2026-01-22 00:37.51: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/827/head (67786246899f4b196689708df6cfd6e8348f6550) (linux-s390x:debian-13-5.4_s390x_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.4@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/827/head" && git reset --hard 67786246 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c # debian-13-5.4_s390x_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 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa || git fetch origin master) && git reset -q --hard 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa && 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.3.17 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.3.21.0 dune-configurator.3.21.0 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.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 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 2026-01-22 00:37.51: Using cache hint "ocaml-multicore/eio-ocaml/opam:debian-13-ocaml-5.4@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c-debian-13-5.4_s390x_opam-2.5-e6a33f6b3f003255ce96060bf1b3ecef" 2026-01-22 00:37.51: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c) (comment debian-13-5.4_s390x_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 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa || git fetch origin master) && git reset -q --hard 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa && 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 (network host) (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.3.17 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.3.21.0 dune-configurator.3.21.0 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.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 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")) ) 2026-01-22 00:37.51: Waiting for resource in pool OCluster 2026-01-22 00:37.51: Waiting for worker… 2026-01-22 00:37.51: Got resource from pool OCluster Building on s390x-worker-01.marist.ci.dev HEAD is now at 026dd74 Added some documentation about the downsides of this approach HEAD is now at 6778624 Adds support for interacting with devices on macOS (from ocaml/opam:debian-13-ocaml-5.4@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c' locally docker.io/ocaml/opam@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c: Pulling from ocaml/opam 85bc4a4d1f4e: Already exists 0ea6e6420cc3: Pulling fs layer 1c06c047f097: Pulling fs layer 03a5bb1b5914: Pulling fs layer 02de6b18bd8f: Pulling fs layer 02de6b18bd8f: Waiting fb81951352e3: Pulling fs layer fb81951352e3: Waiting 54bf4193c476: Pulling fs layer 54bf4193c476: Waiting 3dc8202daf6f: Pulling fs layer 3dc8202daf6f: Waiting 1c770619fa1e: Pulling fs layer 1c770619fa1e: Waiting ccfa0f7cfb14: Pulling fs layer f4850066eb75: Pulling fs layer ccfa0f7cfb14: Waiting f4850066eb75: Waiting 767b92cd3744: Pulling fs layer 69355b98e559: Pulling fs layer 767b92cd3744: Waiting 69355b98e559: Waiting 9fd7da48f61a: Pulling fs layer 760393a0693a: Pulling fs layer 0abc3f5717d4: Pulling fs layer d886cff4e81a: Pulling fs layer 9fd7da48f61a: Waiting 0abc3f5717d4: Waiting 760393a0693a: Waiting 1b8149edebe4: Pulling fs layer c33003eb38a8: Pulling fs layer 1b8149edebe4: Waiting d886cff4e81a: Waiting 1cf81e39eb57: Pulling fs layer c33003eb38a8: Waiting 1cf81e39eb57: Waiting e959f55674fa: Pulling fs layer f2eca1a683a2: Pulling fs layer e959f55674fa: Waiting f2eca1a683a2: Waiting 4f4fb700ef54: Pulling fs layer c3bbb8b29f0e: Pulling fs layer 962349a92010: Pulling fs layer b79f75ddabf2: Pulling fs layer 4d80d2791beb: Pulling fs layer 4ed9c788590a: Pulling fs layer 3746327091e3: Pulling fs layer 8e79372b446d: Pulling fs layer ee8d16b6dbf1: Pulling fs layer a8e7a9511bd2: Pulling fs layer 69ffd101369a: Pulling fs layer 353aeb664d62: Pulling fs layer b881fee2abf3: Pulling fs layer 535704a11ee7: Pulling fs layer 104560c5240b: Pulling fs layer 62b1da5eb956: Pulling fs layer 1643fbb24b8d: Pulling fs layer 2ab42c60c0d9: Pulling fs layer 4f4fb700ef54: Waiting 962349a92010: Waiting b79f75ddabf2: Waiting 4d80d2791beb: Waiting c3bbb8b29f0e: Waiting cb417ee2028c: Pulling fs layer 01f6f6ba278c: Pulling fs layer 117f4275fc6a: Pulling fs layer 2d3d92854b32: Pulling fs layer 8e79372b446d: Waiting ee8d16b6dbf1: Waiting 4ed9c788590a: Waiting b881fee2abf3: Waiting 535704a11ee7: Waiting 104560c5240b: Waiting 62b1da5eb956: Waiting 21834ebec957: Pulling fs layer 9ec5e71105fa: Pulling fs layer 53c7fccdc475: Pulling fs layer c6b9208984f7: Pulling fs layer 1643fbb24b8d: Waiting 01f6f6ba278c: Waiting 3746327091e3: Waiting 69ffd101369a: Waiting 2ab42c60c0d9: Waiting cb417ee2028c: Waiting a8e7a9511bd2: Waiting 117f4275fc6a: Waiting 2d3d92854b32: Waiting 21834ebec957: Waiting 9ec5e71105fa: Waiting 53c7fccdc475: Waiting 353aeb664d62: Waiting c6b9208984f7: Waiting 0ea6e6420cc3: Verifying Checksum 0ea6e6420cc3: Download complete 1c06c047f097: Verifying Checksum 1c06c047f097: Download complete 0ea6e6420cc3: Pull complete 02de6b18bd8f: Verifying Checksum 02de6b18bd8f: Download complete 1c06c047f097: Pull complete 03a5bb1b5914: Verifying Checksum 03a5bb1b5914: Download complete 54bf4193c476: Verifying Checksum 54bf4193c476: Download complete 1c770619fa1e: Verifying Checksum 1c770619fa1e: Download complete 3dc8202daf6f: Verifying Checksum 3dc8202daf6f: Download complete f4850066eb75: Verifying Checksum f4850066eb75: Download complete ccfa0f7cfb14: Verifying Checksum ccfa0f7cfb14: Download complete 767b92cd3744: Verifying Checksum 767b92cd3744: Download complete 9fd7da48f61a: Verifying Checksum 9fd7da48f61a: Download complete 69355b98e559: Verifying Checksum 69355b98e559: Download complete 0abc3f5717d4: Download complete 760393a0693a: Verifying Checksum 760393a0693a: Download complete d886cff4e81a: Verifying Checksum d886cff4e81a: Download complete 1b8149edebe4: Verifying Checksum 1b8149edebe4: Download complete 03a5bb1b5914: Pull complete 1cf81e39eb57: Verifying Checksum 1cf81e39eb57: Download complete c33003eb38a8: Download complete 02de6b18bd8f: Pull complete e959f55674fa: Verifying Checksum e959f55674fa: Download complete f2eca1a683a2: Verifying Checksum f2eca1a683a2: Download complete fb81951352e3: Verifying Checksum fb81951352e3: Download complete c3bbb8b29f0e: Verifying Checksum c3bbb8b29f0e: Download complete 4f4fb700ef54: Verifying Checksum 4f4fb700ef54: Download complete 962349a92010: Verifying Checksum 962349a92010: Download complete 4ed9c788590a: Verifying Checksum 4ed9c788590a: Download complete 4d80d2791beb: Verifying Checksum 4d80d2791beb: 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117f4275fc6a: Download complete 9ec5e71105fa: Verifying Checksum 9ec5e71105fa: Download complete c6b9208984f7: Verifying Checksum c6b9208984f7: Download complete 53c7fccdc475: Verifying Checksum 53c7fccdc475: Download complete 21834ebec957: Verifying Checksum 21834ebec957: Download complete fb81951352e3: Pull complete 54bf4193c476: Pull complete 3dc8202daf6f: Pull complete 1c770619fa1e: Pull complete ccfa0f7cfb14: Pull complete f4850066eb75: Pull complete 767b92cd3744: Pull complete 69355b98e559: Pull complete 9fd7da48f61a: Pull complete 760393a0693a: Pull complete 0abc3f5717d4: Pull complete d886cff4e81a: Pull complete 1b8149edebe4: Pull complete c33003eb38a8: Pull complete 1cf81e39eb57: Pull complete e959f55674fa: Pull complete f2eca1a683a2: Pull complete 4f4fb700ef54: Pull complete c3bbb8b29f0e: Pull complete 962349a92010: Pull complete b79f75ddabf2: Pull complete 4d80d2791beb: Pull complete 4ed9c788590a: Pull complete 3746327091e3: Pull complete 8e79372b446d: Pull complete ee8d16b6dbf1: Pull complete a8e7a9511bd2: Pull complete 69ffd101369a: Pull complete 353aeb664d62: Pull complete b881fee2abf3: Pull complete 535704a11ee7: Pull complete 104560c5240b: Pull complete 62b1da5eb956: Pull complete 1643fbb24b8d: Pull complete 2ab42c60c0d9: Pull complete cb417ee2028c: Pull complete 01f6f6ba278c: Pull complete 117f4275fc6a: Pull complete 2d3d92854b32: Pull complete 21834ebec957: Pull complete 9ec5e71105fa: Pull complete 53c7fccdc475: Pull complete c6b9208984f7: Pull complete Digest: sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c Status: Downloaded newer image for ocaml/opam@sha256:537a368a70e3bfaff3f832f9f13ab7fbdd28850d8b6087e7dd893caf4db8bf2c 2026-01-22 00:37.54 ---> using "68971db8e4c793f52635d624422245d6ebf5b5fdf1feed2a9e06eb4c02d4074e" from cache /: (comment debian-13-5.4_s390x_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")) 2026-01-22 00:37.54 ---> using "d0962b4acc2560258828ea2a024cd498585c45ac3a19ed7a6025eab8922ed6e6" 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. Continue? [Y/n] y 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. Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-01-22 00:37.54 ---> using "ca6e9401024d261e4f03bd9ede6a8ba9fd1fa47d9a5e37d34768e7e019d69ba3" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-71-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-01-22 00:37.54 ---> using "f13665b2f57658d712ec56134854b6c7afacb5d8f4b17174c796d280d9c32e52" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-22 00:37.54 ---> using "732f1fdc946d3fb3f01bd9027973b215372051e41a0927feccda1948ae736165" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa || git fetch origin master) && git reset -q --hard 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD a6b2f19780..1c997ec9e6 master -> origin/master 1c997ec9e6 Merge pull request #29241 from polytypic/release-multicore-magic-2.3.