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2026-02-13 08:07.01: New job: test ocaml-multicore/multicore-bench https://github.com/ocaml-multicore/multicore-bench.git#refs/heads/main (efb15d8562dbdc1ba976ffc574de028e3c11c123) (linux-x86_64:(lint-doc))
Base: ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7
Opam project lint documentation


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/multicore-bench.git" -b "main" && cd "multicore-bench" && git reset --hard efb15d85
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7
# debian-13-4.12_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 opam init --reinit -ni
RUN uname -rs && opam exec -- ocaml -version && opam --version
WORKDIR /src
RUN sudo chown opam /src
RUN cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 multicore-bench.opam ./
RUN opam pin add -yn multicore-bench.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.8.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y multicore-bench.dev $DEPS
RUN opam install $DEPS
RUN opam install --yes dune 'odoc>=1.5.0'
COPY --chown=1000:1000 . /src/
RUN ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo "dune build @doc failed"; exit 2)


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


2026-02-13 08:07.01: Using cache hint "ocaml-multicore/multicore-bench-ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7-debian-13-4.12_opam-2.5-4f903138c8010ee3c713c0b8a65f3da0"
2026-02-13 08:07.01: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7)
(comment debian-13-4.12_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 (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 "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src multicore-bench.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn multicore-bench.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.8.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0")
(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 multicore-bench.dev $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
(run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install --yes dune 'odoc>=1.5.0'"))
(copy (src .) (dst /src/))
(run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
)


2026-02-13 08:07.01: Waiting for resource in pool OCluster
2026-02-13 11:20.29: Waiting for worker…
2026-02-13 11:24.08: Got resource from pool OCluster
Building on clete
All commits already cached
HEAD is now at efb15d8 Inline `Atomic` and `Ref` ops and unroll


(from ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7)
2026-02-13 11:24.08 ---> using "4d1d68efb85067cf7a79fa9007242e66e40b48ace5a5648cd96317ff96a438e1" from cache


/: (comment debian-13-4.12_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"))
2026-02-13 11:24.08 ---> using "cb2f5617199972131f688a9448783e5f65cefb4381be82787274defd4e4f192a" 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 2.0 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
2026-02-13 11:24.08 ---> using "6171645077a1412a698ac341aa3e8c415a8f79bc67b2e6c53ecb464b2ed87ea0" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-90-generic
The OCaml toplevel, version 4.12.1
2.2.1
2026-02-13 11:24.08 ---> using "f5d0d374ee589a8b41ef0d671bc1b9269145ed71a2ee11d20545663d59c15e42" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-02-13 11:24.08 ---> using "6f6638c4695cd3c6aad3ed2acb7ae3b066ecd943f321b9446ac099b4f7a7a29a" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
340ee6fd1f..302e116c40  master     -> origin/master
302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from git+file:///home/opam/opam-repository


Everything as up-to-date as possible (run with --verbose to show unavailable upgrades).
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
2026-02-13 11:24.08 ---> using "f3ea75433fe8ddd772324585bedf88182b89ce96f6780ab124a5f8ac9eaa5aa1" from cache


/src: (copy (src multicore-bench.opam) (dst ./))
2026-02-13 11:24.08 ---> saved as "f0bf1e9a9d4d9d7c3d02c63209f1bfeca10d733048f764feadf1204a35fb47b2"


/src: (run (network host)
(shell "opam pin add -yn multicore-bench.dev './'"))
[multicore-bench.dev] synchronised (file:///src)
multicore-bench is now pinned to file:///src (version dev)
2026-02-13 11:24.11 ---> saved as "34a9415aa9fabc7a48ce92f86f006bf649a8db731e32862a65f1520f098b7588"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-02-13 11:24.12 ---> saved as "c3ecfe6ca3e1fb7190fded9130466294a40b135e6a7d55f15b56437fd1dd5e03"


/src: (env DEPS "astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain_shims.0.1.0 dune.3.21.1 fmt.0.11.0 logs.0.8.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 re.1.12.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 yojson.3.0.0")


