2026-04-03 11:37.53: New job: test NathanReb/ppx_yojson https://github.com/NathanReb/ppx_yojson.git#refs/heads/main (2e94c7011dc606d6de40bf3700ed2e9a29c62176) (linux-x86_64:(lint-doc)) Base: ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47 Opam project lint documentation To reproduce locally: git clone --recursive "https://github.com/NathanReb/ppx_yojson.git" -b "main" && cd "ppx_yojson" && git reset --hard 2e94c701 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47 # 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_yojson.opam ./ RUN opam pin add -yn ppx_yojson.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 cstruct.6.2.0 dune.3.22.1 ezjsonm.1.3.0 fmt.0.11.0 hex.1.5.0 jsonm.1.0.2 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppxlib.0.38.0 re.1.11.0 seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.2 --depext-only -y ppx_yojson.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 11:37.53: Using cache hint "NathanReb/ppx_yojson-ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47-debian-13-4.08_opam-2.5-7b7f250e2364694cd95d9ced59b53cde" 2026-04-03 11:37.53: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47) (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_yojson.opam) (dst ./)) (run (network host) (shell "opam pin add -yn ppx_yojson.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 cstruct.6.2.0 dune.3.22.1 ezjsonm.1.3.0 fmt.0.11.0 hex.1.5.0 jsonm.1.0.2 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppxlib.0.38.0 re.1.11.0 seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4 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 ppx_yojson.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 11:37.53: Waiting for resource in pool OCluster 2026-04-03 20:23.32: Waiting for worker… 2026-04-03 20:25.31: Got resource from pool OCluster Building on eumache.caelum.ci.dev All commits already cached HEAD is now at 2e94c70 Merge pull request #46 from NathanReb/ocamlformat-0-26-1 (from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47) Unable to find image 'ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47' locally docker.io/ocaml/opam@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47: Pulling from ocaml/opam 866771c43bf5: Already exists 1e49bea09367: Already exists e793768537e6: Already exists ed323d3d481a: Already exists 7df34a5cd5f1: Already exists fd712d3eb935: Already exists 4b9fb8c99118: Already exists 9d9a01948b94: Already exists 0f1514f90b32: Already exists e1ec5a753447: Already exists 03cc323e2f71: Already exists c09c08ea9749: Already exists b36b619f8e6b: Already exists 195344ca5274: Already exists 228ee78582a6: Already exists 504bde1c25b3: Already exists 9d8b1356c89f: Already exists 9d8b1356c89f: Already exists 568fb6dda155: Already exists c499c9198aea: Already exists 048e5e358118: Already exists 871ca48eb45d: Already exists 4f4fb700ef54: Already exists a5a2568b9df9: Already exists 068cf3106ac8: Already exists 559f54ec9b29: Already exists 798ffd96fde5: Already exists e9a891bf80d7: Already exists d720cfe12674: Already exists c81c932f4a91: Already exists 79f24fa3bb11: Already exists 8c1debcd8c20: Already exists 1bb2cfea7250: Already exists 2b3d3ca75e4c: Already exists 557cacaf263c: Already exists d10483022eef: Already exists 7b62a90d8223: Already exists 28ce8ea66e72: Already exists d975909ea717: Already exists 5c215c69c247: Already exists e7c082452a54: Already exists b7df74d48e36: Already exists 66e3060fde97: Already exists 623e45e1559d: Already exists 9251109c0e89: Already exists Digest: sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47 Status: Downloaded newer image for ocaml/opam@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47 2026-04-03 20:25.31 ---> using "867303d7f04cee0d3e23016229d2a45a69516628a14dbff52754cd3cb283f66f" 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")) 2026-04-03 20:25.31 ---> using "84e1fc87343884e1d5c327fca2d33e2afa85e1eaf1b4c893d8301d60eabe4d56" 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 2026-04-03 20:25.31 ---> using "a125a60e5eccb505fd0bde45c9a7654bae2eb7eab13fa01be7c55cd2f87d6234" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-173-generic The OCaml toplevel, version 4.08.1 2.2.1 2026-04-03 20:25.31 ---> using "0407529f1042a28815bd61683d1dc7a2be9d395b6680bdf3553558a27842326a" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-03 20:25.31 ---> using "f27fcd2ece061e1cf1de6842a86dfe335065cc7f1de2f39ff10db06e5ae2f5b5" 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..d28e8bf13a 