2024-09-29 13:16.01: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/756/head (83644281476ae72cc45d280ebe2d5015146c6f8f) (linux-arm64:debian-12-5.2_arm32_opam-2.2) Base: ocaml/opam:debian-12-ocaml-5.2@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/756/head" && git reset --hard 83644281 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-12-ocaml-5.2@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b # debian-12-5.2_arm32_opam-2.2 USER 1000:1000 SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ] ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.2 /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 b876d7d37014df697368765c088aa86d24dc8b6b || git fetch origin master) && git reset -q --hard b876d7d37014df697368765c088aa86d24dc8b6b && 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 './' ENV DEPS="afl-persistent.1.4 alcotest.1.8.0 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.1.3.0 containers.3.14 cppo.1.7.0 crowbar.0.2.1 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.3.16.0 dune-configurator.3.16.0 either.1.0.0 fmt.0.9.0 hmap.0.8.1 host-arch-arm32.1 host-system-other.1 iomux.0.3 kcas.0.7.0 logs.0.7.0 lwt-dllist.1.0.1 mdx.2.4.1 mtime.2.1.0 multicore-magic.2.3.0 ocaml.5.2.0 ocaml-base-compiler.5.2.0 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.3.6.9 ocamlbuild.0.15.0 ocamlfind.1.9.6 ocplib-endian.1.2 optint.0.3.0 oseq.0.5.1 psq.0.2.1 re.1.12.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.0.7 tsort.2.1.0 uring.0.9 uutf.1.0.3 yojson.2.2.2" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.2 --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 2024-09-29 13:16.01: Using cache hint "ocaml-multicore/eio-ocaml/opam:debian-12-ocaml-5.2@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b-debian-12-5.2_arm32_opam-2.2-d99b20c33eb10891b34c315a20d4dbdd" 2024-09-29 13:16.01: Using OBuilder spec: ((from ocaml/opam:debian-12-ocaml-5.2@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b) (comment debian-12-5.2_arm32_opam-2.2) (user (uid 1000) (gid 1000)) (shell /usr/bin/linux32 /bin/sh -c) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.2 /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 b876d7d37014df697368765c088aa86d24dc8b6b || git fetch origin master) && git reset -q --hard b876d7d37014df697368765c088aa86d24dc8b6b && 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 './'")) (env DEPS "afl-persistent.1.4 alcotest.1.8.0 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.1.3.0 containers.3.14 cppo.1.7.0 crowbar.0.2.1 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.3.16.0 dune-configurator.3.16.0 either.1.0.0 fmt.0.9.0 hmap.0.8.1 host-arch-arm32.1 host-system-other.1 iomux.0.3 kcas.0.7.0 logs.0.7.0 lwt-dllist.1.0.1 mdx.2.4.1 mtime.2.1.0 multicore-magic.2.3.0 ocaml.5.2.0 ocaml-base-compiler.5.2.0 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.3.6.9 ocamlbuild.0.15.0 ocamlfind.1.9.6 ocplib-endian.1.2 optint.0.3.0 oseq.0.5.1 psq.0.2.1 re.1.12.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.0.7 tsort.2.1.0 uring.0.9 uutf.1.0.3 yojson.2.2.2") (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=2.2 --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")) ) 2024-09-29 13:16.01: Waiting for resource in pool OCluster 2024-09-29 13:16.01: Waiting for worker… 2024-09-29 13:16.01: Got resource from pool OCluster Building on ainia.caelum.ci.dev All commits already cached HEAD is now at 8364428 eio_windows: unregister FDs on cancel (from ocaml/opam:debian-12-ocaml-5.2@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b) Unable to find image 'ocaml/opam:debian-12-ocaml-5.2@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b' locally docker.io/ocaml/opam@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b: Pulling from ocaml/opam a7d514534f7f: Pulling fs layer 6abf3fbf9b2d: Pulling fs layer 78d0ec2dce2a: Pulling fs layer 710f4c41c7a3: Pulling fs layer 7dd4bd626ace: Pulling fs layer 6d26907217df: Pulling fs layer ce24837d4cec: Pulling fs layer da212adb9fbd: Pulling fs layer ce24837d4cec: Waiting 6d26907217df: Waiting 710f4c41c7a3: Waiting 7dd4bd626ace: Waiting da212adb9fbd: Waiting 78d0ec2dce2a: Download complete 6abf3fbf9b2d: Download complete 710f4c41c7a3: Verifying Checksum 710f4c41c7a3: Download complete 6d26907217df: Verifying Checksum 6d26907217df: Download complete da212adb9fbd: Verifying Checksum da212adb9fbd: Download complete 7dd4bd626ace: Verifying Checksum 7dd4bd626ace: Download complete a7d514534f7f: Verifying Checksum a7d514534f7f: Download complete a7d514534f7f: Pull complete 6abf3fbf9b2d: Pull complete 78d0ec2dce2a: Pull complete 710f4c41c7a3: Pull complete 7dd4bd626ace: Pull complete 6d26907217df: Pull complete ce24837d4cec: Pull complete da212adb9fbd: Pull complete Digest: sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b Status: Downloaded newer image for