(for PR #29348)

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

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29348/head" && git reset --hard 0e395cdb
git fetch origin master
git merge --no-edit 340ee6fd1ff10d0fce25e21ba1caca9ed1cfec68
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-unstable-ocaml-4.14@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn js_of_ocaml-compiler.6.3.0 6.3.0
RUN opam reinstall js_of_ocaml-compiler.6.3.0; \
    res=$?; \
    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 "\"debian-unstable\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'js_of_ocaml-compiler.6.3.0' && partial_fails="$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:debian-unstable-ocaml-4.14@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773-js_of_ocaml-compiler.6.3.0-0e395cdb6b7b8c4427b82124387c6a5b953d1ac5"
2026-02-06 22:47.59: Using OBuilder spec:
((from ocaml/opam:debian-unstable-ocaml-4.14@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773)
 (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-compiler.6.3.0 6.3.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall js_of_ocaml-compiler.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 \"\\\"debian-unstable\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'js_of_ocaml-compiler.6.3.0' && partial_fails=\"$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 22:52.55: Waiting for worker…
2026-02-06 22:55.55: Got resource from pool OCluster
Building on eumache
All commits already cached
Updating files:  95% (18505/19359)
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:debian-unstable-ocaml-4.14@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773)
Unable to find image 'ocaml/opam:debian-unstable-ocaml-4.14@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773' locally
docker.io/ocaml/opam@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773: Pulling from ocaml/opam
8e36c1fbb8f9: Already exists
497d281dff8f: Already exists
1336f5ee1864: Already exists
18928a5bcc82: Already exists
7378e61c2409: Already exists
2839b2c47c5d: Already exists
4646204f5187: Already exists
a1ca9a1247f2: Already exists
3eb69a19fdca: Already exists
36b63b0f34ad: Already exists
206bac06281b: Already exists
9b55ac1f8d06: Already exists
b7ed43a82e6d: Already exists
71c2e07c5bdb: Already exists
ddf67ac6de6e: Already exists
c46ae1fc9026: Already exists
6ff56b737f83: Already exists
e7b100c4a5e6: Already exists
6ce8488bc607: Already exists
a5e8881b2f62: Already exists
b703d3920198: Already exists
e15fa12414c6: Already exists
4f4fb700ef54: Already exists
04dfb9d1939a: Already exists
d35acb3c5bac: Already exists
8554de9fa684: Already exists
6e5d09b42c5b: Already exists
d6ac3d1ef8cd: Already exists
eb19663ed618: Already exists
ceab74aa55c4: Already exists
1ca4c81d84df: Already exists
9cc63b1bba75: Already exists
838fc72dbf2d: Already exists
aa1acc2a2958: Already exists
7c77beb87bdb: Already exists
eac597a4deb1: Already exists
5fc6b8467d53: Already exists
08d6647ea74d: Already exists
72e3a65bb925: Already exists
6ece34357086: Already exists
a7981cc1c280: Already exists
58ea6e1018f2: Already exists
646e9634b7fa: Already exists
36461d4b9c86: Already exists
a5cf594feb00: Already exists
Digest: sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773
Status: Downloaded newer image for ocaml/opam@sha256:e373c07858ba1145c0b65733d0caf48ac083ef3e33ab8a8cffc31954dce84773
2026-02-06 22:55.58 ---> using "0ad87f2f47e550382ea3634ea579ab958a4123457fed48ecee4bee0bf2d6c3c2" from cache

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

/: (workdir /home/opam)

/home/opam: (run (shell "sudo ln -f /usr/bin/opam-dev /usr/bin/opam"))
2026-02-06 22:55.58 ---> using "ff16b7373aded1c4fa5f214dc408d0633a17a101dc99609c6caea8f223f94452" 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
[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 22:55.58 ---> using "40e35087c5bdf7d454044c0f2b6f9b74a86d24b312f1b7ec9e7dd8000b8c5242" 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         2.5.0
# self-upgrade         no
# system               arch=x86_64 os=linux os-distribution=debian os-version=unknown
# 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 22:55.58 ---> using "21415f5b718cbd2367e53fd7c4e485266a53d944edd282b2aba7ee0e6d2fd336" 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/"))
2026-02-06 22:55.58 ---> using "7f6fa1e1fdcaa016ec3f3b57a707b325448ccc31a5a7874eb15090a7580742bd" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-06 22:56.10 ---> saved as "405313be55de558b2694733d3045a3152518472d4903ca784d69e41bc2222b6e"

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-06 22:56.34 ---> saved as "c24708d01780228f68960b9b245e00e464e9e591ac999df2e0c637c3663c11ad"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://deb.debian.org/debian unstable InRelease [187 kB]
- Get:2 http://deb.debian.org/debian unstable/main amd64 Packages.diff/Index [63.6 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2026-02-06-2003.43-F-2026-01-30-2002.22.pdiff [492 kB]
- Get:3 http://deb.debian.org/debian unstable/main amd64 Packages T-2026-02-06-2003.43-F-2026-01-30-2002.22.pdiff [492 kB]
- Fetched 742 kB in 3s (258 kB/s)
- Reading package lists...
- 
2026-02-06 22:56.38 ---> saved as "d210ec72fc1c2db4fcce670d5585caa61b3710ea23e6e2027844285f5cd6cf2e"

/home/opam: (run (shell "opam pin add -k version -yn js_of_ocaml-compiler.6.3.0 6.3.0"))
js_of_ocaml-compiler is now pinned to version 6.3.0
2026-02-06 22:56.39 ---> saved as "4b232952327cbb61d74ca77fa386726847b89bc76f314f56be40a2e92a1b3ab9"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall js_of_ocaml-compiler.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 \"\\\"debian-unstable\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'js_of_ocaml-compiler.6.3.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
js_of_ocaml-compiler.6.3.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 17 packages
  - install cmdliner             2.1.0          [required by js_of_ocaml-compiler]
  - install dune                 3.21.0         [required by js_of_ocaml-compiler]
  - install gen                  1.1            [required by sedlex]
  - install js_of_ocaml-compiler 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-compiler]
  - 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-compiler.6.3.0  (cached)
-> retrieved menhir.20260203, menhirCST.20260203, menhirGLR.20260203, menhirLib.20260203, menhirSdk.20260203  (cached)
-> installed cmdliner.2.1.0
-> 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 menhirSdk.20260203
-> installed sexplib0.v0.17.0
-> 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
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-06 22:58.22 ---> saved as "5104ed4828af51fb5c166a34fbfbc57d8fcef5143707c8dec3597dadd446279d"
Job succeeded
2026-02-06 22:58.26: Job succeeded