2026-05-22 16:45.58: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (c25508310db29ed510511cc28456eefe4abd16ca) (linux-x86_64:fedora-43-5.4_opam-2.5) Base: ocaml/opam:fedora-43-ocaml-5.4@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" -b "main" && cd "eio" && git reset --hard c2550831 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:fedora-43-ocaml-5.4@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874 # fedora-43-5.4_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 c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && 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 2026-05-22 16:45.58: Using cache hint "ocaml-multicore/eio-ocaml/opam:fedora-43-ocaml-5.4@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874-fedora-43-5.4_opam-2.5-e524e996c42a569c6e5f5979f115e97f" 2026-05-22 16:45.58: Using OBuilder spec: ((from ocaml/opam:fedora-43-ocaml-5.4@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874) (comment fedora-43-5.4_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 c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && 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")) ) 2026-05-22 16:45.58: Waiting for resource in pool OCluster 2026-05-22 17:54.10: Waiting for worker… 2026-05-22 18:42.36: Got resource from pool OCluster Building on eumache.caelum.ci.dev All commits already cached HEAD is now at c255083 Merge pull request #833 from m-click/unlink-missing-ok (from ocaml/opam:fedora-43-ocaml-5.4@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874) Unable to find image 'ocaml/opam:fedora-43-ocaml-5.4@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874' locally docker.io/ocaml/opam@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874: Pulling from ocaml/opam 50ce27f2221c: Pulling fs layer 3ccb16ecd06a: Pulling fs layer 18a377ee2211: Pulling fs layer 24696ad16a7d: Pulling fs layer 8744e7b07a32: Pulling fs layer 7bb3c32a1cba: Pulling fs layer 50ce27f2221c: Waiting 407809b63881: Pulling fs layer 3ccb16ecd06a: Waiting 93e4376c7f0b: Pulling fs layer 18a377ee2211: Waiting 24696ad16a7d: Waiting a9781f583df7: Pulling fs layer 8744e7b07a32: Waiting 407809b63881: Waiting 7bb3c32a1cba: Waiting 93e4376c7f0b: Waiting 6a612b43d6db: Pulling fs layer a9781f583df7: Waiting dc75ae048963: Pulling fs layer 35cbd27d0514: Pulling fs layer 22141018b4f2: Pulling fs layer b88d98f22507: Pulling fs layer 6a612b43d6db: Waiting 22141018b4f2: Waiting dc75ae048963: Waiting 1ccefcc2ece8: Pulling fs layer 35cbd27d0514: Waiting b88d98f22507: Waiting 4b4d0cfd5290: Pulling fs layer 63fddb858358: Pulling fs layer 1ccefcc2ece8: Waiting 4b4d0cfd5290: Waiting 168eefde11ec: Pulling fs layer 168eefde11ec: Waiting d43a1a2ad4c2: Pulling fs layer 63fddb858358: Waiting 0633fabe4ce0: Pulling fs layer d43a1a2ad4c2: Waiting 4f4fb700ef54: Pulling fs layer d05a2a92d8f7: Pulling fs layer 4f4fb700ef54: Waiting da5a1948f35d: Pulling fs layer 2403e2a2896b: Pulling fs layer da5a1948f35d: Waiting f3a145d0fc03: Pulling fs layer f0937c333384: Pulling fs layer d05a2a92d8f7: Waiting 2403e2a2896b: Waiting 5df5e3a70f0f: Pulling fs layer ee6c4434e3e1: Pulling fs layer 5df5e3a70f0f: Waiting 5fb00e330173: Pulling fs layer f0937c333384: Waiting 20bbedf126b4: Pulling fs layer ee6c4434e3e1: Waiting 5fb00e330173: Waiting 90488d4c4d0f: Pulling fs layer 73f23c0cf8dc: Pulling fs layer 20bbedf126b4: Waiting 90488d4c4d0f: Waiting a0803eefe864: Pulling fs layer 7ddf6bdb86f4: Pulling fs layer 73f23c0cf8dc: Waiting c211357ca529: Pulling fs layer a0803eefe864: Waiting 754c7b41bb02: Pulling fs layer 7ddf6bdb86f4: Waiting 3bf8fe8afe28: Pulling fs layer 924d806d8f3a: Pulling fs layer 754c7b41bb02: Waiting 3bf8fe8afe28: Waiting c211357ca529: Waiting 221cb26b7b33: Pulling fs layer f706145ebab3: Pulling fs layer 221cb26b7b33: Waiting f706145ebab3: Waiting 