(for PR #29348)

2026-02-06 22:47.59: New job: build js_of_ocaml-ppx_deriving_json.6.3.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29348/head (0e395cdb6b7b8c4427b82124387c6a5b953d1ac5)
                              on opensuse-16.0-ocaml-4.14/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29348/head" && git reset --hard 0e395cdb
git fetch origin master
git merge --no-edit 340ee6fd1ff10d0fce25e21ba1caca9ed1cfec68
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn js_of_ocaml-ppx_deriving_json.6.3.0 6.3.0
RUN opam reinstall js_of_ocaml-ppx_deriving_json.6.3.0; \
    res=$?; \
    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 "\"opensuse-16.0\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'js_of_ocaml-ppx_deriving_json.6.3.0' && partial_fails="$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 .

2026-02-06 22:47.59: Using cache hint "ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e-js_of_ocaml-ppx_deriving_json.6.3.0-0e395cdb6b7b8c4427b82124387c6a5b953d1ac5"
2026-02-06 22:47.59: Using OBuilder spec:
((from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e)
 (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 js_of_ocaml-ppx_deriving_json.6.3.0 6.3.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall js_of_ocaml-ppx_deriving_json.6.3.0;\
             \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 \"\\\"opensuse-16.0\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'js_of_ocaml-ppx_deriving_json.6.3.0' && partial_fails=\"$partial_fails $pkg\";\
             \n        done;\
             \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
             \n        exit 1"))
)

2026-02-06 22:47.59: Waiting for resource in pool OCluster
2026-02-06 22:51.43: Waiting for worker…
2026-02-06 22:54.53: Got resource from pool OCluster
Building on eumache
All commits already cached
Updating files:  93% (18081/19359)
Updating files:  94% (18198/19359)
Updating files:  95% (18392/19359)
Updating files:  96% (18585/19359)
Updating files:  97% (18779/19359)
Updating files:  98% (18972/19359)
Updating files:  99% (19166/19359)
Updating files: 100% (19359/19359)
Updating files: 100% (19359/19359), done.
HEAD is now at 340ee6fd1f Merge pull request #29341 from Halbaroth/release-alt-ergo-free-2.4.3
Updating 340ee6fd1f..0e395cdb6b
Fast-forward
 .../js_of_ocaml-compiler.6.3.0/opam                | 57 +++++++++++++++++++++
 .../js_of_ocaml-lwt/js_of_ocaml-lwt.6.3.0/opam     | 47 ++++++++++++++++++
 .../js_of_ocaml-ppx/js_of_ocaml-ppx.6.3.0/opam     | 45 +++++++++++++++++
 .../js_of_ocaml-ppx_deriving_json.6.3.0/opam       | 45 +++++++++++++++++
 .../js_of_ocaml-toplevel.6.3.0/opam                | 47 ++++++++++++++++++
 .../js_of_ocaml-tyxml/js_of_ocaml-tyxml.6.3.0/opam | 48 ++++++++++++++++++
 packages/js_of_ocaml/js_of_ocaml.6.3.0/opam        | 45 +++++++++++++++++
 .../wasm_of_ocaml-compiler.6.3.0/opam              | 58 ++++++++++++++++++++++
 8 files changed, 392 insertions(+)
 create mode 100644 packages/js_of_ocaml-compiler/js_of_ocaml-compiler.6.3.0/opam
 create mode 100644 packages/js_of_ocaml-lwt/js_of_ocaml-lwt.6.3.0/opam
 create mode 100644 packages/js_of_ocaml-ppx/js_of_ocaml-ppx.6.3.0/opam
 create mode 100644 packages/js_of_ocaml-ppx_deriving_json/js_of_ocaml-ppx_deriving_json.6.3.0/opam
 create mode 100644 packages/js_of_ocaml-toplevel/js_of_ocaml-toplevel.6.3.0/opam
 create mode 100644 packages/js_of_ocaml-tyxml/js_of_ocaml-tyxml.6.3.0/opam
 create mode 100644 packages/js_of_ocaml/js_of_ocaml.6.3.0/opam
 create mode 100644 packages/wasm_of_ocaml-compiler/wasm_of_ocaml-compiler.6.3.0/opam

