(for PR #29348)

2026-02-06 22:47.59: New job: build js_of_ocaml-lwt.6.3.0, using opam dev
                              from https://github.com/ocaml/opam-repository.git#refs/pull/29348/head (0e395cdb6b7b8c4427b82124387c6a5b953d1ac5)
                              on fedora-42-ocaml-5.4/amd64

To reproduce locally:

cd $(mktemp -d)
git clone --recursive "https://github.com/ocaml/opam-repository.git" && cd "opam-repository" && git fetch origin "refs/pull/29348/head" && git reset --hard 0e395cdb
git fetch origin master
git merge --no-edit 340ee6fd1ff10d0fce25e21ba1caca9ed1cfec68
cat > ../Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:fedora-42-ocaml-5.4@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22
USER 1000:1000
WORKDIR /home/opam
RUN sudo ln -f /usr/bin/opam-dev /usr/bin/opam
RUN opam init --reinit -ni
RUN opam option solver=builtin-0install && opam config report
ENV OPAMDOWNLOADJOBS="1"
ENV OPAMERRLOGLEN="0"
ENV OPAMPRECISETRACKING="1"
ENV CI="true"
ENV OPAM_REPO_CI="true"
RUN rm -rf opam-repository/
COPY --chown=1000:1000 . opam-repository/
RUN opam repository set-url --strict default opam-repository/
RUN opam update --depexts || true
RUN opam pin add -k version -yn js_of_ocaml-lwt.6.3.0 6.3.0
RUN opam reinstall js_of_ocaml-lwt.6.3.0; \
    res=$?; \
    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 "\"fedora-42\""; then \
    echo "A package failed and has been disabled for CI using the 'x-ci-accept-failures' field."; \
    fi; \
    test "$pkg" != 'js_of_ocaml-lwt.6.3.0' && partial_fails="$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:fedora-42-ocaml-5.4@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22-js_of_ocaml-lwt.6.3.0-0e395cdb6b7b8c4427b82124387c6a5b953d1ac5"
2026-02-06 22:47.59: Using OBuilder spec:
((from ocaml/opam:fedora-42-ocaml-5.4@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22)
 (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-lwt.6.3.0 6.3.0"))
 (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
      (network host)
      (shell  "opam reinstall js_of_ocaml-lwt.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 \"\\\"fedora-42\\\"\"; then\
             \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
             \n          fi;\
             \n          test \"$pkg\" != 'js_of_ocaml-lwt.6.3.0' && partial_fails=\"$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 22:48.03: Waiting for worker…
2026-02-06 22:51.24: Got resource from pool OCluster
Building on laodoke.caelum.ci.dev
All commits already cached
Updating files:  84% (16361/19359)
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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:fedora-42-ocaml-5.4@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22)
Unable to find image 'ocaml/opam:fedora-42-ocaml-5.4@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22' locally
docker.io/ocaml/opam@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22: Pulling from ocaml/opam
9b70b0272780: Pulling fs layer
3f478e3154d5: Pulling fs layer
b665821d5ebb: Pulling fs layer
07c5772f7de6: Pulling fs layer
52d6f37b4d6e: Pulling fs layer
1e2c088ed9e1: Pulling fs layer
07c5772f7de6: Waiting
52d6f37b4d6e: Waiting
1e2c088ed9e1: Waiting
3f478e3154d5: Verifying Checksum
3f478e3154d5: Download complete
07c5772f7de6: Verifying Checksum
07c5772f7de6: Download complete
52d6f37b4d6e: Download complete
1e2c088ed9e1: Verifying Checksum
1e2c088ed9e1: Download complete
b665821d5ebb: Verifying Checksum
b665821d5ebb: Download complete
9b70b0272780: Verifying Checksum
9b70b0272780: Download complete
9b70b0272780: Pull complete
3f478e3154d5: Pull complete
b665821d5ebb: Pull complete
07c5772f7de6: Pull complete
52d6f37b4d6e: Pull complete
1e2c088ed9e1: Pull complete
Digest: sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22
Status: Downloaded newer image for ocaml/opam@sha256:7f65b2d6d574cdfa29c4df178f9f7f16e19cafc8d713f9cbee8d53add4b6cd22
2026-02-06 22:51.27 ---> using "0534897c78656ca203a2870dfdf69ebbddfcb4edddf041006995fee6b2963a70" 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 22:51.27 ---> using "f2793958ca032763c9093f0b1ca035d41cd5594ca5d4f44cce517afb3d20d237" 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
Format upgrade done.

