(not at the head of any monitored branch or PR)
2026-02-04 13:20.42: 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-5.4/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29336/head" && git reset --hard 3513e087
git fetch origin master
git merge --no-edit 45c04602c2fc908af6d1b17ba39c7517d58cb274
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.4@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_runtime_events.6.0.0~beta01 6.0.0~beta01
RUN opam reinstall lwt_runtime_events.6.0.0~beta01; \
    res=$?; \
    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 13:20.42: Using cache hint "ocaml/opam:debian-13-ocaml-5.4@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46-lwt_runtime_events.6.0.0~beta01-3513e0876097dd74e6a34c4d690c9d4e2b9fa1d8"
2026-02-04 13:20.42: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.4@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46)
 (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 13:20.42: Waiting for resource in pool OCluster
2026-02-04 13:20.43: Waiting for worker…
2026-02-04 13:20.43: Got resource from pool OCluster
Building on kydoime.caelum.ci.dev
All commits already cached
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-5.4@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46)
Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46' locally
docker.io/ocaml/opam@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46: Pulling from ocaml/opam
5582010cab7f: Already exists
9b798cd21d29: Already exists
62242c05e654: Already exists
aefae530c4fd: Already exists
2dc6489f56a8: Already exists
d90b79da342e: Already exists
e24347d92b55: Already exists
33d57a8cf6c0: Already exists
45dda2ca70cb: Already exists
f8f680546d5d: Already exists
ddac4d704d74: Already exists
cee39124cad6: Already exists
c1fa4f86d53b: Already exists
3915fd288398: Already exists
6de275a377f1: Already exists
5f3f6f241043: Already exists
a4dc0e3d21db: Already exists
a4dc0e3d21db: Already exists
c94335e8c01d: Already exists
6f86968ce989: Already exists
f2f6db2385e8: Already exists
52abd854319a: Already exists
4f4fb700ef54: Already exists
624066e68113: Already exists
f853ba94574c: Already exists
20e31f8fc784: Already exists
30b22254b79c: Already exists
d1b72675808c: Already exists
07b774a1566a: Already exists
beccdfe3284a: Already exists
da26ad0927f2: Already exists
b17189e16fec: Already exists
aa35df0b4305: Already exists
00a4659eb029: Already exists
55f193e0a707: Already exists
5d2d19341d35: Already exists
9e206319a8c5: Already exists
8eacff8d9192: Already exists
fa334c247a28: Already exists
0eedcfd1a493: Already exists
19f4cd6a19e0: Already exists
0dc741038266: Pulling fs layer
93068c2997a5: Pulling fs layer
602e556751d3: Pulling fs layer
30542fd9c9b8: Pulling fs layer
4709a6e8e1f7: Pulling fs layer
cec67ba4fdc8: Pulling fs layer
4a7cce959462: Pulling fs layer
cec67ba4fdc8: Waiting
4a7cce959462: Waiting
30542fd9c9b8: Waiting
4709a6e8e1f7: Waiting
0dc741038266: Download complete
0dc741038266: Pull complete
93068c2997a5: Verifying Checksum
93068c2997a5: Download complete
602e556751d3: Download complete
93068c2997a5: Pull complete
4709a6e8e1f7: Verifying Checksum
4709a6e8e1f7: Download complete
cec67ba4fdc8: Download complete
602e556751d3: Pull complete
4a7cce959462: Verifying Checksum
4a7cce959462: Download complete
30542fd9c9b8: Verifying Checksum
30542fd9c9b8: Download complete
30542fd9c9b8: Pull complete
4709a6e8e1f7: Pull complete
cec67ba4fdc8: Pull complete
4a7cce959462: Pull complete
Digest: sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46
Status: Downloaded newer image for ocaml/opam@sha256:e3bdd5c43e48eeb8d3d4d0400f6f4758f1ca3b4b7d5c63ea50a0b16a781e3d46
2026-02-04 13:20.44 ---> using "6124e85f72b77476bc2ac4e508813e73c249e643f9954ec6eeb2870914819621" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-04 13:20.44 ---> using "a1e0c3ecee7606f85e2c5b2948809ff01297fc43d4b11fc920734963f7c297be" 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
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-02-04 13:20.44 ---> using "d693aeae09797d4692257737185fdc81b0a5767a30ded9f43e3d791c6754e38f" 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=arm64 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                 79
# 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
2026-02-04 13:20.44 ---> using "c87115cfd0438cd727d78d675619ce7b2b125dc2a4c33b771de12467f14aec62" 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/"))
2026-02-04 13:20.44 ---> using "05a721dc28a19d3d60374a1f0e81fb41857f88cee088787991d5f7a4b5809d26" from cache

/home/opam: (copy (src .) (dst opam-repository/))
Uncaught exception: Failure("\"rm\" \"-rf\" \"/var/cache/obuilder/merged/4c8917e330a13fccf2b725ad413c9bce74a8d69d4d86603d13e0d95cc5c9c4b5\" \"/var/cache/obuilder/work/4c8917e330a13fccf2b725ad413c9bce74a8d69d4d86603d13e0d95cc5c9c4b5\" failed with exit status 1")
2026-02-04 13:21.01: Job failed: Failed: Internal error