(not at the head of any monitored branch or PR)
2025-12-04 13:34.03: New job: build lwt_ppx.6.0.0-beta01, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28894/head (547bbce588bc6d9231ad2bd9c8b2b3930b2d061a)
                              on centos-10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28894/head" && git reset --hard 547bbce5
git fetch origin master
git merge --no-edit 3e41859015888fe8240e84dfc5f31bfa12a557e8
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:67aa4894b0ceb1fee3e090e92071b4ae72ebdc268986884065507832415daee1
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_ppx.6.0.0-beta01 6.0.0-beta01
RUN opam reinstall lwt_ppx.6.0.0-beta01; \
    res=$?; \
    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 "$pkg" != 'lwt_ppx.6.0.0-beta01' && partial_fails="$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 .

2025-12-04 13:34.03: Using cache hint "ocaml/opam:centos-10-ocaml-4.14@sha256:67aa4894b0ceb1fee3e090e92071b4ae72ebdc268986884065507832415daee1-lwt_ppx.6.0.0-beta01-547bbce588bc6d9231ad2bd9c8b2b3930b2d061a"
2025-12-04 13:34.03: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:67aa4894b0ceb1fee3e090e92071b4ae72ebdc268986884065507832415daee1)
 (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 lwt_ppx.6.0.0-beta01 6.0.0-beta01"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt_ppx.6.0.0-beta01;\
             \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 \"$pkg\" != 'lwt_ppx.6.0.0-beta01' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-04 13:34.03: Waiting for resource in pool OCluster
2025-12-04 14:00.43: Waiting for worker…
2025-12-04 14:02.45: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
All commits already cached
Updating files:  91% (17352/18983)
Updating files:  92% (17465/18983)
Updating files:  93% (17655/18983)
Updating files:  94% (17845/18983)
Updating files:  95% (18034/18983)
Updating files:  96% (18224/18983)
Updating files:  97% (18414/18983)
Updating files:  98% (18604/18983)
Updating files:  99% (18794/18983)
Updating files: 100% (18983/18983)
Updating files: 100% (18983/18983), done.
HEAD is now at 3e41859015 Merge pull request #28903 from jim-portegies/opam-publish-coq-waterproof.3.1.0-9.1
Merge made by the 'ort' strategy.
 packages/lwt/lwt.6.0.0-beta01/opam                 | 66 ++++++++++++++++++++++
 packages/lwt_direct/lwt_direct.6.0.0-beta01/opam   | 42 ++++++++++++++
 packages/lwt_ppx/lwt_ppx.1.0.0/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.0.1/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.1.0/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.2.0/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.2.1/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.2.2/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.2.3/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.1.2.4/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.2.0.0/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.2.0.1/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.2.0.2/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.2.0.3/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.2.1.0/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.5.8.0/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.5.9.1/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.5.9.2/opam                |  2 +-
 packages/lwt_ppx/lwt_ppx.6.0.0-beta01/opam         | 43 ++++++++++++++
 .../lwt_runtime_events.6.0.0-beta01/opam           | 40 +++++++++++++
 packages/moonpool-lwt/moonpool-lwt.0.10/opam       |  2 +-
 packages/moonpool-lwt/moonpool-lwt.0.9/opam        |  2 +-
 packages/tezt/tezt.2.0.0/opam                      |  2 +-
 packages/tezt/tezt.3.0.0/opam                      |  2 +-
 packages/tezt/tezt.4.3.0/opam                      |  2 +-
 25 files changed, 212 insertions(+), 21 deletions(-)
 create mode 100644 packages/lwt/lwt.6.0.0-beta01/opam
 create mode 100644 packages/lwt_direct/lwt_direct.6.0.0-beta01/opam
 create mode 100644 packages/lwt_ppx/lwt_ppx.6.0.0-beta01/opam
 create mode 100644 packages/lwt_runtime_events/lwt_runtime_events.6.0.0-beta01/opam

