2026-04-16 16:38.21: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/836/head (807ad3dd0c60e1892dae71706411eac219bbfb7c) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/836/head" && git reset --hard 807ad3dd cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b # ubuntu-25.10-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && 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.2.1.0 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.3.22.2 dune-configurator.3.22.2 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.4.0.4 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 2026-04-16 16:38.21: Using cache hint "ocaml-multicore/eio-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b-ubuntu-25.10-5.4_opam-2.5-78b10dca7bbaecb4915942b991de8795" 2026-04-16 16:38.21: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b) (comment ubuntu-25.10-5.4_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 (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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && 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.2.1.0 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.3.22.2 dune-configurator.3.22.2 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.4.0.4 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")) ) 2026-04-16 16:38.21: Waiting for resource in pool OCluster 2026-04-16 18:30.57: Waiting for worker… 2026-04-16 18:47.02: Got resource from pool OCluster Building on doris.caelum.ci.dev All commits already cached HEAD is now at 807ad3d Make Linux and Posix eventfd functions configurable (from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b) Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b' locally docker.io/ocaml/opam@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b: Pulling from ocaml/opam 16c195d4c5e9: Pulling fs layer 1c62812e7321: Pulling fs layer 8a4b09d2a7a7: Pulling fs layer 3318481042ff: Pulling fs layer 3efb10c5a696: Pulling fs layer 888f94101ffe: Pulling fs layer cb111e18f70b: Pulling fs layer 4577a01d97fc: Pulling fs layer 36c03f94b287: Pulling fs layer b55120cc7c58: Pulling fs layer 40f87b6b7b5e: Pulling fs layer b6b4461886a5: Pulling fs layer 3efb10c5a696: Waiting 82cf66283d29: Pulling fs layer 888f94101ffe: Waiting 1a02079536a8: Pulling fs layer 2e0bc88eb84b: Pulling fs layer 09b28afbcd46: Pulling fs layer 00cd2b8865d8: Pulling fs layer 2e4e2f0309f4: Pulling fs layer cb111e18f70b: Waiting 50db42a840cc: Pulling fs layer 5913402ab519: Pulling fs layer 4577a01d97fc: Waiting 519e922f93a7: Pulling fs layer 332f52403f35: Pulling fs layer 4f4fb700ef54: Pulling fs layer a6f5d82bd51a: Pulling fs layer 36c03f94b287: Waiting 22b6b33dc014: Pulling fs layer c4ba1bb0beef: Pulling fs layer 819f9134fecb: Pulling fs layer 3a2ab9b94171: Pulling fs layer 1cf4451cd5ed: Pulling fs layer ff69b5cd68bc: Pulling fs layer cd0e15413539: Pulling fs layer 3f08ff270ed3: Pulling fs layer 7a3d3f919aa8: Pulling fs layer c98da4399bf5: Pulling fs layer af6ae49e31af: Pulling fs layer 1c5876ef1c32: Pulling fs layer 0090888c3ffc: Pulling fs layer 82cf66283d29: Waiting 201e5e865a7a: Pulling fs layer 1a02079536a8: Waiting d369afea098a: Pulling fs layer b55120cc7c58: Waiting b826f9587249: Pulling fs layer b6b4461886a5: Waiting 2e0bc88eb84b: Waiting 40f87b6b7b5e: Waiting d7b96966ef4d: Pulling fs layer 679cdcbf0694: Pulling fs layer 09b28afbcd46: Waiting 3318481042ff: Waiting 50db42a840cc: Waiting 1c95b99f9a8a: Pulling fs layer 5913402ab519: Waiting 0768d7b60399: Pulling fs layer 00cd2b8865d8: Waiting 519e922f93a7: Waiting 2e4e2f0309f4: Waiting 4f4fb700ef54: Waiting 8ee00cb0cdd7: Pulling fs layer 332f52403f35: Waiting a6f5d82bd51a: Waiting 172110b2444b: Pulling fs layer 7a3d3f919aa8: Waiting 0090888c3ffc: Waiting 1c5876ef1c32: Waiting 201e5e865a7a: Waiting d369afea098a: Waiting 0e9c7540a7ed: Pulling fs layer 9cee72d1c6b0: Pulling fs layer b826f9587249: Waiting 22b6b33dc014: Waiting c4ba1bb0beef: Waiting 3a2ab9b94171: Waiting 679cdcbf0694: Waiting d7b96966ef4d: Waiting 1cf4451cd5ed: Waiting 819f9134fecb: Waiting 1c95b99f9a8a: Waiting ff69b5cd68bc: Waiting 9cee72d1c6b0: Waiting 8ee00cb0cdd7: Waiting 172110b2444b: Waiting 0768d7b60399: Waiting 0e9c7540a7ed: Waiting cd0e15413539: Waiting 3f08ff270ed3: Waiting af6ae49e31af: Waiting c98da4399bf5: Waiting 8a4b09d2a7a7: Verifying Checksum 8a4b09d2a7a7: Download complete 1c62812e7321: Download complete 16c195d4c5e9: Verifying Checksum 16c195d4c5e9: Download complete 3318481042ff: Verifying Checksum 3318481042ff: Download complete cb111e18f70b: Verifying Checksum cb111e18f70b: Download complete 4577a01d97fc: Verifying Checksum 4577a01d97fc: Download complete 3efb10c5a696: Verifying Checksum 3efb10c5a696: Download complete 16c195d4c5e9: Pull complete 1c62812e7321: Pull complete 8a4b09d2a7a7: Pull complete b55120cc7c58: Verifying Checksum b55120cc7c58: Download complete 36c03f94b287: Download complete 888f94101ffe: Verifying Checksum 888f94101ffe: Download complete 40f87b6b7b5e: Verifying Checksum 40f87b6b7b5e: Download complete b6b4461886a5: Verifying 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Verifying Checksum 8ee00cb0cdd7: Download complete 888f94101ffe: Pull complete cb111e18f70b: Pull complete 4577a01d97fc: Pull complete 36c03f94b287: Pull complete b55120cc7c58: Pull complete 40f87b6b7b5e: Pull complete b6b4461886a5: Pull complete 82cf66283d29: Pull complete 1a02079536a8: Pull complete 2e0bc88eb84b: Pull complete 09b28afbcd46: Pull complete 00cd2b8865d8: Pull complete 2e4e2f0309f4: Pull complete 50db42a840cc: Pull complete 5913402ab519: Pull complete 519e922f93a7: Pull complete 332f52403f35: Pull complete 4f4fb700ef54: Pull complete a6f5d82bd51a: Pull complete 22b6b33dc014: Pull complete c4ba1bb0beef: Pull complete 819f9134fecb: Pull complete 3a2ab9b94171: Pull complete 1cf4451cd5ed: Pull complete ff69b5cd68bc: Pull complete cd0e15413539: Pull complete 3f08ff270ed3: Pull complete 7a3d3f919aa8: Pull complete c98da4399bf5: Pull complete af6ae49e31af: Pull complete 1c5876ef1c32: Pull complete 0090888c3ffc: Pull complete 201e5e865a7a: Pull complete d369afea098a: Pull complete b826f9587249: Pull complete d7b96966ef4d: Pull complete 679cdcbf0694: Pull complete 1c95b99f9a8a: Pull complete 0768d7b60399: Pull complete 8ee00cb0cdd7: Pull complete 172110b2444b: Pull complete 0e9c7540a7ed: Pull complete 9cee72d1c6b0: Pull complete Digest: sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b Status: Downloaded newer image for ocaml/opam@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b 2026-04-16 18:55.09 ---> using "6f30897515c1e824a950778ea676e229c104637b6aa7ebb64a6b53fea7d6cfa7" from cache /: (comment ubuntu-25.10-5.4_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")) 2026-04-16 18:55.15 ---> using "ed652262ffe41adc8028dee056f45315aa4f3887ab4acc45b8d73186149e101e" 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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-16 18:55.21 ---> using "ad4cd56fa8230439a361a9df0e86dd3506d48c3e5068086c2933cdd52eceab67" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-106-generic The OCaml toplevel, version 5.4.1 2.5.0 2026-04-16 18:55.24 ---> using "71a2c562bc27d627cf1dd84848313ec1ea0634d615bb73f843054f8c68abea91" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-16 18:55.26 ---> using "575fef843e896b9779ee1eb6db58ec4085b692ac117dad7cfb2598c75e137f99" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 42844088d7..0b0acbee05 master -> origin/master 5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible 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) 2026-04-16 18:55.32 ---> using "9eb95d3852e3beeeb36c66a42c5def05c3fff3eacb4a58bfbfa8a54ce8dcf274" from cache /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-04-16 18:55.44 ---> using "b4bcdfce2202a9d0378334683da2d5fc4c2e5958059b0266ef52897e3a496c5f" 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) 2026-04-16 18:55.49 ---> using "28e0cf7583af4fd6d4732533bd241a10d8e1e485192b9e45c2043a166e22e70b" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-16 18:55.58 ---> using "8aa84ce28e875712ed950031d938e3b8355be1f2915614a6aff7f77412b91274" 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.2.1.0 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.3.22.2 dune-configurator.3.22.2 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.4.0.4 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/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB] - Get:2 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [361 kB] - Get:3 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [275 kB] - Get:4 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [256 kB] - Hit:5 http://archive.ubuntu.com/ubuntu questing InRelease - Get:6 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB] - Get:7 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB] - Get:8 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [500 kB] - Get:9 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [359 kB] - Get:10 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [258 kB] - Fetched 2414 kB in 8s (307 kB/s) - Reading package lists... - <><> 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) 2026-04-16 18:56.09 ---> using "6bfca4b7ee252b46b7b09b35800be3fe03b732edf534e3c6583d1a5c7fc3fa7c" 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 2.1.0 - 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 3.22.2 - install dune-configurator 3.22.2 - 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 4.0.4 - 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.2.1.0 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved crowbar.0.2.2 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved containers.3.18 (cached) -> retrieved cstruct.6.2.0 (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 mdx.2.5.2 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.0.4 (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 re.1.14.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved result.1.5 (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.3.22.2, dune-configurator.3.22.2 (cached) -> installed cmdliner.2.1.0 -> 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.3.22.2 -> 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.4.0.4 -> 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.3.22.2 -> 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 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) 2026-04-16 18:56.14 ---> using "43cd7a56092d71742ebe8e3a9cc4cbf439409230d50696282b4f7a5186def83e" from cache /src: (copy (src .) (dst /src)) 2026-04-16 19:17.07 ---> saved as "68d6fe7a81f14f9e91c6d84b6bdead39d8c9cdf1604276f99b4f612bb34bc554" /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_read.exe) random ops: PASS (cd _build/default/fuzz && ./fuzz_buf_write.exe) random ops: PASS (cd _build/default/lib_eio_linux/tests && ./test.exe) Testing `eio_linux'. This run has ID `1A6OIRBJ'. [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. 2026-04-16 19:17.40 ---> saved as "7dd01a11a81d19e4fcc6aa0ae96ea5042be8ab585fd6d753dd3d351134ec8b0b" Job succeeded 2026-04-16 19:37.33: Job succeeded