2026-06-09 10:09.17: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/851/head (a1f7b6848795abf641d8b1843bb7a1e56f869a03) (linux-x86_64:alpine-3.23-5.4_opam-2.5) Base: ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/851/head" && git reset --hard a1f7b684 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073 # alpine-3.23-5.4_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 10:09.17: Using cache hint "ocaml-multicore/eio-ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073-alpine-3.23-5.4_opam-2.5-12c456a1f67161cdda644e9d789b7618" 2026-06-09 10:09.17: Using OBuilder spec: ((from ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073) (comment alpine-3.23-5.4_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 10:09.17: Waiting for resource in pool OCluster 2026-06-09 10:09.17: Waiting for worker… 2026-06-09 10:09.17: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at a1f7b68 eio_linux: remove unused code (from ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073) Unable to find image 'ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073' locally docker.io/ocaml/opam@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073: Pulling from ocaml/opam 6a0ac1617861: Pulling fs layer c7f7861ee488: Pulling fs layer 242907bdbe26: Pulling fs layer 3352270e10b0: Pulling fs layer 47c18f475101: Pulling fs layer 9e65bd6c7317: Pulling fs layer 2801e5e13c88: Pulling fs layer c7f7861ee488: Waiting 242907bdbe26: Waiting 018ccadd5bf7: Pulling fs layer 3352270e10b0: Waiting 47c18f475101: Waiting 2e273f2aabdd: Pulling fs layer 6a0ac1617861: Waiting e348a3504fd1: Pulling fs layer 2801e5e13c88: Waiting 37f6ed8f41db: Pulling fs layer 018ccadd5bf7: Waiting 2e273f2aabdd: Waiting e348a3504fd1: Waiting 9e65bd6c7317: Waiting e4dee05632b5: Pulling fs layer 37f6ed8f41db: Waiting cc7d1e48a817: Pulling fs layer e4dee05632b5: Waiting 2afc109d933b: Pulling fs layer cc7d1e48a817: Waiting c8b994fd4978: Pulling fs layer 2afc109d933b: Waiting 94d6ee139c18: Pulling fs layer 33b9b3d1317d: Pulling fs layer 4f4fb700ef54: Pulling fs layer 94d6ee139c18: Waiting c8b994fd4978: Waiting 48061712d8ec: Pulling fs layer 33b9b3d1317d: Waiting 4f4fb700ef54: Waiting 9379b5d8c279: Pulling fs layer da5d751f6c1f: Pulling fs layer 48061712d8ec: Waiting 9379b5d8c279: Waiting ded3ed35f70f: Pulling fs layer 9d95cd3602ab: Pulling fs layer da5d751f6c1f: Waiting ded3ed35f70f: Waiting e5ec97e88805: Pulling fs layer 8fa9502c7636: Pulling fs layer 9d95cd3602ab: Waiting d2ada6e134f3: Pulling fs layer de9c4f786308: Pulling fs layer e5ec97e88805: Waiting 74907ca98ac8: Pulling fs layer de9c4f786308: Waiting 8fa9502c7636: Waiting d2ada6e134f3: Waiting d97c011a0188: Pulling fs layer 74907ca98ac8: Waiting 5e3139447bb2: Pulling fs layer 0abf1764e2f7: Pulling fs layer cabb3cb070af: Pulling fs layer 8567d9bd2ef5: Pulling fs layer cabb3cb070af: Waiting d97c011a0188: Waiting 6355f795b23f: Pulling fs layer 5e3139447bb2: Waiting d56470579452: Pulling fs layer 8567d9bd2ef5: Waiting 5e09940486c0: Pulling fs layer 6355f795b23f: Waiting ae8384086020: Pulling fs layer cc2f366e8a07: Pulling fs layer d56470579452: Waiting 2af9d1b6335e: Pulling fs layer ae8384086020: Waiting cc2f366e8a07: Waiting 1d1fc9714fad: Pulling fs layer 5e09940486c0: Waiting decaee6a135e: Pulling fs layer 2af9d1b6335e: Waiting 1d1fc9714fad: Waiting b8eb03c2bd2b: Pulling fs layer decaee6a135e: Waiting b8eb03c2bd2b: Waiting 6a0ac1617861: Verifying Checksum 6a0ac1617861: Download complete c7f7861ee488: Download complete 6a0ac1617861: Pull complete c7f7861ee488: Pull complete 242907bdbe26: Verifying Checksum 242907bdbe26: Download complete 242907bdbe26: Pull complete 47c18f475101: Verifying Checksum 47c18f475101: Download