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2026-05-22 09:48.06: New job: test ocaml-community/yojson https://github.com/ocaml-community/yojson.git#refs/heads/master (d692c15dc630a1a1635719b5426299df6f02c5ef) (linux-x86_64:(lint-opam))
Base: ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1
Opam files lint


To reproduce locally:


git clone --recursive "https://github.com/ocaml-community/yojson.git" -b "master" && cd "yojson" && git reset --hard d692c15d
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1
# debian-13-5.2_opam-2.5
USER 1000:1000
ENV CLICOLOR_FORCE="1"
ENV OPAMCOLOR="always"
WORKDIR /src
RUN sudo ln -f /usr/bin/opam-2.2 /usr/bin/opam
RUN cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline
RUN opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN opam update -u
COPY --chown=1000:1000 yojson.opam yojson-five.opam yojson-bench.opam ./
RUN opam pin add -yn yojson.dev './' && \
opam pin add -yn yojson-five.dev './' && \
opam pin add -yn yojson-bench.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-domains.base base-nnp.base base-threads.base base-unix.base benchmark.1.7 bos.0.3.0 cmdliner.2.1.1 csexp.1.5.2 dune.3.20.2 dyn.3.20.2 fmt.0.11.0 fpath.0.7.3 gen.1.1 jsonm.1.0.2 logs.0.10.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 num.1.6 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocamlgraph.2.2.0 opam-core.2.5.1 opam-dune-lint.0.6 opam-file-format.2.2.0 opam-format.2.5.1 opam-repository.2.5.1 opam-state.2.5.1 ordering.3.20.2 parsexp.v0.17.0 patch.3.1.1 pp.2.0.0 ppx_derivers.1.2.1 ppxlib.0.38.0 re.1.14.0 rresult.0.7.0 sedlex.3.7 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 sha.1.15.4 spdx_licenses.1.4.0 stdlib-shims.0.3.0 stdune.3.20.2 swhid_core.0.1 topkg.1.1.1 uutf.1.0.4"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y yojson.dev yojson-five.dev yojson-bench.dev $DEPS
RUN opam install $DEPS
ENV CI="true"
ENV OCAMLCI="true"
WORKDIR /src
COPY --chown=1000:1000 . /src/
RUN opam lint
RUN opam exec -- opam-dune-lint


END-OF-DOCKERFILE
docker build .
END-REPRO-BLOCK


2026-05-22 09:48.06: Using cache hint "ocaml-community/yojson-ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1-debian-13-5.2_opam-2.5-6c9dbab794da06e03144cb7aa030834d"
2026-05-22 09:48.06: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1)
(comment debian-13-5.2_opam-2.5)
(user (uid 1000) (gid 1000))
(env CLICOLOR_FORCE 1)
(env OPAMCOLOR always)
(workdir /src)
(run (shell "sudo ln -f /usr/bin/opam-2.2 /usr/bin/opam"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline"))
(run (shell "opam init --reinit -ni"))
(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
(workdir /src)
(run (shell "sudo chown opam /src"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update -u"))
(copy (src yojson.opam yojson-five.opam yojson-bench.opam) (dst ./))
(run (network host)
(shell  "opam pin add -yn yojson.dev './' && \
\nopam pin add -yn yojson-five.dev './' && \
\nopam pin add -yn yojson-bench.dev './'"))
(run (shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-domains.base base-nnp.base base-threads.base base-unix.base benchmark.1.7 bos.0.3.0 cmdliner.2.1.1 csexp.1.5.2 dune.3.20.2 dyn.3.20.2 fmt.0.11.0 fpath.0.7.3 gen.1.1 jsonm.1.0.2 logs.0.10.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 num.1.6 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocamlgraph.2.2.0 opam-core.2.5.1 opam-dune-lint.0.6 opam-file-format.2.2.0 opam-format.2.5.1 opam-repository.2.5.1 opam-state.2.5.1 ordering.3.20.2 parsexp.v0.17.0 patch.3.1.1 pp.2.0.0 ppx_derivers.1.2.1 ppxlib.0.38.0 re.1.14.0 rresult.0.7.0 sedlex.3.7 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 sha.1.15.4 spdx_licenses.1.4.0 stdlib-shims.0.3.0 stdune.3.20.2 swhid_core.0.1 topkg.1.1.1 uutf.1.0.4")
(env CI true)
(env OCAMLCI true)
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.2 --depext-only -y yojson.dev yojson-five.dev yojson-bench.dev $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
(env CI true)
(env OCAMLCI true)
(workdir /src)
(copy (src .) (dst /src/))
(run (shell "opam lint"))
(run (shell "opam exec -- opam-dune-lint"))
)


