(for PR #28619)

2025-09-30 08:04.01: New job: build MlFront_Config.2.4.2.21, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/28619/head (f053538f79a18e4c6a4064eb8f48277b038e350a)
                              on macos-homebrew-ocaml-5.3/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/28619/head" && git reset --hard f053538f
git fetch origin master
git merge --no-edit dfe27d924d3f2d9d3045aa994e54a6172a669ecb
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM macos-homebrew-ocaml-5.3
USER 1000:1000
RUN ln -f ~/local/bin/opam-dev ~/local/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url -k local --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn MlFront_Config.2.4.2.21 2.4.2.21
RUN opam reinstall MlFront_Config.2.4.2.21; \
    res=$?; \
    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 "$pkg" != 'MlFront_Config.2.4.2.21' && partial_fails="$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 .

2025-09-30 08:04.01: Using cache hint "macos-homebrew-ocaml-5.3-MlFront_Config.2.4.2.21-f053538f79a18e4c6a4064eb8f48277b038e350a"
2025-09-30 08:04.01: Using OBuilder spec:
((from macos-homebrew-ocaml-5.3)
 (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 MlFront_Config.2.4.2.21 2.4.2.21"))
 (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
      (network host)
      (shell  "opam reinstall MlFront_Config.2.4.2.21;\
             \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 \"$pkg\" != 'MlFront_Config.2.4.2.21' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-09-30 08:04.01: Waiting for resource in pool OCluster
2025-09-30 08:04.02: Waiting for worker…
2025-09-30 08:37.54: Got resource from pool OCluster
Building on m1-worker-04
All commits already cached
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Updating files: 100% (18395/18395), done.
HEAD is now at dfe27d924d Merge pull request #28613 from kit-ty-kate/opam-2.4-stable-patch
Updating dfe27d924d..f053538f79
Fast-forward
 packages/MlFront_Cache/MlFront_Cache.2.4.2.21/opam | 46 ++++++++++++++++++++
 packages/MlFront_Cli/MlFront_Cli.2.4.2.21/opam     | 37 ++++++++++++++++
 .../MlFront_Codept/MlFront_Codept.2.4.2.21/opam    | 50 ++++++++++++++++++++++
 .../MlFront_Config/MlFront_Config.2.4.2.21/opam    | 41 ++++++++++++++++++
 packages/MlFront_Core/MlFront_Core.2.4.2.21/opam   | 42 ++++++++++++++++++
 .../MlFront_Errors/MlFront_Errors.2.4.2.21/opam    | 41 ++++++++++++++++++
 packages/MlFront_Exec/MlFront_Exec.2.4.2.21/opam   | 50 ++++++++++++++++++++++
 packages/MlFront_Logs/MlFront_Logs.2.4.2.21/opam   | 41 ++++++++++++++++++
 packages/MlFront_Manip/MlFront_Manip.2.4.2.21/opam | 39 +++++++++++++++++
 .../MlFront_Signify/MlFront_Signify.2.4.2.21/opam  | 40 +++++++++++++++++
 packages/MlFront_Thunk/MlFront_Thunk.2.4.2.21/opam | 44 +++++++++++++++++++
 packages/MlFront_Tools/MlFront_Tools.2.4.2.21/opam | 49 +++++++++++++++++++++
 .../MlFront_ZipFile/MlFront_ZipFile.2.4.2.21/opam  | 40 +++++++++++++++++
 13 files changed, 560 insertions(+)
 create mode 100644 packages/MlFront_Cache/MlFront_Cache.2.4.2.21/opam
 create mode 100644 packages/MlFront_Cli/MlFront_Cli.2.4.2.21/opam
 create mode 100644 packages/MlFront_Codept/MlFront_Codept.2.4.2.21/opam
 create mode 100644 packages/MlFront_Config/MlFront_Config.2.4.2.21/opam
 create mode 100644 packages/MlFront_Core/MlFront_Core.2.4.2.21/opam
 create mode 100644 packages/MlFront_Errors/MlFront_Errors.2.4.2.21/opam
 create mode 100644 packages/MlFront_Exec/MlFront_Exec.2.4.2.21/opam
 create mode 100644 packages/MlFront_Logs/MlFront_Logs.2.4.2.21/opam
 create mode 100644 packages/MlFront_Manip/MlFront_Manip.2.4.2.21/opam
 create mode 100644 packages/MlFront_Signify/MlFront_Signify.2.4.2.21/opam
 create mode 100644 packages/MlFront_Thunk/MlFront_Thunk.2.4.2.21/opam
 create mode 100644 packages/MlFront_Tools/MlFront_Tools.2.4.2.21/opam
 create mode 100644 packages/MlFront_ZipFile/MlFront_ZipFile.2.4.2.21/opam

