2026-06-06 07:12.12: New job: test ocaml-multicore/eio https://github.com/ocaml-multicore/eio.git#refs/pull/850/head (fea7ecbc7698e4343680936ddc7b10804533d347) (linux-x86_64:debian-13-5.5~beta1_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dceOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/eio.git" && cd "eio" && git fetch origin "refs/pull/850/head" && git reset --hard fea7ecbccat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce# debian-13-5.5~beta1_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e c98b21e24c088665ccae4c3b53eadadd3b755b15 || git fetch origin master) && git reset -q --hard c98b21e24c088665ccae4c3b53eadadd3b755b15 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN 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.2.1.1 compiler-cloning.enabled 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.5.5.0 ocaml-base-compiler.5.5.0~beta1 ocaml-compiler.5.5.0~beta1 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-06 07:12.12: Using cache hint "ocaml-multicore/eio-ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce-debian-13-5.5~beta1_opam-2.5-561c66053f781ae09a9cfc83447d7f0e"2026-06-06 07:12.12: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce)(comment debian-13-5.5~beta1_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 compiler-cloning.enabled 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.5.5.0 ocaml-base-compiler.5.5.0~beta1 ocaml-compiler.5.5.0~beta1 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")))2026-06-06 07:12.12: Waiting for resource in pool OCluster2026-06-06 07:12.12: Waiting for worker…2026-06-06 11:56.36: Got resource from pool OClusterBuilding on clete.caelum.ci.devAll commits already cachedHEAD is now at fea7ecb add ftruncate/fdatasync and use uring for fsync(from ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce)2026-06-06 11:56.37 ---> using "3d97f6ff96367e808dec3416eacdff2a479f7a6475ae069af10d3bd1d46549ad" from cache/: (comment debian-13-5.5~beta1_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"))2026-06-06 11:56.37 ---> saved as "553ba480deed223375af3cd9a662bfd2f58bb701c59f756410c05d2b2f59b26d"/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_HEADfc08333d1b..c98b21e24c master -> origin/masterc98b21e24c Merge pull request #29993 from shonfeder/conditional-mdx-tests2026-06-06 11:56.47 ---> saved as "929c808198f26358409ba82076c9b0029f972e11ff1318532be9c9faf93da240"/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] yThis 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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "beta": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocaml/ocaml-beta-repository/': Could not resolve host: github.com"[default] synchronised from git+file:///home/opam/opam-repository2026-06-06 11:57.10 ---> saved as "6c50108891f2ce9a283cca35ec81ae93ade05754d7f2cbcfab474cab8e76f1c7"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 5.5.0~beta12.5.12026-06-06 11:57.12 ---> saved as "624b3f840fd4edee970e62a6c40282fe959312a2afd4afe66ac7f53e775f888e"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-06 11:57.13 ---> saved as "51b24b63e15ddd9bc6f7b451a381b1febaa1c69a52137c39ae75256a68f6011d"/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[beta] no changes from git+https://github.com/ocaml/ocaml-beta-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-06-06 11:57.28 ---> saved as "11c1972ed645ec8f1d9df848bd4941ed956b3e5abe2ac6edb5dc64b96fc1c3d5"/src: (copy (src eio_windows.opam eio_posix.opam eio_main.opam eio_linux.opam eio.opam)(dst ./))2026-06-06 11:57.28 ---> saved as "50741b39ca90ccba8ccf4bb5c92d96cddd09de01284c365fc123c2171d2ac1a1"/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)2026-06-06 11:57.40 ---> saved as "3cb29c6494e583bea3daf7933581fc146625e3e38ff0e310bbb5e0fc52465d15"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-06 11:57.41 ---> saved as "23bd8b5ce7cc97bc6203f133163a91662368d0c34a4d2d9c5a2c91d5b025d0fc"/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 compiler-cloning.enabled 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.5.5.0 ocaml-base-compiler.5.5.0~beta1 ocaml-compiler.5.5.0~beta1 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 