2026-02-13 08:05.29: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/dependabot/github_actions/actions/checkout-6 (ab175d87a5b0b03034040da9b3097a82fc0b9958) (linux-x86_64:(lint-doc)) Base: ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7 Opam project lint documentation To reproduce locally: git clone --recursive "https://github.com/jmid/mutaml.git" -b "dependabot/github_actions/actions/checkout-6" && cd "mutaml" && git reset --hard ab175d87 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7 # 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 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 mutaml.opam ./ RUN opam pin add -yn mutaml.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="base.v0.15.1 base-bigarray.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.21.1 dune-configurator.3.21.1 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.0.3 ppx_js_style.v0.15.0 ppx_yojson_conv.v0.15.1 ppx_yojson_conv_lib.v0.15.0 ppxlib.0.35.0 seq.base sexplib0.v0.15.1 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.2 --depext-only -y mutaml.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 2026-02-13 08:05.29: Using cache hint "jmid/mutaml-ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7-debian-13-4.12_opam-2.5-7b53de7175a9ed5ad3597004baa5c012" 2026-02-13 08:05.29: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7) (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 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src mutaml.opam) (dst ./)) (run (network host) (shell "opam pin add -yn mutaml.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "base.v0.15.1 base-bigarray.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.21.1 dune-configurator.3.21.1 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.0.3 ppx_js_style.v0.15.0 ppx_yojson_conv.v0.15.1 ppx_yojson_conv_lib.v0.15.0 ppxlib.0.35.0 seq.base sexplib0.v0.15.1 stdlib-random.1.2.0 stdlib-shims.0.3.0 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 mutaml.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)")) ) 2026-02-13 08:05.29: Waiting for resource in pool OCluster 2026-02-13 08:45.44: Waiting for worker… 2026-02-13 08:48.41: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at ab175d8 Bump actions/checkout from 5 to 6 (from ocaml/opam:debian-13-ocaml-4.12@sha256:31d9dbede0f78d56760049fd006989ebb3dcc8591cf393c369d27567889941f7) 2026-02-13 08:48.41 ---> using "4d1d68efb85067cf7a79fa9007242e66e40b48ace5a5648cd96317ff96a438e1" 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")) 2026-02-13 08:48.41 ---> using "cb2f5617199972131f688a9448783e5f65cefb4381be82787274defd4e4f192a" 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 2026-02-13 08:48.41 ---> using "6171645077a1412a698ac341aa3e8c415a8f79bc67b2e6c53ecb464b2ed87ea0" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 4.12.1 2.2.1 2026-02-13 08:48.41 ---> using "f5d0d374ee589a8b41ef0d671bc1b9269145ed71a2ee11d20545663d59c15e42" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-02-13 08:48.41 ---> using "6f6638c4695cd3c6aad3ed2acb7ae3b066ecd943f321b9446ac099b4f7a7a29a" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 340ee6fd1f..302e116c40 master -> origin/master 302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1 <><> 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 2026-02-13 08:48.41 ---> using "f3ea75433fe8ddd772324585bedf88182b89ce96f6780ab124a5f8ac9eaa5aa1" from cache /src: (copy (src mutaml.opam) (dst ./)) 2026-02-13 08:48.41 ---> using "8a843d50b3950a5b79b0263167bc689077910514d754a89313de6612aff4b103" from cache /src: (run (network host) (shell "opam pin add -yn mutaml.dev './'")) [mutaml.dev] synchronised (file:///src) mutaml is now pinned to file:///src (version dev) 2026-02-13 08:48.41 ---> using "ca1cb69ed712ac2ef9d5155938e3f2a998c8111e253d9a04603c3a8a8fd10973" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-02-13 08:48.41 ---> using "27a00d8f627cfea463a5b975151f800ddcb34c52c3418bd9bd9e4e35857b6ded" from cache /src: (env DEPS "base.v0.15.1 base-bigarray.