2026-04-03 12:25.38: New job: test ocaml-multicore/lwt_eio https://github.com/ocaml-multicore/lwt_eio.git#refs/heads/master (aeced087ef3d7321938db12d27327eab69d972af) (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 aeced087 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 dune-configurator.3.22.1 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 2026-04-03 12:25.38: Using cache hint "ocaml-multicore/lwt_eio-ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35-debian-13-5.1_opam-2.5-5b9aacf0e4f307dcf8142da86151efe9" 2026-04-03 12:25.38: 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 dune-configurator.3.22.1 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)")) ) 2026-04-03 12:25.38: Waiting for resource in pool OCluster 2026-04-03 12:25.38: Waiting for worker… 2026-04-03 12:26.14: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at aeced08 Merge pull request #31 from raphael-proust/lwt6-compat (from ocaml/opam:debian-13-ocaml-5.1@sha256:9fdb6b12483b6ee211502cfcdccfa603bc203949c6b28773b62e63598c724d35) 2026-04-03 12:26.15 ---> 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")) 2026-04-03 12:26.15 ---> saved as "6774b37caea75a9330717f7d76e1dbe5763f6114eb27d74cd00154507199d438" /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 12:27.06 ---> saved as "38353b8fd9d0b5017ecfc06e135479f1c1ada7341066727010c0a18fcb6eea47" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-106-generic The OCaml toplevel, version 5.1.1 2.2.1 2026-04-03 12:27.07 ---> saved as "d6ef3470da485885fea4cfd737301a150a388ef00a8c5b6a5f863b9345549876" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-03 12:27.07 ---> saved as "d288e67191947a322f5849368f09eacc7904691948e9617102898da186efb867" /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..2a4b439041 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 12:28.02 ---> saved as "a820465ecc8d7e5da89e293b09f70a4b9c73faac5a799244c6eb4886239bfd6a" /src: (copy (src lwt_eio.opam) (dst ./)) 2026-04-03 12:28.03 ---> saved as "b12e765e90d6f6f3a9716d23be1ca15d331dd37f05c5d5a040f6989484dfa1c0" /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) 2026-04-03 12:28.07 ---> saved as "f4105a6e500f6bf1eb547d760a4fc1e7cf73698d18008d03780cb8231a7ca3d5" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-03 12:28.08 ---> saved as "126830811da58e5ec0af055f17e903c4fc271d9ee37c625ad4ab9f8e78b8a19b" /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.3.22.1 dune-configurator.3.22.1 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 [119 kB] - Fetched 10.0 MB in 2s (4407 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). 2026-04-03 12:28.47 ---> saved as "5804eafdd202d8d15d9943767a6b0fad0948b76c27835126fb1bfebd28aa0207" /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 3.22.1 - install dune-configurator 3.22.1 - 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 cppo.1.8.0 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved cstruct.6.2.0 (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 lwt-dllist.1.1.0 (cached) -> retrieved eio.1.2, eio_linux.1.2, eio_main.1.2, eio_posix.1.2 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved mtime.2.1.0 (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 optint.0.3.0 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved result.1.5 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved re.1.14.0 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uring.2.7.0 (cached) -> retrieved dune.3.22.1, dune-configurator.3.22.1 (cached) -> installed cmdliner.2.1.0 -> 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.3.22.1 -> installed camlp-streams.5.0.1 -> installed psq.0.2.1 -> installed lwt-dllist.1.1.0 -> installed ocaml-version.4.0.4 -> installed csexp.1.5.2 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed optint.0.3.0 -> 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.3.22.1 -> 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 2026-04-03 12:31.28 ---> saved as "d81bcd0e3644096b9fe722b09e1aeb740b626a149dd13404169001b949f68e41" /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 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 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.3.1.0 Done. # Run eval $(opam env) to update the current shell environment 2026-04-03 12:32.06 ---> saved as "fc3e632f4fe281030b2617edac063450f17afe295f8875a47412cfcede1fee57" /src: (copy (src .) (dst /src/)) 2026-04-03 12:32.06 ---> saved as "bcaf0bd45c038999d2a8659d5ef9b1d68e93330fb02914b070df7ca2fb75f0b6" /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" 2026-04-03 12:32.07 ---> saved as "6c1d4ab0aa49336a9219643bcfe2416fd72ad7b6bbf5ba4a4d98697dd1a54e6e" Job succeeded 2026-04-03 12:32.07: Job succeeded