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:opensuse-16.0-4.14_opam-2.4)Base: ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ff8c78c052f285c980e74a46b8c654e86e6c8cfd17f89440e505c3d8aae6f362Opam 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:opensuse-16.0-ocaml-4.14@sha256:ff8c78c052f285c980e74a46b8c654e86e6c8cfd17f89440e505c3d8aae6f362# opensuse-16.0-4.14_opam-2.4USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN 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:opensuse-16.0-ocaml-4.14@sha256:ff8c78c052f285c980e74a46b8c654e86e6c8cfd17f89440e505c3d8aae6f362-opensuse-16.0-4.14_opam-2.4-db155cc182a49aa51aab8514cf88cbd2"2026-01-07 15:24.50: Using OBuilder spec:((from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ff8c78c052f285c980e74a46b8c654e86e6c8cfd17f89440e505c3d8aae6f362)(comment opensuse-16.0-4.14_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-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 20:12.47: Waiting for worker…2026-01-07 20:14.06: Got resource from pool OClusterBuilding on eumacheAll commits already cachedHEAD is now at e3ff475 Move Unix-based processing properly into C(from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:ff8c78c052f285c980e74a46b8c654e86e6c8cfd17f89440e505c3d8aae6f362)2026-01-07 20:14.08 ---> using "a0a976251f45337c147c3f4c1372d0de66904d02417c4343a804714134815013" from cache/: (comment opensuse-16.0-4.14_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 20:14.08 ---> using "70a15c8ee1b556fc847e14300a99179375dcd07e30e76c89c45f7e25c503e5d4" 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 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[NOTE] The 'jobs' option was reset, its value was 255 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=255 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-01-07 20:14.08 ---> using "0e7753eb4ee5b4886dc6c3ebd1b3c8654917c8ac80ab7a4b10b8795ced54a4c9" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-131-genericThe OCaml toplevel, version 4.14.22.4.12026-01-07 20:14.08 ---> using "499513f9c582df383d62feea785a5ded690f11830a298a99509c82c4412c23c1" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-07 20:14.08 ---> using "4e2f3d410fa354f8a1723e30aedef489862134db38cd2ef7a6e9ddc444ad63f5" 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_HEADee48e882f0..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 20:14.08 ---> using "38d22f61897a109f453ed3061ad48463c37c63a5cc8ad5f9cbc932d4c2553d84" from cache/src: (copy (src uring.opam) (dst ./))2026-01-07 20:14.08 ---> saved as "6c5e80debb744f32cd793a8b16cbe77b607f2c9a7922de3783112267f838f23d"/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 20:14.10 ---> saved as "bb71226e62e3fafcf236c0fa7f01840fc1e0ab12ae95fd8695b3c0cd972cef96"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-07 20:14.10 ---> saved as "a99a3bcad5777a3516cbf35070e571bf258106642d86634e6014fe763e4e9a3f"/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/bin/sudo "zypper" "--non-interactive" "refresh"- Repository 'repo-openh264 (16.0)' is up to date.- Retrieving repository 'repo-oss (16.0)' metadata [..- Looking for gpg keys in repository repo-oss (16.0).- gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key- ..--- Note: Received 1 new package signing key from repository "repo-oss (16.0)":-- Those additional keys are usually used to sign packages shipped by the repository. In order to- validate those packages upon download and installation the new keys will be imported into the rpm- database.-- New:- Key Fingerprint: F044 C2C5 07A1 262B 538A AADD 8A49 EB03 25DB 7AE0- Key Name: openSUSE:Backports OBS Project <openSUSE:Backports@build.opensuse.org>- Key Algorithm: RSA 4096- Key Created: Wed May 10 14:46:12 2023- Key Expires: Sun May 9 14:46:12 2027- Rpm Name: gpg-pubkey-25db7ae0-645bae34-- The repository metadata introducing the new keys have been signed and validated by the trusted- key:-- Repository: repo-oss (16.0)- Key Fingerprint: AD48 5664 E901 B867 051A B15F 35A2 F86E 29B7 00A4- Key Name: openSUSE Project Signing Key <opensuse@opensuse.org>- Key Algorithm: RSA 4096- Key Created: Mon Jun 20 14:03:14 2022- Key Expires: Fri Jun 19 14:03:14 2026- Rpm Name: gpg-pubkey-29b700a4-62b07e22-- .- ..- ..........- ...done]- Building repository 'repo-oss (16.0)' cache [..- ..done]- All repositories have been refreshed.<><> 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 20:14.44 ---> saved as "1c40113437103b4cdec84db75ef8077c48fa1c2202df422e8f4dfbbfa2945684"/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 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 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 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.2.5.1Done.# To update the current shell environment, run: eval $(opam env)2026-01-07 20:16.08 ---> saved as "4ded68658ad9445f7db2fa5c629c69cbb5a48ea9e69296bcfe017e63c928d7c9"/src: (copy (src .) (dst /src))2026-01-07 20:16.08 ---> saved as "9dbd982810b35a03f7dea98b997662e4628519a9d7ca773de63fe781b975dcbf"/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/lib64/gcc/x86_64-suse-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/bin/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 ffi.olCC setup.osCC queue.osCC register.osCC syscall.osCC version.osCC nolibc.osCC ffi.osCC liburing.so.2.7AR liburing.aRANLIB 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 20:16.22 ---> saved as "01d8d194aee615c8766d8de7627de2e01593a1fb03a296694b3412231d7f2332"Job succeeded2026-01-07 20:16.22: Job succeeded