(for PR #29582)

2026-03-25 08:39.59: New job: build ocaml-compiler.5.3, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29582/head (fa5fb3a6a806e832e4c7791145889a6bbe8b64ef)
                              on centos-10-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29582/head" && git reset --hard fa5fb3a6
git fetch origin master
git merge --no-edit 7216d2e0eb5d8d116434228a0b19a267b98e8510
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:centos-10-ocaml-4.14@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-compiler.5.3 5.3
RUN opam reinstall --update-invariant ocaml-compiler.5.3; \
    res=$?; \
    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-10\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml-compiler.5.3' && partial_fails="$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 .

2026-03-25 08:39.59: Using cache hint "ocaml/opam:centos-10-ocaml-4.14@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35-ocaml-compiler.5.3-fa5fb3a6a806e832e4c7791145889a6bbe8b64ef"
2026-03-25 08:39.59: Using OBuilder spec:
((from ocaml/opam:centos-10-ocaml-4.14@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35)
 (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 ocaml-compiler.5.3 5.3"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall --update-invariant ocaml-compiler.5.3;\
             \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-10\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml-compiler.5.3' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-25 08:39.59: Waiting for resource in pool OCluster
2026-03-25 09:03.57: Waiting for worker…
2026-03-25 09:07.30: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
All commits already cached
Updating files:  90% (16743/18517)
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Updating files: 100% (18517/18517)
Updating files: 100% (18517/18517), done.
HEAD is now at 7216d2e0eb Merge pull request #29593 from arvidj/aj/avoid-passage-0-3-2-3
Merge made by the 'ort' strategy.
Auto packing the repository in the background for optimum performance.
See "git help gc" for manual housekeeping.
warning: The last gc run reported the following. Please correct the root cause
and remove .git/gc.log
Automatic cleanup will not be performed until the file is removed.

warning: There are too many unreachable loose objects; run 'git prune' to remove them.

 packages/ocaml-compiler/ocaml-compiler.5.3.0/opam      |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.3/opam        |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4.0/opam      |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.4.0~alpha1/opam    |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.4.0~beta1/opam     |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.4.0~beta2/opam     |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4.0~rc1/opam  |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4.1/opam      |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.4/opam        |  5 ++++-
 .../ocaml-compiler/ocaml-compiler.5.5.0~alpha1/opam    |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.5/opam        |  5 ++++-
 packages/ocaml-compiler/ocaml-compiler.5.6/opam        |  5 ++++-
 packages/ocaml-option-llvm/ocaml-option-llvm.1/opam    | 18 ++++++++++++++++++
 .../ocaml-options-vanilla/ocaml-options-vanilla.1/opam |  1 +
 packages/ocaml-variants/ocaml-variants.5.2.0+msvc/opam |  2 ++
 15 files changed, 69 insertions(+), 12 deletions(-)
 create mode 100644 packages/ocaml-option-llvm/ocaml-option-llvm.1/opam

(from ocaml/opam:centos-10-ocaml-4.14@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35)
Unable to find image 'ocaml/opam:centos-10-ocaml-4.14@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35' locally
docker.io/ocaml/opam@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35: Pulling from ocaml/opam
4e806b740055: Already exists
9f0313c05574: Pulling fs layer
cfc974a04e99: Pulling fs layer
327cda242932: Pulling fs layer
13c18a97b97e: Pulling fs layer
13c18a97b97e: Waiting
327cda242932: Download complete
cfc974a04e99: Verifying Checksum
cfc974a04e99: Download complete
13c18a97b97e: Download complete
9f0313c05574: Verifying Checksum
9f0313c05574: Download complete
9f0313c05574: Pull complete
cfc974a04e99: Pull complete
327cda242932: Pull complete
13c18a97b97e: Pull complete
Digest: sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35
Status: Downloaded newer image for ocaml/opam@sha256:dfe5b53267cc0bfa1b24eca00a64d446175bc9049f1f3d3e67a4fcfbd65eef35
2026-03-25 09:08.53 ---> saved as "4c39fdf3b98e44925aa4403e65f325c3e6e594462a0ba3504b46702c7962a45f"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-03-25 09:08.54 ---> saved as "32942d7caad7c05445a6233a34a922812f5dec3b230c436bbee63f24f25e1f38"

/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.

