(for PR #29929)

2026-05-20 11:19.40: New job: build embedded_ocaml_templates.0.8.1, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29929/head (9002fdb7d59fe104e77fb515ef69be1381d12a14)
                              on debian-13-ocaml-4.14/arm64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29929/head" && git reset --hard 9002fdb7
git fetch origin master
git merge --no-edit 64a847a29e96527a72f3e45822610f25e7ad0a40
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn embedded_ocaml_templates.0.8.1 0.8.1
RUN opam reinstall embedded_ocaml_templates.0.8.1; \
    res=$?; \
    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 "\"debian-13\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'embedded_ocaml_templates.0.8.1' && partial_fails="$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 .

2026-05-20 11:19.40: Using cache hint "ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056-embedded_ocaml_templates.0.8.1-9002fdb7d59fe104e77fb515ef69be1381d12a14"
2026-05-20 11:19.40: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056)
 (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 embedded_ocaml_templates.0.8.1 0.8.1"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall embedded_ocaml_templates.0.8.1;\
             \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 \"\\\"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 \"$pkg\" != 'embedded_ocaml_templates.0.8.1' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-05-20 11:19.40: Waiting for resource in pool OCluster
2026-05-20 11:19.42: Waiting for worker…
2026-05-20 11:19.42: Got resource from pool OCluster
Building on molpadia.caelum.ci.dev
Updating files:  78% (14118/17925)
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Updating files: 100% (17925/17925)
Updating files: 100% (17925/17925), done.
HEAD is now at c83e83cd19 Use unprefixed 8.4.0 release URL
HEAD is now at 64a847a29e Merge pull request #29924 from jmid/add-dune-3.23.0-ocaml-bound
Updating 64a847a29e..9002fdb7d5
Fast-forward
 .../embedded_ocaml_templates.0.8.1/opam            | 49 ++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 packages/embedded_ocaml_templates/embedded_ocaml_templates.0.8.1/opam

(from ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056' locally
docker.io/ocaml/opam@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056: Pulling from ocaml/opam
b5d74b688654: Already exists
8def289674c7: Already exists
3f5b6de22081: Already exists
d04aa3e06848: Already exists
2cdb55ec25b9: Already exists
a3923fbca8fd: Already exists
03b7099b3b94: Already exists
41eaab41c59e: Already exists
b86d15fbb118: Already exists
4236d1b396cc: Already exists
8d5040993690: Already exists
6d8bc2a28391: Already exists
145054d23e97: Already exists
3572c673da6f: Already exists
7fbe4347c7f4: Already exists
a0d383bc19c5: Already exists
a0d383bc19c5: Already exists
7f57caed5f3a: Already exists
f3046138ccb9: Already exists
153ad0029a60: Already exists
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4f4fb700ef54: Already exists
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8709ef0a116a: Already exists
1db6e6e7eb3e: Already exists
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a5d1595229f6: Already exists
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85d00faf7a94: Already exists
e01ef1869451: Already exists
14f0723dfba6: Already exists
ec09277dc869: Already exists
d0b1aa354649: Already exists
7a74960bd053: Already exists
62b505a0e0fe: Already exists
5137a98d933d: Pulling fs layer
a1571589be5d: Pulling fs layer
b89d9dddfe2a: Pulling fs layer
2b249f36454b: Pulling fs layer
2b249f36454b: Waiting
b89d9dddfe2a: Verifying Checksum
b89d9dddfe2a: Download complete
a1571589be5d: Download complete
2b249f36454b: Download complete
5137a98d933d: Verifying Checksum
5137a98d933d: Download complete
5137a98d933d: Pull complete
a1571589be5d: Pull complete
b89d9dddfe2a: Pull complete
2b249f36454b: Pull complete
Digest: sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056
Status: Downloaded newer image for ocaml/opam@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056
2026-05-20 11:19.45 ---> using "b65c2b2aebc587477d087942a661688674b53684e6d7286b5e371254328a6bef" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-05-20 11:19.45 ---> using "9d3fb834f77b095cb6a908a003d39928db18c3190914c4241c825c10f4b99d06" 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 2.1 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:///home/opam/opam-repository
2026-05-20 11:19.45 ---> using "a14d9ef379dd2eec95e26f3075066be017e6c173316d2f1f27177b5138ff96a9" 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         2.5.1
# self-upgrade         no
# system               arch=arm64 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                 79
# repositories         1 (version-controlled)
# pinned               1 (version)
# current-switch       4.14
# invariant            ["ocaml-base-compiler" {= "4.14.3"}]
# compiler-packages    ocaml-base-compiler.4.14.3, 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       4.14.3
2026-05-20 11:19.45 ---> using "62bd5d113c4b88005d1b9830946da7c4c3d4de8f263cf19599710c4d5bd490a7" 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/"))
2026-05-20 11:19.45 ---> using "806b72826bac298a365ff7a185e9bbe0b51f1592e186841c561e7487e73698e3" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-05-20 11:19.54 ---> saved as "26a54279fc90d33b323fdcad915a549ca83184e2869ec84416bb66610b5cac6e"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-05-20 11:20.06 ---> saved as "14d0f9530a7da48a8630f18072cd07219d1a63cee14cc9da2da89c461e6e179b"

