(not at the head of any monitored branch or PR)
2026-03-23 00:44.02: New job: build ocaml-compiler.5.4.0~alpha1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29582/head (9346fc968dbf5116a1b2dd2b5e0143bc06e9fa98)
                              on macos-homebrew-ocaml-4.14/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29582/head" && git reset --hard 9346fc96
git fetch origin master
git merge --no-edit 76bf2ed9443fdee37e6f046c6295d358be3f8598
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM macos-homebrew-ocaml-4.14
USER 1000:1000
RUN ln -f ~/local/bin/opam-dev ~/local/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url -k local --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-compiler.5.4.0~alpha1 5.4.0~alpha1
RUN opam reinstall --update-invariant ocaml-compiler.5.4.0~alpha1; \
    res=$?; \
    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 "\"macos-homebrew\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails="$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 .

2026-03-23 00:44.02: Using cache hint "macos-homebrew-ocaml-4.14-ocaml-compiler.5.4.0~alpha1-9346fc968dbf5116a1b2dd2b5e0143bc06e9fa98"
2026-03-23 00:44.02: Using OBuilder spec:
((from macos-homebrew-ocaml-4.14)
 (user (uid 1000) (gid 1000))
 (run (shell "ln -f ~/local/bin/opam-dev ~/local/bin/opam"))
 (run (network host)
      (shell "opam init --reinit -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 -k local --strict default opam-repository/"))
 (run (network host)
      (shell "opam update --depexts || true"))
 (run (shell "opam pin add -k version -yn ocaml-compiler.5.4.0~alpha1 5.4.0~alpha1"))
 (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
      (network host)
      (shell  "opam reinstall --update-invariant ocaml-compiler.5.4.0~alpha1;\
             \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 \"\\\"macos-homebrew\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-23 00:44.02: Waiting for resource in pool OCluster
2026-03-23 00:44.06: Waiting for worker…
2026-03-23 01:21.42: Got resource from pool OCluster
Building on m1-worker-01
All commits already cached
Updating files:  64% (11940/18510)
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Updating files: 100% (18510/18510)
Updating files: 100% (18510/18510), done.
HEAD is now at 76bf2ed944 Merge pull request #29572 from hannesm/release-letsencrypt-v2.0.0
Updating 76bf2ed944..9346fc968d
Fast-forward
 packages/ocaml-compiler/ocaml-compiler.5.3.0/opam           |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.3/opam             |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4.0/opam           |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4.0~alpha1/opam    |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4.0~beta1/opam     |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4.0~beta2/opam     |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4.0~rc1/opam       |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4.1/opam           |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.4/opam             |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.5.0~alpha1/opam    |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.5/opam             |  2 ++
 packages/ocaml-compiler/ocaml-compiler.5.6/opam             |  2 ++
 packages/ocaml-option-clang-cl/ocaml-option-clang-cl.1/opam | 13 +++++++++++++
 packages/ocaml-options-vanilla/ocaml-options-vanilla.1/opam |  1 +
 packages/ocaml-variants/ocaml-variants.5.2.0+msvc/opam      |  2 ++
 15 files changed, 40 insertions(+)
 create mode 100644 packages/ocaml-option-clang-cl/ocaml-option-clang-cl.1/opam

(from macos-homebrew-ocaml-4.14)
2026-03-23 01:21.45 ---> using "0c60f117aee57abea8364cb033d47bb1d63ff0f68e5ee97378e032498e8442af" from cache

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

/: (run (shell "ln -f ~/local/bin/opam-dev ~/local/bin/opam"))
2026-03-23 01:21.45 ---> using "f20a31eccb94af52fa2a3ef86b723bc6460bac3d8a92b8861915540c2498d20a" from cache

/: (run (network host)
        (shell "opam init --reinit -ni"))
No configuration file found, using 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 /Users/mac1000/.opam from version 2.1 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 1 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=1 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes from git+file:///Users/mac1000/opam-repository
2026-03-23 01:21.45 ---> using "7818e224f85c11d1d318abe9ba4e297be345388b7ed476f912b6900c6bae56aa" from cache

/: (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=macos os-distribution=homebrew os-version=15.5
# solver               builtin-0install
# install-criteria     -changed,-count[avoid-version,solution]
# upgrade-criteria     -count[avoid-version,solution]
# jobs                 7
# repositories         1 (version-controlled)
# pinned               0
# current-switch       4.14.2
# invariant            ["ocaml-base-compiler" {= "4.14.2"} | "ocaml-system" {= "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       /Users/mac1000/.opam/4.14.2/lib/ocaml/stublibs:/Users/mac1000/.opam/4.14.2/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       4.14.2
2026-03-23 01:21.45 ---> using "625776f8b2f728a128171e2ba4372c97abd18632a07574a8412026e8be39dac5" from cache