<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-02-06 22:51.27 ---> using "a9feb540d418a62e08b893c5659b6879a5f285514a121d34c7fedccdf77ab080" 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=fedora os-version=42
# 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       5.4
# invariant            ["ocaml-base-compiler" {>= "5.4.0"}]
# compiler-packages    ocaml-base-compiler.5.4.0, ocaml-compiler.5.4.0, ocaml-options-vanilla.1
# ocaml:native         true
# ocaml:native-tools   true
# ocaml:native-dynlink true
# ocaml:stubsdir       /home/opam/.opam/5.4/lib/ocaml/stublibs:/home/opam/.opam/5.4/lib/ocaml
# ocaml:preinstalled   false
# ocaml:compiler       5.4.0
2026-02-06 22:51.27 ---> using "130ade7cc16d63b2cfe270d6201573cc3a1f97c4d6530f31f3d7997b0c2ed44e" 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 22:51.27 ---> using "1a9e27e239a76ececa7e73a1ffe34a966404b237182db535b8fe7578bcc5cfed" from cache

/home/opam: (copy (src .) (dst opam-repository/))
2026-02-06 22:51.29 ---> using "63187c37c7bb63dd3ab63c998f892379855221891737433580d80322864668d9" from cache

/home/opam: (run (shell "opam repository set-url --strict default opam-repository/"))
[default] Initialised
2026-02-06 22:52.02 ---> saved as "790979dc939d551ce1d4b368f3a811df5cb603770f763954e4f43d217246f6e2"

/home/opam: (run (network host)
                 (shell "opam update --depexts || true"))
+ /usr/sbin/sudo "yum" "makecache"
- Updating and loading repositories:
-  Fedora 42 - x86_64 - Updates           100% |  46.9 KiB/s |  14.0 KiB |  00m00s
-  Fedora 42 - x86_64                     100% | 119.5 KiB/s |  22.6 KiB |  00m00s
- Repositories loaded.
- Metadata cache created.
2026-02-06 22:52.10 ---> saved as "df81523e95d13bee3d8cdbc77e158ccc490449cd2cb42dce88a03560752e6f5a"

/home/opam: (run (shell "opam pin add -k version -yn js_of_ocaml-lwt.6.3.0 6.3.0"))
js_of_ocaml-lwt is now pinned to version 6.3.0
2026-02-06 22:52.11 ---> saved as "5e8ac048d2223daf580d14791372969f223a6ca1fd8fc51126b4feb854ccef7c"

/home/opam: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
                 (network host)
                 (shell  "opam reinstall js_of_ocaml-lwt.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 \"\\\"fedora-42\\\"\"; then\
                        \n            echo \"A package failed and has been disabled for CI using the 'x-ci-accept-failures' field.\";\
                        \n          fi;\
                        \n          test \"$pkg\" != 'js_of_ocaml-lwt.6.3.0' && partial_fails=\"$partial_fails $pkg\";\
                        \n        done;\
                        \n        test \"${partial_fails}\" != \"\" && echo \"opam-repo-ci detected dependencies failing: ${partial_fails}\";\
                        \n        exit 1"))
js_of_ocaml-lwt.6.3.0 is not installed. Install it? [Y/n] y
The following actions will be performed:
=== install 27 packages
  - install base-bytes           base           [required by ocplib-endian]
  - install cmdliner             2.1.0          [required by js_of_ocaml-compiler]
  - install cppo                 1.8.0          [required by lwt]
  - install csexp                1.5.2          [required by dune-configurator]
  - install dune                 3.21.0         [required by js_of_ocaml-lwt]
  - install dune-configurator    3.21.0         [required by lwt]
  - install gen                  1.1            [required by sedlex]
  - install js_of_ocaml          6.3.0          [required by js_of_ocaml-lwt]
  - install js_of_ocaml-compiler 6.3.0          [required by js_of_ocaml]
  - install js_of_ocaml-lwt      6.3.0 (pinned)
  - install js_of_ocaml-ppx      6.3.0          [required by js_of_ocaml-lwt]
  - install lwt                  6.1.0          [required by js_of_ocaml-lwt]
  - 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  v0.17.0        [required by js_of_ocaml-compiler]
  - install ocamlfind            1.9.8          [required by js_of_ocaml-compiler]
  - install ocplib-endian        1.2            [required by lwt]
  - install ppx_derivers         1.2.1          [required by ppxlib]
  - install ppxlib               0.37.0         [required by js_of_ocaml, js_of_ocaml-ppx]
  - 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 cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved dune.3.21.0, dune-configurator.3.21.0  (cached)
-> retrieved gen.1.1  (cached)
-> installed cmdliner.2.1.0
-> retrieved js_of_ocaml.6.3.0, js_of_ocaml-compiler.6.3.0, js_of_ocaml-lwt.6.3.0, js_of_ocaml-ppx.6.3.0  (cached)
-> retrieved lwt.6.1.0  (cached)
-> retrieved menhir.20260203, menhirCST.20260203, menhirGLR.20260203, menhirLib.20260203, menhirSdk.20260203  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (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 ocamlfind.1.9.8
-> installed base-bytes.base
-> installed dune.3.21.0
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed gen.1.1
-> installed menhirCST.20260203
-> installed menhirGLR.20260203
-> installed menhirLib.20260203
-> installed menhirSdk.20260203
-> installed ocaml-compiler-libs.v0.17.0
-> installed ppx_derivers.1.2.1
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed ocplib-endian.1.2
-> installed yojson.3.0.0
-> installed dune-configurator.3.21.0
-> installed lwt.6.1.0
-> 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.6.3.0
-> installed js_of_ocaml-lwt.6.3.0
Done.
# To update the current shell environment, run: eval $(opam env)
2026-02-06 22:55.29 ---> saved as "7c4cac5b3b03493df20dc09603140a840f7c96bd645e6efe68d6f4a01bd2765e"
Job succeeded
2026-02-06 22:55.59: Job succeeded