2026-01-07 15:24.50: New job: test dra27/ocaml-uring https://github.com/dra27/ocaml-uring.git#refs/heads/less-user-magic (e3ff4750a6c7fba31781d969d375321c78bbe77b) (linux-x86_64:fedora-42-4.14_opam-2.4)Base: ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119fOpam project buildTo reproduce locally:git clone --recursive "https://github.com/dra27/ocaml-uring.git" -b "less-user-magic" && cd "ocaml-uring" && git reset --hard e3ff4750cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f# fedora-42-4.14_opam-2.4USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 2dee2fe30df966714e056f8af164fe0ed7648a63 || git fetch origin master) && git reset -q --hard 2dee2fe30df966714e056f8af164fe0ed7648a63 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 uring.opam ./RUN opam pin add -yn uring.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.5.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.20.2 dune-configurator.3.20.2 fmt.0.11.0 logs.0.10.0 lwt.5.9.2 mdx.2.5.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 re.1.14.0 result.1.5 topkg.1.1.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.4 --depext-only -y uring.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-07 15:24.50: Using cache hint "dra27/ocaml-uring-ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f-fedora-42-4.14_opam-2.4-db155cc182a49aa51aab8514cf88cbd2"2026-01-07 15:24.50: Using OBuilder spec:((from ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f)(comment fedora-42-4.14_opam-2.4)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (network host)(shell "sudo dnf install -y findutils"))(run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2dee2fe30df966714e056f8af164fe0ed7648a63 || git fetch origin master) && git reset -q --hard 2dee2fe30df966714e056f8af164fe0ed7648a63 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src uring.opam) (dst ./))(run (network host)(shell "opam pin add -yn uring.dev './'"))(run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.5.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.20.2 dune-configurator.3.20.2 fmt.0.11.0 logs.0.10.0 lwt.5.9.2 mdx.2.5.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 re.1.14.0 result.1.5 topkg.1.1.1")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y uring.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")))2026-01-07 15:24.50: Waiting for resource in pool OCluster2026-01-07 20:12.57: Waiting for worker…2026-01-07 20:15.22: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at e3ff475 Move Unix-based processing properly into C(from ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f)Unable to find image 'ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f' locallydocker.io/ocaml/opam@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f: Pulling from ocaml/opam166acd75d0b1: Already exists3f5403f6a2f2: Already exists67aec952ce79: Already exists0bb48c2941bc: Already exists4c00ee60bee0: Already exists0405ae6db764: Already exists75f105568f25: Already exists89a1a8bb55db: Already exists4dbdc277b5cc: Already existsb9ac9b5d0d58: Already existsed3c58c8dfb3: Already existsa7f2118798c2: Already exists6cf8123db17c: Already exists5ac472da51a5: Already exists3922aa403f38: Already exists98656b983bdb: Already exists929c1c6503b7: Already exists930e6f5c8d1d: Already existsea061ab209c7: Already existsb6a2cb7f5c47: Already existsc69cf0663843: Already exists4f4fb700ef54: Already exists067fb1fc80b8: Already exists7ea6a305f43c: Already existse0c82749fa91: Already existsf5f2f52bbfe6: Already exists7f3917cda1bd: Already exists12e8a6ba30d9: Already exists52881c97bb6a: Already existse4dd3ced19f6: Already exists85b85699624b: Already exists5ec3770e6174: Already exists0140052d9f0a: Already exists97821c341b06: Already exists6b0f44402a83: Pulling fs layer637838f6bf32: Pulling fs layer2c4c5f425aca: Pulling fs layer10de3752fc9c: Pulling fs layercc67aefe0e92: Pulling fs layerc0ce6ac204a8: Pulling fs layerb9ec1cd9680e: Pulling fs layer9c82a29817da: Pulling fs layerf63f3e885f02: Pulling fs layer10de3752fc9c: Waitingb3e15bf893a9: Pulling fs layercc67aefe0e92: Waitingc0ce6ac204a8: Waitingb9ec1cd9680e: Waiting9c82a29817da: Waitingf63f3e885f02: Waitingb3e15bf893a9: Waiting637838f6bf32: Verifying Checksum637838f6bf32: Download complete10de3752fc9c: Verifying Checksum10de3752fc9c: Download completecc67aefe0e92: Verifying Checksumcc67aefe0e92: Download completec0ce6ac204a8: Download complete6b0f44402a83: Verifying Checksum6b0f44402a83: Download completeb9ec1cd9680e: Verifying Checksumb9ec1cd9680e: Download complete2c4c5f425aca: Verifying Checksum2c4c5f425aca: Download complete9c82a29817da: Verifying Checksum9c82a29817da: Download completef63f3e885f02: Download completeb3e15bf893a9: Verifying Checksumb3e15bf893a9: Download complete6b0f44402a83: Pull complete637838f6bf32: Pull complete2c4c5f425aca: Pull complete10de3752fc9c: Pull completecc67aefe0e92: Pull completec0ce6ac204a8: Pull completeb9ec1cd9680e: Pull complete9c82a29817da: Pull completef63f3e885f02: Pull completeb3e15bf893a9: Pull completeDigest: sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119fStatus: Downloaded newer image for ocaml/opam@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f2026-01-07 20:15.22 ---> using "1eb580d080c4cbeff2dbdaad43c94e06bc6be7074e19a8b1e973341633b4209d" from cache/: (comment fedora-42-4.14_opam-2.4)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (network host)(shell "sudo dnf install -y findutils"))Updating and loading repositories:Fedora 42 - x86_64 100% | 39.7 KiB/s | 22.6 KiB | 00m01sFedora 42 openh264 (From Cisco) - x86_ 100% | 2.7 KiB/s | 986.0 B | 00m00sFedora 42 - x86_64 - Updates 100% | 85.6 KiB/s | 21.1 KiB | 00m00sRepositories loaded.Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed.Nothing to do.2026-01-07 20:15.22 ---> using "82ab58db20dc9e958dec9f6794b440126252beddff83bbf0fc74d5321c05f1fc" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))2026-01-07 20:15.22 ---> using "271ab3b82d2f00c26efc6e7b9ca766a6558391257736a7b1259f3b81055ba4ea" 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.Continue? [Y/n] yThis version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Format upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-01-07 20:15.22 ---> using "81778c5788a1ddad22c83d0d5fb29c7baa9d18975a12217403fdaa33b123eb1c" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-87-genericThe OCaml toplevel, version 4.14.22.4.12026-01-07 20:15.22 ---> using "62209541c313a8175e1a28c6e2917946f084e7636c958cc6b463993cf20c0069" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-07 20:15.22 ---> using "0ee4772becfc628cfc8e275de73c14ff59552c939536127a96785036c603e588" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2dee2fe30df966714e056f8af164fe0ed7648a63 || git fetch origin master) && git reset -q --hard 2dee2fe30df966714e056f8af164fe0ed7648a63 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD235b964523..2dee2fe30d master -> origin/master2dee2fe30d Merge pull request #29195 from raphael-proust/lwt-fix-ocamlfind-dep-constraint<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-01-07 20:15.22 ---> using "1c82b3250eb76a6f2f98927dbc0d1aaa4e9588f14e4cfe98e33519cbec5559ad" from cache/src: (copy (src uring.opam) (dst ./))2026-01-07 20:15.22 ---> using "25a27d9cd2c4c719a190bdfdae2a546c3f4ffd176cba1d3f42acddd99fd17bdc" from cache/src: (run (network host)(shell "opam pin add -yn uring.dev './'"))[uring.dev] synchronised (file:///src)uring is now pinned to file:///src (version dev)2026-01-07 20:15.22 ---> using "799c0f64bf90755aec520a3d4fe7aaab18aac5ce4f854a23b9492f50672e83ed" from cache/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-07 20:15.22 ---> using "5650bd9dbfb7d440e032417f8b119139cc7e89b110aa6c6bf313d09638c52902" from cache/src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.5.