ocaml/opam@sha256:c759ff3266bbc67d2db6dcef3480d966f5b9173c1113b591944d5f8e77daf93b 2024-09-29 13:16.02 ---> using "01745a0110b63cb6933dad93376377695f96e6fc394dfd7faf3cbfb730441038" from cache /: (comment debian-12-5.2_arm32_opam-2.2) /: (user (uid 1000) (gid 1000)) /: (shell /usr/bin/linux32 /bin/sh -c) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.2 /usr/bin/opam")) 2024-09-29 13:16.02 ---> using "e88d2a325cd1b262b1be099c3beffad64793174051055cf6d43891fa2681dfe7" 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 development 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] synchronised from file:///home/opam/opam-repository 2024-09-29 13:16.02 ---> using "80b03159597195c45a9dcd03502925236eb4de1330b74bb3d0d87d81787745db" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-41-generic The OCaml toplevel, version 5.2.0 2.2.1 2024-09-29 13:16.02 ---> using "343836a4a0de71a439d52b6140a1e934b1d0e55c25487eea9e2fd54d2f487237" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2024-09-29 13:16.02 ---> using "511717593968fcb22aa00d7ab0f582b562babbd43de0e877abf8c7e38c3ec15c" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e b876d7d37014df697368765c088aa86d24dc8b6b || git fetch origin master) && git reset -q --hard b876d7d37014df697368765c088aa86d24dc8b6b && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD e89899ac28..98a8109514 master -> origin/master b876d7d370 Merge pull request #26641 from polytypic/release-backoff-0.1.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from file:///home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # Run eval $(opam env) to update the current shell environment 2024-09-29 13:16.02 ---> using "09b3993bf820fb18fc19f707763e6369e37caceb2f3202b017a6a4e717c38122" from cache /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2024-09-29 13:16.02 ---> using "24c157b5900040fac6588440233b971792cb59463587e981407537d1fe59ce2b" 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) 2024-09-29 13:16.02 ---> using "43155e817dc606fa438f2514d310fc39386941ed2e37c764c29787b488156226" from cache /src: (env DEPS "afl-persistent.1.4 alcotest.1.8.0 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-bytes.base base-domains.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.1.3.0 containers.3.14 cppo.1.7.0 crowbar.0.2.1 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.3.16.0 dune-configurator.3.16.0 either.1.0.0 fmt.0.9.0 hmap.0.8.1 host-arch-arm32.1 host-system-other.1 iomux.0.3 kcas.0.7.0 logs.0.7.0 lwt-dllist.1.0.1 mdx.2.4.1 mtime.2.1.0 multicore-magic.2.3.0 ocaml.5.2.0 ocaml-base-compiler.5.2.0 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.3.6.9 ocamlbuild.0.15.0 ocamlfind.1.9.6 ocplib-endian.1.2 optint.0.3.0 oseq.0.5.1 psq.0.2.1 re.1.12.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.0.7 tsort.2.1.0 uring.0.9 uutf.1.0.3 yojson.2.2.2") /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=2.2 --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://deb.debian.org/debian bookworm InRelease [151 kB] - Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB] - Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB] - Get:4 http://deb.debian.org/debian bookworm/main armhf Packages [8499 kB] - Get:5 http://deb.debian.org/debian bookworm-updates/main armhf Packages.diff/Index [11.7 kB] - Get:6 http://deb.debian.org/debian-security bookworm-security/main armhf Packages [176 kB] - Get:7 http://deb.debian.org/debian bookworm-updates/main armhf Packages T-2024-09-10-2011.55-F-2024-09-10-2011.55.pdiff [1112 B] - Get:7 http://deb.debian.org/debian bookworm-updates/main armhf Packages T-2024-09-10-2011.55-F-2024-09-10-2011.55.pdiff [1112 B] - Fetched 8942 kB in 1s (6570 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [eio_linux.dev] synchronised (no changes) [eio.dev] synchronised (no changes) [eio_main.dev] synchronised (no changes) [eio_posix.dev] synchronised (no changes) [eio_windows.dev] synchronised (no changes) [NOTE] Package ocaml-options-vanilla is already installed (current version is 1). [NOTE] Package ocaml-option-bytecode-only is already installed (current version is 1). [NOTE] Package ocaml-config is already installed (current version is 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.0). [NOTE] Package ocaml is already installed (current version is 5.2.0). [NOTE] Package host-system-other is already installed (current version is 1). [NOTE] Package host-arch-arm32 is already installed (current version is 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-domains is already installed (current version is base). [NOTE] Package base-bigarray is already installed (current version is base). 