2026-04-14 07:59.39: New job: test ocaml-multicore/lwt_eio https://github.com/ocaml-multicore/lwt_eio.git#refs/heads/master (1fb0815d20827bc3e336b5410fbb0d49b36f5334) (linux-x86_64:(lint-doc))Base: ocaml/opam:debian-13-ocaml-5.1@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80Opam project lint documentationTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/lwt_eio.git" -b "master" && cd "lwt_eio" && git reset --hard 1fb0815dcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.1@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80# debian-13-5.1_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.2 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN 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 -uCOPY --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.3.22.2 dune-configurator.3.22.2 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 $DEPSRUN opam install $DEPSRUN 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-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-14 07:59.39: Using cache hint "ocaml-multicore/lwt_eio-ocaml/opam:debian-13-ocaml-5.1@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80-debian-13-5.1_opam-2.5-c18972af3ca89884f8edc3cebc593046"2026-04-14 07:59.39: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.1@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80)(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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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.3.22.2 dune-configurator.3.22.2 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)")))2026-04-14 07:59.39: Waiting for resource in pool OCluster2026-04-14 08:25.29: Waiting for worker…2026-04-14 08:29.32: Got resource from pool OClusterBuilding on doris.caelum.ci.devAll commits already cachedHEAD is now at 1fb0815 Merge pull request #32 from talex5/release(from ocaml/opam:debian-13-ocaml-5.1@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80)Unable to find image 'ocaml/opam:debian-13-ocaml-5.1@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80' locallydocker.io/ocaml/opam@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80: Pulling from ocaml/opam8f6ad858d0a4: Already exists9cb5e198c8cf: Already exists2d346d36dcf2: Already existscdc35e289b8d: Already existsaeb7244bb580: Already existsfc1943254a0d: Already exists84238c416f8e: Already existsfbbfe75d3112: Already exists221fdc5d9929: Already exists1fec9149b52a: Already exists9c6e52557f24: Already exists8737f5036aae: Already existsd69c4074de14: Already exists7237152a5f04: Already existsfba4b414d8a0: Already exists40d552afb3ef: Already exists077cc17dc8e4: Already exists077cc17dc8e4: Already exists169e1be36a55: Already exists0a8a005097ab: Already existscaba3ec4b361: Already exists6a364dc641f8: Already exists4f4fb700ef54: Already existsab8052928cdc: Already existsf5717a28dd6a: Already exists79233a9b9bed: Already existsd832d53e7392: Already exists1872dad82243: Already existsbfd849b08ba7: Already exists834a8024ef15: Already exists98ccec79258b: Already existsfb48f36a0542: Already exists3688b13db8e7: Already existsa5c099f5f72c: Already exists1ff1760de5b0: Already exists98eec6764aa5: Already existsaa22ae69debd: Already exists12bfb7b962a2: Already existsec25ce9bb816: Already existsbeadd3cf7357: Already existsd0d0c65a426d: Already exists515483e45ca3: Already exists661f20af1a8e: Already exists76308b68cccc: Already existsac510092256e: Pulling fs layerc89302c3f195: Pulling fs layer4e8fe808de1a: Pulling fs layerfa690c43dd15: Pulling fs layerfa690c43dd15: Waitingc89302c3f195: Verifying Checksumc89302c3f195: Download complete4e8fe808de1a: Verifying Checksum4e8fe808de1a: Download completefa690c43dd15: Verifying Checksumfa690c43dd15: Download completeac510092256e: Verifying Checksumac510092256e: Download completeac510092256e: Pull completec89302c3f195: Pull complete4e8fe808de1a: Pull completefa690c43dd15: Pull completeDigest: sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c80Status: Downloaded newer image for ocaml/opam@sha256:797983c9507c9e2cb45b55653a3587cd658e2e6326de67c9fc8eb1e284652c802026-04-14 08:29.32 ---> using "7a8c4318ebecc195a110e805c6df6198dcb53ee500b47b3114d1212689aacb75" 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"))2026-04-14 