2025-11-26 10:33.49: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (c44ee5ce96c120b7ccc23a12d241dc8672e2888f) (linux-x86_64:debian-13-5.4_x86_32_opam-2.4)Base: ocaml/opam:debian-13-ocaml-5.4@sha256:9bdec5ca327cd6d66fa8cb3659ddd8617fb69eb160919f4e456394d04c353f59Opam 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@sha256:9bdec5ca327cd6d66fa8cb3659ddd8617fb69eb160919f4e456394d04c353f59# debian-13-5.4_x86_32_opam-2.4USER 1000:1000SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.4 /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 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 ./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.3.16 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-option-bytecode-only.1 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=2.4 --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-BLOCK2025-11-26 10:33.49: Using cache hint "ocaml-multicore/eio-ocaml/opam:debian-13-ocaml-5.4@sha256:9bdec5ca327cd6d66fa8cb3659ddd8617fb69eb160919f4e456394d04c353f59-debian-13-5.4_x86_32_opam-2.4-0c66095ba06645cdfbd71abad3e4c3d5"2025-11-26 10:33.49: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4@sha256:9bdec5ca327cd6d66fa8cb3659ddd8617fb69eb160919f4e456394d04c353f59)(comment debian-13-5.4_x86_32_opam-2.4)(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-2.4 /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 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 ./))(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.3.16 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-option-bytecode-only.1 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=2.4 --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")))2025-11-26 10:33.49: Waiting for resource in pool OCluster2025-11-26 12:04.58: Waiting for worker…2025-11-26 12:11.18: Got resource from pool OClusterBuilding on bremusa.ocamllabs.ioAll commits already cachedHEAD is now at c44ee5c Merge pull request #822 from patricoferris/fiber-docs(from ocaml/opam:debian-13-ocaml-5.4@sha256:9bdec5ca327cd6d66fa8cb3659ddd8617fb69eb160919f4e456394d04c353f59)2025-11-26 12:18.47 ---> using "9c1d32ccf9056b93d3708404102f28771417a85830281d2cde1fa1eace91197e" from cache/: (comment debian-13-5.4_x86_32_opam-2.4)/: (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-2.4 /usr/bin/opam"))2025-11-26 12:18.47 ---> using "4ea79590925ffa12d6c7e4ec206deb2b0bc081056aaa56a6776127c1e94d480c" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2025-11-26 12:18.47 ---> using "6ecc9f6e476adb1860a180532975866a07d48fff0ee9b2dc4c108031bce4d7de" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-85-genericThe OCaml toplevel, version 5.4.02.4.12025-11-26 12:18.47 ---> using "dbdd89eac67507c02d8052831ada4800809f09c0e9412a260f05703eaf03f43b" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2025-11-26 12:18.47 ---> using "14d47f8143c9b814b095490a68c37b57c89b171fcf8a250b834ca5d6251c22d2" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(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_HEAD2ec6d6cc92..cdece73aa3 master -> origin/master8a324a5b99 Add: cmdliner.2.1.0 (#28962)<><> 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)2025-11-26 12:18.47 ---> using "1508cc1768707dd96796daac4fd0296696b738030710757332da11d52f765668" from cache/src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)(dst ./))2025-11-26 12:18.47 ---> using "43a59339c31c3edaeaa70547762d935ca37d4ec6311fc5ebfbaa825859fbbc6f" 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)2025-11-26 12:18.47 ---> using "291bc265cf50dcf50c1469603cc67630ed94418ffc7c1535f9f064bdd616a9e5" from cache/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2025-11-26 12:18.47 ---> using "71ba38215d415eb127f14aa6c42261d02221135bc2be13cc6db9bfe299d8094f" 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.3.16 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-option-bytecode-only.1 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=2.4 --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 trixie InRelease [140 kB]- 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 trixie/main i386 Packages [9430 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main i386 Packages [67.1 kB]- Fetched 9728 kB in 3s (3528 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-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-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 12:18.47 ---> using "75d6d3757b1fe58c1e4e413cc40d8ae19564959b726df0c715e1b65e0694d5fe" 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-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 3.16- 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 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 containers.3.16 (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 hmap.0.8.1 (cached)-> retrieved fmt.0.11.0 (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 mdx.2.5.1 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocaml-version.4.0.3 (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 re.1.14.0 (cached)-> retrieved psq.0.2.1 (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.3.20.2, 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 mtime.2.1.0-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed logs.0.10.0-> installed dune.3.20.2-> installed afl-persistent.1.4-> installed backoff.0.1.1-> installed lwt-dllist.1.1.0-> installed either.1.0.0-> installed result.1.5-> installed thread-table.1.0.0-> installed stdlib-shims.0.3.0-> installed csexp.1.5.2-> installed camlp-streams.5.0.1-> installed cstruct.6.2.0-> installed multicore-magic.2.3.1-> installed ocaml-version.4.0.3-> installed optint.0.3.0-> installed oseq.0.5.1-> installed psq.0.2.1-> installed re.1.14.0-> installed tsort.2.2.0-> installed domain-local-await.1.0.1-> installed crowbar.0.2.2-> installed domain-local-timeout.1.0.1-> installed cppo.1.8.0-> installed yojson.3.0.0-> installed kcas.0.7.0-> installed dune-configurator.3.20.2-> installed ocaml-syntax-shims.1.0.0-> installed bigstringaf.0.10.0-> installed iomux.0.4-> installed alcotest.1.9.1-> installed containers.3.16-> installed uring.2.7.0-> installed dscheck.0.5.0-> installed mdx.2.5.1Done.<><> 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 12:18.47 ---> using "a56ff629885c1cbf458a863d1f70a113f6cb5abdfbe1cdc4152ee32a57ae8ebc" from cache/src: (copy (src .) (dst /src))2025-11-26 12:18.48 ---> saved as "d8a3fc5ee409e9716461acbbb2f457610f9b6d3910820965301dedb04df967aa"/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 `WPA2H541'.[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 0.051s. 11 tests run.2025-11-26 12:19.55 ---> saved as "66d03b5887e1e89a299ec931c1c347c199c3d23e3dd8ad46b82654ae1f372676"Job succeeded2025-11-26 12:19.55: Job succeeded