2026-06-09 10:09.17: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/851/head (a1f7b6848795abf641d8b1843bb7a1e56f869a03) (linux-x86_64:fedora-42-5.4_opam-2.5) Base: ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/851/head" && git reset --hard a1f7b684 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d # fedora-42-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo dnf install -y findutils RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN cd ~/opam-repository && (git cat-file -e c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN opam update -u COPY --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 lintcstubs-arity.0.5.2 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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-06-09 10:09.17: Using cache hint "ocaml-multicore/eio-ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d-fedora-42-5.4_opam-2.5-12c456a1f67161cdda644e9d789b7618" 2026-06-09 10:09.17: Using OBuilder spec: ((from ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d) (comment fedora-42-5.4_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (network host) (shell "sudo dnf install -y findutils")) (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 c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && 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 lintcstubs-arity.0.5.2 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")) ) 2026-06-09 10:09.17: Waiting for resource in pool OCluster 2026-06-09 10:09.17: Waiting for worker… 2026-06-09 10:09.17: Got resource from pool OCluster Building on eumache.caelum.ci.dev hint: Using 'master' as the name for the initial branch. This default branch name hint: will change to "main" in Git 3.0. To configure the initial branch name hint: to use in all of your new repositories, which will suppress this warning, hint: call: hint: hint: git config --global init.defaultBranch <name> hint: hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and hint: 'development'. The just-created branch can be renamed via this command: hint: hint: git branch -m <name> hint: hint: Disable this message with "git config set advice.defaultBranchName false" Initialised empty Git repository in /var/cache/obuilder/ocluster/git/eio.git-2ac56b2ed1de05e0591ad64f831b4a4fd3ce42f2/.git/ HEAD is now at a1f7b68 eio_linux: remove unused code (from ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d) Unable to find image 'ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d' locally docker.io/ocaml/opam@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d: Pulling from ocaml/opam accf5bbc0c67: Already exists 416e4a8866bb: Already exists 09b2fb3c52f4: Already exists 7d4fe74f60d8: Already exists bbcb95d43ae8: Already exists 98c9e9bc3c3f: Already exists 59aec800fed7: Already exists 34843ed0e584: Already exists 424f865e9d0e: Already exists 5594cf317ecb: Already exists 7d9cba6e4af6: Already exists f8e47f2173a6: Already exists cde03adba68d: Already exists d670f2c79209: Already exists 2c9204fad5a4: Already exists 2c9204fad5a4: Already exists e6729152ebda: Already exists 38838b679ce8: Already exists e81ed02324ae: Already exists 416e5bed9209: Already exists 4f4fb700ef54: Already exists d97d403a554d: Already exists 120f1228e350: Already exists 5818b24e8ca2: Already exists bf4e4b4c0901: Already exists b31f5381f4f1: Already exists 4445c4223195: Already exists a1a8982696e1: Already exists 7ab4ccef3cde: Already exists 8a8a38b5d8d7: Already exists 19f2332bf3a3: Already exists a1f0867da660: Already exists a604f4114989: Already exists bf4b5fe0fe66: Pulling fs layer 9d22d913ab1d: Pulling fs layer 5d926421f4f1: Pulling fs layer 2386a73d5091: Pulling fs layer d7b98ab5b0d7: Pulling fs layer 9d22d913ab1d: Waiting 94cd77442af0: Pulling fs layer 5d926421f4f1: Waiting 2386a73d5091: Waiting 6b0323e475d7: Pulling fs layer d7b98ab5b0d7: Waiting 173c88f1e7ad: Pulling fs layer 94cd77442af0: Waiting 99d34be5d147: Pulling fs layer bf4b5fe0fe66: Waiting 6b0323e475d7: Waiting 6112d8a820bc: Pulling fs layer 173c88f1e7ad: Waiting bf94500d12c1: Pulling fs layer 99d34be5d147: Waiting 6112d8a820bc: Waiting bf94500d12c1: Waiting 9d22d913ab1d: Verifying Checksum 9d22d913ab1d: Download complete 2386a73d5091: Download complete d7b98ab5b0d7: Download complete 94cd77442af0: Verifying Checksum 94cd77442af0: Download complete 5d926421f4f1: Verifying Checksum 5d926421f4f1: Download complete 6b0323e475d7: Verifying Checksum 6b0323e475d7: Download complete 99d34be5d147: Verifying Checksum 99d34be5d147: Download complete 6112d8a820bc: Verifying Checksum 6112d8a820bc: Download complete bf94500d12c1: Download complete 173c88f1e7ad: Verifying Checksum 173c88f1e7ad: Download complete bf4b5fe0fe66: Verifying Checksum bf4b5fe0fe66: Download complete bf4b5fe0fe66: Pull