2026-05-19 17:07.18: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (f1c49da7371efbc1bbc0d23df3c8fe516864ec73) (linux-x86_64:fedora-42-5.4_opam-2.5) Base: ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" -b "main" && cd "eio" && git reset --hard f1c49da7 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b # 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 df6ab556b4610df043dd3ef62a0ddf23f8661b1c || git fetch origin master) && git reset -q --hard df6ab556b4610df043dd3ef62a0ddf23f8661b1c && 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 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.2.7.0 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 2026-05-19 17:07.18: Using cache hint "ocaml-multicore/eio-ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b-fedora-42-5.4_opam-2.5-e524e996c42a569c6e5f5979f115e97f" 2026-05-19 17:07.18: Using OBuilder spec: ((from ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b) (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 df6ab556b4610df043dd3ef62a0ddf23f8661b1c || git fetch origin master) && git reset -q --hard df6ab556b4610df043dd3ef62a0ddf23f8661b1c && 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.2.7.0 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")) ) 2026-05-19 17:07.18: Waiting for resource in pool OCluster 2026-05-19 19:43.49: Waiting for worker… 2026-05-19 19:48.03: Got resource from pool OCluster Building on doris.caelum.ci.dev All commits already cached HEAD is now at f1c49da Merge pull request #823 from patricoferris/with-env (from ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b) Unable to find image 'ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b' locally docker.io/ocaml/opam@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b: Pulling from ocaml/opam accf5bbc0c67: Pulling fs layer 416e4a8866bb: Pulling fs layer 09b2fb3c52f4: Pulling fs layer 7d4fe74f60d8: Pulling fs layer accf5bbc0c67: Waiting 416e4a8866bb: Waiting 09b2fb3c52f4: Waiting bbcb95d43ae8: Pulling fs layer 98c9e9bc3c3f: Pulling fs layer 59aec800fed7: Pulling fs layer bbcb95d43ae8: Waiting 98c9e9bc3c3f: Waiting 34843ed0e584: Pulling fs layer 424f865e9d0e: Pulling fs layer 59aec800fed7: Waiting 5594cf317ecb: Pulling fs layer 34843ed0e584: Waiting 424f865e9d0e: Waiting 7d9cba6e4af6: Pulling fs layer f8e47f2173a6: Pulling fs layer cde03adba68d: Pulling fs layer 5594cf317ecb: Waiting d670f2c79209: Pulling fs layer 7d9cba6e4af6: Waiting f8e47f2173a6: Waiting 2c9204fad5a4: Pulling fs layer d670f2c79209: Waiting cde03adba68d: Waiting e6729152ebda: Pulling fs layer 2c9204fad5a4: Waiting 38838b679ce8: Pulling fs layer e81ed02324ae: Pulling fs layer 416e5bed9209: Pulling fs layer 38838b679ce8: Waiting e6729152ebda: Waiting e81ed02324ae: Waiting 4f4fb700ef54: Pulling fs layer 416e5bed9209: Waiting d97d403a554d: Pulling fs layer 120f1228e350: Pulling fs layer 4f4fb700ef54: Waiting 5818b24e8ca2: Pulling fs layer d97d403a554d: Waiting bf4e4b4c0901: Pulling fs layer 120f1228e350: Waiting b31f5381f4f1: Pulling fs layer 5818b24e8ca2: Waiting bf4e4b4c0901: Waiting 4445c4223195: Pulling fs layer b31f5381f4f1: Waiting a1a8982696e1: Pulling fs layer 7ab4ccef3cde: Pulling fs layer 4445c4223195: Waiting a1a8982696e1: Waiting 8a8a38b5d8d7: Pulling fs layer 7ab4ccef3cde: Waiting 19f2332bf3a3: Pulling fs layer 8a8a38b5d8d7: Waiting a1f0867da660: Pulling fs layer a604f4114989: Pulling fs layer 19f2332bf3a3: Waiting 0431c6a3c3aa: Pulling fs layer a1f0867da660: Waiting 2f9c41c76f50: Pulling fs layer a604f4114989: Waiting 0431c6a3c3aa: Waiting 4d578c8862a7: Pulling fs layer 2f9c41c76f50: Waiting 93d66e8d0313: Pulling fs layer 40c5fc96fee2: Pulling fs layer 4d578c8862a7: Waiting 93d66e8d0313: Waiting d4da36e2ce4b: Pulling fs layer bebce6e9f579: Pulling fs layer 19a5d7c96867: Pulling fs layer 80f11faf4407: Pulling fs layer 40c5fc96fee2: Waiting ae1f53d7be56: Pulling fs layer 19a5d7c96867: Waiting bebce6e9f579: Waiting d4da36e2ce4b: Waiting ae1f53d7be56: Waiting 7ee912c6ade2: Pulling fs layer 80f11faf4407: Waiting accf5bbc0c67: Verifying Checksum accf5bbc0c67: Download complete 416e4a8866bb: Verifying Checksum 416e4a8866bb: Download complete accf5bbc0c67: Pull complete 416e4a8866bb: Pull complete 09b2fb3c52f4: Verifying Checksum 09b2fb3c52f4: Download complete 09b2fb3c52f4: Pull complete bbcb95d43ae8: Verifying Checksum bbcb95d43ae8: Download complete 98c9e9bc3c3f: Verifying Checksum 98c9e9bc3c3f: Download complete 59aec800fed7: Verifying Checksum 59aec800fed7: Download complete 7d4fe74f60d8: Verifying Checksum 7d4fe74f60d8: 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: Download complete d670f2c79209: Verifying Checksum d670f2c79209: Download complete cde03adba68d: Verifying Checksum cde03adba68d: Download complete e6729152ebda: Download complete 2c9204fad5a4: 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bf4e4b4c0901: Download complete b31f5381f4f1: Download complete bf4e4b4c0901: Pull complete b31f5381f4f1: Pull complete 4445c4223195: Pull complete 8a8a38b5d8d7: Download complete a1a8982696e1: Verifying Checksum a1a8982696e1: Download complete a1a8982696e1: Pull complete 7ab4ccef3cde: Verifying Checksum 7ab4ccef3cde: Download complete 7ab4ccef3cde: Pull complete 8a8a38b5d8d7: Pull complete 19f2332bf3a3: Verifying Checksum 19f2332bf3a3: Download complete 19f2332bf3a3: Pull complete a1f0867da660: Verifying Checksum a1f0867da660: Download complete a1f0867da660: Pull complete a604f4114989: Verifying Checksum a604f4114989: Download complete a604f4114989: Pull complete 2f9c41c76f50: Verifying Checksum 2f9c41c76f50: Download complete 93d66e8d0313: Verifying Checksum 93d66e8d0313: Download complete 40c5fc96fee2: Verifying Checksum 40c5fc96fee2: Download complete d4da36e2ce4b: Verifying Checksum d4da36e2ce4b: Download complete bebce6e9f579: Verifying Checksum bebce6e9f579: Download complete 19a5d7c96867: Verifying Checksum 19a5d7c96867: Download complete 80f11faf4407: Verifying Checksum 80f11faf4407: Download complete ae1f53d7be56: Verifying Checksum ae1f53d7be56: Download complete 7ee912c6ade2: Download complete 4d578c8862a7: Verifying Checksum 4d578c8862a7: Download complete 0431c6a3c3aa: Verifying Checksum 0431c6a3c3aa: Download complete 0431c6a3c3aa: Pull complete 2f9c41c76f50: Pull complete 4d578c8862a7: Pull complete 93d66e8d0313: Pull complete 40c5fc96fee2: Pull complete d4da36e2ce4b: Pull complete bebce6e9f579: Pull complete 19a5d7c96867: Pull complete 80f11faf4407: Pull complete ae1f53d7be56: Pull complete 7ee912c6ade2: Pull complete Digest: sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b Status: Downloaded newer image for ocaml/opam@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b 2026-05-19 19:58.09 ---> using "ba790be675398020330de2a054b76913bc3a727e5c23338e2b2ccfbdea979e54" 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% | 13.1 KiB/s | 18.2 KiB | 00m01s Fedora 42 - x86_64 100% | 17.2 KiB/s | 19.2 KiB | 00m01s Fedora 42 openh264 (From Cisco) - x86_ 100% | 1.2 KiB/s | 986.0 B | 00m01s Repositories loaded. Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed. Nothing to do. 2026-05-19 19:58.09 ---> using "5eb77c1b822417d504fcbbd84812183da3577926875be2ea4097881ac1201247" from cache /src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-05-19 19:58.09 ---> using "80e33e444d990d46b8e81d542128296febc0edf92f307e377856c05ed7342837" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e df6ab556b4610df043dd3ef62a0ddf23f8661b1c || git fetch origin master) && git reset -q --hard df6ab556b4610df043dd3ef62a0ddf23f8661b1c && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD fc08333d1b..df6ab556b4 master -> origin/master df6ab556b4 Merge pull request #29903 from shonfeder/release-dune-3.23.1 2026-05-19 19:58.09 ---> using "ab25089e5c9b2c6f58747d0c20a12ea0ba5967ddb13da9106b67e9f09d17e50c" 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 2.1 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 2026-05-19 19:58.09 ---> using "310bc9eb836a16f7cfae673284ced5d721c90f20f1067df1a3f988dd7aa22aa3" from cache /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 2026-05-19 19:58.09 ---> using "7c6e3ab2829bb2e3d4440c2ad6fa731181b736634ee139f8780e259977a09bec" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-19 19:58.09 ---> using "9fbceebdaf60d539976455825d23431b73127f834bc9c5a7860616b66bf14f18" 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-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 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) 2026-05-19 19:58.09 ---> using "b6e5f3a5aca1e2499518aa6a9e0e597feacd9b41b3299afca29e3c7f047672dc" from cache /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-05-19 19:58.09 ---> using "ea6c6d50e6c5c548ac2743aafe5cd620258684691b586a2cb2525c818c842921" 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) 2026-05-19 19:58.09 ---> using "637f47f90c1c06863fab559b13709a28813d3b0d5e09ea6e4e164694dd3cdc3d" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-19 19:58.09 ---> using "1f1dcd5df6da2305a7ff0c71d287dca8d2e38799ff4f43456d769875ba905878" 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.2.7.0 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) 2026-05-19 19:58.09 ---> using "9a4d7200f88266e393ee96c31e5dca59a07dc2db883cc9637a4a535ecdcccfa7" from cache /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 45 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 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 2.7.0 - 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 cmdliner.2.1.1 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved crowbar.0.2.2 (cached) -> retrieved containers.3.18 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved domain-local-timeout.1.0.1 (cached) -> retrieved dscheck.0.5.0 (cached) -> retrieved either.1.0.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved iomux.0.4 (cached) -> retrieved kcas.0.7.0 (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.2.7.0 (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 fmt.0.11.0 -> installed mtime.2.1.0 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.23.1 -> installed afl-persistent.1.4 -> installed lwt-dllist.1.1.0 -> 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 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 kcas.0.7.0 -> installed dune-configurator.3.23.1 -> installed alcotest.1.9.1 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed mdx.2.5.2 -> installed containers.3.18 -> installed uring.2.7.0 -> installed dscheck.0.5.0 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) 2026-05-19 19:58.09 ---> using "4ef55cf0a3d198579a43d8d077480eb779724775db91efe3f79cb23b4ed91a87" from cache /src: (copy (src .) (dst /src)) 2026-05-19 19:58.10 ---> saved as "2a6a2e9302b93d1bd6a8e8d6615783d2c35916d8055c0dca977042f44b5f05b2" /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 `PPPO9WUD'. [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. 2026-05-19 19:58.15 ---> saved as "c021cb20e6e84a1a162a2cb9912ed5dc924aeab712d2f0684409a0af35475930" Job succeeded 2026-05-19 19:58.15: Job succeeded