2026-05-22 09:48.06: Waiting for resource in pool OCluster
2026-05-22 12:45.40: Waiting for worker…
2026-05-22 12:48.42: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at d692c15 Merge pull request #200 from Leonidas-from-XIV/better-docs


(from ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1)
2026-05-22 13:14.30 ---> using "503ed5afe9018d5040aa2dba759a2e2138f0d96767139d7c938fc99dc949f1e0" from cache


/: (comment debian-13-5.2_opam-2.5)


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


/: (env CLICOLOR_FORCE 1)


/: (env OPAMCOLOR always)


/: (workdir /src)


/src: (run (shell "sudo ln -f /usr/bin/opam-2.2 /usr/bin/opam"))
2026-05-22 13:14.30 ---> using "572d3ae4e4e6cab920a92d32862dd80e2bef5fa0b43e39a26433a5a8f7df4c43" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
fc08333d1b..3e30e43808  master     -> origin/master
c180e16309 Merge pull request #29907 from dra27/host-arch-fixes
2026-05-22 13:14.30 ---> using "3083215acf45d6e8a26ee461226bb5cb0ed9512b1443a6fbffb741941fb27836" from cache


/src: (run (shell "opam init --reinit -ni"))
Configuring from /home/opam/.opamrc and then 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 development 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] synchronised from git+file:///home/opam/opam-repository
2026-05-22 13:14.30 ---> using "78df7f42c86790917c73baa1c4169101c0f1f0a9c96d4974661ed612d4121404" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-111-generic
The OCaml toplevel, version 5.2.1
2.2.1
2026-05-22 13:14.30 ---> using "3797b666b1d5285edf38bdfc3ca25745f3985ea061a7fa56a5caeb1409d4471b" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-05-22 13:14.30 ---> using "911fd53f70eda58d613ee7950ff16aa5c47a49977e032cbaa909a86e12235a47" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update -u"))


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] no changes from git+file:///home/opam/opam-repository


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).


The following packages are not being upgraded because the new versions conflict with other installed packages:
- ocaml.5.6.0
However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages.
Nothing to do.
# Run eval $(opam env) to update the current shell environment
2026-05-22 13:14.30 ---> using "2b37454295f6c0a570146de90fa28178806302662a298d575b5dc5509910dd48" from cache


/src: (copy (src yojson.opam yojson-five.opam yojson-bench.opam) (dst ./))
2026-05-22 13:14.30 ---> saved as "a2925c4501595569ef7e7bf22b653a3a4f0508ba84896449e5280a27d253b684"


/src: (run (network host)
(shell  "opam pin add -yn yojson.dev './' && \
\nopam pin add -yn yojson-five.dev './' && \
\nopam pin add -yn yojson-bench.dev './'"))
[yojson.dev] synchronised (file:///src)
yojson is now pinned to file:///src (version dev)
[yojson-five.dev] synchronised (file:///src)
yojson-five is now pinned to file:///src (version dev)
[yojson-bench.dev] synchronised (file:///src)
yojson-bench is now pinned to file:///src (version dev)
2026-05-22 13:14.34 ---> saved as "2cae6412b3227adab51ecaee93086183ca11f4326f5724781dcd592a3c3b8f03"


/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-05-22 13:14.34 ---> saved as "6adce20555c9014761b61b32fa6dbd23a8291449935ba6412ce47bbb8403be90"


