2026-06-09 09:12.31: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/heads/main (bd0ad09655affb1f459db81a16f8a4d640b7cb41) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" -b "main" && cd "eio" && git reset --hard bd0ad096 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08 # ubuntu-25.10-5.4_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 cd ~/opam-repository && (git cat-file -e c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN 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.2.1.1 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.3.23.1 dune-configurator.3.23.1 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 lintcstubs-arity.0.5.2 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.1 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.2.14.0 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 2026-06-09 09:12.31: Using cache hint "ocaml-multicore/eio-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08-ubuntu-25.10-5.4_opam-2.5-12c456a1f67161cdda644e9d789b7618" 2026-06-09 09:12.31: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08) (comment ubuntu-25.10-5.4_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 (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && git log --no-decorate -n1 --oneline")) (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 "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 (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.2.1.1 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.3.23.1 dune-configurator.3.23.1 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 lintcstubs-arity.0.5.2 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.1 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.2.14.0 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")) ) 2026-06-09 09:12.31: Waiting for resource in pool OCluster 2026-06-09 09:12.31: Waiting for worker… 2026-06-09 09:12.40: Got resource from pool OCluster Building on bremusa.ocamllabs.io hint: Using 'master' as the name for the initial branch. This default branch name hint: will change to "main" in Git 3.0. To configure the initial branch name hint: to use in all of your new repositories, which will suppress this warning, hint: call: hint: hint: git config --global init.defaultBranch <name> hint: hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and hint: 'development'. The just-created branch can be renamed via this command: hint: hint: git branch -m <name> hint: hint: Disable this message with "git config set advice.defaultBranchName false" Initialised empty Git repository in /var/cache/obuilder/ocluster/git/eio.git-2ac56b2ed1de05e0591ad64f831b4a4fd3ce42f2/.git/ HEAD is now at bd0ad09 Merge pull request #849 from talex5/simplify-rw (from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08) Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08' locally docker.io/ocaml/opam@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08: Pulling from ocaml/opam 16c195d4c5e9: Already exists 5d5ae59f12bf: Pulling fs layer 2a1bdaff57b1: Pulling fs layer 5d5ae59f12bf: Waiting 4f0da68efc03: Pulling fs layer 2a1bdaff57b1: Waiting ddae77db6783: Pulling fs layer 4f0da68efc03: Waiting fdb5e27abf0f: Pulling fs layer ddae77db6783: Waiting 93a3171e4fee: Pulling fs layer fdb5e27abf0f: Waiting dbf7af4bbc5e: Pulling fs layer 93a3171e4fee: Waiting 5f7df1a633be: Pulling fs layer dbf7af4bbc5e: Waiting 91c5054ad467: Pulling fs layer 5f7df1a633be: Waiting f85e33539fc1: Pulling fs layer 60715424f1f3: Pulling fs layer 91c5054ad467: Waiting 3d928beeeddb: Pulling fs layer f85e33539fc1: Waiting 60715424f1f3: Waiting ad721eb63d8e: Pulling fs layer 3d928beeeddb: Waiting 6423a1c6a219: Pulling fs layer ad721eb63d8e: Waiting 5b5461462268: Pulling fs layer 6423a1c6a219: Waiting d0115271718d: Pulling fs layer 5b5461462268: Waiting d0115271718d: Waiting 9fd788776761: Pulling fs layer ee0541408fb9: Pulling fs layer 9fd788776761: Waiting 3710803c65d7: Pulling fs layer ee0541408fb9: Waiting ce2c52193d43: Pulling fs layer 3710803c65d7: Waiting 4f4fb700ef54: Pulling fs layer ce2c52193d43: Waiting a2f980d0b98b: Pulling fs layer 4f4fb700ef54: Waiting 410070a2f222: Pulling fs layer a2f980d0b98b: Waiting d3816a848673: Pulling fs layer 410070a2f222: Waiting 