(not at the head of any monitored branch or PR)
2026-02-04 13:20.40: New job: build lwt_runtime_events.6.0.0~beta01, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29336/head (3513e0876097dd74e6a34c4d690c9d4e2b9fa1d8)
                              on debian-13-ocaml-4.09/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29336/head" && git reset --hard 3513e087
git fetch origin master
git merge --no-edit 45c04602c2fc908af6d1b17ba39c7517d58cb274
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.09@sha256:f436e19a1303f1091f4e1ddc89ed98db4a293aa4e001239193aad6b45d33d958
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_runtime_events.6.0.0~beta01 6.0.0~beta01
RUN opam reinstall lwt_runtime_events.6.0.0~beta01; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt_runtime_events.6.0.0~beta01' && partial_fails="$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 .

2026-02-04 13:20.40: Using cache hint "ocaml/opam:debian-13-ocaml-4.09@sha256:f436e19a1303f1091f4e1ddc89ed98db4a293aa4e001239193aad6b45d33d958-lwt_runtime_events.6.0.0~beta01-3513e0876097dd74e6a34c4d690c9d4e2b9fa1d8"
2026-02-04 13:20.40: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.09@sha256:f436e19a1303f1091f4e1ddc89ed98db4a293aa4e001239193aad6b45d33d958)
 (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~beta01 6.0.0~beta01"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt_runtime_events.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 \"\\\"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 \"$pkg\" != 'lwt_runtime_events.6.0.0~beta01' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-04 13:20.40: Waiting for resource in pool OCluster
2026-02-04 13:20.43: Waiting for worker…
2026-02-04 13:21.10: Got resource from pool OCluster
Building on eumache
All commits already cached
Updating files:  65% (12663/19337)
Updating files:  66% (12763/19337)
Updating files:  67% (12956/19337)
Updating files:  68% (13150/19337)
Updating files:  69% (13343/19337)
Updating files:  70% (13536/19337)
Updating files:  71% (13730/19337)
Updating files:  72% (13923/19337)
Updating files:  73% (14117/19337)
Updating files:  74% (14310/19337)
Updating files:  75% (14503/19337)
Updating files:  76% (14697/19337)
Updating files:  77% (14890/19337)
Updating files:  78% (15083/19337)
Updating files:  79% (15277/19337)
Updating files:  80% (15470/19337)
Updating files:  81% (15663/19337)
Updating files:  82% (15857/19337)
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Updating files:  86% (16630/19337)
Updating files:  87% (16824/19337)
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Updating files:  90% (17404/19337)
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Updating files:  99% (19144/19337)
Updating files: 100% (19337/19337)
Updating files: 100% (19337/19337), done.
HEAD is now at 45c04602c2 Merge pull request #29332 from fpottier/master
Updating 45c04602c2..3513e08760
Fast-forward
 packages/lwt/{lwt.6.0.0-beta01 => lwt.6.0.0~beta01}/opam                  | 0
 .../lwt_direct/{lwt_direct.6.0.0-beta01 => lwt_direct.6.0.0~beta01}/opam  | 0
 packages/lwt_ppx/{lwt_ppx.6.0.0-beta01 => lwt_ppx.6.0.0~beta01}/opam      | 0
 .../opam                                                                  | 0
 4 files changed, 0 insertions(+), 0 deletions(-)
 rename packages/lwt/{lwt.6.0.0-beta01 => lwt.6.0.0~beta01}/opam (100%)
 rename packages/lwt_direct/{lwt_direct.6.0.0-beta01 => lwt_direct.6.0.0~beta01}/opam (100%)
 rename packages/lwt_ppx/{lwt_ppx.6.0.0-beta01 => lwt_ppx.6.0.0~beta01}/opam (100%)
 rename packages/lwt_runtime_events/{lwt_runtime_events.6.0.0-beta01 => lwt_runtime_events.6.0.0~beta01}/opam (100%)

(from ocaml/opam:debian-13-ocaml-4.09@sha256:f436e19a1303f1091f4e1ddc89ed98db4a293aa4e001239193aad6b45d33d958)
2026-02-04 13:21.48 ---> saved as "54c52fef08096488728860f1503d4fd03c643ec5568d3c170768fa2e11f3b9d0"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-04 13:21.49 ---> saved as "4742fa004e4add10655d9fdba2a59e5108f4b9f432a64e8885f2eea5a1694d7c"

/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
2026-02-04 13:22.36 ---> saved as "6943eb56feaac9e118dae0e92cf254c8fd57dfcd61533e7606f8206ed087fb26"

/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=debian os-version=13
# 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       4.09
# invariant            ["ocaml-base-compiler" {= "4.09.1"}]
# compiler-packages    ocaml-base-compiler.4.09.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/4.09/lib/ocaml/stublibs:/home/opam/.opam/4.09/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.09.1
2026-02-04 13:22.38 ---> saved as "de07394a2225415f005de6c273fe427783417a496820b01d0d4b75d2052b9596"

/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/"))
2026-02-04 13:22.51 ---> saved as "bcac8c852b77b753bc0762f1bc9b66ea06cb8f0800f89f5b9368f3b4ec193b68"

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-04 13:22.59 ---> saved as "9449c1b9183ff5cd9b749db205be93529121237f8f241d797cc8b5abc9204baa"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-04 13:23.33 ---> saved as "79b157381a8f296f97ba557bece5745a1c6f0f83b241e81b4a929e5262061602"

/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 amd64 Packages [98.8 kB]
- Fetched 190 kB in 0s (1280 kB/s)
- Reading package lists...
- 
2026-02-04 13:23.35 ---> saved as "b7d7009d7d02e51a882e35ae9fdead3157d3b7f7bbcb20b5442f4597e824b1f0"

/home/opam: (run (shell "opam pin add -k version -yn lwt_runtime_events.6.0.0~beta01 6.0.0~beta01"))
lwt_runtime_events is now pinned to version 6.0.0~beta01
2026-02-04 13:23.36 ---> saved as "1297232605422d88d6c9a0d6371d5b4daaf712d9534dd8724a3ec193088403c6"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt_runtime_events.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 \"\\\"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 \"$pkg\" != 'lwt_runtime_events.6.0.0~beta01' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt_runtime_events.6.0.0~beta01 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.09.1
    - lwt_runtime_events < 6.0.0 -> ocaml >= 5.1 -> ocaml-variants < 5.6.1~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - lwt_runtime_events < 6.0.0 -> ocaml >= 5.1 -> ocaml-variants < 5.1.1~ -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - lwt_runtime_events < 6.0.0 -> ocaml >= 5.1 -> ocaml-variants < 5.2.1~ -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall lwt_runtime_events.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 "\"debian-13\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'lwt_runtime_events.6.0.0~beta01' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2026-02-04 13:23.55: Job failed: Failed: Build failed
2026-02-04 13:23.55: Log analysis:
2026-02-04 13:23.55: >>> 
No solution found, exiting
 (score = 100)
2026-02-04 13:23.55: [SKIP] Package not available