5553cc79478e: Pulling fs layer 924d806d8f3a: Waiting 18af54990458: Pulling fs layer de3805f0b04d: Pulling fs layer f57a34f59c38: Pulling fs layer 18af54990458: Waiting f57a34f59c38: Waiting de3805f0b04d: Waiting 50ce27f2221c: Verifying Checksum 50ce27f2221c: Download complete 3ccb16ecd06a: Download complete 50ce27f2221c: Pull complete 3ccb16ecd06a: Pull complete 24696ad16a7d: Verifying Checksum 24696ad16a7d: Download complete 8744e7b07a32: Verifying Checksum 8744e7b07a32: Download complete 7bb3c32a1cba: Verifying Checksum 7bb3c32a1cba: Download complete 407809b63881: Verifying Checksum 407809b63881: Download complete 93e4376c7f0b: Verifying Checksum 93e4376c7f0b: Download complete a9781f583df7: Verifying Checksum a9781f583df7: Download complete 6a612b43d6db: Verifying Checksum 6a612b43d6db: Download complete dc75ae048963: Verifying Checksum dc75ae048963: Download complete 35cbd27d0514: Download complete 22141018b4f2: Verifying Checksum 22141018b4f2: Download complete b88d98f22507: Verifying Checksum b88d98f22507: Download complete 1ccefcc2ece8: Download complete 4b4d0cfd5290: Download complete 63fddb858358: Verifying Checksum 63fddb858358: Download complete 168eefde11ec: Verifying Checksum 168eefde11ec: Download complete d43a1a2ad4c2: Download complete 0633fabe4ce0: Verifying Checksum 0633fabe4ce0: Download complete 4f4fb700ef54: Download complete d05a2a92d8f7: Download complete da5a1948f35d: Download complete 2403e2a2896b: Verifying Checksum 2403e2a2896b: Download complete f3a145d0fc03: Verifying Checksum f3a145d0fc03: Download complete f0937c333384: Download complete 5df5e3a70f0f: Verifying Checksum 5df5e3a70f0f: Download complete ee6c4434e3e1: Verifying Checksum ee6c4434e3e1: Download complete 5fb00e330173: Verifying Checksum 5fb00e330173: Download complete 20bbedf126b4: Verifying Checksum 20bbedf126b4: Download complete 90488d4c4d0f: Verifying Checksum 90488d4c4d0f: Download complete 73f23c0cf8dc: Verifying Checksum 73f23c0cf8dc: Download complete a0803eefe864: Verifying Checksum a0803eefe864: Download complete 7ddf6bdb86f4: Verifying Checksum 7ddf6bdb86f4: Download complete c211357ca529: Verifying Checksum c211357ca529: Download complete 18a377ee2211: Verifying Checksum 18a377ee2211: Download complete 18a377ee2211: Pull complete 3bf8fe8afe28: Download complete 924d806d8f3a: Download complete 221cb26b7b33: Verifying Checksum 221cb26b7b33: Download complete f706145ebab3: Verifying Checksum f706145ebab3: Download complete 5553cc79478e: Verifying Checksum 5553cc79478e: Download complete 18af54990458: Verifying Checksum 18af54990458: Download complete de3805f0b04d: Verifying Checksum de3805f0b04d: Download complete f57a34f59c38: Verifying Checksum f57a34f59c38: Download complete 24696ad16a7d: Pull complete 8744e7b07a32: Pull complete 7bb3c32a1cba: Pull complete 407809b63881: Pull complete 93e4376c7f0b: Pull complete a9781f583df7: Pull complete 6a612b43d6db: Pull complete dc75ae048963: Pull complete 35cbd27d0514: Pull complete 22141018b4f2: Pull complete b88d98f22507: Pull complete 1ccefcc2ece8: Pull complete 4b4d0cfd5290: Pull complete 63fddb858358: Pull complete 168eefde11ec: Pull complete d43a1a2ad4c2: Pull complete 0633fabe4ce0: Pull complete 4f4fb700ef54: Pull complete d05a2a92d8f7: Pull complete da5a1948f35d: Pull complete 2403e2a2896b: Pull complete f3a145d0fc03: Pull complete f0937c333384: Pull complete 5df5e3a70f0f: Pull complete ee6c4434e3e1: Pull complete 5fb00e330173: Pull complete 20bbedf126b4: Pull complete 90488d4c4d0f: Pull complete 73f23c0cf8dc: Pull complete a0803eefe864: Pull complete 754c7b41bb02: Verifying Checksum 754c7b41bb02: Download complete 7ddf6bdb86f4: Pull complete c211357ca529: Pull complete 754c7b41bb02: Pull complete 3bf8fe8afe28: Pull complete 924d806d8f3a: Pull complete 221cb26b7b33: Pull complete f706145ebab3: Pull complete 5553cc79478e: Pull complete 18af54990458: Pull complete de3805f0b04d: Pull complete f57a34f59c38: Pull complete Digest: sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874 Status: Downloaded newer image for ocaml/opam@sha256:a5750d18ec12c35cb192dd45fe4134424063558b830e16caaf541a439bfe6874 2026-05-22 18:42.36 ---> using "9dc57a7973a8cf52e2c77a71b039db54cd1be09dc3e288515e93363704d1c22c" from cache /: (comment fedora-43-5.4_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 43 - x86_64 100% | 11.9 KiB/s | 19.7 KiB | 00m02s Fedora 43 openh264 (From Cisco) - x86_ 100% | 893.0 B/s | 986.0 B | 00m01s Fedora 43 - x86_64 - Updates 100% | 16.4 KiB/s | 8.8 KiB | 00m01s Repositories loaded. Package "findutils-1:4.10.0-6.fc43.x86_64" is already installed. Nothing to do. 2026-05-22 18:42.36 ---> using "e4956fae3ad3479dfebb332b8f28b764344dda0f845c39efffda146283f234b1" from cache /src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-05-22 18:42.36 ---> using "4696a8f9dee00a1ad60ef39abff71e6eb302a0a8b128ba5a6089cc7bc0ff8b8e" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD fc08333d1b..3e30e43808 master -> origin/master c180e16309 Merge pull request #29907 from dra27/host-arch-fixes 2026-05-22 18:42.36 ---> using "436b528032c9c97a8bf44f558350695a33bb61ec7ea06052c6725128182c6e3a" 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. [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 2026-05-22 18:42.36 ---> using "0b01a1359a0ed1fa24082aa9ef88edafbc8ae64f43ae54bc70f913bf998af131" 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 2026-05-22 18:42.36 ---> using "4a00b0ba33341c4630c4d62bfad1e0761b48119da331573cc6a7508838372bef" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-22 18:42.36 ---> using "29fbec0f4c846e3e0a89f3b6c0e72b2209b00b47df8c39d0b1d13905ab51c70b" 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) 2026-05-22 18:42.36 ---> using "62b284cabac056e1b7e703f3616fb98323ca359026809b38dddc40a2c64b6ab3" from cache /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-05-22 18:42.36 ---> saved as "2b099639c30c52f08e737a8b121f5191076b78f2c86a0411c49928603b224731" /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) 2026-05-22 18:42.40 ---> saved as "870c74dd11f9c2b49ad6c5bb2d595bb20dc4c741ee23ca594a6033375101bb30" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-22 18:42.40 ---> saved as "e65272d392d29752a540c4cf13f4c259874772f54b5d51957a4550a6aec5d2ef" /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: - Fedora 43 - x86_64 - Updates 100% | 10.2 KiB/s | 19.2 KiB | 00m02s - 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) 2026-05-22 18:42.50 ---> saved as "8bed58c3c8f8d8fbcecd4673435c1119b6d30be3d6522c31b94b646a1f4de071" /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 cppo.1.8.0 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved crowbar.0.2.2 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved containers.3.18 (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 ocamlfind.1.9.8 (cached) -> retrieved ocamlbuild.0.16.1 (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.3.23.1, 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 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 dscheck.0.5.0 -> installed uring.2.7.0 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) 2026-05-22 18:43.35 ---> saved as "59d28c294f0a8ffb4c344f4f4fde4fd8ba93895958cae4b3c1d131debc9f6ef7" /src: (copy (src .) (dst /src)) 2026-05-22 18:43.35 ---> saved as "327c536ecd7d3804c7e3733daa87e8c8600315450fe368fed2b54ec6c572c7f2" /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 `VZI2W34Q'. [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. 2026-05-22 18:43.41 ---> saved as "fe4e6b27b1b94ad85e752844c70a02f48457ba4018d3106c6a89710e316f04c4" Job succeeded 2026-05-22 18:43.41: Job succeeded