2025-11-26 10:33.32: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/823/head (9ffc07dedd802f844f28be1c322ccb73104e8ae1) (macos-arm64:macos-homebrew-5.4_arm64_opam-2.4)Base: macos-homebrew-ocaml-5.4Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/823/head" && git reset --hard 9ffc07decat > Dockerfile <<'END-OF-DOCKERFILE'FROM macos-homebrew-ocaml-5.4# macos-homebrew-5.4_arm64_opam-2.4USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f ~/local/bin/opam-2.4 ~/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN cd ~/opam-repository && (git cat-file -e 8a324a5b9945e0e515da441ede437f3756caa83d || git fetch origin master) && git reset -q --hard 8a324a5b9945e0e515da441ede437f3756caa83d && 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 ./src/./RUN opam pin add -yn eio_windows.dev './src/./' && \opam pin add -yn eio_posix.dev './src/./' && \opam pin add -yn eio_main.dev './src/./' && \opam pin add -yn eio_linux.dev './src/./' && \opam pin add -yn eio.dev './src/./'RUN echo '(lang dune 3.0)' > './src/./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.3.16 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.3.20.2 dune-configurator.3.20.2 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.1 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 uutf.1.0.4 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.4 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . ./srcRUN cd ./src && opam exec -- dune build --only-packages=eio_windows,eio_posix,eio_main,eio @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2025-11-26 10:33.32: Using cache hint "ocaml-multicore/eio-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_arm64_opam-2.4-818afdde90684c779361e8870a11b01d"2025-11-26 10:33.32: Using OBuilder spec:((from macos-homebrew-ocaml-5.4)(comment macos-homebrew-5.4_arm64_opam-2.4)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(run (shell "ln -f ~/local/bin/opam-2.4 ~/local/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 8a324a5b9945e0e515da441ede437f3756caa83d || git fetch origin master) && git reset -q --hard 8a324a5b9945e0e515da441ede437f3756caa83d && 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 ./src/./))(run (network host)(shell "opam pin add -yn eio_windows.dev './src/./' && \\nopam pin add -yn eio_posix.dev './src/./' && \\nopam pin add -yn eio_main.dev './src/./' && \\nopam pin add -yn eio_linux.dev './src/./' && \\nopam pin add -yn eio.dev './src/./'"))(run (network host)(shell "echo '(lang dune 3.0)' > './src/./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.3.16 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.3.20.2 dune-configurator.3.20.2 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.1 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 uutf.1.0.4 yojson.3.0.0")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio.dev $DEPS"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst ./src))(run (shell "cd ./src && opam exec -- dune build --only-packages=eio_windows,eio_posix,eio_main,eio @install @check @runtest && rm -rf _build")))2025-11-26 10:33.32: Waiting for resource in pool OCluster2025-11-26 10:33.32: Waiting for worker…2025-11-26 11:31.50: Got resource from pool OClusterBuilding on m1-worker-01All commits already cachedHEAD is now at 9ffc07d Add Eio_unix.Stdenv.with_env for updating environments(from macos-homebrew-ocaml-5.4)2025-11-26 11:31.50 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache/: (comment macos-homebrew-5.4_arm64_opam-2.4)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (run (shell "ln -f ~/local/bin/opam-2.4 ~/local/bin/opam"))2025-11-26 11:31.51 ---> using "c45c11c7286cf606ab2156414383237a0e197bf48b9278e9465cc1693c9332b7" from cache/: (run (shell "opam init --reinit -ni"))No configuration file found, using 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 /Users/mac1000/.opam from version 2.1 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 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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///Users/mac1000/opam-repository2025-11-26 11:31.51 ---> using "59a16318ff40c58338bc0b572a2d778111fa14b30a0dc4a11f6465d8abb80bbd" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 5.4.02.4.12025-11-26 11:31.51 ---> using "03cbf303c2ae412068cf1b7f097ec773b09f8e6d693af9a4cf051761664f96f9" from cache/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 8a324a5b9945e0e515da441ede437f3756caa83d || git fetch origin master) && git reset -q --hard 8a324a5b9945e0e515da441ede437f3756caa83d && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD5bf570252b..cdece73aa3 master -> origin/master8a324a5b99 Add: cmdliner.2.1.0 (#28962)<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///Users/mac1000/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2025-11-26 11:31.51 ---> using "298aca08415c65c197b497e1df5944924fac42732e6930f7c843af61b613bb22" from cache/: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)(dst ./src/./))2025-11-26 11:31.52 ---> saved as "996c71d26e7260f942abe6c0744866d6de3c9123fc4198e8ea7eda2f6f52a24a"/: (run (network host)(shell "opam pin add -yn eio_windows.dev './src/./' && \\nopam pin add -yn eio_posix.dev './src/./' && \\nopam pin add -yn eio_main.dev './src/./' && \\nopam