2026-06-06 07:12.13: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (3ace8d9185deb633b0e5b245765b641fa3e090e6) (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" -b "main" && cd "eio" && git reset --hard 3ace8d91 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 2026-06-06 07:12.13: Using cache hint "ocaml-multicore/eio-ocaml/opam:fedora-42-ocaml-5.4@sha256:9e498c091d92dd2296c9706f4249455c4caf6aa97e22da0691cc59274d3ec32d-fedora-42-5.4_opam-2.5-12c456a1f67161cdda644e9d789b7618" 2026-06-06 07:12.13: 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")) ) 2026-06-06 07:12.13: Waiting for resource in pool OCluster 2026-06-06 11:54.30: Waiting for worker… 2026-06-06 12:00.45: Got resource from pool OCluster Building on eumache.caelum.ci.dev All commits already cached HEAD is now at 3ace8d9 Merge pull request #848 from talex5/fixbuffer (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: Pulling fs layer 416e4a8866bb: Pulling fs layer 09b2fb3c52f4: Pulling fs layer 7d4fe74f60d8: Pulling fs layer accf5bbc0c67: Waiting bbcb95d43ae8: Pulling fs layer 416e4a8866bb: Waiting 09b2fb3c52f4: Waiting 98c9e9bc3c3f: Pulling fs layer 59aec800fed7: Pulling fs layer 7d4fe74f60d8: Waiting 34843ed0e584: Pulling fs layer 424f865e9d0e: Pulling fs layer 98c9e9bc3c3f: Waiting bbcb95d43ae8: Waiting 5594cf317ecb: Pulling fs layer 59aec800fed7: Waiting 424f865e9d0e: Waiting 34843ed0e584: Waiting 7d9cba6e4af6: Pulling fs layer f8e47f2173a6: Pulling fs layer 5594cf317ecb: Waiting 7d9cba6e4af6: Waiting cde03adba68d: Pulling fs layer d670f2c79209: Pulling fs layer 2c9204fad5a4: Pulling fs layer cde03adba68d: Waiting d670f2c79209: Waiting e6729152ebda: Pulling fs layer 38838b679ce8: Pulling fs layer e6729152ebda: Waiting e81ed02324ae: Pulling fs layer 2c9204fad5a4: Waiting f8e47f2173a6: Waiting 416e5bed9209: Pulling fs layer 38838b679ce8: Waiting 4f4fb700ef54: Pulling fs layer e81ed02324ae: Waiting d97d403a554d: Pulling fs layer 120f1228e350: Pulling fs layer 416e5bed9209: Waiting 4f4fb700ef54: Waiting 5818b24e8ca2: Pulling fs layer 120f1228e350: Waiting d97d403a554d: Waiting bf4e4b4c0901: Pulling fs layer b31f5381f4f1: Pulling fs layer bf4e4b4c0901: Waiting 4445c4223195: Pulling fs layer 5818b24e8ca2: Waiting a1a8982696e1: Pulling fs layer b31f5381f4f1: Waiting 4445c4223195: Waiting 7ab4ccef3cde: Pulling fs layer 8a8a38b5d8d7: Pulling fs layer a1a8982696e1: Waiting 19f2332bf3a3: Pulling fs layer a1f0867da660: Pulling fs layer 7ab4ccef3cde: Waiting 8a8a38b5d8d7: Waiting 19f2332bf3a3: Waiting a604f4114989: Pulling fs layer bf4b5fe0fe66: Pulling fs layer a1f0867da660: Waiting a604f4114989: Waiting 9d22d913ab1d: Pulling fs layer bf4b5fe0fe66: Waiting 5d926421f4f1: Pulling fs layer 9d22d913ab1d: Waiting 2386a73d5091: Pulling fs layer d7b98ab5b0d7: Pulling fs layer 94cd77442af0: Pulling fs layer 5d926421f4f1: Waiting 2386a73d5091: Waiting d7b98ab5b0d7: Waiting 6b0323e475d7: Pulling fs layer 173c88f1e7ad: Pulling fs layer 6b0323e475d7: Waiting 99d34be5d147: Pulling fs layer 173c88f1e7ad: Waiting 6112d8a820bc: Pulling fs layer bf94500d12c1: Pulling fs layer 6112d8a820bc: Waiting 99d34be5d147: Waiting bf94500d12c1: Waiting 416e4a8866bb: Download complete accf5bbc0c67: Verifying Checksum accf5bbc0c67: Download complete accf5bbc0c67: Pull complete 416e4a8866bb: Pull complete 7d4fe74f60d8: Verifying Checksum 7d4fe74f60d8: Download complete bbcb95d43ae8: Verifying Checksum bbcb95d43ae8: Download complete 98c9e9bc3c3f: Verifying Checksum 98c9e9bc3c3f: Download complete 59aec800fed7: Verifying Checksum 59aec800fed7: Download complete 34843ed0e584: Verifying Checksum 34843ed0e584: Download complete 424f865e9d0e: Verifying Checksum 424f865e9d0e: Download complete 5594cf317ecb: Verifying Checksum 5594cf317ecb: Download complete 7d9cba6e4af6: Verifying Checksum 7d9cba6e4af6: Download complete f8e47f2173a6: Verifying Checksum f8e47f2173a6: Download complete 09b2fb3c52f4: Verifying Checksum 09b2fb3c52f4: Download complete cde03adba68d: Download complete d670f2c79209: Download complete 2c9204fad5a4: Verifying Checksum 2c9204fad5a4: Download complete e6729152ebda: Verifying Checksum e6729152ebda: Download complete e81ed02324ae: Download complete 416e5bed9209: Download complete 38838b679ce8: Download complete 4f4fb700ef54: Download complete 120f1228e350: Verifying Checksum 120f1228e350: Download complete 5818b24e8ca2: Download complete d97d403a554d: Verifying Checksum d97d403a554d: Download complete bf4e4b4c0901: Download complete 4445c4223195: Verifying Checksum 4445c4223195: Download complete b31f5381f4f1: Verifying Checksum b31f5381f4f1: Download complete a1a8982696e1: Verifying