(from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e)
Unable to find image 'ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e' locally
docker.io/ocaml/opam@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e: Pulling from ocaml/opam
64cfa2a65095: Already exists
692f5537ba42: Already exists
43d4ccad78cf: Already exists
70070cd3c955: Already exists
ec78a4ac80e5: Already exists
eefb9793fafd: Already exists
4c43fcde2d96: Already exists
f8ebe3d69c53: Already exists
5701de31e7b4: Already exists
6f0d4e876bbd: Already exists
514a778e56ac: Already exists
6f18741b08bc: Already exists
b55a7ea2c456: Already exists
2feb3e941e06: Already exists
653f3a3f03c4: Already exists
c33d44c2fe4b: Already exists
4fea671b1885: Already exists
b9f264b7c21f: Already exists
6d5265cd7803: Already exists
4f4fb700ef54: Already exists
7d8fef25b78c: Already exists
6b0aa9646d3b: Already exists
10db3a3b9be6: Already exists
2d2da8b6b9b7: Already exists
1ec924573b5f: Already exists
6073c773f2c4: Already exists
bb3927dba7ec: Already exists
2fe1303967bb: Already exists
8f6ca5296dbb: Already exists
a3cfb92e75bb: Already exists
a8021b72a568: Already exists
1ec42febf652: Already exists
0038dbe360a5: Already exists
bfd6a5b48206: Already exists
be1a69b37d73: Already exists
40f8370e587a: Already exists
6d3c0f72be1a: Already exists
0be1b28a2ddd: Already exists
76fb2f3d7329: Already exists
590c9d200caf: Already exists
46aaa3699a54: Already exists
28d7b8a3b574: Already exists
Digest: sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e
Status: Downloaded newer image for ocaml/opam@sha256:ffe75b682b443089bc151824e4644eff90e337bce48d32d17193a602d75e374e
2026-02-06 22:55.16 ---> saved as "12b34efe7e45df9288224f66ec04bf106868f7a7f36c6e972650067e1b0c95c6"

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-06 22:55.16 ---> saved as "4fc4ca82dbb394c33879ae9f2c702682db5874f70ffe090b191ddc0954f2d408"

/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
[NOTE] The 'jobs' option was reset, its value was 255 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=255 --global
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-02-06 22:55.51 ---> saved as "2de300c7cb39e17e039f4b7d94f906cdeab73d56695fefd6e424f88216333664"

/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=opensuse-leap os-version=16.0
# 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
2026-02-06 22:55.53 ---> saved as "982a9ec04287cdf64e884e5c825fe6bd1cce900fcda4d97d6c6306df368f205d"

/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/"))
2026-02-06 22:56.05 ---> saved as "379b74027ea14ed463407446f5b06abab0a82bd9828b096146a3445a820cd162"

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-06 22:56.13 ---> saved as "1b6fa6a73221dca1ef22e6cd490bea52a1794fcd77cc6ca34f297b652e48b2d6"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-06 22:56.37 ---> saved as "7f5a65e93645c66229bf99319e16f6640de086436f796a5a97b80501f9d5c51f"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "zypper" "--non-interactive" "refresh"
- Repository 'repo-openh264 (16.0)' is up to date.
- Retrieving repository 'repo-oss (16.0)' metadata [..
- Looking for gpg keys in repository repo-oss (16.0).
-   gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key
- ..
- 
- Note: Received 1 new package signing key from repository "repo-oss (16.0)":
- 
-   Those additional keys are usually used to sign packages shipped by the repository. In order to
-   validate those packages upon download and installation the new keys will be imported into the rpm
-   database.
- 
-   New:
-   Key Fingerprint:  F044 C2C5 07A1 262B 538A AADD 8A49 EB03 25DB 7AE0
-   Key Name:         openSUSE:Backports OBS Project <openSUSE:Backports@build.opensuse.org>
-   Key Algorithm:    RSA 4096
-   Key Created:      Wed May 10 14:46:12 2023
-   Key Expires:      Sun May  9 14:46:12 2027
-   Rpm Name:         gpg-pubkey-25db7ae0-645bae34
- 
-   The repository metadata introducing the new keys have been signed and validated by the trusted
-   key:
- 
-   Repository:       repo-oss (16.0)
-   Key Fingerprint:  AD48 5664 E901 B867 051A B15F 35A2 F86E 29B7 00A4
-   Key Name:         openSUSE Project Signing Key <opensuse@opensuse.org>
-   Key Algorithm:    RSA 4096
-   Key Created:      Mon Jun 20 14:03:14 2022
-   Key Expires:      Fri Jun 19 14:03:14 2026
-   Rpm Name:         gpg-pubkey-29b700a4-62b07e22
- 
- .
- .......
- ..........
- .done]
- Building repository 'repo-oss (16.0)' cache [..
- ..done]
- All repositories have been refreshed.
2026-02-06 22:56.50 ---> saved as "c8932e7318d9675a9599a0a80cb17bd54fdaafbc6263aa48b0d909c4a8a99b72"