7c855ca71d74: Pulling fs layer d3816a848673: Waiting 1528501eaf16: Pulling fs layer 7c855ca71d74: Waiting 23228c2200ea: Pulling fs layer 1528501eaf16: Waiting 54f128346b20: Pulling fs layer 23228c2200ea: Waiting 76cf7939a21f: Pulling fs layer 54f128346b20: Waiting ebfcf91f683f: Pulling fs layer 76cf7939a21f: Waiting aba3e293a4a1: Pulling fs layer ebfcf91f683f: Waiting 5f6c0c42c902: Pulling fs layer aba3e293a4a1: Waiting 266bc6609d9e: Pulling fs layer 5f6c0c42c902: Waiting 3a04eeb47cdb: Pulling fs layer 266bc6609d9e: Waiting 87a3a470063e: Pulling fs layer 3a04eeb47cdb: Waiting 980e2f0cf672: Pulling fs layer 87a3a470063e: Waiting b223ec12931a: Pulling fs layer 980e2f0cf672: Waiting b223ec12931a: Waiting a87b49f12125: Pulling fs layer f8c6176a5b8d: Pulling fs layer a87b49f12125: Waiting 058bd90780df: Pulling fs layer f8c6176a5b8d: Waiting 4052b20ca083: Pulling fs layer 058bd90780df: Waiting 39d4d6fb10ee: Pulling fs layer 4052b20ca083: Waiting 96d35981e827: Pulling fs layer 39d4d6fb10ee: Waiting 2402443c1e53: Pulling fs layer 96d35981e827: Waiting 3cfd602cfb02: Pulling fs layer 2402443c1e53: Waiting 3cfd602cfb02: Waiting 5d5ae59f12bf: Verifying Checksum 5d5ae59f12bf: Download complete 2a1bdaff57b1: Verifying Checksum 2a1bdaff57b1: Download complete 5d5ae59f12bf: Pull complete 2a1bdaff57b1: Pull complete 4f0da68efc03: Verifying Checksum 4f0da68efc03: Download complete 4f0da68efc03: Pull complete ddae77db6783: Verifying Checksum ddae77db6783: Download complete ddae77db6783: Pull complete fdb5e27abf0f: Verifying Checksum fdb5e27abf0f: Download complete 93a3171e4fee: Verifying Checksum 93a3171e4fee: Download complete dbf7af4bbc5e: Verifying Checksum dbf7af4bbc5e: Download complete 5f7df1a633be: Verifying Checksum 5f7df1a633be: Download complete 91c5054ad467: Download complete f85e33539fc1: Verifying Checksum f85e33539fc1: Download complete 60715424f1f3: Verifying Checksum 60715424f1f3: Download complete 3d928beeeddb: Verifying Checksum 3d928beeeddb: Download complete ad721eb63d8e: Verifying Checksum ad721eb63d8e: Download complete 6423a1c6a219: Download complete 5b5461462268: Verifying Checksum 5b5461462268: Download complete d0115271718d: Verifying Checksum d0115271718d: Download complete 9fd788776761: Verifying Checksum 9fd788776761: Download complete ee0541408fb9: Download complete 3710803c65d7: Verifying Checksum 3710803c65d7: Download complete ce2c52193d43: Download complete 4f4fb700ef54: Download complete fdb5e27abf0f: Pull complete 93a3171e4fee: Pull complete dbf7af4bbc5e: Pull complete 410070a2f222: Verifying Checksum 410070a2f222: Download complete 5f7df1a633be: Pull complete d3816a848673: Verifying Checksum d3816a848673: Download complete 91c5054ad467: Pull complete 7c855ca71d74: Verifying Checksum 7c855ca71d74: Download complete f85e33539fc1: Pull complete 60715424f1f3: Pull complete 3d928beeeddb: Pull complete 1528501eaf16: Download complete ad721eb63d8e: Pull complete 6423a1c6a219: Pull complete 5b5461462268: Pull complete d0115271718d: Pull complete 23228c2200ea: Verifying Checksum 23228c2200ea: Download complete 54f128346b20: Download complete 76cf7939a21f: Verifying Checksum ebfcf91f683f: Verifying Checksum ebfcf91f683f: Download complete 5f6c0c42c902: Verifying Checksum 5f6c0c42c902: Download complete 266bc6609d9e: Verifying Checksum 266bc6609d9e: Download complete 3a04eeb47cdb: Verifying Checksum 3a04eeb47cdb: Download complete 87a3a470063e: Verifying Checksum 87a3a470063e: Download complete 980e2f0cf672: Verifying Checksum 980e2f0cf672: Download complete b223ec12931a: Verifying Checksum a87b49f12125: Verifying Checksum a87b49f12125: Download complete 9fd788776761: Pull complete ee0541408fb9: Pull complete 3710803c65d7: Pull complete ce2c52193d43: Pull complete 4f4fb700ef54: Pull complete a2f980d0b98b: Pull complete 410070a2f222: Pull complete d3816a848673: Pull complete 7c855ca71d74: Pull complete 1528501eaf16: Pull complete 23228c2200ea: Pull complete 54f128346b20: Pull complete 76cf7939a21f: Pull complete ebfcf91f683f: Pull complete aba3e293a4a1: Pull complete 5f6c0c42c902: Pull complete 266bc6609d9e: Pull complete f8c6176a5b8d: Verifying Checksum f8c6176a5b8d: Download complete 058bd90780df: Verifying Checksum 058bd90780df: Download complete 4052b20ca083: Verifying Checksum 4052b20ca083: Download complete 39d4d6fb10ee: Verifying Checksum 39d4d6fb10ee: Download complete 96d35981e827: Verifying Checksum 96d35981e827: Download complete 2402443c1e53: Verifying Checksum 2402443c1e53: Download complete 3cfd602cfb02: Verifying Checksum 3cfd602cfb02: Download complete 3a04eeb47cdb: Pull complete 87a3a470063e: Pull complete 980e2f0cf672: Pull complete b223ec12931a: Pull complete a87b49f12125: Pull complete f8c6176a5b8d: Pull complete 058bd90780df: Pull complete 4052b20ca083: Pull complete 39d4d6fb10ee: Pull complete 96d35981e827: Pull complete 2402443c1e53: Pull complete 3cfd602cfb02: Pull complete Digest: sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08 Status: Downloaded newer image for ocaml/opam@sha256:9cd6cebf93cdb85b803e2a9b3543614af6b78638dc9c3371d2a8d59f61193a08 2026-06-09 09:12.42 ---> using "3b4cdc02ed2fccff801b3913fdf03d4b91cc199042c7110c0e4d02910df715e6" from cache /: (comment ubuntu-25.10-5.4_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")) 2026-06-09 09:12.42 ---> using "62a6da5ab515c1c6ae1a14f459346643496198f225adc8b1ba33c6976c900576" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD d6a960ed95..b860455781 master -> origin/master c98b21e24c Merge pull request #29993 from shonfeder/conditional-mdx-tests 2026-06-09 09:12.48 ---> saved as "72d1769bba8bbecffc90c555e7f64e3ec6a75bf8011a9faa76f0f2c1617cb9c2" /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 2.1 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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-09 09:13.00 ---> saved as "9f2eb8a77995466a03182d65e7d510fc6db436a93538d223c7660efc8ebea526" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 7.0.0-22-generic The OCaml toplevel, version 5.4.1 2.5.1 2026-06-09 09:13.01 ---> saved as "cde11dea127119c24e5277a4a4bbb9f55fc83e2273ba55e4e766e7791eaa6893" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-09 09:13.01 ---> saved as "5f828cb6512fb23f551037471fb52fdd300f2da7849781d1ef821329c7ee5b9c" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam update -u")) <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///home/opam/opam-repository Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.4.1+lrgrep -- ocaml-base-compiler.5.4.1 is installed and requires ocaml-compiler = 5.4.1 However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-06-09 09:13.10 ---> saved as "c4b4490cb4465ae4e27ea803a1b6150ae6e44cfb30df42a3c95e7fb5aae8d5b0" /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-06-09 09:13.10 ---> saved as "ffdbbe27bcc01781e9fc42571b6ddf64d5fe9c844ea68aa4d7635fa03d0ff4ae" /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) 2026-06-09 09:13.19 ---> saved as "60b22087f0d23bfb035340c3a9f4deaf30fc5cabb21620122b3fd26347250a27" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-09 09:13.19 ---> saved as "db55e500feeecd63f93bae7042579c44dec433de1c54f8754cd148ea0fd53d0b" /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.2.1.1 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.3.23.1 dune-configurator.3.23.1 either.1.0.0 fmt.0.11.0 hmap.0.8.1 iomux.0.4 kcas.0.7.0 lintcstubs-arity.0.5.2 logs.0.10.0 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 multicore-magic.2.3.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.1 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.2.14.0 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" - Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [137 kB] - Hit:2 http://archive.ubuntu.com/ubuntu questing InRelease - Get:3 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [330 kB] - Get:4 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [488 kB] - Get:5 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [352 kB] - Get:6 http://archive.ubuntu.com/ubuntu questing-updates InRelease [138 kB] - Get:7 http://archive.ubuntu.com/ubuntu questing-backports InRelease [134 kB] - Get:8 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [353 kB] - Get:9 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [572 kB] - Get:10 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [421 kB] - Fetched 2926 kB in 1s (3202 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-config is already installed (current version is 