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@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f Opam project build To reproduce locally: git clone --recursive "https://github.com/dra27/ocaml-uring.git" -b "less-user-magic" && cd "ocaml-uring" && git reset --hard e3ff4750 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:fedora-42-ocaml-4.14@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f # fedora-42-4.14_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo dnf install -y findutils RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN 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 --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 $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 2026-01-07 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 OCluster 2026-01-07 20:12.57: Waiting for worker… 2026-01-07 20:15.22: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD 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' locally docker.io/ocaml/opam@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f: Pulling from ocaml/opam 166acd75d0b1: Already exists 3f5403f6a2f2: Already exists 67aec952ce79: Already exists 0bb48c2941bc: Already exists 4c00ee60bee0: Already exists 0405ae6db764: Already exists 75f105568f25: Already exists 89a1a8bb55db: Already exists 4dbdc277b5cc: Already exists b9ac9b5d0d58: Already exists ed3c58c8dfb3: Already exists a7f2118798c2: Already exists 6cf8123db17c: Already exists 5ac472da51a5: Already exists 3922aa403f38: Already exists 98656b983bdb: Already exists 929c1c6503b7: Already exists 930e6f5c8d1d: Already exists ea061ab209c7: Already exists b6a2cb7f5c47: Already exists c69cf0663843: Already exists 4f4fb700ef54: Already exists 067fb1fc80b8: Already exists 7ea6a305f43c: Already exists e0c82749fa91: Already exists f5f2f52bbfe6: Already exists 7f3917cda1bd: Already exists 12e8a6ba30d9: Already exists 52881c97bb6a: Already exists e4dd3ced19f6: Already exists 85b85699624b: Already exists 5ec3770e6174: Already exists 0140052d9f0a: Already exists 97821c341b06: Already exists 6b0f44402a83: Pulling fs layer 637838f6bf32: Pulling fs layer 2c4c5f425aca: Pulling fs layer 10de3752fc9c: Pulling fs layer cc67aefe0e92: Pulling fs layer c0ce6ac204a8: Pulling fs layer b9ec1cd9680e: Pulling fs layer 9c82a29817da: Pulling fs layer f63f3e885f02: Pulling fs layer 10de3752fc9c: Waiting b3e15bf893a9: Pulling fs layer cc67aefe0e92: Waiting c0ce6ac204a8: Waiting b9ec1cd9680e: Waiting 9c82a29817da: Waiting f63f3e885f02: Waiting b3e15bf893a9: Waiting 637838f6bf32: Verifying Checksum 637838f6bf32: Download complete 10de3752fc9c: Verifying Checksum 10de3752fc9c: Download complete cc67aefe0e92: Verifying Checksum cc67aefe0e92: Download complete c0ce6ac204a8: Download complete 6b0f44402a83: Verifying Checksum 6b0f44402a83: Download complete b9ec1cd9680e: Verifying Checksum b9ec1cd9680e: Download complete 2c4c5f425aca: Verifying Checksum 2c4c5f425aca: Download complete 9c82a29817da: Verifying Checksum 9c82a29817da: Download complete f63f3e885f02: Download complete b3e15bf893a9: Verifying Checksum b3e15bf893a9: Download complete 6b0f44402a83: Pull complete 637838f6bf32: Pull complete 2c4c5f425aca: Pull complete 10de3752fc9c: Pull complete cc67aefe0e92: Pull complete c0ce6ac204a8: Pull complete b9ec1cd9680e: Pull complete 9c82a29817da: Pull complete f63f3e885f02: Pull complete b3e15bf893a9: Pull complete Digest: sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f Status: Downloaded newer image for ocaml/opam@sha256:96a33ae19abb9333fb915bd303301c11ace2a02efa3240eed9b33f575ac4119f 2026-01-07 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 | 00m01s Fedora 42 openh264 (From Cisco) - x86_ 100% | 2.7 KiB/s | 986.0 B | 00m00s Fedora 42 - x86_64 - Updates 100% | 85.6 KiB/s | 21.1 KiB | 00m00s Repositories 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] y This 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] Initialised 2026-01-07 20:15.22 ---> using "81778c5788a1ddad22c83d0d5fb29c7baa9d18975a12217403fdaa33b123eb1c" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-87-generic The OCaml toplevel, version 4.14.2 2.4.1 2026-01-07 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_HEAD 235b964523..2dee2fe30d master -> origin/master 2dee2fe30d Merge pull request #29195 from raphael-proust/lwt-fix-ocamlfind-dep-constraint <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything 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.2.5.1 Done. # 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 /usr includedir /usr/include libdir /usr/lib libdevdir /usr/lib relativelibdir mandir /usr/man datadir /usr/share libgcc_link_flag /usr/lib/gcc/x86_64-redhat-linux/15/libgcc.a stringop_overflow yes array_bounds yes __kernel_rwf_t yes __kernel_timespec yes open_how yes statx yes glibc_statx yes C++ yes has_ucontext yes NVMe uring command support yes futex waitv support yes has_idtype_t yes nolibc yes has_fanotify yes CC gcc CXX g++ (cd _build/default/vendor/liburing && /usr/sbin/make -j -C src) make: Entering directory '/src/_build/default/vendor/liburing/src' CC setup.ol CC queue.ol CC register.ol CC syscall.ol CC version.ol CC nolibc.ol CC setup.os CC ffi.ol CC queue.os CC syscall.os CC register.os CC ffi.os CC nolibc.os CC version.os AR liburing.a CC liburing.so.2.7 RANLIB liburing.a AR liburing-ffi.a CC liburing-ffi.so.2.7 RANLIB liburing-ffi.a make: Leaving directory '/src/_build/default/vendor/liburing/src' ar: creating liburing.a ar: creating liburing-ffi.a (cd _build/default/tests && ./poll_add.exe) submitted 1 poll_add: 1 2026-01-07 20:15.28 ---> saved as "2d51db3bc824cb330f71c4906db7237b5bc1f1b5146dfc9e579df98f042d2925" Job succeeded 2026-01-07 20:15.28: Job succeeded