(not at the head of any monitored branch or PR)
2026-01-07 09:44.44: New job: build lwt_runtime_events.6.0.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29184/head (1a538ed11284d3a47bf9851621c653c567cbc1a3)
                              on debian-13-ocaml-5.4/s390x

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29184/head" && git reset --hard 1a538ed1
git fetch origin master
git merge --no-edit 26ba45ff7b4d5c474404d370f5dab40d5aca345f
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_runtime_events.6.0.0 6.0.0
RUN opam reinstall lwt_runtime_events.6.0.0; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_runtime_events.6.0.0' && partial_fails="$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 .

2026-01-07 09:44.44: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a-lwt_runtime_events.6.0.0-1a538ed11284d3a47bf9851621c653c567cbc1a3"
2026-01-07 09:44.44: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a)
 (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_runtime_events.6.0.0 6.0.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt_runtime_events.6.0.0;\
             \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 \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt_runtime_events.6.0.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-01-07 09:44.44: Waiting for resource in pool OCluster
2026-01-07 09:44.45: Waiting for worker…
2026-01-07 09:44.45: Got resource from pool OCluster
Building on s390x-worker-01.marist.ci.dev
Updating files:  86% (16628/19142)
Updating files:  87% (16654/19142)
Updating files:  88% (16845/19142)
Updating files:  89% (17037/19142)
Updating files:  90% (17228/19142)
Updating files:  91% (17420/19142)
Updating files:  92% (17611/19142)
Updating files:  93% (17803/19142)
Updating files:  94% (17994/19142)
Updating files:  95% (18185/19142)
Updating files:  96% (18377/19142)
Updating files:  97% (18568/19142)
Updating files:  98% (18760/19142)
Updating files:  99% (18951/19142)
Updating files: 100% (19142/19142)
Updating files: 100% (19142/19142), done.
HEAD is now at 4f0740ed3f Merge commit '35571d7c0425b8e49882e788c435f405a6423652'
HEAD is now at 26ba45ff7b Merge pull request #29174 from craff/master
Merge made by the 'ort' strategy.
 packages/lwt/lwt.6.0.0/opam                        | 64 ++++++++++++++++++++++
 packages/lwt_direct/lwt_direct.6.0.0/opam          | 41 ++++++++++++++
 packages/lwt_ppx/lwt_ppx.6.0.0/opam                | 46 ++++++++++++++++
 .../lwt_runtime_events.6.0.0/opam                  | 39 +++++++++++++
 4 files changed, 190 insertions(+)
 create mode 100644 packages/lwt/lwt.6.0.0/opam
 create mode 100644 packages/lwt_direct/lwt_direct.6.0.0/opam
 create mode 100644 packages/lwt_ppx/lwt_ppx.6.0.0/opam
 create mode 100644 packages/lwt_runtime_events/lwt_runtime_events.6.0.0/opam

(from ocaml/opam:debian-13-ocaml-5.4@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a' locally
docker.io/ocaml/opam@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a: Pulling from ocaml/opam
Digest: sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a
Status: Downloaded newer image for ocaml/opam@sha256:6ec430c557b135898acce45eb7f934a9af69f996e1b30354224bd7a6491d163a
2026-01-07 09:44.48 ---> using "a4081aee3888c2547e3e29949bb7e13329ac377891bca3e65b4b38d27fa8627b" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-01-07 09:44.48 ---> using "9b4edd19dbdad7371a5798ecffb82357ebfe64bdc24b655837144377d2adf09c" 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.

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


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-01-07 09:44.48 ---> using "8adfe1972533f12aa89af48d0cccf6ebe91e8ad14dec2442c9848b29b2a9d6a1" 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=s390x os=linux os-distribution=debian os-version=13
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 3
# 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
2026-01-07 09:44.48 ---> using "20e9c868b4aec4024a5bab5b2b61dc2b9ff98683d077c601f38a9651c4c29410" 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/"))
2026-01-07 09:44.48 ---> using "d5e05b569db4a6dda1850ca4058e44e70d748eef31f96134290296dcbab0e246" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-01-07 09:44.59 ---> saved as "8149272977c84f7359465a136c13cdea3c6cf9d12253026781e9a31485a62963"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-01-07 09:45.21 ---> saved as "51d1419562cd23f7c9d8bd76a6ca98a8991b8dff82b28950098a66916ab94979"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian-security trixie-security/main s390x Packages [85.2 kB]
- Fetched 176 kB in 0s (710 kB/s)
- Reading package lists...
- 
2026-01-07 09:45.23 ---> saved as "acc22b5fe7c2c8249de106c2feb4fa5da858f51d23f1183517e74fe54199d46e"

/home/opam: (run (shell "opam pin add -k version -yn lwt_runtime_events.6.0.0 6.0.0"))
lwt_runtime_events is now pinned to version 6.0.0
2026-01-07 09:45.24 ---> saved as "92bff31fd5a6350632efb19e6d7d02b81f1a5eb2456d30baa66f7a92b56e433f"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt_runtime_events.6.0.0;\
                        \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 \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt_runtime_events.6.0.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_runtime_events.6.0.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 2 packages
  - install dune               3.20.2         [required by lwt_runtime_events]
  - install lwt_runtime_events 6.0.0 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.20.2  (cached)
-> retrieved lwt_runtime_events.6.0.0  (cached)
-> installed dune.3.20.2
-> installed lwt_runtime_events.6.0.0
Done.
# To update the current shell environment, run: eval $(opam env)
2026-01-07 09:46.00 ---> saved as "eab671f487e96fb1f16556167e56de3c3424a44408d72e8b53f2c12b8f2e59d5"
Job succeeded
2026-01-07 09:46.04: Job succeeded