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@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4bOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/836/head" && git reset --hard 807ad3ddcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b# ubuntu-25.10-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN 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 -uCOPY --chown=1000:1000 eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam ./RUN opam pin add -yn eio_windows.dev './' && \opam pin add -yn eio_posix.dev './' && \opam pin add -yn eio_main.dev './' && \opam pin add -yn eio_linux.dev './' && \opam pin add -yn eio.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-16 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 OCluster2026-04-16 18:30.57: Waiting for worker…2026-04-16 18:47.02: Got resource from pool OClusterBuilding on doris.caelum.ci.devAll commits already cachedHEAD 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' locallydocker.io/ocaml/opam@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b: Pulling from ocaml/opam16c195d4c5e9: Pulling fs layer1c62812e7321: Pulling fs layer8a4b09d2a7a7: Pulling fs layer3318481042ff: Pulling fs layer3efb10c5a696: Pulling fs layer888f94101ffe: Pulling fs layercb111e18f70b: Pulling fs layer4577a01d97fc: Pulling fs layer36c03f94b287: Pulling fs layerb55120cc7c58: Pulling fs layer40f87b6b7b5e: Pulling fs layerb6b4461886a5: Pulling fs layer3efb10c5a696: Waiting82cf66283d29: Pulling fs layer888f94101ffe: Waiting1a02079536a8: Pulling fs layer2e0bc88eb84b: Pulling fs layer09b28afbcd46: Pulling fs layer00cd2b8865d8: Pulling fs layer2e4e2f0309f4: Pulling fs layercb111e18f70b: Waiting50db42a840cc: Pulling fs layer5913402ab519: Pulling fs layer4577a01d97fc: Waiting519e922f93a7: Pulling fs layer332f52403f35: Pulling fs layer4f4fb700ef54: Pulling fs layera6f5d82bd51a: Pulling fs layer36c03f94b287: Waiting22b6b33dc014: Pulling fs layerc4ba1bb0beef: Pulling fs layer819f9134fecb: Pulling fs layer3a2ab9b94171: Pulling fs layer1cf4451cd5ed: Pulling fs layerff69b5cd68bc: Pulling fs layercd0e15413539: Pulling fs layer3f08ff270ed3: Pulling fs layer7a3d3f919aa8: Pulling fs layerc98da4399bf5: Pulling fs layeraf6ae49e31af: Pulling fs layer1c5876ef1c32: Pulling fs layer0090888c3ffc: Pulling fs layer82cf66283d29: Waiting201e5e865a7a: Pulling fs layer1a02079536a8: Waitingd369afea098a: Pulling fs layerb55120cc7c58: Waitingb826f9587249: Pulling fs layerb6b4461886a5: Waiting2e0bc88eb84b: Waiting40f87b6b7b5e: Waitingd7b96966ef4d: Pulling fs layer679cdcbf0694: Pulling fs layer09b28afbcd46: Waiting3318481042ff: Waiting50db42a840cc: Waiting1c95b99f9a8a: Pulling fs layer5913402ab519: Waiting0768d7b60399: Pulling fs layer00cd2b8865d8: Waiting519e922f93a7: Waiting2e4e2f0309f4: Waiting4f4fb700ef54: Waiting8ee00cb0cdd7: Pulling fs layer332f52403f35: Waitinga6f5d82bd51a: Waiting172110b2444b: Pulling fs layer7a3d3f919aa8: Waiting0090888c3ffc: Waiting1c5876ef1c32: Waiting201e5e865a7a: Waitingd369afea098a: Waiting0e9c7540a7ed: Pulling fs layer9cee72d1c6b0: Pulling fs layerb826f9587249: Waiting22b6b33dc014: Waitingc4ba1bb0beef: Waiting3a2ab9b94171: Waiting679cdcbf0694: Waitingd7b96966ef4d: Waiting1cf4451cd5ed: Waiting819f9134fecb: Waiting1c95b99f9a8a: Waitingff69b5cd68bc: Waiting9cee72d1c6b0: Waiting8ee00cb0cdd7: Waiting172110b2444b: Waiting0768d7b60399: Waiting0e9c7540a7ed: Waitingcd0e15413539: Waiting3f08ff270ed3: Waitingaf6ae49e31af: Waitingc98da4399bf5: Waiting8a4b09d2a7a7: Verifying Checksum8a4b09d2a7a7: Download complete1c62812e7321: Download complete16c195d4c5e9: Verifying Checksum16c195d4c5e9: Download complete3318481042ff: Verifying Checksum3318481042ff: Download completecb111e18f70b: Verifying Checksumcb111e18f70b: Download complete4577a01d97fc: Verifying Checksum4577a01d97fc: Download complete3efb10c5a696: Verifying Checksum3efb10c5a696: Download complete16c195d4c5e9: Pull complete1c62812e7321: Pull complete8a4b09d2a7a7: Pull completeb55120cc7c58: Verifying Checksumb55120cc7c58: Download complete36c03f94b287: Download complete888f94101ffe: Verifying Checksum888f94101ffe: Download complete40f87b6b7b5e: Verifying Checksum40f87b6b7b5e: Download completeb6b4461886a5: Verifying