(from ocaml/opam:centos-10-ocaml-4.14@sha256:67aa4894b0ceb1fee3e090e92071b4ae72ebdc268986884065507832415daee1)
2025-12-04 14:03.10 ---> saved as "0b9bf4083e2dc6df76e0ea1d13ef21cb30770882be12f7db8599cdd64e38573f"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-04 14:03.10 ---> saved as "dc756f67342e25c19d260a65913e9981fad949ea3c1a9367997eef05587cb7c3"

/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
2025-12-04 14:03.37 ---> saved as "4da0b40dd1451b49aa77649df75e3de8922a8b658a57c79ea094aac6fd33482e"

/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
2025-12-04 14:03.38 ---> saved as "bde517db76bd8ae2dbb12333d7942553a981da94c4fb7a2570aa8457524bfd01"

/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/"))
2025-12-04 14:03.50 ---> saved as "4d50a27375bcb3c1876628ed69ef0dd4a598a8f4ec96a54d7a230892a97b97d3"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-04 14:04.05 ---> saved as "ef09417a8371f19c33cefc36a731da13dbc55dd5b10b9972b87146744092682b"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-04 14:04.25 ---> saved as "18d29c42854803398f02ed3a2967ac454dea766378f3f6993e96c0bbbdc79a62"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        43 kB/s |  15 kB     00:00    
- CentOS Stream 10 - BaseOS                        11 MB/s | 6.8 MB     00:00    
- CentOS Stream 10 - AppStream                    115 kB/s |  15 kB     00:00    
- CentOS Stream 10 - AppStream                    8.6 MB/s | 3.4 MB     00:00    
- CentOS Stream 10 - CRB                          118 kB/s |  14 kB     00:00    
- CentOS Stream 10 - CRB                          2.5 MB/s | 767 kB     00:00    
- CentOS Stream 10 - Extras packages              133 kB/s |  17 kB     00:00    
- Metadata cache created.
2025-12-04 14:04.31 ---> saved as "c9981f9c4dd928002140af3e49e72cb5aecf68487f7427259fce87b438a54d66"

/home/opam: (run (shell "opam pin add -k version -yn lwt_ppx.6.0.0-beta01 6.0.0-beta01"))
lwt_ppx is now pinned to version 6.0.0-beta01
2025-12-04 14:04.33 ---> saved as "9d37519cfb0536bef43ddffbe66e76cc9826d1f8b0826ff65900843ad333e72b"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt_ppx.6.0.0-beta01;\
                        \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 \"$pkg\" != 'lwt_ppx.6.0.0-beta01' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_ppx.6.0.0-beta01 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 14 packages
  - install base-bytes          base                  [required by ocplib-endian]
  - install cppo                1.8.0                 [required by lwt]
  - install csexp               1.5.2                 [required by dune-configurator]
  - install dune                3.20.2                [required by lwt_ppx]
  - install dune-configurator   3.20.2                [required by lwt]
  - install lwt                 6.0.0-beta01          [required by lwt_ppx]
  - install lwt_ppx             6.0.0-beta01 (pinned)
  - install ocaml-compiler-libs v0.12.4               [required by ppxlib]
  - install ocamlfind           1.9.8                 [required by base-bytes]
  - install ocplib-endian       1.2                   [required by lwt]
  - install ppx_derivers        1.2.1                 [required by ppxlib]
  - install ppxlib              0.37.0                [required by lwt_ppx]
  - install sexplib0            v0.17.0               [required by ppxlib]
  - install stdlib-shims        0.3.0                 [required by ppxlib]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.20.2, dune-configurator.3.20.2  (cached)
-> retrieved lwt.6.0.0-beta01, lwt_ppx.6.0.0-beta01  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (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.3.20.2
-> installed ppx_derivers.1.2.1
-> installed stdlib-shims.0.3.0
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed ocaml-compiler-libs.v0.12.4
-> installed sexplib0.v0.17.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.20.2
-> installed lwt.6.0.0-beta01
-> installed ppxlib.0.37.0
-> installed lwt_ppx.6.0.0-beta01
Done.
# To update the current shell environment, run: eval $(opam env)
2025-12-04 14:05.28 ---> saved as "ace62748386f7b65478ac311a7a4012721754793b24985b03cfc63a7f77869bf"
Job succeeded
2025-12-04 14:05.34: Job succeeded