(for PR #29147)

2025-12-30 15:41.48: New job: build lwt_runtime_events.6.0.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29147/head (a9c2dfa8be3eba34b7f4bd01fa139b8e6d829c91)
                              on fedora-43-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29147/head" && git reset --hard a9c2dfa8
git fetch origin master
git merge --no-edit f2d102f951a5dc2af6db218c6aef53c80186295a
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:fedora-43-ocaml-4.14@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn lwt_runtime_events.6.0.0 6.0.0
RUN opam reinstall lwt_runtime_events.6.0.0; \
    res=$?; \
    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 "\"fedora-43\""; 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 .

2025-12-30 15:41.48: Using cache hint "ocaml/opam:fedora-43-ocaml-4.14@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d-lwt_runtime_events.6.0.0-a9c2dfa8be3eba34b7f4bd01fa139b8e6d829c91"
2025-12-30 15:41.48: Using OBuilder spec:
((from ocaml/opam:fedora-43-ocaml-4.14@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d)
 (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 \"\\\"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 \"$pkg\" != 'lwt_runtime_events.6.0.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-12-30 15:41.48: Waiting for resource in pool OCluster
2025-12-30 15:41.50: Waiting for worker…
2025-12-30 15:45.24: Got resource from pool OCluster
Building on eumache
All commits already cached
HEAD is now at f2d102f951 Merge pull request #29150 from raphael-proust/llvm-20-21-only-cosmetics
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:fedora-43-ocaml-4.14@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d)
Unable to find image 'ocaml/opam:fedora-43-ocaml-4.14@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d' locally
docker.io/ocaml/opam@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d: Pulling from ocaml/opam
1216d224fefc: Already exists
08f6b7a168c0: Already exists
5ed188bb4904: Already exists
f23351b57642: Already exists
01e02cab7b2d: Already exists
c6d47c9af730: Already exists
18509e7a37b5: Already exists
0f4342aed362: Already exists
335b6c3d0187: Already exists
cbd06b13879d: Already exists
3ff93b36914f: Already exists
52a3227a36bf: Already exists
31e6d570f22b: Already exists
2ec1ea75cd3f: Already exists
1905166d826a: Already exists
74a1862f145f: Already exists
61f5ab3fe0dc: Already exists
3c82be68e86e: Already exists
c6df5f609b10: Already exists
797948b45f38: Already exists
ad22a4ad0680: Already exists
4f4fb700ef54: Already exists
ad2cdae7377e: Already exists
e90a9b3daa0a: Already exists
98dca692a736: Already exists
03444bbf90a1: Already exists
42dcdab85137: Already exists
ac51d948264e: Already exists
321c584b3ae4: Already exists
2f35f85c5eb7: Already exists
99d0f07cae31: Already exists
2c7895be90d2: Already exists
5f2244121247: Already exists
8d516290c9f2: Already exists
e63d93295aab: Already exists
a6da062b6bab: Already exists
65f36f10dd87: Already exists
ed4cfc5ffea7: Already exists
b469827cf174: Already exists
5355ac9477f5: Already exists
2fce8402494f: Pulling fs layer
d5a2bde022e2: Pulling fs layer
7f56373038e6: Pulling fs layer
b25fa01f291c: Pulling fs layer
b25fa01f291c: Waiting
7f56373038e6: Verifying Checksum
7f56373038e6: Download complete
d5a2bde022e2: Download complete
b25fa01f291c: Verifying Checksum
2fce8402494f: Verifying Checksum
2fce8402494f: Download complete
2fce8402494f: Pull complete
d5a2bde022e2: Pull complete
7f56373038e6: Pull complete
b25fa01f291c: Pull complete
Digest: sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d
Status: Downloaded newer image for ocaml/opam@sha256:471b3a3578da85add672c5fd7c6c9d3aa9ce1e82b1c3a3641dc2601d545c841d
2025-12-30 15:46.15 ---> saved as "0058dcab3e0eff3064fc5e4e80c6d5c13b1ee8116aa6a9f8eb356a9d88c759d3"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-12-30 15:46.15 ---> saved as "d4d7676119172172fa0e671692960f129825be5b511d623b81b782df6e69d964"

/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
2025-12-30 15:46.44 ---> saved as "b4cc03a07d74387c78f1009e9fea1187b95308d2eae2f8307c0c0faed0955d32"

/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       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
2025-12-30 15:46.45 ---> saved as "d9c127b72da8e44114df93767191f8b3e57efe69daf658b2ae99274819a269a1"

/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/"))
2025-12-30 15:46.51 ---> saved as "36229baf08594c900144f58583ef4f9375e82f4600ce49540f508a8cf1a9adfd"

/home/opam: (copy (src .) (dst opam-repository/))
2025-12-30 15:47.03 ---> saved as "767f1ef22200261394eea187e70b352d403565bf2e87fd1c109dd72fa414b1be"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-12-30 15:47.23 ---> saved as "16ab7b5d6b2bfd211b7ee96f45a5f6b122805f1961bf89892bb64f50ddb61674"

/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% |  62.8 KiB/s |  20.3 KiB |  00m00s
- Repositories loaded.
- Metadata cache created.
2025-12-30 15:47.27 ---> saved as "b80e8cbd3726f2fc0e2e5b5a1875070a87fb497329f73e9bdbf59710234d0968"

/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
2025-12-30 15:47.27 ---> saved as "f553056779c1a6f36e7194490e3e75d81994a8e2cf0619be74832c7d83dd719a"

/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 \"\\\"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 \"$pkg\" != 'lwt_runtime_events.6.0.0' && partial_fails=\"$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
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler = 4.14.2
    - lwt_runtime_events < 6.0.0-beta01 -> ocaml >= 5.1 -> ocaml-variants < 5.5.1~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Missing dependency:
    - lwt_runtime_events < 6.0.0-beta01 -> 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-beta01 -> 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;
        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 "$pkg" != 'lwt_runtime_events.6.0.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-12-30 15:47.45: Job failed: Failed: Build failed
2025-12-30 15:47.45: Log analysis:
2025-12-30 15:47.45: >>> 
No solution found, exiting
 (score = 100)
2025-12-30 15:47.45: [SKIP] Package not available