(not at the head of any monitored branch or PR)
2025-12-08 18:29.21: New job: build dyn.3.21.0~alpha2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29042/head (a9b8a0d0db631d21208bd4ab7355e867d7ecf88d)
                              on centos-9-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29042/head" && git reset --hard a9b8a0d0
git fetch origin master
git merge --no-edit 4c9d80b7312698c8f185350873cbec03fdf0471a
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn dyn.3.21.0~alpha2 3.21.0~alpha2
RUN opam reinstall dyn.3.21.0~alpha2; \
    res=$?; \
    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 "$pkg" != 'dyn.3.21.0~alpha2' && partial_fails="$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 .

2025-12-08 18:29.21: Using cache hint "ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a-dyn.3.21.0~alpha2-a9b8a0d0db631d21208bd4ab7355e867d7ecf88d"
2025-12-08 18:29.21: Using OBuilder spec:
((from ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a)
 (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~alpha2 3.21.0~alpha2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall dyn.3.21.0~alpha2;\
             \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 \"$pkg\" != 'dyn.3.21.0~alpha2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-08 18:29.21: Waiting for resource in pool OCluster
2025-12-08 21:06.34: Waiting for worker…
2025-12-08 21:11.17: Got resource from pool OCluster
Building on clete
All commits already cached
Updating files:  90% (17241/19002)
Updating files:  91% (17292/19002)
Updating files:  92% (17482/19002)
Updating files:  93% (17672/19002)
Updating files:  94% (17862/19002)
Updating files:  95% (18052/19002)
Updating files:  96% (18242/19002)
Updating files:  97% (18432/19002)
Updating files:  98% (18622/19002)
Updating files:  99% (18812/19002)
Updating files: 100% (19002/19002)
Updating files: 100% (19002/19002), done.
HEAD is now at 4c9d80b731 Merge pull request #29031 from NielsMommen/release-ppx_parser-0.2.1
Updating 4c9d80b731..a9b8a0d0db
Fast-forward
 .../chrome-trace/chrome-trace.3.21.0~alpha2/opam   | 41 ++++++++++++
 .../dune-action-plugin.3.21.0~alpha2/opam          | 54 ++++++++++++++++
 .../dune-build-info.3.21.0~alpha2/opam             | 47 ++++++++++++++
 .../dune-configurator.3.21.0~alpha2/opam           | 51 +++++++++++++++
 packages/dune-glob/dune-glob.3.21.0~alpha2/opam    | 44 +++++++++++++
 .../dune-private-libs.3.21.0~alpha2/opam           | 52 +++++++++++++++
 .../dune-rpc-lwt/dune-rpc-lwt.3.21.0~alpha2/opam   | 43 +++++++++++++
 packages/dune-rpc/dune-rpc.3.21.0~alpha2/opam      | 46 +++++++++++++
 packages/dune-site/dune-site.3.21.0~alpha2/opam    | 39 +++++++++++
 packages/dune/dune.3.21.0~alpha2/opam              | 75 ++++++++++++++++++++++
 packages/dyn/dyn.3.21.0~alpha2/opam                | 42 ++++++++++++
 packages/fs-io/fs-io.3.21.0~alpha2/opam            | 40 ++++++++++++
 packages/ocamlc-loc/ocamlc-loc.3.21.0~alpha2/opam  | 45 +++++++++++++
 packages/ordering/ordering.3.21.0~alpha2/opam      | 40 ++++++++++++
 packages/stdune/stdune.3.21.0~alpha2/opam          | 48 ++++++++++++++
 .../top-closure/top-closure.3.21.0~alpha2/opam     | 39 +++++++++++
 packages/xdg/xdg.3.21.0~alpha2/opam                | 41 ++++++++++++
 17 files changed, 787 insertions(+)
 create mode 100644 packages/chrome-trace/chrome-trace.3.21.0~alpha2/opam
 create mode 100644 packages/dune-action-plugin/dune-action-plugin.3.21.0~alpha2/opam
 create mode 100644 packages/dune-build-info/dune-build-info.3.21.0~alpha2/opam
 create mode 100644 packages/dune-configurator/dune-configurator.3.21.0~alpha2/opam
 create mode 100644 packages/dune-glob/dune-glob.3.21.0~alpha2/opam
 create mode 100644 packages/dune-private-libs/dune-private-libs.3.21.0~alpha2/opam
 create mode 100644 packages/dune-rpc-lwt/dune-rpc-lwt.3.21.0~alpha2/opam
 create mode 100644 packages/dune-rpc/dune-rpc.3.21.0~alpha2/opam
 create mode 100644 packages/dune-site/dune-site.3.21.0~alpha2/opam
 create mode 100644 packages/dune/dune.3.21.0~alpha2/opam
 create mode 100644 packages/dyn/dyn.3.21.0~alpha2/opam
 create mode 100644 packages/fs-io/fs-io.3.21.0~alpha2/opam
 create mode 100644 packages/ocamlc-loc/ocamlc-loc.3.21.0~alpha2/opam
 create mode 100644 packages/ordering/ordering.3.21.0~alpha2/opam
 create mode 100644 packages/stdune/stdune.3.21.0~alpha2/opam
 create mode 100644 packages/top-closure/top-closure.3.21.0~alpha2/opam
 create mode 100644 packages/xdg/xdg.3.21.0~alpha2/opam

