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2026-04-14 07:59.55: New job: test ocaml-gospel/gospel https://github.com/ocaml-gospel/gospel.git#refs/heads/implementations_gospel (cd13727dc0ed4d595f6f1504e53a0d5d64a38ac9) (linux-x86_64:(lint-doc))
Base: ocaml/opam:debian-13-ocaml-4.09@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e
Opam project lint documentation


To reproduce locally:


git clone --recursive "https://github.com/ocaml-gospel/gospel.git" -b "implementations_gospel" && cd "gospel" && git reset --hard cd13727d
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:debian-13-ocaml-4.09@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e
# debian-13-4.09_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 gospel.opam ./
RUN opam pin add -yn gospel.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 dune.3.22.2 fmt.0.11.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.38.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.2 --depext-only -y gospel.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


2026-04-14 07:59.55: Using cache hint "ocaml-gospel/gospel-ocaml/opam:debian-13-ocaml-4.09@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e-debian-13-4.09_opam-2.5-7746af8c99719fa1825d7ceccaa71a08"
2026-04-14 07:59.55: Using OBuilder spec:
((from ocaml/opam:debian-13-ocaml-4.09@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e)
(comment debian-13-4.09_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src gospel.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn gospel.dev './'"))
(run (shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 dune.3.22.2 fmt.0.11.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.38.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1")
(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 gospel.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)"))
)


2026-04-14 07:59.55: Waiting for resource in pool OCluster
2026-04-14 09:11.35: Waiting for worker…
2026-04-14 09:13.59: Got resource from pool OCluster
Building on odawa.caelum.ci.dev
All commits already cached
HEAD is now at cd13727 Added !! entry in terms


(from ocaml/opam:debian-13-ocaml-4.09@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e)
Unable to find image 'ocaml/opam:debian-13-ocaml-4.09@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e' locally
docker.io/ocaml/opam@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e: Pulling from ocaml/opam
a7730063fcfe: Already exists
1a27fd2181de: Already exists
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Digest: sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e
Status: Downloaded newer image for ocaml/opam@sha256:32f5e46d88a821cc379111272d29aa2f0069ec47ed57700fff8178dc9e28df2e
2026-04-14 09:13.59 ---> using "2315430a2b9f3e6551a273bddfee694c78eb1da9ff2b8f19908a3b7fe84b2feb" from cache


/: (comment debian-13-4.09_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"))
2026-04-14 09:13.59 ---> saved as "4ca3cae934771780d18cbdf2250ac21739623fee5a6e282650cd21e76296f999"


/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
2026-04-14 09:14.20 ---> saved as "ebac550f852b3cdda6dc1dd877b7db9c5067f50cfeeae1a2390e385a78b6eb70"


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-107-generic
The OCaml toplevel, version 4.09.1
2.2.1
2026-04-14 09:14.20 ---> saved as "4c5d1300afe2086000ec76ec5d29b21d3d17d612302c4d231380bf52a8674f5b"


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-04-14 09:14.20 ---> saved as "5056147f9bfb64aa07e4d900d7daa7f06c853511d4c2af36969326755c79ddd1"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
42844088d7..9af1f0b103  master     -> origin/master
5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2


<><> 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
2026-04-14 09:14.41 ---> saved as "80fbbcf0d665719ddc99317efa55e58b8098d5a44927c370a2de0c2fa7d161e0"


/src: (copy (src gospel.opam) (dst ./))
2026-04-14 09:14.41 ---> saved as "f7f624dc4c0c3fd0e60cd9f00d49f76ae3cd8eed7cd36336ac3ded6a1e0d4b82"


/src: (run (network host)
(shell "opam pin add -yn gospel.dev './'"))
[gospel.dev] synchronised (file:///src)
gospel is now pinned to file:///src (version dev)
2026-04-14 09:14.43 ---> saved as "037aee3fc4b871c73ff4a4f64b12422ad19cb43ae8aa912d28bbce69103e9ffe"


/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-04-14 09:14.43 ---> saved as "f026e7b8703db6d53b6a8a1d6803307769dad44070f9d66d03070446d2c322fe"


/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 dune.3.22.2 fmt.0.11.0 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 ocaml.4.09.1 ocaml-base-compiler.4.09.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.38.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1")


/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 gospel.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 [123 kB]
- Fetched 213 kB in 0s (2327 kB/s)
- Reading package lists...