Checksum a1a8982696e1: Download complete 7ab4ccef3cde: Verifying Checksum 7ab4ccef3cde: Download complete 8a8a38b5d8d7: Verifying Checksum 8a8a38b5d8d7: Download complete 19f2332bf3a3: Verifying Checksum 19f2332bf3a3: Download complete a1f0867da660: Verifying Checksum a1f0867da660: Download complete a604f4114989: Verifying Checksum a604f4114989: Download complete 9d22d913ab1d: Verifying Checksum 9d22d913ab1d: Download complete 2386a73d5091: Verifying Checksum 2386a73d5091: Download complete 09b2fb3c52f4: Pull 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Verifying Checksum bf4b5fe0fe66: Download complete 99d34be5d147: Verifying Checksum 99d34be5d147: Download complete 6112d8a820bc: Verifying Checksum 6112d8a820bc: Download complete bf94500d12c1: Verifying Checksum bf94500d12c1: Download complete 173c88f1e7ad: Verifying Checksum 173c88f1e7ad: Download complete 5d926421f4f1: Verifying Checksum 5d926421f4f1: 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 2026-06-06 12:01.02 ---> saved as "c6dca2590e73a9b83138662a006a0cf36547c33e4d5c5d4e517553c6590483ef" /: (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% | 52.3 KiB/s | 18.3 KiB | 00m00s Fedora 42 - x86_64 100% | 87.6 KiB/s | 20.1 KiB | 00m00s Repositories loaded. Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed. Nothing to do. 2026-06-06 12:01.06 ---> saved as "42deed05c88ae8686f33617991b01c3669241f01dd47dc333ea8f523a1e6129e" /src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-06-06 12:01.07 ---> saved as "6314de62e7ef6d28aec92897be74ee215dbb97533ec15e348df22942a850ab66" /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..c98b21e24c master -> origin/master c98b21e24c Merge pull request #29993 from shonfeder/conditional-mdx-tests 2026-06-06 12:01.16 ---> 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. [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 Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-06 12:01.31 ---> saved as "f0e2d4b286ac3f3ce593b44e62b8bad377c010cf126195b1809ef3267c477b88" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-111-generic The OCaml toplevel, version 5.4.1 2.5.1 2026-06-06 12:01.32 ---> saved as "6ffa81554d511ab23bea9044bf076c5ca1e68622d8ac96408b8c4341aa24e949" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-06 12:01.33 ---> 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) 2026-06-06 12:01.45 ---> saved as "899d156907135b0dc9c05bf235083158eccf0d35cf40ab8056fccac784470b8a" /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-06-06 12:01.46 ---> 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) 2026-06-06 12:01.52 ---> saved as "45c26b5f6cae4c0025fe75575a5cc201ead86e75cc5ef59846adeafb86924b3f" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-06 12:01.53 ---> 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: - 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) 2026-06-06 12:02.06 ---> 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 backoff.0.1.1 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> 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 domain-local-timeout.1.0.1 (cached) -> retrieved dscheck.0.5.0 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved containers.3.18 (cached) -> retrieved either.1.0.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved iomux.0.4 (cached) -> retrieved kcas.0.7.0 (cached) -> retrieved lintcstubs-arity.0.5.2 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved lwt-dllist.1.1.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved multicore-magic.2.3.2 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved ocaml-version.4.1.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved oseq.0.5.1 (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 stdlib-shims.0.3.0 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved tsort.2.2.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved uring.2.14.0 (cached) -> retrieved dune.3.23.1, dune-configurator.3.23.1 (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 csexp.1.5.2 -> installed backoff.0.1.1 -> 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) 2026-06-06 12:03.28 ---> saved as "0275c10f5175fa4d1a8b1a5bc8b15a42ef40fb5a64f62ae6b58c0cb2434887d8" /src: (copy (src .) (dst /src)) 2026-06-06 12:03.32 ---> saved as "741d8463a9af5bbf2714fbe06e11f732c58bd0e2e3ed51c31d60da7eb5fda7a3" /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 `A35EA35S'. [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 0.008s. 11 tests run. 2026-06-06 12:03.46 ---> saved as "40f97a8ce04db30e20584080edda6ff7bd201ab3f76cbf914d167bf625701275" Job succeeded 2026-06-06 12:03.46: Job succeeded