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:debian-13-5.4_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.4@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc 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:debian-13-ocaml-5.4@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc # debian-13-5.4_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:debian-13-ocaml-5.4@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc-debian-13-5.4_opam-2.5-12c456a1f67161cdda644e9d789b7618" 2026-06-09 09:12.31: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc) (comment debian-13-5.4_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 09:12.41: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at bd0ad09 Merge pull request #849 from talex5/simplify-rw (from ocaml/opam:debian-13-ocaml-5.4@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc' locally docker.io/ocaml/opam@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc: Pulling from ocaml/opam 307f8152a55e: Pulling fs layer 53d481666795: Pulling fs layer 4ee22a5df705: Pulling fs layer ae88ba2e7c99: Pulling fs layer 466fcae906a3: Pulling fs layer 024abae8c1ed: Pulling fs layer d582ebdec32b: Pulling fs layer aa12715098f1: Pulling fs layer 62299cb9f759: Pulling fs layer 466fcae906a3: Waiting 024abae8c1ed: Waiting ae88ba2e7c99: Waiting a25072680c61: Pulling fs layer d582ebdec32b: Waiting 43b56dd9ccf7: Pulling fs layer aa12715098f1: Waiting 62299cb9f759: Waiting a25072680c61: Waiting 244d3fc9f983: Pulling fs layer c4fb47424a8f: Pulling fs layer 244d3fc9f983: Waiting 43b56dd9ccf7: Waiting cf6798d648a4: Pulling fs layer c4fb47424a8f: Waiting 279a991ac05e: Pulling fs layer cf66fc12d100: Pulling fs layer 279a991ac05e: Waiting cf66fc12d100: Waiting cf6798d648a4: Waiting d39d0e8ae83c: Pulling fs layer 4b54e9cd8568: Pulling fs layer d39d0e8ae83c: Waiting f65d25bce8ea: Pulling fs layer 4b54e9cd8568: Waiting 7d77baca5957: Pulling fs layer f65d25bce8ea: Waiting 4f4fb700ef54: Pulling fs layer a99a940ecfac: Pulling fs layer 4f4fb700ef54: Waiting f5264679c08b: Pulling fs layer a99a940ecfac: Waiting f2b70106109c: Pulling fs layer 7d77baca5957: Waiting f5264679c08b: Waiting b37088730bad: Pulling fs layer cbd33ffade5f: Pulling fs layer b37088730bad: Waiting f1cf9ab18ca0: Pulling fs layer cbd33ffade5f: Waiting 87f3d72372a4: Pulling fs layer f2b70106109c: Waiting f1cf9ab18ca0: Waiting 25d15f09ece2: Pulling fs layer 87f3d72372a4: Waiting 6304df60357e: Pulling fs layer 25d15f09ece2: Waiting 34a8ea3e9b48: Pulling fs layer a0636f21098e: Pulling fs layer 9511add15c87: Pulling fs layer 6304df60357e: Waiting a0636f21098e: Waiting 9511add15c87: Waiting 963ec00065e9: Pulling fs layer 3a098b8178a5: Pulling fs layer ca1c1d43252a: Pulling fs layer 963ec00065e9: Waiting 3a098b8178a5: Waiting ca50eb78767c: Pulling fs layer 85fc1e77225e: Pulling fs layer ca50eb78767c: Waiting 088f7de253ad: Pulling fs layer 85fc1e77225e: Waiting 938187a1d3ef: Pulling fs layer 088f7de253ad: Waiting ca1c1d43252a: Waiting 044c0ba9a0dd: Pulling fs layer 6bbf310b2b49: Pulling fs layer 938187a1d3ef: Waiting b44f087bbb3f: Pulling fs layer 6bbf310b2b49: Waiting 044c0ba9a0dd: Waiting 82bcf6933519: Pulling fs layer b44f087bbb3f: Waiting 07e9a942ad36: Pulling fs layer 82bcf6933519: Waiting 94e0fd4beda2: Pulling fs layer 07e9a942ad36: Waiting 4ee22a5df705: Verifying Checksum 4ee22a5df705: Download complete 53d481666795: Verifying Checksum 53d481666795: Download complete 466fcae906a3: Verifying Checksum 466fcae906a3: Download complete 307f8152a55e: Download complete ae88ba2e7c99: Verifying Checksum d582ebdec32b: Verifying Checksum d582ebdec32b: Download complete aa12715098f1: Verifying Checksum aa12715098f1: Download complete 62299cb9f759: Download complete a25072680c61: Verifying Checksum a25072680c61: Download complete 43b56dd9ccf7: