2026-02-16 21:38.41: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (c44ee5ce96c120b7ccc23a12d241dc8672e2888f) (linux-x86_64:debian-13-5.4+flambda_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/eio.git" -b "main" && cd "eio" && git reset --hard c44ee5cecat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41# debian-13-5.4+flambda_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 ff53f72a2370b4077c5d0df2664a9a52feb1d8c3 || git fetch origin master) && git reset -q --hard ff53f72a2370b4077c5d0df2664a9a52feb1d8c3 && 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.3.21.1 dune-configurator.3.21.1 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.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-02-16 21:38.41: Using cache hint "ocaml-multicore/eio-ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41-debian-13-5.4+flambda_opam-2.5-30e5d603ac350fbffae2bae6149e4bd5"2026-02-16 21:38.41: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41)(comment debian-13-5.4+flambda_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 ff53f72a2370b4077c5d0df2664a9a52feb1d8c3 || git fetch origin master) && git reset -q --hard ff53f72a2370b4077c5d0df2664a9a52feb1d8c3 && 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.3.18 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.3.21.1 dune-configurator.3.21.1 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.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options 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")))2026-02-16 21:38.41: Waiting for resource in pool OCluster2026-02-16 21:38.41: Waiting for worker…2026-02-16 21:39.43: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at c44ee5c Merge pull request #822 from patricoferris/fiber-docs(from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41)Unable to find image 'ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41' locallydocker.io/ocaml/opam@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41: Pulling from ocaml/opamef235bf1a09a: Already exists63ff7b8f62f7: Already existsd97a3c4f37e5: Already exists998bb0585113: Already exists94828ef2bfe2: Already exists3dd00a8a6b86: Already exists1816e5253dcb: Already existse502341419e0: Already exists7741a83685ca: Already exists713e411af135: Already exists5d3b19c24612: Already exists29b7cdb1fafb: Already exists015412fc79ef: Already existsbbb53f8a3678: Already existse4b20c98bd52: Already exists09103d92a91d: Already exists042e26f97610: Already exists1ee2a20e6c74: Already exists83c7c07ee7d9: Already exists4e9ca69a996f: Already exists3e6921c56ad6: Already existsc16273f75711: Already exists4f4fb700ef54: Already exists4876e5de169a: Already exists924fedb47896: Already existseab21cd4733f: Already exists2a28c5a72f80: Already existsa565bce96cc2: Already exists1b84da29c428: Already existsa99c55249385: Already exists5043a4afe7d4: Already existse596723297c6: Already exists9233633d4448: Already existsf0cc407c3599: Already exists5737f0b22df8: Already exists757775b7c837: Already exists2d2d616aaf57: Already existsb240f925287f: Already existsa05b65e9dec1: Already exists752e118a24d2: Already exists6f4175cf580f: Already exists8ccdc50d6c4f: Pulling fs layerf943e65f6a67: Pulling fs layer0233655f7662: Pulling fs layerf18eb7209da3: Pulling fs layer721d63319ed2: Pulling fs layer2cc4cab14882: Pulling fs layerd182efc22647: Pulling fs layerf18eb7209da3: Waiting721d63319ed2: Waiting2cc4cab14882: Waitingd182efc22647: Waitingf943e65f6a67: Download complete8ccdc50d6c4f: Download complete8ccdc50d6c4f: Pull completef943e65f6a67: Pull complete0233655f7662: Verifying Checksum0233655f7662: Download complete0233655f7662: Pull complete721d63319ed2: Verifying Checksum721d63319ed2: Download complete2cc4cab14882: Verifying Checksumd182efc22647: Verifying Checksumd182efc22647: Download completef18eb7209da3: Verifying Checksumf18eb7209da3: Download completef18eb7209da3: Pull complete721d63319ed2: Pull complete2cc4cab14882: Pull completed182efc22647: Pull completeDigest: sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41Status: Downloaded newer image for ocaml/opam@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d412026-02-16 21:39.42 ---> using "99a562272dc8ce3c679ddc6d0cba880bddddf1e9ea3303dd28b933af799c6dd7" from cache/: (comment debian-13-5.4+flambda_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"))2026-02-16 21:39.42 ---> using "979124831c702b9ebdd46ca5988dc693ad2c8bdd46c7e8eb458e5f1b8578d558" from cache/src: (run (shell "opam init --reinit -ni"))Configuring from /home/opam/.opamrc and then from built-in defaults.Checking for available remotes: rsync and local, git.