08:29.32 ---> using "cd37a0ae84e57f98ec57b5b7ba15719dd55cf1a6596595a3742e277b06febaec" 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[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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-14 08:29.32 ---> using "d76ead2b171636183379a286c82c39ded0f6920fda0afe383fee23f3ea83e28b" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-106-genericThe OCaml toplevel, version 5.1.12.2.12026-04-14 08:29.32 ---> using "a8dc562b45465cfb02ac580ee389150fb51387ed6b11be835c2940b3ba87e6dc" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-14 08:29.32 ---> using "5ced4175c6936864eb2f4dfe795cc4d612a3885d3281f292611fe5e71a5a4943" from cache/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_HEAD95972b8834..9af1f0b103 master -> origin/master5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything 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 environment2026-04-14 08:29.53 ---> saved as "8f6a36678bba169c36d56d20e564de275313b7f699c3596c5dfe9682bdf7fdeb"/src: (copy (src lwt_eio.opam) (dst ./))2026-04-14 08:29.53 ---> saved as "e2be25973309729d56c179198f8058cb3e20a446dfa36e7c131b01e8ddbfd8c9"/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)2026-04-14 08:29.55 ---> saved as "bc2d27426b8299dfc08a755af42ff3cc5ae164c83168b8b9ad8faa5471c52e5a"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-14 08:29.55 ---> saved as "3c04d502d2381f8555468dbffdc5526d01c3c1a0d62d77696a1df16e677823ed"/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.3.22.2 dune-configurator.3.22.2 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"- 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 (1726 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).2026-04-14 08:30.04 ---> saved as "d611232651f81ef9a46ecbc71f60afdef267b88a5249c1d5d606f88538172e7a"/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 3.22.2- install dune-configurator 3.22.2- 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 camlp-streams.5.0.1 (cached)-> retrieved astring.0.8.5 (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 eio.1.2, eio_linux.1.2, eio_main.1.2, eio_posix.1.2 (cached)-> retrieved lwt.6.1.1 (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 dune.3.22.2, dune-configurator.3.22.2 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved optint.0.3.0 (cached)-> retrieved psq.0.2.1 (cached)-> retrieved seq.base (cached)-> retrieved re.1.14.0 (cached)-> retrieved result.1.5 (cached)-> retrieved thread-table.1.0.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved uring.2.7.0 (cached)-> installed cmdliner.2.1.0-> installed seq.base-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed ocamlbuild.0.16.1-> 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.3.22.2-> installed lwt-dllist.1.1.0-> installed csexp.1.5.2-> installed camlp-streams.5.0.1-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed ocaml-version.4.0.4-> installed optint.0.3.0-> installed psq.0.2.1-> installed re.1.14.0-> installed result.1.5-> installed thread-table.1.0.0-> installed ocplib-endian.1.2-> installed domain-local-await.1.0.1-> installed dune-configurator.3.22.2-> 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.2.5.2Done.# Run eval $(opam env) to update the current shell environment2026-04-14 08:30.47 ---> saved as "f8cd2638f4c9893fa7df4fdb53bcfad61bacf522e0feb43e81a7180fee418214"/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 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 tyxml.4.6.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved odoc.3.1.0, odoc-parser.3.1.0 (cached)-> installed fpath.0.7.3-> installed ptime.1.2.0-> installed uutf.1.0.4-> installed crunch.4.0.0-> installed odoc-parser.3.1.0-> installed tyxml.4.6.0-> installed odoc.3.1.0Done.# Run eval $(opam env) to update the current shell environment2026-04-14 08:31.06 ---> saved as "d8f01ce36eab54964e3bba2a2930053f69f44e7059d15a692cd7d13f01be2c4b"/src: (copy (src .) (dst /src/))2026-04-14 08:31.07 ---> saved as "0ee3706a6583cfbd1efd43f2bd6a52db0141bcb6a550e43336e6c00e30bdbb56"/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"2026-04-14 08:31.07 ---> saved as "6fed11fb8b9f4edf0967e1b672a2a042c1b6eb90a29167e5baf48c80964238b2"Job succeeded2026-04-14 08:31.07: Job succeeded