2024-09-29 13:16.02 ---> using "94cd46d0ae911a5829b5505b3a6f81a0eebccb51d525be21372cdc60065f28a6" 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-option-bytecode-only is already installed (current version is 1). [NOTE] Package ocaml-config is already installed (current version is 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.0). [NOTE] Package ocaml is already installed (current version is 5.2.0). [NOTE] Package host-system-other is already installed (current version is 1). [NOTE] Package host-arch-arm32 is already installed (current version is 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-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 46 packages - install afl-persistent 1.4 - install alcotest 1.8.0 - install astring 0.8.5 - install backoff 0.1.1 - install base-bytes base - install bigstringaf 0.10.0 - install camlp-streams 5.0.1 - install cmdliner 1.3.0 - install containers 3.14 - install cppo 1.7.0 - install crowbar 0.2.1 - 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 3.16.0 - install dune-configurator 3.16.0 - install either 1.0.0 - install fmt 0.9.0 - install hmap 0.8.1 - install iomux 0.3 - install kcas 0.7.0 - install logs 0.7.0 - install lwt-dllist 1.0.1 - install mdx 2.4.1 - install mtime 2.1.0 - install multicore-magic 2.3.0 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 3.6.9 - install ocamlbuild 0.15.0 - install ocamlfind 1.9.6 - install ocplib-endian 1.2 - install optint 0.3.0 - install oseq 0.5.1 - install psq 0.2.1 - install re 1.12.0 - install result 1.5 - install seq base - install stdlib-shims 0.3.0 - install thread-table 1.0.0 - install topkg 1.0.7 - install tsort 2.1.0 - install uring 0.9 - install uutf 1.0.3 - install yojson 2.2.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved afl-persistent.1.4 (cached) -> retrieved backoff.0.1.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved alcotest.1.8.0 (cached) -> retrieved cmdliner.1.3.0 (cached) -> retrieved cppo.1.7.0 (cached) -> retrieved containers.3.14 (cached) -> retrieved crowbar.0.2.1 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved domain-local-timeout.1.0.1 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved dscheck.0.5.0 (cached) -> retrieved either.1.0.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved fmt.0.9.0 (cached) -> retrieved iomux.0.3 (cached) -> retrieved kcas.0.7.0 (cached) -> retrieved logs.0.7.0 (cached) -> retrieved lwt-dllist.1.0.1 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved multicore-magic.2.3.0 (cached) -> retrieved mdx.2.4.1 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.3.6.9 (cached) -> retrieved ocamlbuild.0.15.0 (cached) -> retrieved ocamlfind.1.9.6 (cached) -> retrieved dune.3.16.0, dune-configurator.3.16.0 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved oseq.0.5.1 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved seq.base (cached) -> retrieved re.1.12.0 (cached) -> retrieved result.1.5 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved tsort.2.1.0 (cached) -> retrieved uutf.1.0.3 (cached) -> retrieved topkg.1.0.7 (cached) -> installed cmdliner.1.3.0 -> installed seq.base -> retrieved uring.0.9 (cached) -> retrieved yojson.2.2.2 (cached) -> installed ocamlfind.1.9.6 -> installed base-bytes.base -> installed ocamlbuild.0.15.0 -> installed topkg.1.0.7 -> installed hmap.0.8.1 -> installed mtime.2.1.0 -> installed uutf.1.0.3 -> installed fmt.0.9.0 -> installed astring.0.8.5 -> installed logs.0.7.0 -> installed dune.3.16.0 -> installed backoff.0.1.1 -> installed lwt-dllist.1.0.1 -> installed stdlib-shims.0.3.0 -> installed either.1.0.0 -> installed result.1.5 -> installed thread-table.1.0.0 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed cstruct.6.2.0 -> installed multicore-magic.2.3.0 -> installed ocaml-version.3.6.9 -> installed optint.0.3.0 -> installed oseq.0.5.1 -> installed psq.0.2.1 -> installed re.1.12.0 -> installed tsort.2.1.0 -> installed domain-local-await.1.0.1 -> installed afl-persistent.1.4 -> installed domain-local-timeout.1.0.1 -> installed cppo.1.7.0 -> installed yojson.2.2.2 -> installed ocplib-endian.1.2 -> installed kcas.0.7.0 -> installed crowbar.0.2.1 -> installed dune-configurator.3.16.0 -> installed ocaml-syntax-shims.1.0.0 -> installed bigstringaf.0.10.0 -> installed iomux.0.3 -> installed alcotest.1.8.0 -> installed containers.3.14 -> installed uring.0.9 -> installed dscheck.0.5.0 -> installed mdx.2.4.1 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 5.2.0+afl ocaml-variants.5.2.0+options ocaml-option-afl # Run eval $(opam env) to update the current shell environment 2024-09-29 13:16.02 ---> using "ff36070e4450fa4ab021de3b0763931da2075484df3783e2fcd68edb58468623" from cache /src: (copy (src .) (dst /src)) 2024-09-29 13:16.02 ---> using "d86f449e9f67148a161035b89f57c953164e96ad73f3b776504a6823f120c61f" from cache /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 `X0CYBYTS'. [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 0.008s. 11 tests run. 2024-09-29 13:16.02 ---> using "2736e11428cf4d85ef389ecdb9015856178367c0627ed2e5f58b8cf746b495fc" from cache Job succeeded 2024-09-29 13:16.02: Job succeeded