Continue? [Y/n] y
Format upgrade done.
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.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-25 09:09.33 ---> saved as "e88434e2bf3cccbe472078653f6121c639775836065b4cb068bf28357c732543"

/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=centos os-version=10
# 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
2026-03-25 09:09.34 ---> saved as "e34446de07615e7dbdc42c759cdd7087c748b43e7703fb43d44ec63559b6b837"

/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/"))
2026-03-25 09:09.44 ---> saved as "374cc3498a46b1f2785d694d8821911e9b285ee701cb852e0c8194a4e10a6c93"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-25 09:09.59 ---> saved as "17933cb560e5732740e91980d0ded5fcb368ae097b331a1bbf0221116064c904"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-25 09:10.23 ---> saved as "b2b8057248cfb7b8310039b76ceb583af318ec572784e59544b761bb06715fe6"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "yum" "makecache"
- CentOS Stream 10 - BaseOS                        59 kB/s |  15 kB     00:00    
- CentOS Stream 10 - BaseOS                       7.9 MB/s | 6.9 MB     00:00    
- CentOS Stream 10 - AppStream                    111 kB/s |  15 kB     00:00    
- CentOS Stream 10 - AppStream                    7.4 MB/s | 3.6 MB     00:00    
- CentOS Stream 10 - CRB                          114 kB/s |  15 kB     00:00    
- CentOS Stream 10 - CRB                          1.6 MB/s | 831 kB     00:00    
- CentOS Stream 10 - Extras packages               98 kB/s |  15 kB     00:00    
- CentOS Stream 10 - Extras packages               28 kB/s |  10 kB     00:00    
- Metadata cache created.
2026-03-25 09:10.33 ---> saved as "16b4ce4b414bfe781da016aea3e29037f558f0c858410b3f71776cbe888e20d8"

/home/opam: (run (shell "opam pin add -k version -yn ocaml-compiler.5.3 5.3"))
ocaml-compiler is now pinned to version 5.3
2026-03-25 09:10.34 ---> saved as "713005b4baba9553608d7b3c5885395f3b16dae4abfb72480e8698f63be879eb"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall --update-invariant ocaml-compiler.5.3;\
                        \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-10\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ocaml-compiler.5.3' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))

<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>

ocaml-compiler.5.3 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== remove 1 package
  - remove    ocaml-base-compiler 4.14.2 (pinned) [conflicts with ocaml-variants]
=== recompile 1 package
  - recompile opam-depext         1.2.3           [uses ocaml]
=== upgrade 2 packages
  - upgrade   ocaml               4.14.2 to 5.3.1 [uses ocaml-config]
  - upgrade   ocaml-config        2 to 3
=== install 7 packages
  - install   base-domains        base
  - install   base-effects        base
  - install   base-nnp            base
  - install   host-arch-x86_64    1
  - install   host-system-other   1
  - install   ocaml-compiler      5.3 (pinned)
  - install   ocaml-variants      5.3.1+trunk     [required by ocaml-config]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> installed host-arch-x86_64.1
-> installed host-system-other.1
-> retrieved ocaml-compiler.5.3  (https://github.com/ocaml/ocaml/archive/5.3.tar.gz)
-> retrieved ocaml-config.3  (cached)
-> retrieved opam-depext.1.2.3  (cached)
-> removed   opam-depext.1.2.3
-> removed   ocaml.4.14.2
-> removed   ocaml-config.2
-> removed   ocaml-base-compiler.4.14.2
-> installed ocaml-compiler.5.3
-> installed ocaml-variants.5.3.1+trunk
-> installed ocaml-config.3
-> installed ocaml.5.3.1
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
-> installed opam-depext.1.2.3
[NOTE] Switch invariant was updated to ["ocaml-variants" {= "5.3.1+trunk"}]
       Use `opam switch set-invariant' to change it.
Done.

<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>
=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead
# To update the current shell environment, run: eval $(opam env)
2026-03-25 09:14.22 ---> saved as "2c756ffbe456906cf1c9df35d94c70dba216bae5ecbdc6ef4e39269ecb7b1dd6"
Job succeeded
2026-03-25 09:14.31: Job succeeded