(not at the head of any monitored branch or PR)
2026-02-04 13:20.41: New job: build lwt.6.0.0~beta01, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29336/head (3513e0876097dd74e6a34c4d690c9d4e2b9fa1d8)
                              on fedora-43-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29336/head" && git reset --hard 3513e087
git fetch origin master
git merge --no-edit 45c04602c2fc908af6d1b17ba39c7517d58cb274
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:fedora-43-ocaml-5.4@sha256:53cfa3faea53f32c5b9bf6c248079c82c265573e9a1086c3e0b24e9a59ce6fb5
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt.6.0.0~beta01 6.0.0~beta01
RUN opam reinstall lwt.6.0.0~beta01; \
    res=$?; \
    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 "\"fedora-43\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'lwt.6.0.0~beta01' && partial_fails="$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 13:20.41: Using cache hint "ocaml/opam:fedora-43-ocaml-5.4@sha256:53cfa3faea53f32c5b9bf6c248079c82c265573e9a1086c3e0b24e9a59ce6fb5-lwt.6.0.0~beta01-3513e0876097dd74e6a34c4d690c9d4e2b9fa1d8"
2026-02-04 13:20.41: Using OBuilder spec:
((from ocaml/opam:fedora-43-ocaml-5.4@sha256:53cfa3faea53f32c5b9bf6c248079c82c265573e9a1086c3e0b24e9a59ce6fb5)
 (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.6.0.0~beta01 6.0.0~beta01"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall lwt.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 \"\\\"fedora-43\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'lwt.6.0.0~beta01' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-04 13:20.41: Waiting for resource in pool OCluster
2026-02-04 13:21.06: Waiting for worker…
2026-02-04 13:28.25: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
Updating files:  65% (12700/19337)
Updating files:  66% (12763/19337)
Updating files:  67% (12956/19337)
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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:fedora-43-ocaml-5.4@sha256:53cfa3faea53f32c5b9bf6c248079c82c265573e9a1086c3e0b24e9a59ce6fb5)
2026-02-04 13:29.23 ---> saved as "64ff51f87b5887c78d09e3fbdd24fdda7c329479f16a8027e7e60d440686e053"

/: (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 13:29.23 ---> saved as "03e0ca43aee17da132892fe7e81ca875da3388e8472163d542aa44c388aba43c"

/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 13:30.00 ---> saved as "6168081c4080a7a2b3e79c5afe420fb3955b1fd3ba80acf5b3fdb34601d7a18f"

/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=fedora os-version=43
# 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       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 13:30.01 ---> saved as "ee58332b57d34f2fc0fe4069861bbbb22ca6ac99dc535540e6f4d3b7e6e3b809"

/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 13:30.18 ---> saved as "27381305d729bdbd242399e9740a80755963b30b79fc12bbbe6af6e9333180f4"

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-04 13:30.35 ---> saved as "4ab552b0855770d2a481a094fd49e66273768910a3072dd3859d728cc6f91361"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-04 13:31.00 ---> saved as "b1b56b3899a0808a6a9bea54dc701f7ffbd9ebff39e6311aa319098e780519cb"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/sbin/sudo "yum" "makecache"
- Updating and loading repositories:
-  Fedora 43 - x86_64 - Updates           100% | 136.1 KiB/s |  19.9 KiB |  00m00s
- Repositories loaded.
- Metadata cache created.
2026-02-04 13:31.04 ---> saved as "38ae24b73fc98050e38fa7c43eb00ac3eed8232817486712f0b5e4c92266ba92"

/home/opam: (run (shell "opam pin add -k version -yn lwt.6.0.0~beta01 6.0.0~beta01"))
lwt is now pinned to version 6.0.0~beta01
2026-02-04 13:31.05 ---> saved as "8d6e337c23560643308e34e1bdb0428b8cf245fd80a25bdf639b42012b403121"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall lwt.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 \"\\\"fedora-43\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'lwt.6.0.0~beta01' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
lwt.6.0.0~beta01 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 8 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              3.21.0                [required by lwt]
  - install dune-configurator 3.21.0                [required by lwt]
  - install lwt               6.0.0~beta01 (pinned)
  - install ocamlfind         1.9.8                 [required by base-bytes]
  - install ocplib-endian     1.2                   [required by lwt]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.21.0, dune-configurator.3.21.0  (cached)
-> retrieved lwt.6.0.0~beta01  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed dune.3.21.0
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.21.0
-> installed lwt.6.0.0~beta01
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-04 13:32.02 ---> saved as "50881f43e6d8a2fbc8a8450df229baed29ce158be0dbc6e34b44dcdde6748f6a"
Job succeeded
2026-02-04 13:32.25: Job succeeded