complete 9e65bd6c7317: Verifying Checksum 9e65bd6c7317: Download complete 2801e5e13c88: Verifying Checksum 2801e5e13c88: Download complete 018ccadd5bf7: Verifying Checksum 018ccadd5bf7: Download complete 2e273f2aabdd: Verifying Checksum 2e273f2aabdd: Download complete e348a3504fd1: Verifying Checksum e348a3504fd1: Download complete 37f6ed8f41db: Verifying Checksum 37f6ed8f41db: Download complete e4dee05632b5: Verifying Checksum e4dee05632b5: Download complete cc7d1e48a817: Download complete 2afc109d933b: Verifying Checksum 2afc109d933b: Download complete 3352270e10b0: Verifying Checksum 3352270e10b0: Download complete 94d6ee139c18: Download complete 33b9b3d1317d: Verifying Checksum 33b9b3d1317d: Download complete 4f4fb700ef54: Verifying 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Verifying Checksum cc2f366e8a07: Download complete 8567d9bd2ef5: Verifying Checksum 8567d9bd2ef5: Download complete 1d1fc9714fad: Download complete decaee6a135e: Verifying Checksum decaee6a135e: Download complete b8eb03c2bd2b: Verifying Checksum b8eb03c2bd2b: Download complete 3352270e10b0: Pull complete 47c18f475101: Pull complete 9e65bd6c7317: Pull complete 2801e5e13c88: Pull complete 018ccadd5bf7: Pull complete 2e273f2aabdd: Pull complete e348a3504fd1: Pull complete 37f6ed8f41db: Pull complete e4dee05632b5: Pull complete cc7d1e48a817: Pull complete 2afc109d933b: Pull complete c8b994fd4978: Pull complete 94d6ee139c18: Pull complete 33b9b3d1317d: Pull complete 4f4fb700ef54: Pull complete 48061712d8ec: Pull complete 9379b5d8c279: Pull complete da5d751f6c1f: Pull complete ded3ed35f70f: Pull complete 9d95cd3602ab: Pull complete e5ec97e88805: Pull complete 8fa9502c7636: Pull complete d2ada6e134f3: Pull complete de9c4f786308: Pull complete 74907ca98ac8: Pull complete d97c011a0188: Pull complete 5e3139447bb2: Pull complete 0abf1764e2f7: Download complete 2af9d1b6335e: Verifying Checksum 2af9d1b6335e: Download complete 0abf1764e2f7: Pull complete cabb3cb070af: Pull complete 8567d9bd2ef5: Pull complete 6355f795b23f: Pull complete d56470579452: Pull complete 5e09940486c0: Pull complete ae8384086020: Pull complete cc2f366e8a07: Pull complete 2af9d1b6335e: Pull complete 1d1fc9714fad: Pull complete decaee6a135e: Pull complete b8eb03c2bd2b: Pull complete Digest: sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073 Status: Downloaded newer image for ocaml/opam@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073 2026-06-09 10:09.19 ---> using "81271f136a5c405ab344f21038f3fe129030b1e91d3407a93a063db52e4a8f3d" from cache /: (comment alpine-3.23-5.4_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 10:09.19 ---> using "6176ab3c1596fbc0dee7463fd2836ffd2f58884dcc6e1ac71012c114e0dba47c" 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 10:09.19 ---> using "4b08a21b8c7cecfe27865a58a80804fa71901f441b5940b247bdf77d50e7c518" 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 2.1 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 Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-09 10:09.19 ---> using "22db34f495c370ec617e24c2950d5eb01c8ef646c1cee736f18a7a4b63c0e774" from cache /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 10:09.19 ---> using "47688796c307570da3910406b50e538ab8e74fc7d8aee98349128795ceff5ed7" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-09 10:09.19 ---> using "ddf33b0a3c29ed7c5f2e415b76e6e02b7d47964668a1ad0dd90aa8c52206c25b" from cache /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 10:09.19 ---> using "72d4067c3d6b07e079aca8f75e4c6380ababa596e5277e763c724d8d2032ad84" from cache /src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam) (dst ./)) 2026-06-09 10:09.19 ---> using "55a2f34def801123e2f96028a6657a8f638d7ef7143e066e165368d32503ef0d" from cache /src: (run (network host) (shell "opam pin add -yn eio_windows.dev './' && \ \nopam pin add -yn eio_posix.dev './' && \ \nopam pin add -yn eio_main.dev './' && \ \nopam pin add -yn eio_linux.dev './' && \ \nopam pin add -yn eio.dev './'")) [eio_windows.dev] synchronised (file:///src) eio_windows is now pinned to file:///src (version dev) [eio_posix.dev] synchronised (file:///src) eio_posix is now pinned to file:///src (version dev) [eio_main.dev] synchronised (file:///src) eio_main is now pinned to file:///src (version dev) [eio_linux.dev] synchronised (file:///src) eio_linux is now pinned to file:///src (version dev) [eio.dev] synchronised (file:///src) eio is now pinned to file:///src (version dev) 2026-06-09 10:09.19 ---> using "f9f9bb1a90c5801632731982f8683c2bfb26feaf26fa71c983e15a348ef3ca1b" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-09 10:09.19 ---> using "2b76e59f4d581ce57f7100975f8b033e12ae1be97b555d28154d336ee9ecabcd" 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.2.1.1 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 "apk" "update" - v3.23.4-349-g79615670652 [https://dl-cdn.alpinelinux.org/alpine/v3.23/main] - v3.23.4-348-g596dad2b612 [https://dl-cdn.alpinelinux.org/alpine/v3.23/community] - v3.24.0_rc2-9-gdbc39f884b4 [https://dl-cdn.alpinelinux.org/alpine/edge/main] - v3.24.0_rc2-12-g2d124aa5561 [https://dl-cdn.alpinelinux.org/alpine/edge/community] - v3.24.0_rc2-8-g61c3715bd8b [https://dl-cdn.alpinelinux.org/alpine/edge/testing] - OK: 62437 distinct packages available <><> 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). The following system packages will first need to be installed: linux-headers <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apk" "add" "linux-headers" - (1/1) Installing linux-headers (6.16.12-r0) - OK: 344.4 MiB in 104 packages # To update the current shell environment, run: eval $(opam env) 2026-06-09 10:09.19 ---> using "9ed15987c0b53e15f1d422fa55ac8c9ca2fc2c88e4f2c68e5dcffd9102635942" 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-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 containers.3.18 (https://opam.ocaml.org/cache) -> retrieved iomux.0.4 (cached) -> retrieved lintcstubs-arity.0.5.2 (https://opam.ocaml.org/cache) -> retrieved logs.0.10.0 (cached) -> retrieved kcas.0.7.0 (https://opam.ocaml.org/cache) -> 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 multicore-magic.2.3.2 (https://opam.ocaml.org/cache) -> retrieved ocaml-version.4.1.1 (cached) -> 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 dune.3.23.1, dune-configurator.3.23.1 (cached) -> retrieved uring.2.14.0 (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 mtime.2.1.0 -> installed fmt.0.11.0 -> installed uutf.1.0.4 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.23.1 -> installed afl-persistent.1.4 -> installed backoff.0.1.1 -> installed lwt-dllist.1.1.0 -> installed either.1.0.0 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed lintcstubs-arity.0.5.2 -> 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-timeout.1.0.1 -> installed domain-local-await.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 10:09.19 ---> using "99b8cdbf1f0fd8c21a9b5fb5250cb0f6d77fae3d41ac020a2304b96ad2415755" from cache /src: (copy (src .) (dst /src)) 2026-06-09 10:09.19 ---> saved as "3a2966d23f86e78dbdd599e11b6767931420d99f690c859a47c85d6de22e2614" /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 `F61HQCRU'. [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 0.006s. 11 tests run. 2026-06-09 10:09.32 ---> saved as "f532d8e4945cd325b8f673a3296bdd9e15d58bb54ad703957aa16a1ecee932eb" Job succeeded 2026-06-09 10:09.32: Job succeeded