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 20:25.31 ---> using "d3fe9f6d42e3743723d43965a404ceffa267a6c164b74feb3b01bc3343c398a7" from cache /src: (copy (src ppx_yojson.opam) (dst ./)) 2026-04-03 20:25.31 ---> saved as "2075125e9b290c8206e2b154b99537f4704acaefd48c89f68a784dd8dbb207cf" /src: (run (network host) (shell "opam pin add -yn ppx_yojson.dev './'")) [ppx_yojson.dev] synchronised (file:///src) ppx_yojson is now pinned to file:///src (version dev) 2026-04-03 20:25.33 ---> saved as "bca4a71f46c175b8afba7298396e11193fa79bf58ee451786bef69c4b699e2a0" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-03 20:25.33 ---> saved as "b533510358fab207157f188634e3c216fdada4d65e2cb08a1459e1c3018b097b" /src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-threads.base base-unix.base cmdliner.2.1.0 cstruct.6.2.0 dune.3.22.1 ezjsonm.1.3.0 fmt.0.11.0 hex.1.5.0 jsonm.1.0.2 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ppx_derivers.1.2.1 ppxlib.0.38.0 re.1.11.0 seq.base sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4 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 ppx_yojson.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 (4087 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [ppx_yojson.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). 2026-04-03 20:25.47 ---> saved as "10a7f5c1f7f904217ece1584efa25fb8a9bc816b897c57622d235474f0b31b40" /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 22 packages - install alcotest 1.9.1 - install astring 0.8.5 - install cmdliner 2.1.0 - install cstruct 6.2.0 - install dune 3.22.1 - install ezjsonm 1.3.0 - install fmt 0.11.0 - install hex 1.5.0 - install jsonm 1.0.2 - install ocaml-compiler-libs v0.12.4 - install ocaml-syntax-shims 1.0.0 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ppx_derivers 1.2.1 - install ppxlib 0.38.0 - install re 1.11.0 - install seq base - install sexplib0 v0.16.0 - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install uutf 1.0.4 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved ezjsonm.1.3.0 (cached) -> retrieved hex.1.5.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved jsonm.1.0.2 (cached) -> retrieved ocaml-compiler-libs.v0.12.4 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved re.1.11.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved sexplib0.v0.16.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved ppxlib.0.38.0 (cached) -> retrieved dune.3.22.1 (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 astring.0.8.5 -> installed jsonm.1.0.2 -> installed dune.3.22.1 -> installed ppx_derivers.1.2.1 -> installed stdlib-shims.0.3.0 -> installed cstruct.6.2.0 -> installed sexplib0.v0.16.0 -> installed ocaml-syntax-shims.1.0.0 -> installed hex.1.5.0 -> installed ocaml-compiler-libs.v0.12.4 -> installed ezjsonm.1.3.0 -> installed re.1.11.0 -> installed yojson.3.0.0 -> installed alcotest.1.9.1 -> installed ppxlib.0.38.0 Done. # Run eval $(opam env) to update the current shell environment 2026-04-03 20:27.02 ---> saved as "b9bbfed3b3bb76f1a13993fa787e708ffacce222d86ed4ba4e43d91815a6d746" /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 8 packages - install camlp-streams 5.0.1 [required by odoc-parser] - install cppo 1.8.0 [required by odoc] - 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] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved camlp-streams.5.0.1 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved crunch.4.0.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved ptime.1.2.0 (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 cppo.1.8.0 -> installed fpath.0.7.3 -> installed ptime.1.2.0 -> 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 2026-04-03 20:27.40 ---> saved as "5422769dc4f0c704a8bbc1e348cfc9d5bc56b7dbfd7dca12f6a001dc47f8da28" /src: (copy (src .) (dst /src/)) 2026-04-03 20:27.40 ---> saved as "7dbd1f5a57fb3fa4dfd83e4062d6c3004429332ac335bedf1917f26240f6da94" /src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")) File "dune-project", lines 24-27, characters 2-50: 24 | (ppxlib 25 | (and 26 | :with-test 27 | (>= 0.26.0))) Warning: Duplicate dependency on package (ppxlib (and :with-test (>= 0.26.0))) in 'depends' field. If you want to specify multiple constraints, combine them using (and ...). Hint: To disable this warning, add the following to your dune-project file: (warnings (duplicate_deps disabled)) 2026-04-03 20:27.42 ---> saved as "3a5f31967860c95fac535427b41a3a2626cd55ee99a720eadb508ac228e62d9c" Job succeeded 2026-04-03 20:27.42: Job succeeded