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:ubuntu-22.04-5.4_opam-2.4) Base: ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b 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:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b # ubuntu-22.04-5.4_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src 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-domains.base base-effects.base base-nnp.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.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 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:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b-ubuntu-22.04-5.4_opam-2.4-4d0933034e639e960f41c8fa69d4c9a6" 2026-01-07 15:24.50: Using OBuilder spec: ((from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b) (comment ubuntu-22.04-5.4_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (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-domains.base base-effects.base base-nnp.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.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 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 20:12.41: Waiting for worker… 2026-01-07 20:13.39: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at e3ff475 Move Unix-based processing properly into C (from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b) 2026-01-07 20:16.13 ---> using "7f91e2bb83d6d357ae6dfb3920265348795501d90daa6df00769b7d07a85dd88" from cache /: (comment ubuntu-22.04-5.4_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2026-01-07 20:16.13 ---> using "b10baba17702824ce3397886586a74a86b43df56e830340d91504f8930049b89" 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 20:16.13 ---> using "38cd054f629c2ff65a759fcc3d2903d8d15e320c75afff53a053aa42a098b1c3" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 5.4.0 2.4.1 2026-01-07 20:16.13 ---> using "699d03d14ea2f9b02d41e070a8808a882e511d19afee5b2765468c809dcb1a1a" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-07 20:16.13 ---> using "74cfbcc9a295d0845e9bd1e64f215006dd5eac3329883f731cc3cadb6f8b0a21" 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 ee48e882f0..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 Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-07 20:16.13 ---> using "a18de1a3457eb72bb77dbc2f7d0f950b3f2bf46e888c8d10ac0030dd6cebaed4" from cache /src: (copy (src uring.opam) (dst ./)) 2026-01-07 20:16.13 ---> using "51a9348809fd173a9228b636bab010bd1e9a28e7f9717ffd75be9fa80ea4e009" 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 20:16.13 ---> using "695ca8c0039662e676160c765c12f61da8b2e15db12aa1c42cc0370e39b0c1e1" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-07 20:16.13 ---> using "7f3f7355473858e80395d0529a0e8452e5fd4854d956e30dca2887764031835f" from cache /src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.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.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 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/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB] - Hit:2 http://archive.ubuntu.com/ubuntu jammy InRelease - Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB] - Get:4 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [3634 kB] - Get:5 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB] - Get:6 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1287 kB] - Get:7 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1599 kB] - Get:8 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [6205 kB] - Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [6411 kB] - Get:10 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [3966 kB] - Get:11 http://archive.ubuntu.com/ubuntu jammy-updates/multiverse amd64 Packages [69.2 kB] - Get:12 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64 Packages [83.9 kB] - Get:13 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64 Packages [37.2 kB] - Fetched 23.7 MB in 4s (5485 kB/s) - Reading package lists... - <><> 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 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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). 2026-01-07 20:16.13 ---> using "3a81384e878e0637928e8a74ba2963e0bfcd026b358a2afaef373415ad577261" 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 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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 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 cppo.1.8.0 (cached) -> retrieved cmdliner.2.1.0 (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 ocaml-version.4.0.3 (cached) -> retrieved mdx.2.5.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (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 cstruct.6.2.0 -> installed cppo.1.8.0 -> installed ocaml-version.4.0.3 -> installed optint.0.3.0 -> installed result.1.5 -> installed re.1.14.0 -> 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 20:16.13 ---> using "1ff0e6168650d0fd5fb6be081ae6a84b78f427a8f262b012b240b3de682c92ae" from cache /src: (copy (src .) (dst /src)) 2026-01-07 20:16.13 ---> saved as "91d6a8b5e3f73c2a9c270938a19cc0fe74717edb35b83298f97bdc4602344c4f" /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-linux-gnu/11/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 no futex waitv support no has_idtype_t yes nolibc yes has_fanotify yes CC gcc CXX g++ (cd _build/default/vendor/liburing && /usr/bin/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 ffi.ol CC setup.os CC queue.os CC register.os CC syscall.os CC version.os CC nolibc.os CC ffi.os AR liburing.a RANLIB liburing.a CC liburing.so.2.7 AR liburing-ffi.a RANLIB liburing-ffi.a CC liburing-ffi.so.2.7 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 20:16.30 ---> saved as "15d889e803803eac6662b3891c46c00227b0e4a4ac44b3b44ce6df99fdfb08cb" Job succeeded 2026-01-07 20:16.30: Job succeeded