- you won't be able to use mercurial repositories unless you install the hg command on your system.- you won't be able to use darcs repositories unless you install the darcs command on your system.This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[NOTE] The 'jobs' option was reset, its value was 71 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=71 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-02-16 21:39.42 ---> using "ed36e33e2685751c6c787b82ebe87388d91f71485d9e9b7d5693bce3fc644ccf" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-87-genericThe OCaml toplevel, version 5.4.02.5.02026-02-16 21:39.42 ---> using "b81469fd0f2a80b576e0eb694d6d3cb9cd81729b257965237f6dd1e91fc1b2e6" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-02-16 21:39.42 ---> using "5630e91122e70a7afd83fd5c1530e31b84e3c4824ac11ecb8163900e5dbaf849" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e ff53f72a2370b4077c5d0df2664a9a52feb1d8c3 || git fetch origin master) && git reset -q --hard ff53f72a2370b4077c5d0df2664a9a52feb1d8c3 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD3109384a92..ff53f72a23 master -> origin/masterff53f72a23 Merge pull request #29372 from c-cube/release-containers-v3.18<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-02-16 21:39.42 ---> using "99bc068b51513600054e01afeee5d9d42c2e9a119c71454997ffa69aee503737" from cache/src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)(dst ./))2026-02-16 21:39.42 ---> using "875d6670ea7783eb5155d11da79dc6f02807b30dbbf30ea1be74e1054c635e65" 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)2026-02-16 21:39.42 ---> using "2f780ed9b78f951905affc2449c994b90023aa7dfe208c1e637336bf12e8aadf" from cache/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-02-16 21:39.42 ---> using "567518f2b8499e44876ee95273d9b48d3a910a40e682dee0e814f4238720a1a9" 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.3.21.1 dune-configurator.3.21.1 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.2.5.1 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options 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 amd64 Packages [108 kB]- Fetched 198 kB in 0s (1693 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-variants is already installed (current version is 5.4.0+options).[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 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)2026-02-16 21:39.42 ---> using "2d98385b0912fb4b9cd84332c0f5680e84c190af523c0464959ffbea4d9135c4" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options).[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 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 3.18- 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 3.21.1- install dune-configurator 3.21.1- 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 2.5.1- 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)-> installed conf-bash.1-> retrieved cppo.1.8.0 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved crowbar.0.2.2 (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 containers.3.18 (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)-> 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.3.21.1, dune-configurator.3.21.1 (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.3.21.1-> installed afl-persistent.1.4-> installed lwt-dllist.1.1.0-> installed either.1.0.0-> installed backoff.0.1.1-> installed csexp.1.5.2-> installed camlp-streams.5.0.1-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed multicore-magic.2.3.2-> installed ocaml-version.4.0.3-> installed optint.0.3.0-> installed ocaml-syntax-shims.1.0.0-> 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 crowbar.0.2.2-> installed yojson.3.0.0-> installed domain-local-timeout.1.0.1-> installed domain-local-await.1.0.1-> installed kcas.0.7.0-> installed alcotest.1.9.1-> installed dune-configurator.3.21.1-> installed bigstringaf.0.10.0-> installed iomux.0.4-> installed mdx.2.5.1-> installed uring.2.7.0-> installed containers.3.18-> 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 5.4.0+afl ocaml-variants.5.4.0+options ocaml-option-afl# To update the current shell environment, run: eval $(opam env)2026-02-16 21:40.16 ---> saved as "30b947cad41c5af64fc01ddadc7e0becd4ab525000c5d2198820561e57b760d4"/src: (copy (src .) (dst /src))2026-02-16 21:40.17 ---> saved as "befb3298b26624adfbcb7d6cc43ee92fdd33db840a259c35435f58217c7fa78a"/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 `W16LU49Q'.[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 0.007s. 11 tests run.2026-02-16 21:40.26 ---> saved as "c908b97c98ab06afdd4cc47d4d8338aa660f7f1a7b4e48cb8e3a0b68d7e28f26"Job succeeded2026-02-16 21:40.27: Job succeeded