2026-03-31 14:33.33: New job: test ocaml-multicore/lwt_eio https://github.com/ocaml-multicore/lwt_eio.git#refs/heads/master (e3679c5296dd0aacac825735dab45ded26d55821) (linux-x86_64:(lint-doc)) Base: ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35 Opam project lint documentation To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/lwt_eio.git" -b "master" && cd "lwt_eio" && git reset --hard e3679c52 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35 # debian-13-5.1_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 fa13386c66935e14b279e9af8d7c721a841edf96 || git fetch origin master) && git reset -q --hard fa13386c66935e14b279e9af8d7c721a841edf96 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 lwt_eio.opam ./ RUN opam pin add -yn lwt_eio.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.0 dune-configurator.3.22.0 eio.1.2 eio_linux.1.2 eio_main.1.2 eio_posix.1.2 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 uring.2.7.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.2 --depext-only -y lwt_eio.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 2026-03-31 14:33.33: Using cache hint "ocaml-multicore/lwt_eio-ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35-debian-13-5.1_opam-2.5-2cabc9048410de6ac72104cb3ec7b92f" 2026-03-31 14:33.33: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35) (comment debian-13-5.1_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 fa13386c66935e14b279e9af8d7c721a841edf96 || git fetch origin master) && git reset -q --hard fa13386c66935e14b279e9af8d7c721a841edf96 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src lwt_eio.opam) (dst ./)) (run (network host) (shell "opam pin add -yn lwt_eio.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.0 dune-configurator.3.22.0 eio.1.2 eio_linux.1.2 eio_main.1.2 eio_posix.1.2 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 uring.2.7.0") (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 lwt_eio.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)")) ) 2026-03-31 14:33.33: Waiting for resource in pool OCluster 2026-03-31 15:00.20: Waiting for worker… 2026-03-31 15:07.30: Got resource from pool OCluster Building on toxis.caelum.ci.dev All commits already cached HEAD is now at e3679c5 Merge pull request #30 from talex5/examples (from ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35) 2026-03-31 15:07.31 ---> using "043878a17430eb7307125489308030a24bcdcad0c95c2a109a9fe14316981ea0" from cache /: (comment debian-13-5.1_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")) 2026-03-31 15:07.31 ---> using "6774b37caea75a9330717f7d76e1dbe5763f6114eb27d74cd00154507199d438" 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 2026-03-31 15:07.31 ---> using "38353b8fd9d0b5017ecfc06e135479f1c1ada7341066727010c0a18fcb6eea47" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-173-generic The OCaml toplevel, version 5.1.1 2.2.1 2026-03-31 15:07.31 ---> using "d6ef3470da485885fea4cfd737301a150a388ef00a8c5b6a5f863b9345549876" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-03-31 15:07.31 ---> using "d288e67191947a322f5849368f09eacc7904691948e9617102898da186efb867" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e fa13386c66935e14b279e9af8d7c721a841edf96 || git fetch origin master) && git reset -q --hard fa13386c66935e14b279e9af8d7c721a841edf96 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..fdb5e370d7 master -> origin/master fa13386c66 Merge pull request #29586 from Julow/release-mdx-2.5.2 <><> 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 2026-03-31 15:07.31 ---> using "66420a3adee9b5d7624a3e62fafdb2e8e12e7854c06adbd72013703fe8b37a16" from cache /src: (copy (src lwt_eio.opam) (dst ./)) 2026-03-31 15:07.31 ---> saved as "189afc0e00a0e83d1f856f1ea4d4b8bfecff68cef63354225d39268d804162c9" /src: (run (network host) (shell "opam pin add -yn lwt_eio.dev './'")) [lwt_eio.dev] synchronised (file:///src) lwt_eio is now pinned to file:///src (version dev) 2026-03-31 15:07.34 ---> saved as "e35c505a921aaec195973458c528811e1934c82895ed7152c559bd70c7cb010c" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-03-31 15:07.35 ---> saved as "d88cb4f563145307968fcc7ae162d3a61533d4328ce7db72d933fbb550030bab" /src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.0 dune-configurator.3.22.0 eio.1.2 eio_linux.1.2 eio_main.1.2 eio_posix.1.2 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.1.1 ocaml-base-compiler.5.1.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 uring.2.7.0") /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 lwt_eio.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 (4898 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt_eio.