(lint-doc)

2026-04-03 11:35.27: New job: test backtracking/ocaml-hashcons https://github.com/backtracking/ocaml-hashcons.git#refs/heads/master (9d6a7855e70ac59f8e434efdc301aa9c9bc81991) (linux-x86_64:(lint-doc))
Base: ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b
Opam project lint documentation


To reproduce locally:


git clone --recursive "https://github.com/backtracking/ocaml-hashcons.git" -b "master" && cd "ocaml-hashcons" && git reset --hard 9d6a7855
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b
# 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 hashcons.opam ./
RUN opam pin add -yn hashcons.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="base-bigarray.base base-threads.base base-unix.base dune.3.22.1 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y hashcons.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


2026-04-03 11:35.27: Using cache hint "backtracking/ocaml-hashcons-ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b-debian-13-4.12_opam-2.5-9e9a740047f770c3e94b29cf99b0c3e3"
2026-04-03 11:35.27: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b)
(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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src hashcons.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn hashcons.dev './'"))
(run (shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.1 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.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 hashcons.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)"))
)


2026-04-03 11:35.27: Waiting for resource in pool OCluster
2026-04-03 11:36.58: Waiting for worker…
2026-04-03 11:39.21: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at 9d6a785 fixes for ocaml-ci


(from ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b)
2026-04-03 11:51.19 ---> using "3b46e56650772a04d6e9095d44f93a8df988651ae72f356b632e83e63eac10f5" 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"))
2026-04-03 11:51.19 ---> using "52a0319bcf56a8cf5bd66fe3f76295b5e253c890848d789f177850ec9edfd037" 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
[NOTE] The 'jobs' option was reset, its value was 71 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=71 --global
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2026-04-03 11:51.19 ---> using "4e27ce182101bb41d8d8f2d63c073f755cf49e5bcee6d3e2f5e673c82891e107" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-106-generic
The OCaml toplevel, version 4.12.1
2.2.1
2026-04-03 11:51.19 ---> using "208a5af62cf1b2f3ae6965495e34d270364ca789bb0771b3ee005384bf838a76" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-04-03 11:51.19 ---> using "2cce293f01ed4358dad046b9e863678e64db4cd78f31f9c0b03446f31b88c2ba" 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"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
ffb54b9bdd..d06cfb1853  master     -> origin/master
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
2026-04-03 11:51.19 ---> using "18a321868bfa02fcc7caa2a9862b5c30e4c82a7c694d61c78ed1b065b0fab5a5" from cache


/src: (copy (src hashcons.opam) (dst ./))
2026-04-03 11:51.19 ---> saved as "915138d2514b40580b9d9092a05a81e96088fd9745a3f750c691edd961261525"


/src: (run (network host)
(shell "opam pin add -yn hashcons.dev './'"))
[hashcons.dev] synchronised (file:///src)
[WARNING] Failed checks on hashcons package definition from source at file:///src:
warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "LGPL-2.1"
hashcons is now pinned to file:///src (version dev)
2026-04-03 11:51.22 ---> saved as "510fc435241a4c308de06b51ac98b7d87dd1e6e095077c8c2bc3e07ed00a3195"


/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-04-03 11:51.22 ---> saved as "b1ad7b40bd544ebf335cdd776cc70b3dc10b9f82034bc84d005a7077c148e670"


/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.22.1 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.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 hashcons.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 [119 kB]
- Fetched 10.0 MB in 2s (6510 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[hashcons.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).
2026-04-03 11:51.41 ---> saved as "892fcf4c8540c5fa2023f78829c9799b333e3ed0153289df6732f2c9e3cb1f47"


/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 1 package
- install dune 3.22.1


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved dune.3.22.1  (cached)
-> installed dune.3.22.1
Done.
# Run eval $(opam env) to update the current shell environment
2026-04-03 11:52.26 ---> saved as "62b989cd5c5e8777196bdbbaa17fe75dd1e7506bf936ad66db456d6657d3937f"


/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 17 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 cppo          1.8.0  [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 ocamlfind     1.9.8  [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            1.12.0 [required by tyxml]
- install seq           base   [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 astring.0.8.5  (cached)
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved crunch.4.0.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved fpath.0.7.3  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> installed camlp-streams.5.0.1
-> retrieved re.1.12.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> retrieved odoc.3.1.0, odoc-parser.3.1.0  (cached)
-> installed cppo.1.8.0
-> retrieved tyxml.4.6.0  (cached)
-> installed re.1.12.0
-> retrieved uutf.1.0.4  (cached)
-> installed cmdliner.2.1.0
-> installed ocamlfind.1.9.8
-> 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
2026-04-03 11:52.55 ---> saved as "0d5f806d1d2ab4da01c9eaeb968d599a2a3758db47318fed8b744689c85934da"


/src: (copy (src .) (dst /src/))
2026-04-03 11:52.56 ---> saved as "3211b5e9a2b90a169470995d92969ad5a6df4325c1c6af265479d41a9f393fd2"


/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
2026-04-03 11:52.56 ---> saved as "40c15f571d1d380eeb6073bd7909e29b69bd3dfbf429adf3ea0557681183411a"
Job succeeded
2026-04-03 11:52.56: Job succeeded