/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-domains.base base-nnp.base base-threads.base base-unix.base benchmark.1.7 bos.0.3.0 cmdliner.2.1.1 csexp.1.5.2 dune.3.20.2 dyn.3.20.2 fmt.0.11.0 fpath.0.7.3 gen.1.1 jsonm.1.0.2 logs.0.10.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 num.1.6 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocamlgraph.2.2.0 opam-core.2.5.1 opam-dune-lint.0.6 opam-file-format.2.2.0 opam-format.2.5.1 opam-repository.2.5.1 opam-state.2.5.1 ordering.3.20.2 parsexp.v0.17.0 patch.3.1.1 pp.2.0.0 ppx_derivers.1.2.1 ppxlib.0.38.0 re.1.14.0 rresult.0.7.0 sedlex.3.7 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 sha.1.15.4 spdx_licenses.1.4.0 stdlib-shims.0.3.0 stdune.3.20.2 swhid_core.0.1 topkg.1.1.1 uutf.1.0.4")


/src: (env CI true)


/src: (env OCAMLCI true)


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam update --depexts && opam install --cli=2.2 --depext-only -y yojson.dev yojson-five.dev yojson-bench.dev $DEPS"))
+ /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 [166 kB]
- Fetched 10.1 MB in 7s (1449 kB/s)
- Reading package lists...


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[yojson.dev] synchronised (file:///src)
[yojson-bench.dev] synchronised (file:///src)
[yojson-five.dev] synchronised (file:///src)


[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.1).
[NOTE] Package ocaml is already installed (current version is 5.2.1).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
2026-05-22 13:14.48 ---> saved as "3bb0dab519f4d015cdcba17768e75e71f5af87ad7c3b096b7bfe4093b7d1820a"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).
[NOTE] Package ocaml-config is already installed (current version is 3).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.1).
[NOTE] Package ocaml is already installed (current version is 5.2.1).
[NOTE] Package base-unix is already installed (current version is base).
[NOTE] Package base-threads is already installed (current version is base).
[NOTE] Package base-nnp is already installed (current version is base).
[NOTE] Package base-domains is already installed (current version is base).
[NOTE] Package base-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 49 packages
- install alcotest            1.9.1
- install astring             0.8.5
- install benchmark           1.7
- install bos                 0.3.0
- install cmdliner            2.1.1
- install csexp               1.5.2
- install dune                3.20.2
- install dyn                 3.20.2
- install fmt                 0.11.0
- install fpath               0.7.3
- install gen                 1.1
- install jsonm               1.0.2
- install logs                0.10.0
- install menhir              20260209
- install menhirCST           20260209
- install menhirGLR           20260209
- install menhirLib           20260209
- install menhirSdk           20260209
- install num                 1.6
- install ocaml-compiler-libs v0.17.0
- install ocaml-syntax-shims  1.0.0
- install ocamlbuild          0.16.1
- install ocamlfind           1.9.8
- install ocamlgraph          2.2.0
- install opam-core           2.5.1
- install opam-dune-lint      0.6
- install opam-file-format    2.2.0
- install opam-format         2.5.1
- install opam-repository     2.5.1
- install opam-state          2.5.1
- install ordering            3.20.2
- install parsexp             v0.17.0
- install patch               3.1.1
- install pp                  2.0.0
- install ppx_derivers        1.2.1
- install ppxlib              0.38.0
- install re                  1.14.0
- install rresult             0.7.0
- install sedlex              3.7
- install seq                 base
- install sexplib             v0.17.0
- install sexplib0            v0.17.0
- install sha                 1.15.4
- install spdx_licenses       1.4.0
- install stdlib-shims        0.3.0
- install stdune              3.20.2
- install swhid_core          0.1
- install topkg               1.1.1
- install uutf                1.0.4