(from macos-homebrew-ocaml-5.3)
2025-09-30 08:37.56 ---> using "6ee950b55569b1a3f8a7953dc679318bf303d3a70ac7d49901c0ac2ca3805d7c" from cache

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

/: (run (shell "ln -f ~/local/bin/opam-dev ~/local/bin/opam"))
2025-09-30 08:37.57 ---> using "daf13cd85321dca2abefeec4b24cfce5d94aff7b852ffa868e4c5535b37a2285" 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
2025-09-30 08:37.57 ---> using "b44331ef0e2a1f949f81555f074a313d66c5d4355f7385be6765b19cf7bc8136" 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         2.4.1
# 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       5.3.0
# invariant            ["ocaml-base-compiler" {= "5.3.0"} | "ocaml-system" {= "5.3.0"}]
# compiler-packages    ocaml-base-compiler.5.3.0, ocaml-compiler.5.3.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /Users/mac1000/.opam/5.3.0/lib/ocaml/stublibs:/Users/mac1000/.opam/5.3.0/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.3.0
2025-09-30 08:37.57 ---> using "9a7889cfd2de27772065fdd759bc9c801c28f8cc8252bd01d09de9ac80c0ddfc" 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/"))
2025-09-30 08:37.57 ---> using "d17ed0ae9a502c5679ac6c71732a210cdcb974067ebb6cb03f2c6ee2249d5077" from cache

/: (copy (src .) (dst opam-repository/))
2025-09-30 08:37.58 ---> using "875355f428c1d73be65683636c93e8da48e6ae450ed8736409e47f982b6605b0" from cache

/: (run (shell "opam repository set-url -k local --strict default opam-repository/"))
[default] Initialised
2025-09-30 08:37.58 ---> using "654a1bfe3898f71f3d622db280e40df0db6f6cd60286e454058cdb77efe8db23" from cache

/: (run (network host)
        (shell "opam update --depexts || true"))
+ /opt/homebrew/bin/brew "update"
- ==> Updating Homebrew...
- ==> 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.
2025-09-30 08:37.58 ---> using "b2cea87f206d7024561adf85f34d06e58e23a83e603f0a8fb53282c1f4bb500a" from cache

/: (run (shell "opam pin add -k version -yn MlFront_Config.2.4.2.21 2.4.2.21"))
MlFront_Config is now pinned to version 2.4.2.21
2025-09-30 08:38.00 ---> saved as "61634aefe8faf83a951b8c725406530956c838db87ff717a3da07567fba599c5"

/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
        (network host)
        (shell  "opam reinstall MlFront_Config.2.4.2.21;\
               \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 \"$pkg\" != 'MlFront_Config.2.4.2.21' && partial_fails=\"$partial_fails $pkg\";\
               \n        done;\
               \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
               \n        exit 1"))
MlFront_Config.2.4.2.21 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 7 packages
  - install cppo           1.8.0             [required by MlFront_Config]
  - install digestif       1.3.0             [required by MlFront_Core]
  - install dune           3.20.2            [required by MlFront_Config]
  - install eqaf           0.10              [required by digestif]
  - install MlFront_Config 2.4.2.21 (pinned)
  - install MlFront_Core   2.4.2.21          [required by MlFront_Config]
  - install stringext      1.6.0             [required by MlFront_Core]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved digestif.1.3.0  (cached)
-> retrieved dune.3.20.2  (cached)
-> retrieved eqaf.0.10  (cached)
-> retrieved MlFront_Config.2.4.2.21, MlFront_Core.2.4.2.21  (cached)
-> retrieved stringext.1.6.0  (cached)
-> installed dune.3.20.2
-> installed stringext.1.6.0
-> installed eqaf.0.10
-> installed cppo.1.8.0
-> installed digestif.1.3.0
-> installed MlFront_Core.2.4.2.21
-> installed MlFront_Config.2.4.2.21
Done.
# To update the current shell environment, run: eval $(opam env)
2025-09-30 08:38.37 ---> saved as "bb34702eb0abb777fcf433607b72af5809cae6293c2ffcaa95a7f5e0489cb6f3"
Job succeeded
2025-09-30 08:38.45: Job succeeded