2026-03-23 09:24.49: New job: test realworldocaml/mdx https://github.com/realworldocaml/mdx.git#refs/heads/main (4607ca057db2fe8ecbad638ec906f4b24e554965) (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/realworldocaml/mdx.git" -b "main" && cd "mdx" && git reset --hard 4607ca05 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 b479391466e5245dda12ec6a6de5f4b13b6d603f || git fetch origin master) && git reset -q --hard b479391466e5245dda12ec6a6de5f4b13b6d603f && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 mdx.opam ./ RUN opam pin add -yn mdx.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.11.0 result.1.5 seq.base stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.2 --depext-only -y mdx.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 2026-03-23 09:24.49: Using cache hint "realworldocaml/mdx-ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47-debian-13-4.08_opam-2.5-f10f20a322a423c262a5579aaa7bd54b" 2026-03-23 09:24.49: 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 b479391466e5245dda12ec6a6de5f4b13b6d603f || git fetch origin master) && git reset -q --hard b479391466e5245dda12ec6a6de5f4b13b6d603f && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src mdx.opam) (dst ./)) (run (network host) (shell "opam pin add -yn mdx.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.11.0 result.1.5 seq.base stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4") (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 mdx.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)")) ) 2026-03-23 09:24.49: Waiting for resource in pool OCluster 2026-03-23 10:03.46: Waiting for worker… 2026-03-23 10:08.57: Got resource from pool OCluster Building on toxis.caelum.ci.dev All commits already cached HEAD is now at 4607ca0 Merge pull request #475 from anmonteiro/anmonteiro/ocaml-5.5 (from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47) 2026-03-23 10:08.58 ---> 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")) 2026-03-23 10:08.58 ---> 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 2026-03-23 10:08.58 ---> using "a125a60e5eccb505fd0bde45c9a7654bae2eb7eab13fa01be7c55cd2f87d6234" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-134-generic The OCaml toplevel, version 4.08.1 2.2.1 2026-03-23 10:08.58 ---> using "0407529f1042a28815bd61683d1dc7a2be9d395b6680bdf3553558a27842326a" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-03-23 10:08.58 ---> 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 b479391466e5245dda12ec6a6de5f4b13b6d603f || git fetch origin master) && git reset -q --hard b479391466e5245dda12ec6a6de5f4b13b6d603f && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..63b7ba71be master -> origin/master b479391466 Merge pull request #29567 from mtelvers/opam-publish-ocaml-version.4.0.4 <><> 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 2026-03-23 10:09.42 ---> saved as "5eef42e0e00ff66b071bc5c539fb29cca61dce384b05e4dc6041523dd33aebc0" /src: (copy (src mdx.opam) (dst ./)) 2026-03-23 10:09.43 ---> saved as "fc1ffe01810939f093366243a21e8787ee5bee5e2e3ef9a86e0acca67a35cc80" /src: (run (network host) (shell "opam pin add -yn mdx.dev './'")) [mdx.dev] synchronised (file:///src) mdx is now pinned to file:///src (version dev) 2026-03-23 10:09.47 ---> saved as "11c9620f4692a257744b954020c821fdda8b92e9f686e00f259590a0d7acbd54" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-03-23 10:09.47 ---> saved as "909791a96f7183aa0940e03b7f0c19f7f7f33bec072ba66db15d7f5d5775e6df" /src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.11.0 result.1.5 seq.base stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4") /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 mdx.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 [114 kB] - Fetched 10.0 MB in 2s (4522 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [mdx.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). 2026-03-23 10:10.16 ---> saved as "10ccf51c1c57ddb1dfb102dd10dc3fcc4cde6282f22fa10637039a816e393af0" /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 23 packages - install alcotest 1.9.1 - install astring 0.8.5 - install base-bytes base - install camlp-streams 5.0.1 - install cmdliner 2.1.0 - install cppo 1.8.0 - install csexp 1.5.2 - install dune 3.22.0 - install dune-configurator 3.22.0 - install fmt 0.11.0 - install logs 0.8.0 - install lwt 5.9.2 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 4.0.4 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install re 1.11.0 - install result 1.5 - install seq base - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install uutf 1.0.4 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved camlp-streams.5.0.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved logs.0.8.0 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved lwt.5.9.2 (cached) -> retrieved ocaml-version.4.0.4 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved re.1.11.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved result.1.5 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached) -> installed cmdliner.2.1.0 -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed topkg.1.1.1 -> installed uutf.1.0.4 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed dune.3.22.0 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed ocaml-syntax-shims.1.0.0 -> installed cppo.1.8.0 -> installed ocaml-version.4.0.4 -> installed re.1.11.0 -> installed result.1.5 -> installed stdlib-shims.0.3.0 -> installed ocplib-endian.1.2 -> installed alcotest.1.9.1 -> installed dune-configurator.3.22.0 -> installed lwt.5.9.2 -> installed logs.0.8.0 Done. # Run eval $(opam env) to update the current shell environment 2026-03-23 10:12.40 ---> saved as "40b6c283fdd6c512bf8df0339f47c99bb68249cf7004ec328bbe1bb6e8837239" /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 3.22.0). The following actions will be performed: === install 6 packages - 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 crunch.4.0.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved tyxml.4.6.0 (cached) -> retrieved odoc.3.1.0, odoc-parser.3.1.0 (cached) -> 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 2026-03-23 10:13.16 ---> saved as "1b2743f0b0c06383986cac2ba311187a6a3cbcb27bf88d8291ed066058f08e88" /src: (copy (src .) (dst /src/)) 2026-03-23 10:13.16 ---> saved as "a503692f5e62aacfe035b83165c6895e61403f66260f7bbf9aef26b841d593b5" /src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")) (cd _build/default/_doc/_odocls/mdx && /home/opam/.opam/4.08/bin/odoc link -I ../../_odoc/pkg/mdx -I ../../../lib/.mdx.objs/byte -I ../../../lib/test/.mdx_test.objs/byte -I ../../../lib/top/.mdx_top.objs/byte -I ../../../vendor/odoc-parser/src/.odoc_parser.objs/byte -o mdx.odocl ../../../lib/.mdx.objs/byte/mdx.odoc) File "lib/mdx.mli", line 20, characters 9-25: Warning: Reference to 'Block' is ambiguous. Please specify its kind: constructor-Block, module-Block. File "lib/util.mli", line 65, characters 6-60: Warning: Failed to resolve reference unresolvedroot(Invalid_argument) Couldn't find "Invalid_argument" 2026-03-23 10:13.18 ---> saved as "5d6f018de830307d39e0f63bbf017e9b0d9f5acc518ee0f6516efd7179d58a35" Job succeeded 2026-03-23 10:13.18: Job succeeded