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved astring.0.8.5  (cached)
-> retrieved benchmark.1.7  (cached)
-> retrieved bos.0.3.0  (cached)
-> retrieved alcotest.1.9.1  (cached)
-> retrieved cmdliner.2.1.1  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved gen.1.1  (cached)
-> retrieved jsonm.1.0.2  (cached)
-> retrieved logs.0.10.0  (cached)
-> retrieved num.1.6  (cached)
-> retrieved menhir.20260209, menhirCST.20260209, menhirGLR.20260209, menhirLib.20260209, menhirSdk.20260209  (cached)
-> retrieved dune.3.20.2, dyn.3.20.2, ordering.3.20.2, stdune.3.20.2  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml-syntax-shims.1.0.0  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocamlgraph.2.2.0  (cached)
-> retrieved opam-core.2.5.1, opam-format.2.5.1, opam-repository.2.5.1, opam-state.2.5.1  (cached)
-> installed cmdliner.2.1.1
-> installed num.1.6
-> retrieved opam-dune-lint.0.6  (cached)
-> retrieved opam-file-format.2.2.0  (cached)
-> retrieved parsexp.v0.17.0  (cached)
-> retrieved patch.3.1.1  (cached)
-> retrieved pp.2.0.0  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved rresult.0.7.0  (cached)
-> retrieved re.1.14.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sedlex.3.7  (cached)
-> retrieved sexplib.v0.17.0  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved sha.1.15.4  (cached)
-> retrieved spdx_licenses.1.4.0  (cached)
-> retrieved ppxlib.0.38.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved swhid_core.0.1  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved topkg.1.1.1  (cached)
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed rresult.0.7.0
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed jsonm.1.0.2
-> installed fpath.0.7.3
-> installed logs.0.10.0
-> installed bos.0.3.0
-> installed dune.3.20.2
-> installed benchmark.1.7
-> installed csexp.1.5.2
-> installed gen.1.1
-> installed menhirCST.20260209
-> installed menhirGLR.20260209
-> installed menhirLib.20260209
-> installed menhirSdk.20260209
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml-syntax-shims.1.0.0
-> installed patch.3.1.1
-> installed pp.2.0.0
-> installed ppx_derivers.1.2.1
-> installed spdx_licenses.1.4.0
-> installed stdlib-shims.0.3.0
-> installed swhid_core.0.1
-> installed ocamlgraph.2.2.0
-> installed sexplib0.v0.17.0
-> installed ordering.3.20.2
-> installed re.1.14.0
-> installed parsexp.v0.17.0
-> installed sha.1.15.4
-> installed sexplib.v0.17.0
-> installed dyn.3.20.2
-> installed alcotest.1.9.1
-> installed menhir.20260209
-> installed stdune.3.20.2
-> installed opam-core.2.5.1
-> installed opam-file-format.2.2.0
-> installed opam-format.2.5.1
-> installed ppxlib.0.38.0
-> installed opam-repository.2.5.1
-> installed sedlex.3.7
-> installed opam-state.2.5.1
-> installed opam-dune-lint.0.6
Done.
# Run eval $(opam env) to update the current shell environment
2026-05-22 13:15.44 ---> saved as "2281e847e98bf4f7466e2826a9ac6411c5b5cc7cc1b2a14291ce39d7e768c053"


/src: (env CI true)


/src: (env OCAMLCI true)


/src: (workdir /src)


/src: (copy (src .) (dst /src/))
2026-05-22 13:15.44 ---> saved as "bcefcac522d2c7a891bd2c32f99d5a89797f0add6c17ebaf8d3d62ae7ae8b309"


/src: (run (shell "opam lint"))
/src/yojson.opam: Passed.
/src/yojson-five.opam: Passed.
/src/yojson-bench.opam: Passed.
2026-05-22 13:15.44 ---> saved as "2034a78c3bd9938fa5462346728f4ccf1a402c371857fe5c6feda3df24e6fe38"


/src: (run (shell "opam exec -- opam-dune-lint"))
yojson-bench.opam: OK
yojson-five.opam: OK
yojson.opam: OK
2026-05-22 13:15.45 ---> saved as "81796e08510e670d749c84f7f30bf728e646cf8dbdab3335fa209dfae4e056ac"
Job succeeded
2026-05-22 13:15.45: Job succeeded