(for PR #29582)

2026-03-25 08:40.02: New job: build ocaml-compiler.5.4.0~beta2, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29582/head (fa5fb3a6a806e832e4c7791145889a6bbe8b64ef)
                              on debian-13-ocaml-4.14-no-flat-float-array/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29582/head" && git reset --hard fa5fb3a6
git fetch origin master
git merge --no-edit 7216d2e0eb5d8d116434228a0b19a267b98e8510
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14-no-flat-float-array@sha256:1db6e5806fac859213f9f1cb70c4ac7b088fde634f25789d9526b3a98c445bcd
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn ocaml-compiler.5.4.0~beta2 5.4.0~beta2
RUN opam reinstall --update-invariant ocaml-compiler.5.4.0~beta2; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'ocaml-compiler.5.4.0~beta2' && partial_fails="$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 08:40.02: Using cache hint "ocaml/opam:debian-13-ocaml-4.14-no-flat-float-array@sha256:1db6e5806fac859213f9f1cb70c4ac7b088fde634f25789d9526b3a98c445bcd-ocaml-compiler.5.4.0~beta2-fa5fb3a6a806e832e4c7791145889a6bbe8b64ef"
2026-03-25 08:40.02: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14-no-flat-float-array@sha256:1db6e5806fac859213f9f1cb70c4ac7b088fde634f25789d9526b3a98c445bcd)
 (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.5.4.0~beta2 5.4.0~beta2"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall --update-invariant ocaml-compiler.5.4.0~beta2;\
             \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 \"\\\"debian-13\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'ocaml-compiler.5.4.0~beta2' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-03-25 08:40.02: Waiting for resource in pool OCluster
2026-03-25 09:17.37: Waiting for worker…
2026-03-25 09:21.25: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
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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:debian-13-ocaml-4.14-no-flat-float-array@sha256:1db6e5806fac859213f9f1cb70c4ac7b088fde634f25789d9526b3a98c445bcd)
2026-03-25 09:21.55 ---> saved as "ca5f2e39680d0573c4b9ecaba831847feafb5bce2f502a2fc76f8bfce0fd0930"

/: (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 09:21.55 ---> saved as "41159fa85e781521f96658a9e2f0464141b79e5054491c813af3a30d973c4434"

/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
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.

Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-03-25 09:22.25 ---> saved as "d096459fab1613c61de046d98d9b6118dd727daf044458cdd28bb05fdcb30273"

/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=debian os-version=13
# 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-options-only-no-flat-float-array"]
# compiler-packages    ocaml-option-no-flat-float-array.1, ocaml-options-only-no-flat-float-array.1, ocaml-variants.4.14.2+options
# 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+options+no-flat-float-array
2026-03-25 09:22.26 ---> saved as "f6553ec57ec39724d276ff987208db4f56a1e3958be6abffb0d271040b32d82e"

/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 09:22.39 ---> saved as "bd27a931229fd2ca5c973d6fe61204d6451d2cc9a20b4cf0f72491910fa14b85"

/home/opam: (copy (src .) (dst opam-repository/))
2026-03-25 09:23.02 ---> saved as "ddd70553af04debe119d449e85825fa2c1eed04dd9c8d2f81dd7bff3fa9b52ca"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-03-25 09:23.27 ---> saved as "4d218bdf768e633f66b5888c1f20453e2b006ba4592170d50b69b88c2d0b20cc"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]
- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]
- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]
- Get:4 http://deb.debian.org/debian trixie/main amd64 Packages [9671 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [114 kB]
- Fetched 10.0 MB in 1s (7281 kB/s)
- Reading package lists...
- 
2026-03-25 09:23.30 ---> saved as "356881ab55a13bdbf7e6789989350d6b6277d6cc4a1d7e142df43090f739c0cc"

/home/opam: (run (shell "opam pin add -k version -yn ocaml-compiler.5.4.0~beta2 5.4.0~beta2"))
ocaml-compiler is now pinned to version 5.4.0~beta2
2026-03-25 09:23.31 ---> saved as "12f2dce66c8cafdc7f8a9b409a19b9036b9e4b1d066f2dcc87f2f26ea3707277"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall --update-invariant ocaml-compiler.5.4.0~beta2;\
                        \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 \"\\\"debian-13\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'ocaml-compiler.5.4.0~beta2' && partial_fails=\"$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~beta2 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== remove 3 packages
  - remove    ocaml-option-no-flat-float-array       1                       [conflicts with ocaml-compiler]
  - remove    ocaml-options-only-no-flat-float-array 1                       [uses ocaml-option-no-flat-float-array]
  - remove    ocaml-variants                         4.14.2+options (pinned) [uses ocaml-option-no-flat-float-array]
=== recompile 1 package
  - recompile opam-depext                            1.2.3                   [uses ocaml]
=== upgrade 2 packages
  - upgrade   ocaml                                  4.14.2 to 5.4.0         [uses ocaml-config]
  - upgrade   ocaml-config                           2 to 3
=== install 6 packages
  - install   base-domains                           base
  - install   base-effects                           base
  - install   base-nnp                               base
  - install   ocaml-base-compiler                    5.4.0~beta2             [required by ocaml-config]
  - install   ocaml-compiler                         5.4.0~beta2 (pinned)
  - install   ocaml-options-vanilla                  1

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> removed   ocaml-options-only-no-flat-float-array.1
-> retrieved ocaml-compiler.5.4.0~beta2  (cached)
-> 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-variants.4.14.2+options
-> removed   ocaml-option-no-flat-float-array.1
-> installed ocaml-options-vanilla.1
-> installed ocaml-compiler.5.4.0~beta2
-> installed ocaml-base-compiler.5.4.0~beta2
-> installed ocaml-config.3
-> installed ocaml.5.4.0
-> installed base-domains.base
-> installed base-effects.base
-> installed base-nnp.base
-> installed opam-depext.1.2.3
[NOTE] Switch invariant was updated to <empty>
       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 09:28.08 ---> saved as "07a1e307582229a18543758b4d150d9743b076066f502371e509438dee41684c"
Job succeeded
2026-03-25 09:28.21: Job succeeded