(for PR #24267)

2025-11-10 11:02.17: New job: build orrandomForest.1.0.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/24267/head (41de505ec8ff3637ab3cb06a41ccbc29683f566c)
                              on macos-homebrew-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/24267/head" && git reset --hard 41de505e
git fetch origin master
git merge --no-edit 21f97b2e6d7c617fc0a79cc8e59b2e10690960e1
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM macos-homebrew-ocaml-5.4
USER 1000:1000
RUN ln -f ~/local/bin/opam-dev ~/local/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url -k local --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn orrandomForest.1.0.0 1.0.0
RUN opam reinstall orrandomForest.1.0.0; \
    res=$?; \
    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 "\"macos-homebrew\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'orrandomForest.1.0.0' && partial_fails="$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 .

2025-11-10 11:02.17: Using cache hint "macos-homebrew-ocaml-5.4-orrandomForest.1.0.0-41de505ec8ff3637ab3cb06a41ccbc29683f566c"
2025-11-10 11:02.17: Using OBuilder spec:
((from macos-homebrew-ocaml-5.4)
 (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 orrandomForest.1.0.0 1.0.0"))
 (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
      (network host)
      (shell  "opam reinstall orrandomForest.1.0.0;\
             \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 \"\\\"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 \"$pkg\" != 'orrandomForest.1.0.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-11-10 11:02.17: Waiting for resource in pool OCluster
2025-11-10 11:02.18: Waiting for worker…
2025-11-10 12:15.09: Got resource from pool OCluster
Building on i7-worker-04
All commits already cached
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Updating files: 100% (18702/18702), done.
HEAD is now at 21f97b2e6d Merge pull request #28836 from dbuenzli/b0-publish-bytesrw.0.3.0
Merge made by the 'ort' strategy.
 packages/odnnr/odnnr.2.0.0/opam                   | 4 +---
 packages/oplsr/oplsr.8.0.1/opam                   | 3 +--
 packages/orrandomForest/orrandomForest.1.0.0/opam | 5 +----
 packages/orrandomForest/orrandomForest.2.0.1/opam | 7 +------
 packages/orrandomForest/orrandomForest.3.0.0/opam | 7 +------
 packages/orsvm_e1071/orsvm_e1071.2.0.0/opam       | 3 ---
 packages/orsvm_e1071/orsvm_e1071.3.0.0/opam       | 5 +----
 packages/orsvm_e1071/orsvm_e1071.3.0.1/opam       | 2 +-
 packages/orsvm_e1071/orsvm_e1071.3.0.2/opam       | 2 +-
 packages/orsvm_e1071/orsvm_e1071.4.0.0/opam       | 2 +-
 packages/orxgboost/orxgboost.1.0.1/opam           | 5 +----
 packages/orxgboost/orxgboost.1.1.0/opam           | 5 +----
 packages/orxgboost/orxgboost.1.2.0/opam           | 5 +----
 13 files changed, 12 insertions(+), 43 deletions(-)

(from macos-homebrew-ocaml-5.4)
2025-11-10 12:15.13 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache

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

/: (run (shell "ln -f ~/local/bin/opam-dev ~/local/bin/opam"))
2025-11-10 12:15.13 ---> using "7aa34524ca0a69b4a488c30909f7495a04a243f9066091b1dfe73b446b0dfcd3" 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
2025-11-10 12:15.13 ---> using "91dcaa513ca3161d91620d0583acdea5310cd52ccab1dfbdd183600da37afdb2" 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=x86_64 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                 11
# repositories         1 (version-controlled)
# pinned               0
# current-switch       5.4.0
# invariant            ["ocaml-base-compiler" {= "5.4.0"} | "ocaml-system" {= "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       /Users/mac1000/.opam/5.4.0/lib/ocaml/stublibs:/Users/mac1000/.opam/5.4.0/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2025-11-10 12:15.14 ---> using "cea1bfc0b1cda73d964aa2fc69cc828a6e6d8edd86f991754707e8b004a3cb09" 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/"))
2025-11-10 12:15.14 ---> using "e3eba35b672d86e69268bbb9214f23a1f9d1fb0787b4d803840af8d45829b222" from cache

/: (copy (src .) (dst opam-repository/))
2025-11-10 12:15.16 ---> using "116e919aa719f7c28301c1ffe01855feecfcdbb3813900481b94d4c575e36bd9" from cache

/: (run (shell "opam repository set-url -k local --strict default opam-repository/"))
[default] Initialised
2025-11-10 12:15.17 ---> using "839c9ba93b5b5ec14393e50b7e3e255235b79edd518547fb7c231694382f13bd" from cache

/: (run (network host)
        (shell "opam update --depexts || true"))
+ /usr/local/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.
2025-11-10 12:15.17 ---> using "d9a0b44e0fa446cfd2b0229df41b7526c5a4ee18be9f9e09fc6864f314700d6d" from cache

/: (run (shell "opam pin add -k version -yn orrandomForest.1.0.0 1.0.0"))
orrandomForest is now pinned to version 1.0.0
2025-11-10 12:15.19 ---> saved as "0a5dd8b460f063546bb32c8619d58ef17178cafc9123abea2f0b0424cfb588f6"

/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))
        (network host)
        (shell  "opam reinstall orrandomForest.1.0.0;\
               \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 \"\\\"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 \"$pkg\" != 'orrandomForest.1.0.0' && partial_fails=\"$partial_fails $pkg\";\
               \n        done;\
               \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
               \n        exit 1"))
orrandomForest.1.0.0 is not installed. Install it? [Y/n] y
  * No agreement on the version of ocaml-base-compiler:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - orrandomForest < 2.0.1 -> dolog < 4.0.0 -> ocaml < 5.0.0 -> ocaml-base-compiler < 4.14.3~
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - orrandomForest < 2.0.1 -> dolog < 4.0.0 -> ocaml < 5.0.0 -> dkml-base-compiler
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - orrandomForest < 2.0.1 -> dolog < 4.0.0 -> ocaml < 5.0.0 -> ocaml-variants
  * Missing dependency:
    - orrandomForest < 2.0.1 -> dolog < 4.0.0 -> ocaml < 5.0.0 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - orrandomForest < 2.0.1 -> dolog < 4.0.0 -> ocaml < 5.0.0 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall orrandomForest.1.0.0;
        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 "\"macos-homebrew\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'orrandomForest.1.0.0' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-11-10 12:15.50: Job failed: Failed: Build failed
2025-11-10 12:15.50: Log analysis:
2025-11-10 12:15.50: >>> 
No solution found, exiting
 (score = 100)
2025-11-10 12:15.50: [SKIP] Package not available