Verifying Checksum c4fb47424a8f: Download complete 244d3fc9f983: Verifying Checksum 244d3fc9f983: Download complete cf6798d648a4: Verifying Checksum cf6798d648a4: Download complete 279a991ac05e: Verifying Checksum 279a991ac05e: Download complete cf66fc12d100: Download complete 024abae8c1ed: Verifying Checksum 024abae8c1ed: Download complete d39d0e8ae83c: Download complete 4b54e9cd8568: Verifying Checksum 4b54e9cd8568: Download complete f65d25bce8ea: Download complete 307f8152a55e: Pull complete 53d481666795: Pull complete 4ee22a5df705: Pull complete 7d77baca5957: Verifying Checksum 7d77baca5957: Download complete 4f4fb700ef54: Verifying Checksum 4f4fb700ef54: Download complete a99a940ecfac: Verifying Checksum a99a940ecfac: Download complete ae88ba2e7c99: Pull complete 466fcae906a3: Pull complete f5264679c08b: Download complete f2b70106109c: Verifying Checksum f2b70106109c: Download complete b37088730bad: Verifying Checksum b37088730bad: Download complete cbd33ffade5f: Verifying Checksum cbd33ffade5f: Download complete f1cf9ab18ca0: Download complete 87f3d72372a4: Verifying Checksum 87f3d72372a4: Download complete 25d15f09ece2: Download complete 6304df60357e: Verifying Checksum 6304df60357e: Download complete 34a8ea3e9b48: Verifying Checksum 34a8ea3e9b48: Download complete a0636f21098e: Verifying Checksum a0636f21098e: Download complete 9511add15c87: Verifying Checksum 9511add15c87: Download complete 3a098b8178a5: Verifying Checksum 3a098b8178a5: Download complete ca50eb78767c: Download complete 85fc1e77225e: Download complete 088f7de253ad: Verifying Checksum 088f7de253ad: Download complete 938187a1d3ef: Verifying Checksum 938187a1d3ef: Download complete 044c0ba9a0dd: Download complete 6bbf310b2b49: Verifying Checksum 6bbf310b2b49: Download complete ca1c1d43252a: Download complete 963ec00065e9: Verifying Checksum 963ec00065e9: Download complete 82bcf6933519: Verifying Checksum 82bcf6933519: Download complete 07e9a942ad36: Verifying Checksum 07e9a942ad36: Download complete b44f087bbb3f: Verifying Checksum b44f087bbb3f: Download complete 94e0fd4beda2: Verifying Checksum 94e0fd4beda2: Download complete 024abae8c1ed: Pull complete d582ebdec32b: Pull complete aa12715098f1: Pull complete 62299cb9f759: Pull complete a25072680c61: Pull complete 43b56dd9ccf7: Pull complete 244d3fc9f983: Pull complete c4fb47424a8f: Pull complete cf6798d648a4: Pull complete 279a991ac05e: Pull complete cf66fc12d100: Pull complete d39d0e8ae83c: Pull complete 4b54e9cd8568: Pull complete f65d25bce8ea: Pull complete 7d77baca5957: Pull complete 4f4fb700ef54: Pull complete a99a940ecfac: Pull complete f5264679c08b: Pull complete f2b70106109c: Pull complete b37088730bad: Pull complete cbd33ffade5f: Pull complete f1cf9ab18ca0: Pull complete 87f3d72372a4: Pull complete 25d15f09ece2: Pull complete 6304df60357e: Pull complete 34a8ea3e9b48: Pull complete a0636f21098e: Pull complete 9511add15c87: Pull complete 963ec00065e9: Pull complete 3a098b8178a5: Pull complete ca1c1d43252a: Pull complete ca50eb78767c: Pull complete 85fc1e77225e: Pull complete 088f7de253ad: Pull complete 938187a1d3ef: Pull complete 044c0ba9a0dd: Pull complete 6bbf310b2b49: Pull complete b44f087bbb3f: Pull complete 82bcf6933519: Pull complete 07e9a942ad36: Pull complete 94e0fd4beda2: Pull complete Digest: sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc Status: Downloaded newer image for ocaml/opam@sha256:f9700a48fc9ceee25e58aabe0b5d3c4d88bf2427ddb44e9208e4f5acbfe4dfdc 2026-06-09 09:12.46 ---> using "ac1995f8abd260285fd7f15d3dfa37a0c18d5abe2573e173c9117b295287210f" from cache /: (comment debian-13-5.4_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 09:12.46 ---> using "1d07a1e208f97a29f93c4d2a712495a1d7de424f2c667015b9e10e5d9678c419" 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 fc08333d1b..b860455781 