/home/opam: (run (shell "opam pin add -k version -yn js_of_ocaml-ppx_deriving_json.6.3.0 6.3.0"))
js_of_ocaml-ppx_deriving_json is now pinned to version 6.3.0
2026-02-06 22:56.52 ---> saved as "b081419ce178d9f33ff6e38bc0f73cb9f4e3d32caff06cf725a255fe686996a7"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall js_of_ocaml-ppx_deriving_json.6.3.0;\
                        \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 \"\\\"opensuse-16.0\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'js_of_ocaml-ppx_deriving_json.6.3.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
js_of_ocaml-ppx_deriving_json.6.3.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 19 packages
  - install cmdliner                      2.1.0          [required by js_of_ocaml-compiler]
  - install dune                          3.21.0         [required by js_of_ocaml-ppx_deriving_json]
  - install gen                           1.1            [required by sedlex]
  - install js_of_ocaml                   6.3.0          [required by js_of_ocaml-ppx_deriving_json]
  - install js_of_ocaml-compiler          6.3.0          [required by js_of_ocaml]
  - install js_of_ocaml-ppx_deriving_json 6.3.0 (pinned)
  - install menhir                        20260203       [required by js_of_ocaml-compiler]
  - install menhirCST                     20260203       [required by menhir]
  - install menhirGLR                     20260203       [required by menhir]
  - install menhirLib                     20260203       [required by js_of_ocaml-compiler]
  - install menhirSdk                     20260203       [required by js_of_ocaml-compiler]
  - install ocaml-compiler-libs           v0.12.4        [required by js_of_ocaml-compiler]
  - install ppx_derivers                  1.2.1          [required by ppxlib]
  - install ppxlib                        0.37.0         [required by js_of_ocaml-ppx_deriving_json]
  - install sedlex                        3.7            [required by js_of_ocaml-compiler]
  - install seq                           base           [required by gen]
  - install sexplib0                      v0.17.0        [required by ppxlib]
  - install stdlib-shims                  0.3.0          [required by ppxlib]
  - install yojson                        3.0.0          [required by js_of_ocaml-compiler]

<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved dune.3.21.0  (cached)
-> retrieved gen.1.1  (cached)
-> retrieved js_of_ocaml.6.3.0, js_of_ocaml-compiler.6.3.0, js_of_ocaml-ppx_deriving_json.6.3.0  (cached)
-> installed cmdliner.2.1.0
-> retrieved menhir.20260203, menhirCST.20260203, menhirGLR.20260203, menhirLib.20260203, menhirSdk.20260203  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppxlib.0.37.0  (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 yojson.3.0.0  (cached)
-> installed dune.3.21.0
-> installed menhirCST.20260203
-> installed ppx_derivers.1.2.1
-> installed stdlib-shims.0.3.0
-> installed gen.1.1
-> installed menhirGLR.20260203
-> installed menhirLib.20260203
-> installed sexplib0.v0.17.0
-> installed menhirSdk.20260203
-> installed ocaml-compiler-libs.v0.12.4
-> installed yojson.3.0.0
-> installed menhir.20260203
-> installed ppxlib.0.37.0
-> installed sedlex.3.7
-> installed js_of_ocaml-compiler.6.3.0
-> installed js_of_ocaml.6.3.0
-> installed js_of_ocaml-ppx_deriving_json.6.3.0
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-06 22:59.04 ---> saved as "a3ca3b6da777b4a65c2571774924a27340629979e19617d45a45ab450cbb91ca"
Job succeeded
2026-02-06 22:59.09: Job succeeded