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[gospel.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 4.09.1).
[NOTE] Package ocaml is already installed (current version is 4.09.1).
[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).
2026-04-14 09:14.52 ---> saved as "3f0db004a2d0090f9aa7cec59b0e2eccb77e79081a30358d99a9f1978c4077b1"


/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 4.09.1).
[NOTE] Package ocaml is already installed (current version is 4.09.1).
[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 18 packages
- install cmdliner            2.1.0
- install cppo                1.8.0
- install dune                3.22.2
- install fmt                 0.11.0
- install menhir              20260209
- install menhirCST           20260209
- install menhirGLR           20260209
- install menhirLib           20260209
- install menhirSdk           20260209
- install ocaml-compiler-libs v0.12.4
- install ocamlbuild          0.16.1
- install ocamlfind           1.9.8
- install ppx_derivers        1.2.1
- install ppx_deriving        6.1.1
- install ppxlib              0.38.0
- install sexplib0            v0.16.0
- install stdlib-shims        0.3.0
- install topkg               1.1.1


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved cmdliner.2.1.0  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved fmt.0.11.0  (cached)
-> retrieved ocaml-compiler-libs.v0.12.4  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved menhir.20260209, menhirCST.20260209, menhirGLR.20260209, menhirLib.20260209, menhirSdk.20260209  (cached)
-> retrieved dune.3.22.2  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved sexplib0.v0.16.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved topkg.1.1.1  (cached)
-> installed cmdliner.2.1.0
-> retrieved ppxlib.0.38.0  (cached)
-> installed ocamlfind.1.9.8
-> installed ocamlbuild.0.16.1
-> installed topkg.1.1.1
-> installed fmt.0.11.0
-> installed dune.3.22.2
-> installed menhirCST.20260209
-> installed ppx_derivers.1.2.1
-> installed menhirLib.20260209
-> installed stdlib-shims.0.3.0
-> installed menhirGLR.20260209
-> installed menhirSdk.20260209
-> installed cppo.1.8.0
-> installed sexplib0.v0.16.0
-> installed ocaml-compiler-libs.v0.12.4
-> installed menhir.20260209
-> installed ppxlib.0.38.0
-> installed ppx_deriving.6.1.1
Done.
# Run eval $(opam env) to update the current shell environment
2026-04-14 09:15.33 ---> saved as "e4fe179f1a8f018bcc4b2f4977ae788cb33c5f1a253363b530598728dc1a7a4f"


/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 3.22.2).
The following actions will be performed:
=== install 11 packages
- install astring       0.8.5  [required by odoc]
- install camlp-streams 5.0.1  [required by odoc-parser]
- 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 re            1.11.0 [required by tyxml]
- install seq           base   [required by tyxml]
- 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 fpath.0.7.3  (cached)
-> retrieved ptime.1.2.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved re.1.11.0  (cached)
-> retrieved tyxml.4.6.0  (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 ptime.1.2.0
-> installed re.1.11.0
-> installed uutf.1.0.4
-> 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
2026-04-14 09:15.50 ---> saved as "dc72f1a27ead0d270150165a765a4d6cbca474a6674cb4bcf82343a0989234ce"


/src: (copy (src .) (dst /src/))
2026-04-14 09:15.50 ---> saved as "b81af4958f4ec5934a50e34a27b142fcea36387eab44d423938cb3f0002e92d4"


/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))
(cd _build/default && /home/opam/.opam/4.09/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -open Ocaml_shadow -w -9 -g -bin-annot -I src/.gospel.objs/byte -I /home/opam/.opam/4.09/lib/fmt -I /home/opam/.opam/4.09/lib/ocaml-compiler-libs/common -I /home/opam/.opam/4.09/lib/ocaml-compiler-libs/shadow -I /home/opam/.opam/4.09/lib/ocaml/compiler-libs -I /home/opam/.opam/4.09/lib/ppx_derivers -I /home/opam/.opam/4.09/lib/ppx_deriving/runtime -I /home/opam/.opam/4.09/lib/ppxlib -I /home/opam/.opam/4.09/lib/ppxlib/ast -I /home/opam/.opam/4.09/lib/ppxlib/astlib -I /home/opam/.opam/4.09/lib/ppxlib/print_diff -I /home/opam/.opam/4.09/lib/ppxlib/stdppx -I /home/opam/.opam/4.09/lib/ppxlib/traverse_builtins -I /home/opam/.opam/4.09/lib/sexplib0 -I /home/opam/.opam/4.09/lib/stdlib-shims -no-alias-deps -opaque -open Gospel -o src/.gospel.objs/byte/gospel__Opprintast.cmo -c -impl src/Opprintast.pp.ml)
File "src/Opprintast.ml", line 59, characters 46-52:
59 |           check_variable var_names t.ptyp_loc string;
^^^^^^
Error: This expression has type string loc
but an expression was expected of type string
dune build @doc failed
"/usr/bin/env" "bash" "-c" "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo "dune build @doc failed"; exit 2)" failed with exit status 2
2026-04-14 09:15.53: Job failed: Failed: Build failed