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.20.2 dune-configurator.3.20.2 fmt.0.11.0 logs.0.10.0 lwt.5.9.2 mdx.2.5.1 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.4.0.3 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 re.1.14.0 result.1.5 topkg.1.1.1")/src: (env CI true)/src: (env OCAMLCI true)/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update --depexts && opam install --cli=2.4 --depext-only -y uring.dev $DEPS"))+ /usr/sbin/sudo "yum" "makecache"- Updating and loading repositories:- Repositories loaded.- Metadata cache created.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[uring.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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[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-bigarray is already installed (current version is base).2026-01-07 20:15.22 ---> using "11e40ce5e79ccfe7008f6f2f0fd65216f7f03797a3d228ab062cee3f4f81ba61" 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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[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-bigarray is already installed (current version is base).The following actions will be performed:=== install 22 packages- install astring 0.8.5- install base-bytes base- install bechamel 0.5.0- install camlp-streams 5.0.1- install cmdliner 2.1.0- install cppo 1.8.0- install csexp 1.5.2- install cstruct 6.2.0- install dune 3.20.2- install dune-configurator 3.20.2- install fmt 0.11.0- install logs 0.10.0- install lwt 5.9.2- install mdx 2.5.1- install ocaml-version 4.0.3- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install optint 0.3.0- install re 1.14.0- install result 1.5- install topkg 1.1.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved astring.0.8.5 (cached)-> retrieved bechamel.0.5.0 (cached)-> retrieved camlp-streams.5.0.1 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved lwt.5.9.2 (cached)-> retrieved mdx.2.5.1 (cached)-> retrieved ocaml-version.4.0.3 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved optint.0.3.0 (cached)-> retrieved re.1.14.0 (cached)-> retrieved result.1.5 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.20.2, dune-configurator.3.20.2 (cached)-> installed cmdliner.2.1.0-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed topkg.1.1.1-> installed fmt.0.11.0-> installed astring.0.8.5-> installed dune.3.20.2-> installed csexp.1.5.2-> installed bechamel.0.5.0-> installed camlp-streams.5.0.1-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed ocaml-version.4.0.3-> installed optint.0.3.0-> installed re.1.14.0-> installed result.1.5-> installed ocplib-endian.1.2-> installed dune-configurator.3.20.2-> installed lwt.5.9.2-> installed logs.0.10.0-> installed mdx.2.5.1Done.# To update the current shell environment, run: eval $(opam env)2026-01-07 20:15.22 ---> using "899f1e678a85ff7cd773f4bb861e24f3c989944c570bafb29a26e333681b5691" from cache/src: (copy (src .) (dst /src))2026-01-07 20:15.23 ---> saved as "b20c9e063f58896fd2cd26702a86642fda77e0fd6ce5299a77cb0ae84dc931ed"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/vendor/liburing && ./configure)prefix /usrincludedir /usr/includelibdir /usr/liblibdevdir /usr/librelativelibdirmandir /usr/mandatadir /usr/sharelibgcc_link_flag /usr/lib/gcc/x86_64-redhat-linux/15/libgcc.astringop_overflow yesarray_bounds yes__kernel_rwf_t yes__kernel_timespec yesopen_how yesstatx yesglibc_statx yesC++ yeshas_ucontext yesNVMe uring command support yesfutex waitv support yeshas_idtype_t yesnolibc yeshas_fanotify yesCC gccCXX g++(cd _build/default/vendor/liburing && /usr/sbin/make -j -C src)make: Entering directory '/src/_build/default/vendor/liburing/src'CC setup.olCC queue.olCC register.olCC syscall.olCC version.olCC nolibc.olCC setup.osCC ffi.olCC queue.osCC syscall.osCC register.osCC ffi.osCC nolibc.osCC version.osAR liburing.aCC liburing.so.2.7RANLIB liburing.aAR liburing-ffi.aCC liburing-ffi.so.2.7RANLIB liburing-ffi.amake: Leaving directory '/src/_build/default/vendor/liburing/src'ar: creating liburing.aar: creating liburing-ffi.a(cd _build/default/tests && ./poll_add.exe)submitted 1poll_add: 12026-01-07 20:15.28 ---> saved as "2d51db3bc824cb330f71c4906db7237b5bc1f1b5146dfc9e579df98f042d2925"Job succeeded2026-01-07 20:15.28: Job succeeded