/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 multicore-bench.dev $DEPS"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://deb.debian.org/debian trixie InRelease
- 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-security trixie-security/main amd64 Packages [108 kB]
- Fetched 198 kB in 0s (1308 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[multicore-bench.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 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.12.1).
[NOTE] Package ocaml is already installed (current version is 4.12.1).
[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-bigarray is already installed (current version is base).
2026-02-13 11:24.36 ---> saved as "7d8a132abfe8157b89d8f69260aa1bd5ce42a7b1cf6ff6f7225aa232e71ad8b7"


/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 2).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.12.1).
[NOTE] Package ocaml is already installed (current version is 4.12.1).
[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-bigarray is already installed (current version is base).
The following actions will be performed:
=== install 23 packages
- install astring            0.8.5
- install backoff            0.1.1
- install camlp-streams      5.0.1
- install cmdliner           2.1.0
- install cppo               1.8.0
- install csexp              1.5.2
- install domain-local-await 1.0.1
- install domain_shims       0.1.0
- install dune               3.21.1
- install fmt                0.11.0
- install logs               0.8.0
- install mdx                2.5.1
- install mtime              2.1.0
- install multicore-magic    2.3.2
- install ocaml-version      4.0.3
- install ocamlbuild         0.16.1
- install ocamlfind          1.9.8
- install re                 1.12.0
- install result             1.5
- install seq                base
- install thread-table       1.0.0
- install topkg              1.1.1
- install yojson             3.0.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved backoff.0.1.1  (cached)
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved domain-local-await.1.0.1  (cached)
-> retrieved domain_shims.0.1.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved logs.0.8.0  (cached)
-> retrieved mtime.2.1.0  (cached)
-> retrieved multicore-magic.2.3.2  (cached)
-> retrieved ocaml-version.4.0.3  (cached)
-> retrieved mdx.2.5.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved re.1.12.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved result.1.5  (cached)
-> retrieved thread-table.1.0.0  (cached)
-> retrieved yojson.3.0.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved dune.3.21.1  (cached)
-> installed cmdliner.2.1.0
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed mtime.2.1.0
-> installed fmt.0.11.0
-> installed astring.0.8.5
-> installed logs.0.8.0
-> installed dune.3.21.1
-> installed result.1.5
-> installed thread-table.1.0.0
-> installed camlp-streams.5.0.1
-> installed backoff.0.1.1
-> installed csexp.1.5.2
-> installed domain_shims.0.1.0
-> installed ocaml-version.4.0.3
-> installed multicore-magic.2.3.2
-> installed domain-local-await.1.0.1
-> installed cppo.1.8.0
-> installed re.1.12.0
-> installed yojson.3.0.0
-> installed mdx.2.5.1
Done.
# Run eval $(opam env) to update the current shell environment
2026-02-13 11:26.43 ---> saved as "886b1e468c1b33fde3e67fb068f09dea11e55056b4c2b20924baabc29d325418"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install --yes dune 'odoc>=1.5.0'"))
[NOTE] Package dune is already installed (current version is 3.21.1).
The following actions will be performed:
=== install 7 packages
- install crunch      4.0.0 [required by odoc]
- install fpath       0.7.3 [required by odoc]
- install odoc        3.1.0
- install odoc-parser 3.1.0 [required by odoc]
- install ptime       1.2.0 [required by crunch]
- install tyxml       4.6.0 [required by odoc]
- install uutf        1.0.4 [required by tyxml]


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved crunch.4.0.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved uutf.1.0.4  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved odoc.3.1.0, odoc-parser.3.1.0  (cached)
-> installed fpath.0.7.3
-> installed ptime.1.2.0
-> installed uutf.1.0.4
-> installed crunch.4.0.0
-> installed odoc-parser.3.1.0
-> installed tyxml.4.6.0
-> installed odoc.3.1.0
Done.
# Run eval $(opam env) to update the current shell environment
2026-02-13 11:27.37 ---> saved as "0175813c729f598f5fd1a3644210e7c3079656d7f8235a35fe67cb62f7a8719c"


/src: (copy (src .) (dst /src/))
2026-02-13 11:27.37 ---> saved as "b96e228378f957df287b99b5791e8b06ac36c88f77492938651be205157134d1"


/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
2026-02-13 11:27.39 ---> saved as "0f29868bf4476500f90fbbddf657e57b36170ee511cf3fcbb95eb5ebbe41b72b"
Job succeeded
2026-02-13 11:27.39: Job succeeded