complete 9d22d913ab1d: Pull complete 5d926421f4f1: Pull complete 2386a73d5091: Pull complete d7b98ab5b0d7: Pull complete 94cd77442af0: Pull complete 6b0323e475d7: Pull complete 173c88f1e7ad: Pull complete 99d34be5d147: Pull complete 6112d8a820bc: Pull complete bf94500d12c1: Pull complete Digest: sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d Status: Downloaded newer image for ocaml/opam@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d 2026-06-09 10:09.19 ---> using "c6dca2590e73a9b83138662a006a0cf36547c33e4d5c5d4e517553c6590483ef" from cache /: (comment fedora-42-5.4_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (network host) (shell "sudo dnf install -y findutils")) Updating and loading repositories: Fedora 42 - x86_64 - Updates 100% | 52.9 KiB/s | 18.3 KiB | 00m00s Fedora 42 - x86_64 100% | 109.8 KiB/s | 20.5 KiB | 00m00s Repositories loaded. Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed. Nothing to do. 2026-06-09 10:09.19 ---> using "42deed05c88ae8686f33617991b01c3669241f01dd47dc333ea8f523a1e6129e" from cache /src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-06-09 10:09.19 ---> using "6314de62e7ef6d28aec92897be74ee215dbb97533ec15e348df22942a850ab66" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD d6a960ed95..b860455781 master -> origin/master c98b21e24c Merge pull request #29993 from shonfeder/conditional-mdx-tests 2026-06-09 10:09.23 ---> saved as "4ae6f0331d1015480bdccc12e9fc1771abba46f272c3679c9c01b0a27f6454ef" /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 2.1 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 1 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=1 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-09 10:09.33 ---> saved as "f0e2d4b286ac3f3ce593b44e62b8bad377c010cf126195b1809ef3267c477b88" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 7.0.0-22-generic The OCaml toplevel, version 5.4.1 2.5.1 2026-06-09 10:09.33 ---> saved as "6ffa81554d511ab23bea9044bf076c5ca1e68622d8ac96408b8c4341aa24e949" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-09 10:09.33 ---> saved as "4afe2201b23c32c2bf69f18e29ceaa7e8d4b6a0dc7ac9e6252547784ed2c6650" /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-repository Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.4.1+lrgrep -- ocaml-base-compiler.5.4.1 is installed and requires ocaml-compiler = 5.4.1 However, 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) 2026-06-09 10:09.39 ---> saved as "899d156907135b0dc9c05bf235083158eccf0d35cf40ab8056fccac784470b8a" /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-06-09 10:09.39 ---> saved as "166a3927a729c09a83fe4dcc3a33ebf43174a5fea12771df7b62e7e458b4d4cd" /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) 2026-06-09 10:09.43 ---> saved as "45c26b5f6cae4c0025fe75575a5cc201ead86e75cc5ef59846adeafb86924b3f" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-09 10:09.43 ---> saved as "703bb98c4f5260d1856d53f84d7a9ac0e78a5137a131c3ba1995b287067321c3" /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 lintcstubs-arity.0.5.2 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/sbin/sudo "yum" "makecache" - Updating and loading repositories: - Fedora 42 - x86_64 - Updates 100% | 45.2 KiB/s | 17.7 KiB | 00m00s - Repositories loaded. - Metadata cache created. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [eio.dev] synchronised (file:///src) [eio_linux.dev] synchronised (file:///src) [eio_main.dev] synchronised (file:///src) [eio_posix.dev] synchronised (file:///src) [eio_windows.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-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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-effects 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). # To update the current shell environment, run: eval $(opam env) 2026-06-09 10:09.49 ---> saved as "11ef3b56202b8259e9db6db163258d1fb2297fee5d1b26be8b994f48d0c9ca37" /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-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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-effects 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 46 packages - install afl-persistent 1.4 - install alcotest 1.9.1 - install astring 0.8.5 - install backoff 0.1.1 - install bigstringaf 0.10.0 - install camlp-streams 5.0.1 - install cmdliner 2.1.1 - install conf-bash 1 - install containers 3.18 - install cppo 1.8.0 - install crowbar 0.2.2 - install csexp 1.5.2 - install cstruct 6.2.0 - install domain-local-await 1.0.1 - install domain-local-timeout 1.0.1 - install dscheck 0.5.0 - install dune 3.23.1 - install dune-configurator 3.23.1 - install either 1.0.0 - install fmt 0.11.0 - install hmap 0.8.1 - install iomux 0.4 - install kcas 0.7.0 - install lintcstubs-arity 0.5.2 - install logs 0.10.0 - install lwt-dllist 1.1.0 - install mdx 2.5.2 - install mtime 2.1.0 - install multicore-magic 2.3.2 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 4.1.1 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install optint 0.3.0 - install oseq 0.5.1 - install psq 0.2.1 - install re 1.14.0 - install result 1.5 - install seq base - install stdlib-shims 0.3.0 - install thread-table 1.0.0 - install topkg 1.1.1 - install tsort 2.2.0 - install uring 2.14.0 - install uutf 1.0.4 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved afl-persistent.1.4 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved backoff.0.1.1 (https://opam.ocaml.org/cache) -> retrieved camlp-streams.5.0.1 (cached) -> installed conf-bash.1 -> retrieved cppo.1.8.0 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved crowbar.0.2.2 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved domain-local-timeout.1.0.1 (https://opam.ocaml.org/cache) -> retrieved dscheck.0.5.0 (https://opam.ocaml.org/cache) -> retrieved either.1.0.0 (cached) -> retrieved containers.3.18 (https://opam.ocaml.org/cache) -> retrieved fmt.0.11.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved iomux.0.4 (cached) -> retrieved lintcstubs-arity.0.5.2 (https://opam.ocaml.org/cache) -> retrieved logs.0.10.0 (cached) -> retrieved lwt-dllist.1.1.0 (cached) -> retrieved kcas.0.7.0 (https://opam.ocaml.org/cache) -> retrieved mtime.2.1.0 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.1.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved multicore-magic.2.3.2 (https://opam.ocaml.org/cache) -> retrieved optint.0.3.0 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved re.1.14.0 (cached) -> retrieved result.1.5 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved oseq.0.5.1 (https://opam.ocaml.org/cache) -> retrieved thread-table.1.0.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved tsort.2.2.0 (https://opam.ocaml.org/cache) -> retrieved uutf.1.0.4 (cached) -> retrieved dune.3.23.1, dune-configurator.3.23.1 (cached) -> retrieved uring.2.14.0 (cached) -> retrieved yojson.3.0.0 (cached) -> installed cmdliner.2.1.1 -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed hmap.0.8.1 -> installed uutf.1.0.4 -> installed mtime.2.1.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.23.1 -> installed afl-persistent.1.4 -> installed backoff.0.1.1 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed either.1.0.0 -> installed lintcstubs-arity.0.5.2 -> installed lwt-dllist.1.1.0 -> installed multicore-magic.2.3.2 -> installed ocaml-syntax-shims.1.0.0 -> installed ocaml-version.4.1.1 -> installed optint.0.3.0 -> installed oseq.0.5.1 -> installed psq.0.2.1 -> installed re.1.14.0 -> installed result.1.5 -> installed stdlib-shims.0.3.0 -> installed thread-table.1.0.0 -> installed tsort.2.2.0 -> installed yojson.3.0.0 -> installed crowbar.0.2.2 -> installed domain-local-timeout.1.0.1 -> installed domain-local-await.1.0.1 -> installed dune-configurator.3.23.1 -> installed kcas.0.7.0 -> installed alcotest.1.9.1 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed mdx.2.5.2 -> installed containers.3.18 -> installed dscheck.0.5.0 -> installed uring.2.14.0 Done. <><> afl-persistent.1.4 installed successfully ><><><><><><><><><><><><><><><><> => afl-persistent is installed, but since the current OCaml compiler does not enable AFL instrumentation by default, most packages will not be instrumented and fuzzing with afl-fuzz may not be effective. To globally enable AFL instrumentation, create an OCaml switch like: opam switch create 5.4.1+afl ocaml-variants.5.4.1+options ocaml-option-afl # To update the current shell environment, run: eval $(opam env) 2026-06-09 10:10.28 ---> saved as "0275c10f5175fa4d1a8b1a5bc8b15a42ef40fb5a64f62ae6b58c0cb2434887d8" /src: (copy (src .) (dst /src)) 2026-06-09 10:10.28 ---> saved as "f85ae3ed1c44898e4e13bb25f4a054e86752b031794d2dda1a5b146557dd56cf" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/fuzz && ./fuzz_inherit_fds.exe) inherit_fds: PASS (cd _build/default/fuzz && ./fuzz_buf_write.exe) random ops: PASS (cd _build/default/fuzz && ./fuzz_buf_read.exe) random ops: PASS (cd _build/default/lib_eio_linux/tests && ./test.exe) Testing `eio_linux'. This run has ID `KL1RK0Q3'. [OK] io 0 copy. [OK] io 1 direct_copy. [OK] io 2 poll_add. [OK] io 3 poll_add_busy. [OK] io 4 iovec. [OK] io 5 no_sqe. [OK] io 6 read_exact. [OK] io 7 expose_backend. [OK] io 8 statx. [OK] io 9 signal_race. [OK] io 10 alloc-fixed-or-wait. Full test results in `/src/_build/default/lib_eio_linux/tests/_build/_tests/eio_linux'. Test Successful in 0.006s. 11 tests run. 2026-06-09 10:10.33 ---> saved as "bcb5d244f6380f9b8b13286d943e46c803a56ab61e80c176f664473e0f3efb57" Job succeeded 2026-06-09 10:10.33: Job succeeded