3.21.0~alpha4/opam
 create mode 100644 packages/dune-build-info/dune-build-info.3.21.0~alpha4/opam
 create mode 100644 packages/dune-configurator/dune-configurator.3.21.0~alpha4/opam
 create mode 100644 packages/dune-glob/dune-glob.3.21.0~alpha4/opam
 create mode 100644 packages/dune-private-libs/dune-private-libs.3.21.0~alpha4/opam
 create mode 100644 packages/dune-rpc-lwt/dune-rpc-lwt.3.21.0~alpha4/opam
 create mode 100644 packages/dune-rpc/dune-rpc.3.21.0~alpha4/opam
 create mode 100644 packages/dune-site/dune-site.3.21.0~alpha4/opam
 create mode 100644 packages/dune/dune.3.21.0~alpha4/opam
 create mode 100644 packages/dyn/dyn.3.21.0~alpha4/opam
 create mode 100644 packages/fs-io/fs-io.3.21.0~alpha4/opam
 create mode 100644 packages/ocamlc-loc/ocamlc-loc.3.21.0~alpha4/opam
 create mode 100644 packages/ordering/ordering.3.21.0~alpha4/opam
 create mode 100644 packages/stdune/stdune.3.21.0~alpha4/opam
 create mode 100644 packages/top-closure/top-closure.3.21.0~alpha4/opam
 create mode 100644 packages/xdg/xdg.3.21.0~alpha4/opam

(from ocaml/opam:centos-10-ocaml-4.14@sha256:726ec24ce3cd73a54f9945183ba18ed925ec0ed843ea90cd45634274bbf6e67c)
2025-12-15 03:09.25 ---> using "af5df9e4834830d391d310f1ad73cb3b374fad3e2b8574f9653548b8bcf421b3" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-15 03:09.25 ---> using "c06bb258dbdfea143b8f1f88c291e105f778fdd7ce9635360f15ba04f8d14370" 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
2025-12-15 03:09.25 ---> using "7b177e897b09b43133757096f6640f71201da9f64118283fb263c95b0308b76a" 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=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
2025-12-15 03:09.25 ---> using "9bd5ee6590ac70bb6918bc24e765a280ee20c9e0ad486affc9f75c3174076ffa" 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/"))
2025-12-15 03:09.25 ---> using "78752b6feabe2612f950b6ba117e458f4ad3718ea67ecdbb498dc43383b64ead" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-15 03:09.36 ---> saved as "5202cb7db32c5259933e7ad57620047f49b35cda58d2b53e9e9ad0e30dc9eced"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-15 03:09.58 ---> saved as "cf662750413a5c58199ab2adf3c555ff5750d3d6c7cd5e82daceb78989a15849"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        83 kB/s |  14 kB     00:00    
- CentOS Stream 10 - BaseOS                        12 MB/s | 6.8 MB     00:00    
- CentOS Stream 10 - AppStream                     40 kB/s |  14 kB     00:00    
- CentOS Stream 10 - AppStream                    8.0 MB/s | 3.5 MB     00:00    
- CentOS Stream 10 - CRB                           34 kB/s |  14 kB     00:00    
- CentOS Stream 10 - CRB                          1.5 MB/s | 774 kB     00:00    
- CentOS Stream 10 - Extras packages              190 kB/s |  15 kB     00:00    
- CentOS Stream 10 - Extras packages               86 kB/s | 8.1 kB     00:00    
- Metadata cache created.
2025-12-15 03:10.06 ---> saved as "3227f1fed211745346e0b42398eda62aed5303473a0849b08d2ce0317b4dca4c"

/home/opam: (run (shell "opam pin add -k version -yn dyn.3.21.0~alpha4 3.21.0~alpha4"))
dyn is now pinned to version 3.21.0~alpha4
2025-12-15 03:10.07 ---> saved as "fb265ff5cea4fcb19365523f35a5a89a263f2205cb675d8125bb534f73e5c989"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall dyn.3.21.0~alpha4;\
                        \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 \"$pkg\" != 'dyn.3.21.0~alpha4' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
dyn.3.21.0~alpha4 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 4 packages
  - install dune     3.21.0~alpha4          [required by dyn]
  - install dyn      3.21.0~alpha4 (pinned)
  - install ordering 3.21.0~alpha4          [required by dyn]
  - install pp       2.0.0                  [required by dyn]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.21.0~alpha4, dyn.3.21.0~alpha4, ordering.3.21.0~alpha4  (cached)
-> retrieved pp.2.0.0  (cached)
-> installed dune.3.21.0~alpha4
-> installed pp.2.0.0
-> installed ordering.3.21.0~alpha4
-> installed dyn.3.21.0~alpha4
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-15 03:10.53 ---> saved as "bd6da31bcc7e50b5d4b08928d4224472953f22200f44c12e868a85785f21099e"
Job succeeded
2025-12-15 03:11.05: Job succeeded