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 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.1.1). [NOTE] Package ocaml is already installed (current version is 5.1.1). [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-nnp is already installed (current version is base). [NOTE] Package base-domains is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). 2026-03-31 15:08.00 ---> saved as "e18d615d60bd8a75fd05b2e75e61d2c6b4888b59abaa0aba2bd2c7afbcd620ba" /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 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.1.1). [NOTE] Package ocaml is already installed (current version is 5.1.1). [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-nnp is already installed (current version is base). [NOTE] Package base-domains 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 35 packages - install astring 0.8.5 - install base-bytes base - install bigstringaf 0.10.0 - install camlp-streams 5.0.1 - install cmdliner 2.1.0 - install cppo 1.8.0 - install csexp 1.5.2 - install cstruct 6.2.0 - install domain-local-await 1.0.1 - install dune 3.22.0 - install dune-configurator 3.22.0 - install eio 1.2 - install eio_linux 1.2 - install eio_main 1.2 - install eio_posix 1.2 - install fmt 0.11.0 - install hmap 0.8.1 - install iomux 0.4 - install logs 0.10.0 - install lwt 6.1.1 - install lwt-dllist 1.1.0 - install mdx 2.5.2 - install mtime 2.1.0 - install ocaml-version 4.0.4 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install optint 0.3.0 - install psq 0.2.1 - install re 1.14.0 - install result 1.5 - install seq base - install thread-table 1.0.0 - install topkg 1.1.1 - install uring 2.7.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved bigstringaf.0.10.0 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved iomux.0.4 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved lwt.6.1.1 (cached) -> retrieved eio.1.2, eio_linux.1.2, eio_main.1.2, eio_posix.1.2 (cached) -> retrieved lwt-dllist.1.1.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved ocaml-version.4.0.4 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved re.1.14.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved result.1.5 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached) -> retrieved uring.2.7.0 (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 hmap.0.8.1 -> installed mtime.2.1.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed dune.3.22.0 -> installed lwt-dllist.1.1.0 -> installed ocaml-version.4.0.4 -> installed result.1.5 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed optint.0.3.0 -> installed psq.0.2.1 -> installed thread-table.1.0.0 -> installed re.1.14.0 -> installed domain-local-await.1.0.1 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.22.0 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed eio.1.2 -> installed uring.2.7.0 -> installed lwt.6.1.1 -> installed eio_linux.1.2 -> installed eio_posix.1.2 -> installed eio_main.1.2 -> installed logs.0.10.0 -> installed mdx.2.5.2 Done. # Run eval $(opam env) to update the current shell environment 2026-03-31 15:10.20 ---> saved as "d3d568e92ba93c0a5b80a6286b0613c253205cf2652e03fef8675a8005201dcd" /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 7 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] - install uutf 1.0.4 [required by tyxml] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved crunch.4.0.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved tyxml.4.6.0 (cached) -> retrieved odoc.3.1.0, odoc-parser.3.1.0 (cached) -> installed fpath.0.7.3 -> installed uutf.1.0.4 -> installed ptime.1.2.0 -> installed odoc-parser.3.1.0 -> installed crunch.4.0.0 -> installed tyxml.4.6.0 -> installed odoc.3.1.0 Done. # Run eval $(opam env) to update the current shell environment 2026-03-31 15:11.03 ---> saved as "26d241f6967ccf270d74f173f1a7e1254fc4b95df13bdcd038435e38cc6fdbfa" /src: (copy (src .) (dst /src/)) 2026-03-31 15:11.03 ---> saved as "3712a3fb2d64766624aecaa2207a599959d80572d28695e8e5cb9e660a8cb890" /src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")) (cd _build/default/_doc/_odocls/lwt_eio && /home/opam/.opam/5.1/bin/odoc link -I ../../_odoc/pkg/lwt_eio -I ../../../lib/.lwt_eio.objs/byte -o lwt_eio.odocl ../../../lib/.lwt_eio.objs/byte/lwt_eio.odoc) File "lib/lwt_eio.mli", line 61, characters 21-50: Warning: Failed to resolve reference unresolvedroot(Lwt_preemptive).run_in_main Couldn't find "Lwt_preemptive" File "lib/lwt_eio.mli", line 25, characters 16-36: Warning: Failed to resolve reference unresolvedroot(Eio).Promise.await Couldn't find "Eio" 2026-03-31 15:11.04 ---> saved as "29090cec6350cd1437ff65cd2dc19f29ab3b28aee1425f78ab9d5d91015dccce" Job succeeded 2026-03-31 15:11.04: Job succeeded