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2026-04-13 10:13.53: New job: test ocaml-ppx/ppx_deriving_protobuf https://github.com/ocaml-ppx/ppx_deriving_protobuf.git#refs/heads/master (5b602831d6df6e47412c96e93368d0068aeb6027) (linux-x86_64:(lint-doc))
Base: ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c
Opam project lint documentation


To reproduce locally:


git clone --recursive "https://github.com/ocaml-ppx/ppx_deriving_protobuf.git" -b "master" && cd "ppx_deriving_protobuf" && git reset --hard 5b602831
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c
# debian-13-4.08_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 ppx_deriving_protobuf.opam ./
RUN opam pin add -yn ppx_deriving_protobuf.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="base-bigarray.base base-threads.base base-unix.base cppo.1.8.0 dune.3.22.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlfind.1.9.8 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.38.0 seq.base sexplib0.v0.16.0 stdint.0.7.2 stdlib-shims.0.3.0 uint.2.0.1"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y ppx_deriving_protobuf.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


2026-04-13 10:13.53: Using cache hint "ocaml-ppx/ppx_deriving_protobuf-ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c-debian-13-4.08_opam-2.5-fdc58adc35d525a2f0251cdb576beba1"
2026-04-13 10:13.53: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c)
(comment debian-13-4.08_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src ppx_deriving_protobuf.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn ppx_deriving_protobuf.dev './'"))
(run (shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "base-bigarray.base base-threads.base base-unix.base cppo.1.8.0 dune.3.22.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlfind.1.9.8 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.38.0 seq.base sexplib0.v0.16.0 stdint.0.7.2 stdlib-shims.0.3.0 uint.2.0.1")
(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 ppx_deriving_protobuf.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)"))
)


2026-04-13 10:13.53: Waiting for resource in pool OCluster
2026-04-13 10:20.24: Waiting for worker…
2026-04-13 10:21.02: Got resource from pool OCluster
Building on phoebe.caelum.ci.dev
All commits already cached
HEAD is now at 5b60283 Release 3.0.0


(from ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.08@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c' locally
docker.io/ocaml/opam@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c: Pulling from ocaml/opam
a7730063fcfe: Already exists
1a27fd2181de: Already exists
c29591c91388: Already exists
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f21057dc4e85: Pulling fs layer
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e0d2ca1300ed: Download complete
9da2f7598f8e: Download complete
dd7da3e42740: Pulling fs layer
06223904e4d3: Pulling fs layer
cb569bb28593: Download complete
b18a38618cf8: Pulling fs layer
b18a38618cf8: Waiting
dd7da3e42740: Verifying Checksum
dd7da3e42740: Download complete
b18a38618cf8: Download complete
06223904e4d3: Verifying Checksum
06223904e4d3: Download complete
f21057dc4e85: Pull complete
e0d2ca1300ed: Pull complete
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cb569bb28593: Pull complete
b32c9abef0bb: Verifying Checksum
b32c9abef0bb: Download complete
b32c9abef0bb: Pull complete
dd7da3e42740: Pull complete
06223904e4d3: Pull complete
b18a38618cf8: Pull complete
Digest: sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c
Status: Downloaded newer image for ocaml/opam@sha256:3cbf0e68d3a718b80b9a2ab282b68bb62badcbc072fa014a5564516c5f70e74c
2026-04-13 10:21.01 ---> using "228e5ba11f0bea08c69266bb98d12a75785691261b07b0808652a307a04e14b2" from cache


/: (comment debian-13-4.08_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"))
2026-04-13 10:21.01 ---> using "6a21a8bd2da640bf47ce1211004d6a33a1bf41ff753d8b4bb4a6519520cd81af" 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
2026-04-13 10:21.01 ---> using "939d97e6190dc36b4f6e94773a2843a2a1549b9ae9e8e3facca1460e0ed37772" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-107-generic
The OCaml toplevel, version 4.08.1
2.2.1
2026-04-13 10:21.01 ---> using "eb73d73c6df1334e93e0a643cf6d58799a32bc7b370f755d009a4545ba4f9865" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-04-13 10:21.01 ---> using "de7fe019fc62fa1e51827ff2ff64dbc0831c3afd9fed2034cda6486fa7e48a49" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))
d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1


<><> 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
2026-04-13 10:21.01 ---> using "fbad28c74a632e647545a6bab2df787930e492e2daf5d95d28478b0c0c088a96" from cache


/src: (copy (src ppx_deriving_protobuf.opam) (dst ./))
2026-04-13 10:21.02 ---> saved as "fced6cb0043f5225b263bddffe6ae198ff1ef2fe6cec128e345bc776dccc315f"


/src: (run (network host)
(shell "opam pin add -yn ppx_deriving_protobuf.dev './'"))
[ppx_deriving_protobuf.dev] synchronised (file:///src)
ppx_deriving_protobuf is now pinned to file:///src (version dev)
2026-04-13 10:21.05 ---> saved as "c77b7a475f83e2ef51f9690aa05dec0cc15cf12fd987a4522693bb81dd29a726"