pin add -yn eio_linux.dev './src/./' && \\nopam pin add -yn eio.dev './src/./'"))[eio_windows.dev] synchronised (file:///Users/mac1000/src)eio_windows is now pinned to file:///Users/mac1000/src (version dev)[eio_posix.dev] synchronised (file:///Users/mac1000/src)eio_posix is now pinned to file:///Users/mac1000/src (version dev)[eio_main.dev] synchronised (file:///Users/mac1000/src)eio_main is now pinned to file:///Users/mac1000/src (version dev)[eio_linux.dev] synchronised (file:///Users/mac1000/src)eio_linux is now pinned to file:///Users/mac1000/src (version dev)[eio.dev] synchronised (file:///Users/mac1000/src)eio is now pinned to file:///Users/mac1000/src (version dev)2025-11-26 11:32.04 ---> saved as "2e6bb10a97dbac7ee044ec8a4b50f5aeecb247a894998001799c2fb5da2081b6"/: (run (network host)(shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2025-11-26 11:32.05 ---> saved as "8081a594bac17220aac2804fec23cba192ec0f7f2497d89ce9968b8295eae97f"/: (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.3.16 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.3.20.2 dune-configurator.3.20.2 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.1 mtime.2.1.0 multicore-magic.2.3.1 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 uutf.1.0.4 yojson.3.0.0")/: (env CI true)/: (env OCAMLCI true)/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y eio_windows.dev eio_posix.dev eio_main.dev eio.dev $DEPS"))+ /opt/homebrew/bin/brew "update"- ==> Updating Homebrew...- Already up-to-date.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[eio_posix.dev] synchronised (file:///Users/mac1000/src)[eio_main.dev] synchronised (file:///Users/mac1000/src)[eio.dev] synchronised (file:///Users/mac1000/src)[eio_windows.dev] synchronised (file:///Users/mac1000/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).2025-11-26 11:32.22 ---> saved as "228fa831da45b17ca5ea5d33215d1d65cb1b2e2e364e170d28b2a55ea602a23f"/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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 44 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 3.16- 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 3.20.2- install dune-configurator 3.20.2- install either 1.0.0- install fmt 0.11.0- install hmap 0.8.1- install iomux 0.4- install kcas 0.7.0- install logs 0.10.0- install lwt-dllist 1.1.0- install mdx 2.5.1- install mtime 2.1.0- install multicore-magic 2.3.1- 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 uutf 1.0.4- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved astring.0.8.5 (cached)-> retrieved alcotest.1.9.1 (cached)-> retrieved backoff.0.1.1 (cached)-> retrieved afl-persistent.1.4 (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 crowbar.0.2.2 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved domain-local-await.1.0.1 (cached)-> retrieved containers.3.16 (cached)-> retrieved domain-local-timeout.1.0.1 (cached)-> retrieved dscheck.0.5.0 (cached)-> retrieved cstruct.6.2.0 (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.2.3.1 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocaml-version.4.0.3 (cached)-> retrieved mdx.2.5.1 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved optint.0.3.0 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved psq.0.2.1 (cached)-> retrieved oseq.0.5.1 (cached)-> retrieved result.1.5 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved re.1.14.0 (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 dune.3.20.2, dune-configurator.3.20.2 (cached)-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed topkg.1.1.1-> installed hmap.0.8.1-> installed uutf.1.0.4-> installed mtime.2.1.0-> installed fmt.0.11.0-> installed astring.0.8.5-> installed logs.0.10.0-> installed dune.3.20.2-> installed csexp.1.5.2-> installed afl-persistent.1.4-> installed lwt-dllist.1.1.0-> installed cstruct.6.2.0-> installed either.1.0.0-> installed cppo.1.8.0-> installed camlp-streams.5.0.1-> installed backoff.0.1.1-> installed crowbar.0.2.2-> installed optint.0.3.0-> installed ocaml-version.4.0.3-> installed multicore-magic.2.3.1-> installed ocaml-syntax-shims.1.0.0-> installed oseq.0.5.1-> installed stdlib-shims.0.3.0-> installed result.1.5-> installed thread-table.1.0.0-> installed tsort.2.2.0-> installed psq.0.2.1-> installed domain-local-timeout.1.0.1-> installed domain-local-await.1.0.1-> installed dune-configurator.3.20.2-> installed re.1.14.0-> installed bigstringaf.0.10.0-> installed kcas.0.7.0-> installed iomux.0.4-> installed yojson.3.0.0-> installed alcotest.1.9.1-> installed containers.3.16-> installed mdx.2.5.1-> 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)2025-11-26 11:33.12 ---> saved as "f399a4b53ca89dbea484a279f84e1005c69312c2f7bba50f0479c641c65f532b"/: (copy (src .) (dst ./src))2025-11-26 11:33.13 ---> saved as "70132a20132308cf9a5719a0608457d601e6737a345dfba430af8051eaa89660"/: (run (shell "cd ./src && opam exec -- dune build --only-packages=eio_windows,eio_posix,eio_main,eio @install @check @runtest && rm -rf _build"))(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/fuzz && ./fuzz_buf_read.exe)random ops: PASS2025-11-26 11:33.20 ---> saved as "36db2be858a9565c8a94fb6e145a830ef368ff0f2e945104f6397096f3750103"Job succeeded2025-11-26 11:33.25: Job succeeded