(for PR #24267)

2025-10-17 13:54.21: New job: build orxgboost.1.0.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/24267/head (41de505ec8ff3637ab3cb06a41ccbc29683f566c)
                              on centos-9-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/24267/head" && git reset --hard 41de505e
git fetch origin master
git merge --no-edit 5bf570252bd9fee71938b828ca0b86573c1e3355
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-9-ocaml-5.4@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn orxgboost.1.0.1 1.0.1
RUN opam reinstall orxgboost.1.0.1; \
    res=$?; \
    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 "\"centos-9\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'orxgboost.1.0.1' && partial_fails="$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 .

2025-10-17 13:54.21: Using cache hint "ocaml/opam:centos-9-ocaml-5.4@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608-orxgboost.1.0.1-41de505ec8ff3637ab3cb06a41ccbc29683f566c"
2025-10-17 13:54.21: Using OBuilder spec:
((from ocaml/opam:centos-9-ocaml-5.4@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608)
 (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 orxgboost.1.0.1 1.0.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall orxgboost.1.0.1;\
             \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 \"\\\"centos-9\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'orxgboost.1.0.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2025-10-17 13:54.21: Connecting to build cluster…
2025-10-17 13:54.21: Waiting for resource in pool OCluster
2025-10-17 14:12.06: Waiting for worker…
2025-10-17 14:15.01: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
HEAD is now at 5bf570252b Merge pull request #28700 from drjdn/opam-publish-p5scm.0.5.0
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 ocaml/opam:centos-9-ocaml-5.4@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608)
Unable to find image 'ocaml/opam:centos-9-ocaml-5.4@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608' locally
docker.io/ocaml/opam@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608: Pulling from ocaml/opam
7795c72b9676: Already exists
027d2cf96d1e: Already exists
71ef476c13da: Already exists
43f57a94fcee: Already exists
c988c54f7ded: Already exists
75840600b36d: Already exists
78fa1426bbe1: Already exists
274481bad27f: Already exists
6a72ddc1d4d4: Already exists
dcdbb604cb60: Already exists
ca106634e08c: Already exists
24ce427e7d89: Already exists
b3785c61d3bb: Already exists
79936a931deb: Already exists
9705e2110b17: Already exists
d9072003aaeb: Already exists
14c2a61e2d24: Already exists
14c2a61e2d24: Already exists
c2a4fd0c0048: Already exists
13d239904d87: Already exists
07fe2fbf50a9: Already exists
d154a0762594: Already exists
4f4fb700ef54: Already exists
b1621baba0fb: Already exists
6f6b9e21256b: Already exists
62fd0613c1c2: Already exists
4be11bdd451b: Already exists
124374a8f90a: Already exists
c0819fb1b43b: Already exists
387bdf7d103e: Already exists
9e91be7b2bc3: Already exists
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f981547a250d: Already exists
e480f285f1a3: Already exists
c0f2d113721d: Already exists
3aa0591fd19d: Already exists
bfe2e9a72ab4: Already exists
3ab494d5a675: Already exists
1f7f37734d55: Already exists
b9ae7b041b61: Already exists
be16f1425b97: Pulling fs layer
a081c46e4c6a: Pulling fs layer
14e9540f15ab: Pulling fs layer
832e90e8c5a4: Pulling fs layer
6d17e4608e10: Pulling fs layer
832e90e8c5a4: Waiting
6d17e4608e10: Waiting
14e9540f15ab: Download complete
832e90e8c5a4: Verifying Checksum
832e90e8c5a4: Download complete
6d17e4608e10: Download complete
be16f1425b97: Verifying Checksum
be16f1425b97: Download complete
be16f1425b97: Pull complete
a081c46e4c6a: Verifying Checksum
a081c46e4c6a: Download complete
a081c46e4c6a: Pull complete
14e9540f15ab: Pull complete
832e90e8c5a4: Pull complete
6d17e4608e10: Pull complete
Digest: sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608
Status: Downloaded newer image for ocaml/opam@sha256:af77a426263addc0b7f60245a4f2539d0b187bde236a5b476df612eb6c98d608
2025-10-17 14:15.03 ---> using "8983959682a32d130799a7a34d1891ad620e5b2216b89bf498d47a9bd007278c" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2025-10-17 14:15.03 ---> using "10074ad5c7514421da49c6d75fea01912edec0d59d1ee24f896a0e418085b184" from cache