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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-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) 2026-06-09 09:13.31 ---> saved as "15561a965272a012aa932e646bb13644202f644b66c1f6b62fedf9da5729ada7" /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 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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-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 46 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 2.1.1 - 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 3.23.1 - install dune-configurator 3.23.1 - 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 lintcstubs-arity 0.5.2 - install logs 0.10.0 - install lwt-dllist 1.1.0 - install mdx 2.5.2 - install mtime 2.1.0 - install multicore-magic 2.3.2 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 4.1.1 - 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 2.14.0 - 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 bigstringaf.0.10.0 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved backoff.0.1.1 (https://opam.ocaml.org/cache) -> installed conf-bash.1 -> retrieved cppo.1.8.0 (cached) -> retrieved cmdliner.2.1.1 (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 (https://opam.ocaml.org/cache) -> retrieved dscheck.0.5.0 (https://opam.ocaml.org/cache) -> retrieved either.1.0.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved iomux.0.4 (cached) -> retrieved containers.3.18 (https://opam.ocaml.org/cache) -> retrieved kcas.0.7.0 (https://opam.ocaml.org/cache) -> retrieved logs.0.10.0 (cached) -> retrieved lwt-dllist.1.1.0 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved lintcstubs-arity.0.5.2 (https://opam.ocaml.org/cache) -> retrieved mtime.2.1.0 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.1.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved multicore-magic.2.3.2 (https://opam.ocaml.org/cache) -> retrieved optint.0.3.0 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved re.1.14.0 (cached) -> retrieved result.1.5 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved oseq.0.5.1 (https://opam.ocaml.org/cache) -> retrieved topkg.1.1.1 (cached) -> retrieved tsort.2.2.0 (https://opam.ocaml.org/cache) -> retrieved uutf.1.0.4 (cached) -> retrieved dune.3.23.1, dune-configurator.3.23.1 (cached) -> retrieved uring.2.14.0 (cached) -> retrieved yojson.3.0.0 (cached) -> installed cmdliner.2.1.1 -> 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 fmt.0.11.0 -> installed mtime.2.1.0 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.23.1 -> installed lwt-dllist.1.1.0 -> installed either.1.0.0 -> installed csexp.1.5.2 -> installed backoff.0.1.1 -> installed camlp-streams.5.0.1 -> installed cstruct.6.2.0 -> installed multicore-magic.2.3.2 -> installed ocaml-syntax-shims.1.0.0 -> installed ocaml-version.4.1.1 -> installed optint.0.3.0 -> installed oseq.0.5.1 -> installed psq.0.2.1 -> installed lintcstubs-arity.0.5.2 -> installed cppo.1.8.0 -> installed result.1.5 -> installed stdlib-shims.0.3.0 -> installed thread-table.1.0.0 -> installed tsort.2.2.0 -> installed re.1.14.0 -> installed afl-persistent.1.4 -> installed domain-local-timeout.1.0.1 -> installed domain-local-await.1.0.1 -> installed yojson.3.0.0 -> installed crowbar.0.2.2 -> installed kcas.0.7.0 -> installed dune-configurator.3.23.1 -> installed alcotest.1.9.1 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed mdx.2.5.2 -> installed containers.3.18 -> installed dscheck.0.5.0 -> installed uring.2.14.0 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 5.4.1+afl ocaml-variants.5.4.1+options ocaml-option-afl # To update the current shell environment, run: eval $(opam env) 2026-06-09 09:14.45 ---> saved as "4cd4ccbb6e578bdc54be8034d59237d84374d8bbb93d60501583dd88c317acd6" /src: (copy (src .) (dst /src)) 2026-06-09 09:14.46 ---> saved as "7ad0e681f2d875157a7e65bd96d0bc487b77f976c7eaf5c720267370737a85db" /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 `563CYXU4'. [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 0.061s. 11 tests run. 2026-06-09 09:15.51 ---> saved as "bc543026fe5c6ff3dcd7a1e2917b0d77195a89ce42261bb96950c90efe6396fb" Job succeeded 2026-06-09 09:15.51: Job succeeded