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.21.1 dune-configurator.3.21.1 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.0.3 ppx_js_style.v0.15.0 ppx_yojson_conv.v0.15.1 ppx_yojson_conv_lib.v0.15.0 ppxlib.0.35.0 seq.base sexplib0.v0.15.1 stdlib-random.1.2.0 stdlib-shims.0.3.0 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 mutaml.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 [108 kB] - Fetched 198 kB in 0s (1793 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [mutaml.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). 2026-02-13 08:48.41 ---> using "55057ce7cc415ede0b5df108a4b5a492aeec057992ed520ff1f4022aa22eec9a" from cache /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 22 packages - install base v0.15.1 - install conf-diffutils 2 - install conf-timeout 1 - install cppo 1.8.0 - install csexp 1.5.2 - install dune 3.21.1 - install dune-configurator 3.21.1 - install ocaml-compiler-libs v0.12.4 - install ocamlfind 1.9.8 - install octavius 1.2.2 - install ounit2 2.2.7 - install ppx_derivers 1.2.1 - install ppx_deriving 6.0.3 - install ppx_js_style v0.15.0 - install ppx_yojson_conv v0.15.1 - install ppx_yojson_conv_lib v0.15.0 - install ppxlib 0.35.0 - install seq base - install sexplib0 v0.15.1 - install stdlib-random 1.2.0 - install stdlib-shims 0.3.0 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed conf-diffutils.2 -> retrieved cppo.1.8.0 (cached) -> retrieved base.v0.15.1 (cached) -> retrieved csexp.1.5.2 (cached) -> installed conf-timeout.1 -> retrieved ocaml-compiler-libs.v0.12.4 (cached) -> retrieved octavius.1.2.2 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ounit2.2.2.7 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved ppx_js_style.v0.15.0 (cached) -> retrieved ppx_deriving.6.0.3 (cached) -> retrieved ppx_yojson_conv.v0.15.1 (cached) -> retrieved ppx_yojson_conv_lib.v0.15.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved sexplib0.v0.15.1 (cached) -> retrieved stdlib-random.1.2.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved ppxlib.0.35.0 (cached) -> retrieved dune.3.21.1, dune-configurator.3.21.1 (cached) -> installed ocamlfind.1.9.8 -> installed dune.3.21.1 -> installed ppx_derivers.1.2.1 -> installed csexp.1.5.2 -> installed cppo.1.8.0 -> installed ocaml-compiler-libs.v0.12.4 -> installed octavius.1.2.2 -> installed sexplib0.v0.15.1 -> installed stdlib-shims.0.3.0 -> installed yojson.3.0.0 -> installed stdlib-random.1.2.0 -> installed ppx_yojson_conv_lib.v0.15.0 -> installed ounit2.2.2.7 -> installed dune-configurator.3.21.1 -> installed base.v0.15.1 -> installed ppxlib.0.35.0 -> installed ppx_js_style.v0.15.0 -> installed ppx_deriving.6.0.3 -> installed ppx_yojson_conv.v0.15.1 Done. # Run eval $(opam env) to update the current shell environment 2026-02-13 08:48.42 ---> using "f2c95dfb607a3e680e8c120c6c9bc7e6dc8c4ac583df52dddd9d795a022f31b6" 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 3.21.1). 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 1.12.0 [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 fmt.0.11.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved re.1.12.0 (cached) -> retrieved topkg.1.1.1 (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 re.1.12.0 -> 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 2026-02-13 08:48.42 ---> using "3a935fde78379a7af8247521b002b5492b48af1daa2c93b543e1b6aefe822e45" from cache /src: (copy (src .) (dst /src/)) 2026-02-13 08:48.42 ---> saved as "bdbb74dac2373eefdd435edcb09c38687df31578c76d66d1785d8ded1d9d5aac" /src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")) 2026-02-13 08:48.46 ---> saved as "dc51c609c23a8d5478d933e9c9b3bf358ef02dd4d35908e6220a12918694271f" Job succeeded 2026-02-13 08:48.46: Job succeeded