/: (env OPAMDOWNLOADJOBS 1)

/: (env OPAMERRLOGLEN 0)

/: (env OPAMPRECISETRACKING 1)

/: (env CI true)

/: (env OPAM_REPO_CI true)

/: (run (shell "rm -rf opam-repository/"))
2026-03-23 01:21.45 ---> using "15fbb76bf7dee5d6e8ae583230339015a61d8d2d8397de2cfe6459f8ba421f1e" from cache

/: (copy (src .) (dst opam-repository/))
2026-03-23 01:21.46 ---> using "9b6610ee7c1574717b8cd350de26066af1997525467381f5cb34c06ab516bd37" from cache

/: (run (shell "opam repository set-url -k local --strict default opam-repository/"))
[default] Initialised
2026-03-23 01:21.47 ---> using "196c4ef634d7f5e4aa4649f2455c1afd261eed67c6d5071c5743289a162e1ddf" from cache

/: (run (network host)
        (shell "opam update --depexts || true"))
+ /opt/homebrew/bin/brew "update"
- ==> Updating Homebrew...
- ==> Downloading https://ghcr.io/v2/homebrew/core/portable-ruby/blobs/sha256:cef6f881f516d2cdbd0a5bfc7e20318da8b047cf2674ee27c5d4858d3ecd6430
- #=#=#                                                                          

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- ==> Pouring portable-ruby-4.0.1.arm64_big_sur.bottle.tar.gz
- ==> Homebrew collects anonymous analytics.
- Read the analytics documentation (and how to opt-out) here:
-   https://docs.brew.sh/Analytics
- No analytics have been recorded yet (nor will be during this `brew` run).
- 
- ==> Homebrew is run entirely by unpaid volunteers. Please consider donating:
-   https://github.com/Homebrew/brew#donations
- 
- Already up-to-date.
2026-03-23 01:21.47 ---> using "2e8bfcf96f93dc48737db30907ffab70621668125a74ea453ee941a356d75554" from cache

/: (run (shell "opam pin add -k version -yn ocaml-compiler.5.4.0~alpha1 5.4.0~alpha1"))
ocaml-compiler is now pinned to version 5.4.0~alpha1
2026-03-23 01:21.48 ---> saved as "f684074482a9ae131cec9015db83d23b8bc65e8399150943723433bf53bc4e56"

/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
        (network host)
        (shell  "opam reinstall --update-invariant ocaml-compiler.5.4.0~alpha1;\
               \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 \"\\\"macos-homebrew\\\"\"; then\
               \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
               \n          fi;\
               \n          test \"$pkg\" != 'ocaml-compiler.5.4.0~alpha1' && partial_fails=\"$partial_fails $pkg\";\
               \n        done;\
               \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
               \n        exit 1"))
ocaml-compiler.5.4.0~alpha1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== upgrade 3 packages
  - upgrade ocaml               4.14.2 to 5.4.0        [uses ocaml-base-compiler]
  - upgrade ocaml-base-compiler 4.14.2 to 5.4.0~alpha1 [uses ocaml-compiler]
  - upgrade ocaml-config        2 to 3                 [uses ocaml-base-compiler]
=== install 4 packages
  - install base-domains        base
  - install base-effects        base
  - install base-nnp            base
  - install ocaml-compiler      5.4.0~alpha1 (pinned)

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved ocaml-compiler.5.4.0~alpha1  (cached)
-> retrieved ocaml-config.3  (cached)
-> removed   ocaml.4.14.2
-> removed   ocaml-config.2
-> removed   ocaml-base-compiler.4.14.2
-> installed ocaml-compiler.5.4.0~alpha1
-> installed ocaml-base-compiler.5.4.0~alpha1
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
[NOTE] Switch invariant was updated to ["ocaml-base-compiler" {= "5.4.0~alpha1"} | "ocaml-system" {= "4.14.2"}]
       Use `opam switch set-invariant' to change it.
Done.
# To update the current shell environment, run: eval $(opam env)
2026-03-23 01:23.54 ---> saved as "10cecc032e358b09887713ab3b73ff528ef955e9d65add18cea03d252748e99d"
Job succeeded
2026-03-23 01:24.01: Job succeeded