/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
2025-10-17 14:15.03 ---> using "3f15a6ad1889f7e709839d3b473b110ac7778dadc1f5c8ab9abe6c2e39dfc932" from cache

/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         2.4.1
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=centos os-version=9
# 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
2025-10-17 14:15.03 ---> using "8c44db4f3d2b737a0af9fe48ee9b4a89b4ce034f0012deb3203ae86a65f56f3e" from cache

/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/"))
2025-10-17 14:15.03 ---> using "c782fd4afe52c212e288bddcec15de388193c8bdcb48520219c7cf84787e870c" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2025-10-17 14:15.04 ---> using "979ff7033f993b34e5d4257c2481ef988b7468b2e49a6071517613305540749a" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2025-10-17 14:15.05 ---> saved as "da7abcbe29ff7ae88939fefe4a3372200b343c93507119a7053d6628ddc6c11d"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 9 - BaseOS                         26 kB/s |  15 kB     00:00    
- CentOS Stream 9 - AppStream                      34 kB/s |  15 kB     00:00    
- CentOS Stream 9 - CRB                            34 kB/s |  14 kB     00:00    
- CentOS Stream 9 - Extras packages                29 kB/s |  17 kB     00:00    
- Metadata cache created.
2025-10-17 14:15.08 ---> saved as "76956b814776418fb9ec6a948a5a25c5e0c82435b1668b5f6fa5b8532fa8c5ba"

/home/opam: (run (shell "opam pin add -k version -yn orxgboost.1.0.1 1.0.1"))
orxgboost is now pinned to version 1.0.1
2025-10-17 14:15.08 ---> saved as "c7eb91850504b7fd7bb8ed173ed7849fffc645834ba5e2215d4deeca1c16f233"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall orxgboost.1.0.1;\
                        \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 \"\\\"centos-9\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'orxgboost.1.0.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
orxgboost.1.0.1 is not installed. Install it? [Y/n] y
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - orxgboost < 1.1.0 -> jbuilder -> ocaml < 5.0 -> dkml-base-compiler
    You can temporarily relax the switch invariant with `--update-invariant'
  * Incompatible packages:
    - (invariant) -> ocaml-base-compiler >= 5.4.0
    - orxgboost < 1.1.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants
  * Missing dependency:
    - orxgboost < 1.1.0 -> jbuilder -> dune < 2.0 -> ocaml < 4.12 -> ocaml-base-compiler (<= 3.07+1 | = 3.07+2 | = 3.08.0 | = 3.08.1 | = 3.08.2 | = 3.08.3 | = 3.08.4 | = 3.09.0) | ocaml-system (<= 3.07+1 | = 3.07+2 | >= 3.08.0) | ocaml-variants < 3.09.1~
    not available because the package is pinned to version 5.4.0
    unmet availability conditions, e.g. 'sys-ocaml-version = "5.4.0" & (os != "win32" | sys-ocaml-libc = "msvc")'
    no matching version
  * Missing dependency:
    - orxgboost < 1.1.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants -> ocaml-beta
    unmet availability conditions: 'enable-ocaml-beta-repository'
  * Missing dependency:
    - orxgboost < 1.1.0 -> jbuilder -> ocaml < 5.0 -> ocaml-variants -> system-msvc
    unmet availability conditions: 'os = "win32"'

No solution found, exiting
"/usr/bin/env" "bash" "-c" "opam reinstall orxgboost.1.0.1;
        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 "\"centos-9\""; then
            echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.";
          fi;
          test "$pkg" != 'orxgboost.1.0.1' && partial_fails="$partial_fails $pkg";
        done;
        test "${partial_fails}" != "" && echo "opam-repo-ci detected dependencies failing: ${partial_fails}";
        exit 1" failed with exit status 20
2025-10-17 14:15.37: Job failed: Failed: Build failed
2025-10-17 14:15.37: Log analysis:
2025-10-17 14:15.37: >>> 
No solution found, exiting
 (score = 100)
2025-10-17 14:15.37: [SKIP] Package not available