(from ocaml/opam:centos-9-ocaml-4.14@sha256:898262eb521297ee7d57084b45ecc3fc65ff90682bef0b1967ac81d1da89205a)
2025-12-08 21:11.22 ---> saved as "cf3bdf7c6ccde7aeabb7602259f2983b0c7cc4f9b92c3b9af7bf1c01a6847bc1"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-08 21:11.23 ---> saved as "eb97dd04abfa1ca410aa859e8a619eb8a51c1d2277a7e9c8bc88e675aa5b2b1b"

/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
2025-12-08 21:11.52 ---> saved as "bc43f3531d385ba210a1f24d750ee80c2b42d6a9cda0c475a702a0ef0033ce09"

/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=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       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
2025-12-08 21:11.53 ---> saved as "d7ae60ffc43fb71d5e5db30e94ba2b45b91f7b9db334b62a2165237dbf15eb69"

/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/"))
2025-12-08 21:12.12 ---> saved as "178531758814efeeacb9764cc51ae2d6f73707474387bd488cabb843f0b36459"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-08 21:12.19 ---> saved as "903d68c053bf35c463d87242c982de033116e2f266efa4046a6aabe94509ce41"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-08 21:12.39 ---> saved as "ddfb413aad616087e07ab8d5c8d57d2e02afc2c67c1f90a4c57ea3dbb545d942"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 9 - BaseOS                         28 kB/s |  15 kB     00:00    
- CentOS Stream 9 - BaseOS                        9.1 MB/s | 8.8 MB     00:00    
- CentOS Stream 9 - AppStream                      39 kB/s |  15 kB     00:00    
- CentOS Stream 9 - AppStream                      11 MB/s |  26 MB     00:02    
- CentOS Stream 9 - CRB                           166 kB/s |  14 kB     00:00    
- CentOS Stream 9 - CRB                            14 MB/s | 7.4 MB     00:00    
- CentOS Stream 9 - Extras packages                40 kB/s |  17 kB     00:00    
- Metadata cache created.
2025-12-08 21:12.57 ---> saved as "6896c4581e058a1b9c7c6586380fe0ba0e4821e08c322c2182b8d0df5aa448fd"

/home/opam: (run (shell "opam pin add -k version -yn dyn.3.21.0~alpha2 3.21.0~alpha2"))
dyn is now pinned to version 3.21.0~alpha2
2025-12-08 21:12.58 ---> saved as "78de19bdbc9bd5e13c2d6cc5e3a8b9e398107a813cb8a0ddaf816a9c50460cca"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall dyn.3.21.0~alpha2;\
                        \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 \"$pkg\" != 'dyn.3.21.0~alpha2' && partial_fails=\"$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~alpha2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 4 packages
  - install dune     3.21.0~alpha2          [required by dyn]
  - install dyn      3.21.0~alpha2 (pinned)
  - install ordering 3.21.0~alpha2          [required by dyn]
  - install pp       2.0.0                  [required by dyn]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.21.0~alpha2, dyn.3.21.0~alpha2, ordering.3.21.0~alpha2  (cached)
-> retrieved pp.2.0.0  (cached)
-> installed dune.3.21.0~alpha2
-> installed pp.2.0.0
-> installed ordering.3.21.0~alpha2
-> installed dyn.3.21.0~alpha2
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-08 21:13.43 ---> saved as "44bf7b8debcee1b1c2ad9f4e32514df7df067482573992d10c5adc9a752f4886"
Job succeeded
2025-12-08 21:13.51: Job succeeded