/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-04-13 10:21.05 ---> saved as "25fbd447d4477ca07773b4cc438fb689710f3d8d8ca71a7991d176b17941cc09"


/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base cppo.1.8.0 dune.3.22.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlfind.1.9.8 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.38.0 seq.base sexplib0.v0.16.0 stdint.0.7.2 stdlib-shims.0.3.0 uint.2.0.1")


/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 ppx_deriving_protobuf.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 [122 kB]
- Fetched 213 kB in 0s (940 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[ppx_deriving_protobuf.dev] synchronised (file:///src)


[NOTE] Package ocaml-config is already installed (current version is 1).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.08.1).
[NOTE] Package ocaml is already installed (current version is 4.08.1).
[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).
2026-04-13 10:21.29 ---> saved as "28909899f164bb5e0fb4e7690a2016489977de03a32f9c1863e7432b9f21ddcd"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "opam install $DEPS"))
[NOTE] Package ocaml-config is already installed (current version is 1).
[NOTE] Package ocaml-base-compiler is already installed (current version is 4.08.1).
[NOTE] Package ocaml is already installed (current version is 4.08.1).
[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 13 packages
- install cppo                1.8.0
- install dune                3.22.1
- install ocaml-compiler-libs v0.12.4
- install ocamlfind           1.9.8
- install ounit2              2.2.7
- install ppx_derivers        1.2.1
- install ppx_deriving        6.1.1
- install ppxlib              0.38.0
- install seq                 base
- install sexplib0            v0.16.0
- install stdint              0.7.2
- install stdlib-shims        0.3.0
- install uint                2.0.1


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ounit2.2.2.7  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib0.v0.16.0  (cached)
-> retrieved stdint.0.7.2  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved ppxlib.0.38.0  (cached)
-> retrieved dune.3.22.1  (cached)
-> retrieved uint.2.0.1  (https://opam.ocaml.org/cache)
-> installed ocamlfind.1.9.8
-> installed dune.3.22.1
-> installed ppx_derivers.1.2.1
-> installed stdlib-shims.0.3.0
-> installed sexplib0.v0.16.0
-> installed ocaml-compiler-libs.v0.12.4
-> installed cppo.1.8.0
-> installed ounit2.2.2.7
-> installed stdint.0.7.2
-> installed uint.2.0.1
-> installed ppxlib.0.38.0
-> installed ppx_deriving.6.1.1
Done.
# Run eval $(opam env) to update the current shell environment
2026-04-13 10:24.54 ---> saved as "d727d616c6f3470b27194ce3a94cb888c35f8ac57efb8d7c649dda92127001e4"


/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 3.22.1).
The following actions will be performed:
=== install 14 packages
- install astring       0.8.5  [required by odoc]
- install camlp-streams 5.0.1  [required by odoc-parser]
- install cmdliner      2.1.0  [required by odoc]
- install crunch        4.0.0  [required by odoc]
- install fmt           0.11.0 [required by odoc]
- install fpath         0.7.3  [required by odoc]
- install ocamlbuild    0.16.1 [required by fmt, astring, fpath]
- install odoc          3.1.0
- install odoc-parser   3.1.0  [required by odoc]
- install ptime         1.2.0  [required by crunch]
- install re            1.11.0 [required by tyxml]
- install topkg         1.1.1  [required by fmt, astring, fpath]
- install tyxml         4.6.0  [required by odoc]
- install uutf          1.0.4  [required by tyxml]


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved camlp-streams.5.0.1  (cached)
-> retrieved crunch.4.0.0  (cached)
-> retrieved astring.0.8.5  (cached)
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved re.1.11.0  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved uutf.1.0.4  (cached)
-> installed camlp-streams.5.0.1
-> retrieved odoc.3.1.0, odoc-parser.3.1.0  (cached)
-> installed re.1.11.0
-> installed cmdliner.2.1.0
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed uutf.1.0.4
-> installed fmt.0.11.0
-> installed ptime.1.2.0
-> installed astring.0.8.5
-> installed crunch.4.0.0
-> installed fpath.0.7.3
-> 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
2026-04-13 10:26.15 ---> saved as "3b92213e5cf7266754ee7f808ba471d136836c04c6a0f5cc5284699cad1a45fb"


/src: (copy (src .) (dst /src/))
2026-04-13 10:26.16 ---> saved as "3faa3c4d914e386cce7717a81edf85e31833e0c7e7f845cdd9a8401963e51b3b"


/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
2026-04-13 10:26.19 ---> saved as "7a72daf8c5563dfbf5fbd886fd8255acee95d048848303e3a19219b65d6146ef"
Job succeeded
2026-04-13 10:26.20: Job succeeded