master -> origin/master c98b21e24c Merge pull request #29993 from shonfeder/conditional-mdx-tests 2026-06-09 09:12.53 ---> saved as "ed5fec1826c5e95f5672ae4699730514150e533845e8a850a591d0e7725ae4b1" /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. Continue? [Y/n] y 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. [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 09:13.06 ---> saved as "1e8dad53bc9a030601db176a55da71cabdddb7f418a088a9eee3295942e68505" /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 09:13.06 ---> saved as "9b0f700cd85252ad7727738f89391d7f7272456c2bd2f1e90abef11cff533f7d" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-09 09:13.06 ---> saved as "2413139324649e070dfd18138dc6dc1d54ae695752b9d196a2512ac9e2f06b62" /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 09:13.14 ---> saved as "b3bb29406f0f921f305b4333c9b88da89074610cf1a3977f214923af9d196156" /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-06-09 09:13.15 ---> saved as "6440964ef8f979ad33c93cd4dca7a69e7ffd3fb8dc0ed0f8ef91402d05bf8a09" /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 09:13.23 ---> saved as "c5755b692ddda049a8b71a5d347126a21dcc6e055fbd0bb56fedb16e471a6940" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-09 09:13.23 ---> saved as "844957430728c77584650981f7d76ae3db74375ba4cfa074c3d13bbfe864af67" /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://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 amd64 Packages [9671 kB] - Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [207 kB] - Fetched 10.1 MB in 2s (6550 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 09:13.35 ---> saved as "61335a1aeb1c2ab2b76ed6fc7f8232d44e251bdf9e49a2ef7de012615a12bf35" /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 containers.3.18 (https://opam.ocaml.org/cache) -> retrieved either.1.0.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved iomux.0.4 (cached) -> retrieved lintcstubs-arity.0.5.2 (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 mtime.2.1.0 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.1.1 (cached) -> retrieved multicore-magic.2.3.2 (https://opam.ocaml.org/cache) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> 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 yojson.3.0.0 (cached) -> retrieved uring.2.14.0 (cached) -> retrieved dune.3.23.1, dune-configurator.3.23.1 (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 mtime.2.1.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.23.1 -> installed afl-persistent.1.4 -> installed csexp.1.5.2 -> installed backoff.0.1.1 -> installed camlp-streams.5.0.1 -> installed cstruct.6.2.0 -> installed cppo.1.8.0 -> installed either.1.0.0 -> installed lintcstubs-arity.0.5.2 -> installed lwt-dllist.1.1.0 -> 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 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 yojson.3.0.0 -> installed crowbar.0.2.2 -> installed domain-local-await.1.0.1 -> installed domain-local-timeout.1.0.1 -> installed dune-configurator.3.23.1 -> installed kcas.0.7.0 -> 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 09:15.48 ---> saved as "9407f160b17ce9f2f08a208c729d931e9fe5bce1aac043ff3f7f575868fa0900" /src: (copy (src .) (dst /src)) 2026-06-09 09:15.49 ---> saved as "2f6df096763766d58592fac11abaafdb40e977046fc973b84d42a80dcaa11e27" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (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/fuzz && ./fuzz_inherit_fds.exe) inherit_fds: PASS (cd _build/default/lib_eio_linux/tests && ./test.exe) Testing `eio_linux'. This run has ID `GMYY4TAX'. [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 0.019s. 11 tests run. 2026-06-09 09:16.03 ---> saved as "f733d254547eaa0f5ebb1bf2e6db50c418e64c5d50fa49adcd76acf52dc2b79d" Job succeeded 2026-06-09 09:16.03: Job succeeded