(lint-doc)

2026-01-16 11:40.44: New job: test ocaml-ppx/ppx_deriving https://github.com/ocaml-ppx/ppx_deriving.git#refs/heads/master (e58e37d776416c9bb8dabc644dab3c5b1e33ad82) (linux-x86_64:(lint-doc))
Base: ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500
Opam project lint documentation


To reproduce locally:


git clone --recursive "https://github.com/ocaml-ppx/ppx_deriving.git" -b "master" && cd "ppx_deriving" && git reset --hard e58e37d7
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500
# 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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 ppx_deriving.opam ./
RUN opam pin add -yn ppx_deriving.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.3.21.0 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 ppxlib.0.37.0 seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y ppx_deriving.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


2026-01-16 11:40.44: Using cache hint "ocaml-ppx/ppx_deriving-ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500-debian-13-4.08_opam-2.5-0ca5d13a22dce27bc5ded15ff64f6a85"
2026-01-16 11:40.44: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500)
(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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src ppx_deriving.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn ppx_deriving.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "base-bigarray.base base-threads.base base-unix.base cppo.1.8.0 dune.3.21.0 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 ppxlib.0.37.0 seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0")
(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 ppx_deriving.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)"))
)


2026-01-16 11:40.44: Waiting for resource in pool OCluster
2026-01-16 15:42.53: Waiting for worker…
2026-01-16 15:46.03: Got resource from pool OCluster
Building on odawa.caelum.ci.dev
All commits already cached
HEAD is now at e58e37d Release 6.1.1


(from ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500)
2026-01-16 15:46.03 ---> using "4c1f60dc0cc5644c6a4c05cf3315bdbf9cc478b70e443b212a1220385bab8bba" 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"))
2026-01-16 15:46.03 ---> using "09ec43ecaa27dab8346e990737ca0bf6a7d7013925eb2adfd2035898be286c2c" 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
2026-01-16 15:46.03 ---> using "4381d3da7f8b087a220cfbe381c29d4b7fd818708c79fc235d931b092b54a500" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-87-generic
The OCaml toplevel, version 4.08.1
2.2.1
2026-01-16 15:46.03 ---> using "3b37b3fd5120bed103f41ffa820339a0b6d79d83aa18326ed5a0d14e476f8e0e" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-01-16 15:46.03 ---> using "f4d738c8e5c0ce9a3dcabad2dcc8f0143a2bfbad6b5bb98d5fdf83725fc7abc3" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
a6b2f19780..92679ed614  master     -> origin/master
873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0


<><> 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
2026-01-16 15:46.03 ---> using "28db376539e05fc190ddc432258cd61dfd9bdc97103007e7da8853d3c0464d38" from cache


/src: (copy (src ppx_deriving.opam) (dst ./))
2026-01-16 15:46.03 ---> using "d3612f2882d0096c67a4b1b488d6d63d858c8ab589f3bd8736744fc465bf6b45" from cache


/src: (run (network host)
(shell "opam pin add -yn ppx_deriving.dev './'"))
[ppx_deriving.dev] synchronised (file:///src)
ppx_deriving is now pinned to file:///src (version dev)
2026-01-16 15:46.03 ---> using "7d538990c091e2ea977e4a95f8c1fc185b64672d115d0fc5ff88ef097e0fa1c9" from cache


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-01-16 15:46.03 ---> using "e684a431964d7d954195cdecebeb38041acc41d458d998f4a1fa6ba4c8d6de6d" from cache


/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base cppo.1.8.0 dune.3.21.0 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 ppxlib.0.37.0 seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0")


/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 ppx_deriving.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 [9670 kB]
- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [95.9 kB]
- Fetched 9997 kB in 1s (9477 kB/s)
- Reading package lists...