8s (1230 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-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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)2026-06-06 11:58.06 ---> saved as "c22a8ddd9feea55c9105ad19a08fe6aae623dfffc031fee7e7e8730484a9da9c"/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-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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 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.2.1.1 (cached)-> retrieved crowbar.0.2.2 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved domain-local-await.1.0.1 (cached)-> retrieved domain-local-timeout.1.0.1 (cached)-> retrieved dscheck.0.5.0 (cached)-> retrieved containers.3.18 (cached)-> retrieved cstruct.6.2.0 (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 lintcstubs-arity.0.5.2 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved lwt-dllist.1.1.0 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved multicore-magic.2.3.2 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved mdx.2.5.2 (cached)-> 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 oseq.0.5.1 (cached)-> retrieved psq.0.2.1 (cached)-> retrieved result.1.5 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved re.1.14.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved thread-table.1.0.0 (cached)-> retrieved tsort.2.2.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved 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 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 lwt-dllist.1.1.0-> installed csexp.1.5.2-> installed backoff.0.1.1-> installed camlp-streams.5.0.1-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed either.1.0.0-> 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 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 uring.2.14.0-> installed dscheck.0.5.0Done.<><> afl-persistent.1.4 installed successfully ><><><><><><><><><><><><><><><><>=> afl-persistent is installed, but since the current OCaml compiler doesnot enable AFL instrumentation by default, most packages will not beinstrumented and fuzzing with afl-fuzz may not be effective.To globally enable AFL instrumentation, create an OCaml switch like:opam switch create 5.5.0+afl ocaml-variants.5.5.0+options ocaml-option-afl# To update the current shell environment, run: eval $(opam env)2026-06-06 11:59.33 ---> saved as "b59d8d76c8398ef0cdcd18b0bfabae42eb0d4cd51b1ed9ee2cb43f6405bab39d"/src: (copy (src .) (dst /src))2026-06-06 11:59.35 ---> saved as "4116dbe991b22b996806bda06775a131afdc1ce84d7c6cd4dce5200f4eed2434"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/5.5~beta1/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I lib_eio_linux/.eio_linux.objs/byte -I /home/opam/.opam/5.5~beta1/lib/bigstringaf -I /home/opam/.opam/5.5~beta1/lib/cstruct -I /home/opam/.opam/5.5~beta1/lib/domain-local-await -I /home/opam/.opam/5.5~beta1/lib/fmt -I /home/opam/.opam/5.5~beta1/lib/hmap -I /home/opam/.opam/5.5~beta1/lib/lwt-dllist -I /home/opam/.opam/5.5~beta1/lib/mtime -I /home/opam/.opam/5.5~beta1/lib/mtime/clock -I /home/opam/.opam/5.5~beta1/lib/ocaml/runtime_events -I /home/opam/.opam/5.5~beta1/lib/ocaml/threads -I /home/opam/.opam/5.5~beta1/lib/ocaml/unix -I /home/opam/.opam/5.5~beta1/lib/optint -I /home/opam/.opam/5.5~beta1/lib/psq -I /home/opam/.opam/5.5~beta1/lib/seq -I /home/opam/.opam/5.5~beta1/lib/thread-table -I /home/opam/.opam/5.5~beta1/lib/uring -I lib_eio/.eio.objs/byte -I lib_eio/core/.eio__core.objs/byte -I lib_eio/runtime_events/.eio_runtime_events.objs/byte -I lib_eio/unix/.eio_unix.objs/byte -I lib_eio/utils/.eio_utils.objs/byte -no-alias-deps -opaque -open Eio_linux__ -o lib_eio_linux/.eio_linux.objs/byte/eio_linux__Low_level.cmi -c -intf lib_eio_linux/low_level.mli)File "lib_eio_linux/low_level.mli", line 210, characters 22-43:210 | val fallocate : ?mode:Uring.Fallocate_flags.t -> fd -> off:Optint.Int63.t -> len:Optint.Int63.t -> unit^^^^^^^^^^^^^^^^^^^^^Error: Unbound module Uring.Fallocate_flags(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"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-06-06 12:00.00: Job failed: Failed: Build failed