2026-05-26 14:09.36: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (cb582813b0cae1ba4f245b52fb214b3eceb62511) (linux-x86_64:alpine-3.23-5.4_opam-2.5)Base: ocaml/opam:alpine-3.23-ocaml-5.4@sha256:b5f9c251ed23ceaf402a2fd8548d89b9d710ba800ef8a7f46f773bfff6f63366Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/eio.git" -b "main" && cd "eio" && git reset --hard cb582813cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:alpine-3.23-ocaml-5.4@sha256:b5f9c251ed23ceaf402a2fd8548d89b9d710ba800ef8a7f46f773bfff6f63366# alpine-3.23-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 1e48ea346f1e1348b56dde290f9df854129cafb9 || git fetch origin master) && git reset -q --hard 1e48ea346f1e1348b56dde290f9df854129cafb9 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --chown=1000:1000 eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam ./RUN opam pin add -yn eio_windows.dev './' && \opam pin add -yn eio_posix.dev './' && \opam pin add -yn eio_main.dev './' && \opam pin add -yn eio_linux.dev './' && \opam pin add -yn eio.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.1 conf-bash.1 containers.3.18 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 domain-local-timeout.1.0.1 dscheck.0.5.0 dune.3.23.1 dune-configurator.3.23.1 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 optint.0.3.0 oseq.0.5.1 psq.0.2.1 re.1.14.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uring.2.14.0 uutf.1.0.4 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio_linux.dev eio.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-05-26 14:09.36: Using cache hint "ocaml-multicore/eio-ocaml/opam:alpine-3.23-ocaml-5.4@sha256:b5f9c251ed23ceaf402a2fd8548d89b9d710ba800ef8a7f46f773bfff6f63366-alpine-3.23-5.4_opam-2.5-4250105b1e60e86a47289ed3032a49ad"2026-05-26 14:09.36: Using OBuilder spec:((from ocaml/opam:alpine-3.23-ocaml-5.4@sha256:b5f9c251ed23ceaf402a2fd8548d89b9d710ba800ef8a7f46f773bfff6f63366)(comment alpine-3.23-5.4_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-2.5 /usr/bin/opam"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 1e48ea346f1e1348b56dde290f9df854129cafb9 || git fetch origin master) && git reset -q --hard 1e48ea346f1e1348b56dde290f9df854129cafb9 && git log --no-decorate -n1 --oneline"))(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 "opam update -u"))(copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)(dst ./))(run (network host)(shell "opam pin add -yn eio_windows.dev './' && \\nopam pin add -yn eio_posix.dev './' && \\nopam pin add -yn eio_main.dev './' && \\nopam pin add -yn eio_linux.dev './' && \\nopam pin add -yn eio.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.1 conf-bash.1 containers.3.18 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 domain-local-timeout.1.0.1 dscheck.0.5.0 dune.3.23.1 dune-configurator.3.23.1 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 optint.0.3.0 oseq.0.5.1 psq.0.2.1 re.1.14.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uring.2.14.0 uutf.1.0.4 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=2.5 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio_linux.dev eio.dev $DEPS"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /src))(run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-05-26 14:09.36: Waiting for resource in pool OCluster2026-05-26 14:09.36: Waiting for worker…2026-05-26 14:15.20: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at cb58281 Merge pull request #841 from talex5/single-issuer(from ocaml/opam:alpine-3.23-ocaml-5.4@sha256:b5f9c251ed23ceaf402a2fd8548d89b9d710ba800ef8a7f46f773bfff6f63366)2026-05-26 14:18.23 ---> using "01c11b07ac2b5cd48e66007e5a5cac291b476dda37442ad969d24b0ab6dc0559" from cache/: (comment alpine-3.23-5.4_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-2.5 /usr/bin/opam"))2026-05-26 14:18.23 ---> using "a8a9ea5c59254a5a0f8f67ea52c72885ad5d9b7a990b02c87babbf030ab69642" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 1e48ea346f1e1348b56dde290f9df854129cafb9 || git fetch origin master) && git reset -q --hard 1e48ea346f1e1348b56dde290f9df854129cafb9 && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD045748b2d8..92df91e5ae master -> origin/master1e48ea346f Merge pull request #29954 from talex5/release-uring-v2.14.02026-05-26 14:18.23 ---> using "d2b0117499ef13351ba1b5b5e43ad84eab9debcac8e2baa67ad25809ac3c7087" 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 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-05-26 14:18.23 ---> using "98b69df37fb218b8d057643345780d062087d773dcdec96b75ff97e72a76705e" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 5.4.12.5.12026-05-26 14:18.23 ---> using "e3d6ff2ffac372b9549e4fd2ba96a0c4490fcfc5c1625691969b58c013068b8d" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-26 14:18.23 ---> using "a5eb1c76ad6aab729d2b78439b67e6e4c0399cbabfe45cb1e866cf9b1aeeb609" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///home/opam/opam-repositoryEverything as up-to-date as possibleHowever, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-05-26 14:18.23 ---> using "e061b9e5a4fdbd24fb55ad1e0bcec6f72d90c6484831a6cd581ce49e2bc3386e" from cache/src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)(dst ./))2026-05-26 14:18.23 ---> using "767595da2bfcb29d15c58c9d2a1443882501d5c6ac0a1bb7e024f854dff166bb" from cache/src: (run (network host)(shell "opam pin add -yn eio_windows.dev './' && \\nopam pin add -yn eio_posix.dev './' && \\nopam pin add -yn eio_main.dev './' && \\nopam pin add -yn eio_linux.dev './' && \\nopam pin add -yn eio.dev './'"))[eio_windows.dev] synchronised (file:///src)eio_windows is now pinned to file:///src (version dev)[eio_posix.dev] synchronised (file:///src)eio_posix is now pinned to file:///src (version dev)[eio_main.dev] synchronised (file:///src)eio_main is now pinned to file:///src (version dev)[eio_linux.dev] synchronised (file:///src)eio_linux is now pinned to file:///src (version dev)[eio.dev] synchronised (file:///src)eio is now pinned to file:///src (version dev)2026-05-26 14:18.23 ---> using "269a203f23b88b2031db088afcf2ab0030420d5f40a2760d5ae346b760808fd8" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-26 14:18.23 ---> using "6e5d4bc58f1d45e3bc07a7ed899695d92805c1684862b37c97d624af71bff461" from cache/src: (env DEPS "afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.1 conf-bash.1 containers.3.18 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 domain-local-timeout.1.0.1 dscheck.0.5.0 dune.3.23.1 dune-configurator.3.23.1 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 optint.0.3.0 oseq.0.5.1 psq.0.2.1 re.1.14.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uring.2.14.0 uutf.1.0.4 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=2.5 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio_linux.dev eio.dev $DEPS"))+ /usr/bin/sudo "apk" "update"- WARNING: updating https://dl-cdn.alpinelinux.org/alpine/v3.23/main/x86_64/APKINDEX.tar.gz: DNS: transient error (try again later)- v3.23.4-56-gd10cf99da98 [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]- v3.23.4-286-g80518573ecc [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]- v20260127-10322-gb47a80c6f4d [https://dl-cdn.alpinelinux.org/alpine/edge/main]- v20260127-10360-ga5b95aa9e3a [https://dl-cdn.alpinelinux.org/alpine/edge/community]- v20260127-10360-ga5b95aa9e3a [https://dl-cdn.alpinelinux.org/alpine/edge/testing]- 0 unavailable, 1 stale; 62330 distinct packages availableFatal error: System package update failed with exit code 1 at command:sudo apk update"/usr/bin/env" "bash" "-c" "opam update --depexts && opam install --cli=2.5 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio_linux.dev eio.dev $DEPS" failed with exit status 992026-05-26 14:18.39: Job failed: Failed: Build failed