(not at the head of any monitored branch or PR)
2025-11-10 11:00.33: New job: build lwt_direct.6.0.0~beta00, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28558/head (db50ce02bd0238ef1431a20de40a98e9f360a8c0)
                              on debian-testing-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28558/head" && git reset --hard db50ce02
git fetch origin master
git merge --no-edit 21f97b2e6d7c617fc0a79cc8e59b2e10690960e1
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-testing-ocaml-4.14@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_direct.6.0.0~beta00 6.0.0~beta00
RUN opam reinstall lwt_direct.6.0.0~beta00; \
    res=$?; \
    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-testing\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_direct.6.0.0~beta00' && partial_fails="$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 .

2025-11-10 11:00.33: Using cache hint "ocaml/opam:debian-testing-ocaml-4.14@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699-lwt_direct.6.0.0~beta00-db50ce02bd0238ef1431a20de40a98e9f360a8c0"
2025-11-10 11:00.33: Using OBuilder spec:
((from ocaml/opam:debian-testing-ocaml-4.14@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699)
 (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_direct.6.0.0~beta00 6.0.0~beta00"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt_direct.6.0.0~beta00;\
             \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-testing\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt_direct.6.0.0~beta00' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-10 11:00.33: Waiting for resource in pool OCluster
2025-11-10 11:26.37: Waiting for worker…
2025-11-10 11:32.16: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
Updating files:  64% (12003/18704)
Updating files:  65% (12158/18704)
Updating files:  66% (12345/18704)
Updating files:  67% (12532/18704)
Updating files:  68% (12719/18704)
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Updating files:  70% (13093/18704)
Updating files:  71% (13280/18704)
Updating files:  72% (13467/18704)
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Updating files:  75% (14028/18704)
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Updating files:  79% (14777/18704)
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Updating files:  82% (15338/18704)
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Updating files: 100% (18704/18704)
Updating files: 100% (18704/18704), done.
HEAD is now at 21f97b2e6d Merge pull request #28836 from dbuenzli/b0-publish-bytesrw.0.3.0
Merge made by the 'ort' strategy.
 packages/lwt/lwt.6.0.0~beta00/opam               | 67 ++++++++++++++++++++++++
 packages/lwt_direct/lwt_direct.6.0.0~beta00/opam | 42 +++++++++++++++
 2 files changed, 109 insertions(+)
 create mode 100644 packages/lwt/lwt.6.0.0~beta00/opam
 create mode 100644 packages/lwt_direct/lwt_direct.6.0.0~beta00/opam

(from ocaml/opam:debian-testing-ocaml-4.14@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699)
Unable to find image 'ocaml/opam:debian-testing-ocaml-4.14@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699' locally
docker.io/ocaml/opam@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699: Pulling from ocaml/opam
2cd1c0141142: Pulling fs layer
7fc0f79b4b97: Pulling fs layer
d20873e86556: Pulling fs layer
2cd1c0141142: Waiting
c6573688b2b1: Pulling fs layer
7fc0f79b4b97: Waiting
cc5b9ba3cd30: Pulling fs layer
d20873e86556: Waiting
c6573688b2b1: Waiting
cc5b9ba3cd30: Waiting
7fc0f79b4b97: Verifying Checksum
7fc0f79b4b97: Download complete
d20873e86556: Verifying Checksum
d20873e86556: Download complete
c6573688b2b1: Download complete
cc5b9ba3cd30: Verifying Checksum
cc5b9ba3cd30: Download complete
2cd1c0141142: Verifying Checksum
2cd1c0141142: Download complete
2cd1c0141142: Pull complete
7fc0f79b4b97: Pull complete
d20873e86556: Pull complete
c6573688b2b1: Pull complete
cc5b9ba3cd30: Pull complete
Digest: sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699
Status: Downloaded newer image for ocaml/opam@sha256:01f7d1d577c75993c4fe5c21e9708f1657875528742c98cf24d7a9db693bf699
2025-11-10 11:32.22 ---> using "c58c261f20910ac434530a277c21f15c085d036bd0dab8d58926d42e339e8ba4" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-11-10 11:32.22 ---> using "d8e515d593801e2d714bcc30faf120eecfe1c9eda2600be350cbb65d7e33693f" 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
[NOTE] The 'jobs' option was reset, its value was 255 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:
           opam option jobs=255 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-11-10 11:32.22 ---> using "3363ab7b1628af87bb01872d00c828fbd0401ad53c34ba6d01baf93a3b5dbfb7" 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~alpha1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=unknown
# 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
2025-11-10 11:32.22 ---> using "09892abbfb883292380046e311f7b366f8ba57d6a6cb6896ae7a2cc077de098b" 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/"))
2025-11-10 11:32.22 ---> using "e706d6c51d346f2e624ebe5d7f7350deab64db767af32ed2e47a01b7386a194b" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-11-10 11:32.30 ---> saved as "22e65ae70a371ef2e347f78904db4c9d336b1c66b7892aca97c521f22b65cd20"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-11-10 11:32.51 ---> saved as "0c9f46a3d795c279d94387341fc4f1cc3a9719702687084b98dd377f59bd7b35"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian testing InRelease [148 kB]
- Get:2 http://deb.debian.org/debian testing-updates InRelease [45.1 kB]
- Get:3 http://deb.debian.org/debian-security testing-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian testing/main amd64 Packages.diff/Index [63.6 kB]
- Get:5 http://deb.debian.org/debian testing/main amd64 Packages T-2025-11-10-0804.50-F-2025-11-08-1405.45.pdiff [110 kB]
- Get:5 http://deb.debian.org/debian testing/main amd64 Packages T-2025-11-10-0804.50-F-2025-11-08-1405.45.pdiff [110 kB]
- Fetched 409 kB in 8s (50.1 kB/s)
- Reading package lists...
- 
2025-11-10 11:33.00 ---> saved as "b221fdc9729a5c75fbd27d25e5febb95a0a6260c76ffc1cb774f8dfa1167166c"

/home/opam: (run (shell "opam pin add -k version -yn lwt_direct.6.0.0~beta00 6.0.0~beta00"))
lwt_direct is now pinned to version 6.0.0~beta00
2025-11-10 11:33.01 ---> saved as "abbd02f04d2ae9866fb0807ae1c0f46ed4c7ba0b9eb243e6824381b57be85c24"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt_direct.6.0.0~beta00;\
                        \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-testing\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt_direct.6.0.0~beta00' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_direct.6.0.0~beta00 is not installed. Install it? [Y/n] y
  * No agreement on the version of ocaml:
    - (invariant) -> ocaml-base-compiler = 4.14.2 -> ocaml = 4.14.2
    - lwt_direct >= 6.0.0~beta00 -> ocaml >= 5.0
    You can temporarily relax the switch invariant with `--update-invariant'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall lwt_direct.6.0.0~beta00;
        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-testing\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'lwt_direct.6.0.0~beta00' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-10 11:33.14: Job failed: Failed: Build failed
2025-11-10 11:33.14: Log analysis:
2025-11-10 11:33.14: >>> 
No solution found, exiting
 (score = 100)
2025-11-10 11:33.14: [SKIP] Package not available