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-22 00:37.54 ---> using "2883a6ee4e335a5eb5edc7d1f8fd361f78c1def0abdf83e9f315b45ab8725541" from cache /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-01-22 00:37.54 ---> using "8c8601f8e0aeb8ce56cbd83396420bbbe892f8c060dadc5836ff6ce511f7b53f" 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) 2026-01-22 00:37.54 ---> using "214008968803e8c937961bf9a6ee15c19b3ab5e72eaf9ea3d378dd873144a5e6" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-22 00:37.54 ---> using "071023c58d224a783c3aff34cb2e7c814660e7d83aa72811be411aa81ba9af9f" 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.3.17 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.3.21.0 dune-configurator.3.21.0 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.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 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" - Hit:1 http://deb.debian.org/debian trixie InRelease - Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB] - Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB] - Get:4 http://deb.debian.org/debian-security trixie-security/main s390x Packages [87.0 kB] - Fetched 178 kB in 0s (606 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_windows.dev] synchronised (file:///src) [eio_posix.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 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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) 2026-01-22 00:37.54 ---> using "0268919573f7fe3dce077196917e8d8e0cdbabb00e9e4518d0d61c9a26986ab6" 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 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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 3.17 - 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 3.21.0 - install dune-configurator 3.21.0 - 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 2.5.1 - install mtime 2.1.0 - install multicore-magic 2.3.2 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 4.0.3 - 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) -> retrieved cmdliner.2.1.0 (cached) -> installed conf-bash.1 -> retrieved containers.3.17 (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 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.2.5.1 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.0.3 (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) -> retrieved result.1.5 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved tsort.2.2.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved uring.2.7.0 (cached) -> installed cmdliner.2.1.0 -> installed ocamlbuild.0.16.1 -> installed seq.base -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed fmt.0.11.0 -> installed hmap.0.8.1 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed mtime.2.1.0 -> installed uutf.1.0.4 -> installed dune.3.21.0 -> installed afl-persistent.1.4 -> installed backoff.0.1.1 -> installed camlp-streams.5.0.1 -> installed crowbar.0.2.2 -> installed csexp.1.5.2 -> installed either.1.0.0 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed lwt-dllist.1.1.0 -> installed multicore-magic.2.3.2 -> installed ocaml-version.4.0.3 -> installed ocaml-syntax-shims.1.0.0 -> installed optint.0.3.0 -> installed dune-configurator.3.21.0 -> installed psq.0.2.1 -> installed oseq.0.5.1 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed result.1.5 -> installed re.1.14.0 -> installed stdlib-shims.0.3.0 -> installed thread-table.1.0.0 -> installed alcotest.1.9.1 -> installed domain-local-await.1.0.1 -> installed containers.3.17 -> installed domain-local-timeout.1.0.1 -> installed tsort.2.2.0 -> installed kcas.0.7.0 -> installed mdx.2.5.1 -> installed dscheck.0.5.0 -> installed yojson.3.0.0 -> 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 5.4.0+afl ocaml-variants.5.4.0+options ocaml-option-afl # To update the current shell environment, run: eval $(opam env) 2026-01-22 00:37.54 ---> using "7ea4f9178f60ab3fd7fb031d7e46d46ef90c1c76e0780fbcfa67daa7563144ea" from cache /src: (copy (src .) (dst /src)) 2026-01-22 00:37.57 ---> saved as "a87c4df63ab74d67074c6c4cf78c8bd5f67f079995fec67696f88e0330e34190" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (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/fuzz && ./fuzz_inherit_fds.exe) inherit_fds: PASS (cd _build/default/lib_eio_linux/tests && ./test.exe) Testing `eio_linux'. This run has ID `W9CI1WZ2'. [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. 2026-01-22 00:38.24 ---> saved as "d2ef40789add846357b8cfa575f5b973e77cad674d7f07953c02cb2e426c950e" Job succeeded 2026-01-22 00:38.24: Job succeeded