/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 arm64 Packages [9608 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [165 kB]
- Fetched 10.0 MB in 2s (4060 kB/s)
- Reading package lists...
- 
2026-05-20 11:20.10 ---> saved as "717a1bac63668b54e97513e1dd21ded32b24dc2a066ee6b896efd5e175810357"

/home/opam: (run (shell "opam pin add -k version -yn embedded_ocaml_templates.0.8.1 0.8.1"))
embedded_ocaml_templates is now pinned to version 0.8.1
2026-05-20 11:20.10 ---> saved as "b3fd9d13bcf85d04f8f3fb229742a9efd5f9c1afcfb1f5d4f83eb2b047dfc34d"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall embedded_ocaml_templates.0.8.1;\
                        \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 \"\\\"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 \"$pkg\" != 'embedded_ocaml_templates.0.8.1' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
embedded_ocaml_templates.0.8.1 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 19 packages
  - install containers               3.18           [required by embedded_ocaml_templates]
  - install csexp                    1.5.2          [required by dune-configurator]
  - install dune                     3.23.1         [required by embedded_ocaml_templates]
  - install dune-configurator        3.23.1         [required by containers]
  - install either                   1.0.0          [required by containers]
  - install embedded_ocaml_templates 0.8.1 (pinned)
  - install gen                      1.1            [required by sedlex]
  - install ocaml-compiler-libs      v0.12.4        [required by ppxlib]
  - install ocamlbuild               0.16.1         [required by uutf]
  - install ocamlfind                1.9.8          [required by uutf]
  - install pprint                   20230830       [required by embedded_ocaml_templates]
  - install ppx_derivers             1.2.1          [required by ppxlib]
  - install ppxlib                   0.38.0         [required by embedded_ocaml_templates]
  - install sedlex                   3.7            [required by embedded_ocaml_templates]
  - install seq                      base           [required by gen]
  - install sexplib0                 v0.17.0        [required by ppxlib]
  - install stdlib-shims             0.3.0          [required by ppxlib]
  - install topkg                    1.1.1          [required by uutf]
  - install uutf                     1.0.4          [required by embedded_ocaml_templates]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved containers.3.18  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.23.1, dune-configurator.3.23.1  (cached)
-> retrieved either.1.0.0  (cached)
-> retrieved embedded_ocaml_templates.0.8.1  (https://github.com/EmileTrotignon/embedded_ocaml_templates/archive/refs/tags/0.8.1.tar.gz)
-> retrieved gen.1.1  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved pprint.20230830  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppxlib.0.38.0  (cached)
-> retrieved sedlex.3.7  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved uutf.1.0.4  (cached)
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed uutf.1.0.4
-> installed dune.3.23.1
-> installed either.1.0.0
-> installed csexp.1.5.2
-> installed gen.1.1
-> installed ocaml-compiler-libs.v0.12.4
-> installed pprint.20230830
-> installed ppx_derivers.1.2.1
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed dune-configurator.3.23.1
-> installed containers.3.18
-> installed ppxlib.0.38.0
-> installed sedlex.3.7
-> installed embedded_ocaml_templates.0.8.1
Done.
# To update the current shell environment, run: eval $(opam env)
2026-05-20 11:21.15 ---> saved as "59daea442340730c5e804ac456bd153ef9c54a4ece63e8080fb8c21238642724"
Job succeeded
2026-05-20 11:21.25: Job succeeded