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[ppx_deriving.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).
2026-01-16 15:46.03 ---> using "4ce69d72ee409fb2395d1f59a035c8550ef4aa054dfb4807b0b099a182f06366" from cache


/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 10 packages
- install cppo                1.8.0
- install dune                3.21.0
- install ocaml-compiler-libs v0.12.4
- install ocamlfind           1.9.8
- install ounit2              2.2.7
- install ppx_derivers        1.2.1
- install ppxlib              0.37.0
- install seq                 base
- install sexplib0            v0.16.0
- install stdlib-shims        0.3.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cppo.1.8.0  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ounit2.2.2.7  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib0.v0.16.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved ppxlib.0.37.0  (cached)
-> retrieved dune.3.21.0  (cached)
-> installed ocamlfind.1.9.8
-> installed dune.3.21.0
-> 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 ppxlib.0.37.0
Done.
# Run eval $(opam env) to update the current shell environment
2026-01-16 15:46.03 ---> using "bf510e3084161ae5b98dd7f1e6b8fe6f432ef2a171501946a3afce7a922e12b1" from cache


/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 3.21.0).
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 astring.0.8.5  (cached)
-> retrieved crunch.4.0.0  (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 topkg.1.1.1  (cached)
-> retrieved tyxml.4.6.0  (cached)
-> installed camlp-streams.5.0.1
-> retrieved odoc.3.1.0, odoc-parser.3.1.0  (cached)
-> installed re.1.11.0
-> retrieved uutf.1.0.4  (cached)
-> 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
2026-01-16 15:46.03 ---> using "b7cca9511fe507f0b3197ac7527732ced90ae4f11a871b4d4b4e9d3f2c81ba1b" from cache


/src: (copy (src .) (dst /src/))
2026-01-16 15:46.03 ---> saved as "504eb427d494a85e1b6c11ad61fe0892e2dee2019f255c1b966a7bd70d33ca00"


/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
(cd _build/default/src/api/.ppx_deriving_api.objs/byte && /home/opam/.opam/4.08/bin/odoc compile -I . -I ../../../../_doc/_odoc/pkg/ppx_deriving --pkg ppx_deriving -o ppx_deriving.odoc ppx_deriving.cmti)
File "ppx_deriving.cppo.mli", line 148, character 6 to line 156, character 8:
Warning: Code blocks should be indented at the opening `{`.
File "ppx_deriving.cmti":
Warning: Failed to compile expansion for class root(Ppx_deriving).mapper
(cd _build/default/_doc/_html && /home/opam/.opam/4.08/bin/odoc link -I ../_odoc/pkg/ppx_deriving -I ../../src/api/.ppx_deriving_api.objs/byte -I ../../src/runtime/.ppx_deriving_runtime.objs/byte -I ../../src_plugins/create/.ppx_deriving_create.objs/byte -I ../../src_plugins/enum/.ppx_deriving_enum.objs/byte -I ../../src_plugins/eq/.ppx_deriving_eq.objs/byte -I ../../src_plugins/fold/.ppx_deriving_fold.objs/byte -I ../../src_plugins/iter/.ppx_deriving_iter.objs/byte -I ../../src_plugins/make/.ppx_deriving_make.objs/byte -I ../../src_plugins/map/.ppx_deriving_map.objs/byte -I ../../src_plugins/ord/.ppx_deriving_ord.objs/byte -I ../../src_plugins/show/.ppx_deriving_show.objs/byte -I ../../src_plugins/std/.ppx_deriving_std.objs/byte -o ../_odocls/ppx_deriving/ppx_deriving.odocl ../../src/api/.ppx_deriving_api.objs/byte/ppx_deriving.odoc)
File "ppx_deriving.cppo.mli", line 187, characters 30-39:
Warning: Failed to resolve reference unresolvedroot(Stdlib) Couldn't find "Stdlib"
2026-01-16 15:46.05 ---> saved as "c41f03efaee455bf7ac52cbb1b9badb88a70d7fe2b093df1170913e470ec0dc8"
Job succeeded
2026-01-16 15:46.05: Job succeeded