Checksumb6b4461886a5: Download complete1a02079536a8: Verifying Checksum1a02079536a8: Download complete82cf66283d29: Verifying Checksum82cf66283d29: Download complete3318481042ff: Pull complete2e0bc88eb84b: Verifying Checksum2e0bc88eb84b: Download complete00cd2b8865d8: Download complete09b28afbcd46: Download complete2e4e2f0309f4: Verifying Checksum2e4e2f0309f4: Download complete50db42a840cc: Download complete5913402ab519: Download complete519e922f93a7: Verifying Checksum519e922f93a7: Download complete332f52403f35: Verifying Checksum332f52403f35: Download complete4f4fb700ef54: Verifying Checksum4f4fb700ef54: Download complete22b6b33dc014: Download completea6f5d82bd51a: Verifying Checksuma6f5d82bd51a: Download complete3efb10c5a696: Pull completec4ba1bb0beef: Verifying Checksumc4ba1bb0beef: Download complete819f9134fecb: Verifying Checksum819f9134fecb: Download complete3a2ab9b94171: Verifying Checksum3a2ab9b94171: Download complete1cf4451cd5ed: Download completecd0e15413539: Verifying Checksumcd0e15413539: Download completeff69b5cd68bc: Download complete3f08ff270ed3: Verifying Checksum3f08ff270ed3: Download complete7a3d3f919aa8: Verifying Checksum7a3d3f919aa8: Download completec98da4399bf5: Download completeaf6ae49e31af: Verifying Checksumaf6ae49e31af: Download complete0090888c3ffc: Download completed369afea098a: Download completeb826f9587249: Verifying Checksumb826f9587249: Download completed7b96966ef4d: Verifying Checksumd7b96966ef4d: Download complete201e5e865a7a: Verifying Checksum201e5e865a7a: Download complete679cdcbf0694: Verifying Checksum679cdcbf0694: Download complete1c95b99f9a8a: Verifying Checksum1c95b99f9a8a: Download complete0768d7b60399: Verifying Checksum0768d7b60399: Download complete172110b2444b: Verifying Checksum172110b2444b: Download complete0e9c7540a7ed: Download complete9cee72d1c6b0: Download complete1c5876ef1c32: Verifying Checksum1c5876ef1c32: Download complete8ee00cb0cdd7: Verifying Checksum8ee00cb0cdd7: Download complete888f94101ffe: Pull completecb111e18f70b: Pull complete4577a01d97fc: Pull complete36c03f94b287: Pull completeb55120cc7c58: Pull complete40f87b6b7b5e: Pull completeb6b4461886a5: Pull complete82cf66283d29: Pull complete1a02079536a8: Pull complete2e0bc88eb84b: Pull complete09b28afbcd46: Pull complete00cd2b8865d8: Pull complete2e4e2f0309f4: Pull complete50db42a840cc: Pull complete5913402ab519: Pull complete519e922f93a7: Pull complete332f52403f35: Pull complete4f4fb700ef54: Pull completea6f5d82bd51a: Pull complete22b6b33dc014: Pull completec4ba1bb0beef: Pull complete819f9134fecb: Pull complete3a2ab9b94171: Pull complete1cf4451cd5ed: Pull completeff69b5cd68bc: Pull completecd0e15413539: Pull complete3f08ff270ed3: Pull complete7a3d3f919aa8: Pull completec98da4399bf5: Pull completeaf6ae49e31af: Pull complete1c5876ef1c32: Pull complete0090888c3ffc: Pull complete201e5e865a7a: Pull completed369afea098a: Pull completeb826f9587249: Pull completed7b96966ef4d: Pull complete679cdcbf0694: Pull complete1c95b99f9a8a: Pull complete0768d7b60399: Pull complete8ee00cb0cdd7: Pull complete172110b2444b: Pull complete0e9c7540a7ed: Pull complete9cee72d1c6b0: Pull completeDigest: sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4bStatus: Downloaded newer image for ocaml/opam@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b2026-04-16 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-16 18:55.21 ---> using "ad4cd56fa8230439a361a9df0e86dd3506d48c3e5068086c2933cdd52eceab67" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-106-genericThe OCaml toplevel, version 5.4.12.5.02026-04-16 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_HEAD42844088d7..0b0acbee05 master -> origin/master5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possibleHowever, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-04-16 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.0.5.0Done.<><> afl-persistent.1.4 installed successfully ><><><><><><><><><><><><><><><><>=> afl-persistent is installed, but since the current OCaml compiler doesnot enable AFL instrumentation by default, most packages will not beinstrumented 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 succeeded2026-04-16 19:37.33: Job succeeded