2026-04-03 11:35.26: New job: test ocaml-multicore/ocaml-uring https://github.com/ocaml-multicore/ocaml-uring.git#refs/heads/main (5f3a7e819bd2ed4bf152bba7391314ede5f960f3) (linux-x86_64:debian-13-4.14+flambda_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:850943c645431e59dd4eb923682deed0ccf9ed0c7a0e8185ae2f5a75e20d5024 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/ocaml-uring.git" -b "main" && cd "ocaml-uring" && git reset --hard 5f3a7e81 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:850943c645431e59dd4eb923682deed0ccf9ed0c7a0e8185ae2f5a75e20d5024 # debian-13-4.14+flambda_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mdx.2.5.2 ocaml.4.14.2 ocaml-config.2 ocaml-variants.4.14.2+options ocaml-version.4.0.4 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=2.5 --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 2026-04-03 11:35.26: Using cache hint "ocaml-multicore/ocaml-uring-ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:850943c645431e59dd4eb923682deed0ccf9ed0c7a0e8185ae2f5a75e20d5024-debian-13-4.14+flambda_opam-2.5-22164a39915ea663cec6e32061f34e76" 2026-04-03 11:35.26: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:850943c645431e59dd4eb923682deed0ccf9ed0c7a0e8185ae2f5a75e20d5024) (comment debian-13-4.14+flambda_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 (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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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 (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.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mdx.2.5.2 ocaml.4.14.2 ocaml-config.2 ocaml-variants.4.14.2+options ocaml-version.4.0.4 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=2.5 --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")) ) 2026-04-03 11:35.26: Waiting for resource in pool OCluster 2026-04-03 11:35.26: Waiting for worker… 2026-04-03 11:35.28: Got resource from pool OCluster Building on laodoke.caelum.ci.dev All commits already cached HEAD is now at 5f3a7e8 Merge pull request #127 from talex5/fix-mkdir-test (from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:850943c645431e59dd4eb923682deed0ccf9ed0c7a0e8185ae2f5a75e20d5024) 2026-04-03 11:36.09 ---> saved as "41bb500b3da064b5e6b574ace6ef3b37c3265c5cd17110ed5b389cfc4a3ddcf6" /: (comment debian-13-4.14+flambda_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")) 2026-04-03 11:36.09 ---> saved as "4e7506ccd24fbb0a775d0bd5334e8aaeda992917123ce3cdeeb76ad82b5b270e" /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 Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-03 11:36.36 ---> saved as "d86544469f80f0de95313c7ed4a4e69f1d3f5c53f6d097a2164d1a2f6772f0eb" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-106-generic The OCaml toplevel, version 4.14.2 2.5.0 2026-04-03 11:36.37 ---> saved as "5b84e48c94b1f5072f3fcfa4069d4701e77121e50f2a5f18079e2a28b9d5af43" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-03 11:36.37 ---> saved as "5eb7c30af6bfe33176fe69462b27df6b126910791a11f405965e62fa25c8f287" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..d06cfb1853 master -> origin/master d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1 <><> 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.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-04-03 11:37.02 ---> saved as "d79fe874b5ba1fd135e6c9987b1f3b1b34aea17601e16fdc412520b7f326b017" /src: (copy (src uring.opam) (dst ./)) 2026-04-03 11:37.02 ---> saved as "a1b29089a43133a161c8160f9efd67f24da18c7959ee715a701ba4255c4fb78c" /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) 2026-04-03 11:37.05 ---> saved as "e17efd71a623c555f6263069522a16c92be4403006401f94679c33472ebe5a20" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-03 11:37.05 ---> saved as "af46d13f20e202bc72a17a7dc705f236a241f84a3610e8ec08fd21d6d4590b28" /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.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mdx.2.5.2 ocaml.4.14.2 ocaml-config.2 ocaml-variants.4.14.2+options ocaml-version.4.0.4 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=2.5 --depext-only -y uring.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 [119 kB] - Fetched 10.0 MB in 55s (183 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [uring.dev] synchronised (file:///src) [NOTE] Package ocaml-variants is already installed (current version is 4.14.2+options). [NOTE] Package ocaml-config is already installed (current version is 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). # To update the current shell environment, run: eval $(opam env) 2026-04-03 11:38.18 ---> saved as "656c0c9df0eab455d1dc82e7229014555cfebb186ab0a1fa27ce619f58da3aa4" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-variants is already installed (current version is 4.14.2+options). [NOTE] Package ocaml-config is already installed (current version is 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 3.22.1 - install dune-configurator 3.22.1 - install fmt 0.11.0 - install logs 0.10.0 - install lwt 6.1.1 - install mdx 2.5.2 - install ocaml-version 4.0.4 - 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 csexp.1.5.2 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved lwt.6.1.1 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved ocaml-version.4.0.4 (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 result.1.5 (cached) -> retrieved re.1.14.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved dune.3.22.1, dune-configurator.3.22.1 (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.3.22.1 -> installed camlp-streams.5.0.1 -> installed result.1.5 -> installed csexp.1.5.2 -> installed bechamel.0.5.0 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed ocaml-version.4.0.4 -> installed optint.0.3.0 -> installed re.1.14.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.22.1 -> installed lwt.6.1.1 -> installed logs.0.10.0 -> installed mdx.2.5.2 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-03 11:40.20 ---> saved as "50a35b0bfbdd5678c51761b65fcea9e470d73ef39eddc3feb0b395f36baef1bf" /src: (copy (src .) (dst /src)) 2026-04-03 11:40.20 ---> saved as "287846af2e2e20c468140d5c14932b8f40fae0fd5eb31ec812b34f9da6a7bf5a" /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/14/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/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 2026-04-03 11:40.31 ---> saved as "92012e8dae7e665d7a4e9ceda3ff5c1bab9979f04654f7d5bd7bd00dae5690f0" Job succeeded 2026-04-03 11:40.31: Job succeeded