2026-03-15 16:33.07: New job: test ocaml-multicore/ocaml-uring https://github.com/ocaml-multicore/ocaml-uring.git#refs/heads/main (5f3a7e819bd2ed4bf152bba7391314ede5f960f3) (linux-x86_64:(lower-bound)) Base: ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b 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-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b # debian-13-4.12_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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && 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.0.1.0 bigarray-compat.1.0.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-m4.1 cppo.1.6.1 csexp.1.3.2 cstruct.6.0.1 dune.3.5.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 fmt.0.9.0 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.5.4.0 mdx.2.1.0 mmap.1.1.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.3.5.0 ocamlbuild.0.14.0 ocamlfind.1.8.1 ocplib-endian.1.0 odoc-parser.1.0.1 optint.0.3.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8" 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 2026-03-15 16:33.07: Using cache hint "ocaml-multicore/ocaml-uring-ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b-debian-13-4.12_opam-2.5-ac15696cd39a228ff5415c066d4fb51e" 2026-03-15 16:33.07: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b) (comment debian-13-4.12_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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && 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.0.1.0 bigarray-compat.1.0.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-m4.1 cppo.1.6.1 csexp.1.3.2 cstruct.6.0.1 dune.3.5.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 fmt.0.9.0 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.5.4.0 mdx.2.1.0 mmap.1.1.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.3.5.0 ocamlbuild.0.14.0 ocamlfind.1.8.1 ocplib-endian.1.0 odoc-parser.1.0.1 optint.0.3.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8") (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")) ) 2026-03-15 16:33.07: Waiting for resource in pool OCluster 2026-03-15 16:33.07: Waiting for worker… 2026-03-15 16:33.08: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at 5f3a7e8 Merge pull request #127 from talex5/fix-mkdir-test (from ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b) 2026-03-15 16:33.08 ---> using "3b46e56650772a04d6e9095d44f93a8df988651ae72f356b632e83e63eac10f5" from cache /: (comment debian-13-4.12_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")) 2026-03-15 16:33.08 ---> using "e2f064c4566f9202ac9fbc7e7e90de890fcd59b295de0283ac84ca24affb079a" 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 2026-03-15 16:33.08 ---> using "f7f9df74c15474ae54ad002059191e7d0083b5125866402d8bbe2dfe6f1453cd" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 4.12.1 2.5.0 2026-03-15 16:33.08 ---> using "d84ea4376901319af8208bedf7e7b0216f7c4232c4a6349cbc03bb503407c82f" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-03-15 16:33.08 ---> using "4b1825bc487fa5e1bfa4c30f038f6744f91e544adfea47b05bf5e508e1476894" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..f2e7a221a1 master -> origin/master 31462e7d24 Merge pull request #29451 from dra27/relocatable-package <><> 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) 2026-03-15 16:33.08 ---> using "7d13b5bb51f8314e51a9d96d7624cbaf369cae391cf98311473cae7d527f3dd3" from cache /src: (copy (src uring.opam) (dst ./)) 2026-03-15 16:33.09 ---> saved as "ed901b9dbfb1a54e7c40fe56472b5a692a3665e581d5adc6c38456b95536e2c6" /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) 2026-03-15 16:33.11 ---> saved as "cbb6bfe65c030b63454c45d6b276be9f94fd53fd3b28b47d4c4d67cab2e591ce" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-03-15 16:33.12 ---> saved as "d9e376a9ce7fb292b9136a212f7079491f4b19fccdf0d97506323d418e0537c7" /src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bechamel.0.1.0 bigarray-compat.1.0.0 camlp-streams.5.0.1 cmdliner.1.3.0 conf-m4.1 cppo.1.6.1 csexp.1.3.2 cstruct.6.0.1 dune.3.5.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 fmt.0.9.0 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.5.4.0 mdx.2.1.0 mmap.1.1.0 ocaml.4.12.1 ocaml-base-compiler.4.12.1 ocaml-config.2 ocaml-options-vanilla.1 ocaml-version.3.5.0 ocamlbuild.0.14.0 ocamlfind.1.8.1 ocplib-endian.1.0 odoc-parser.1.0.1 optint.0.3.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8") /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 [111 kB] - Fetched 10.0 MB in 6min 6s (27.3 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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.12.1). [NOTE] Package ocaml is already installed (current version is 4.12.1). [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 system packages will first need to be installed: m4 <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4" - Selecting previously unselected package m4. - (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20623 files and directories currently installed.) - Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ... - Unpacking m4 (1.4.19-8) ... - Setting up m4 (1.4.19-8) ... # To update the current shell environment, run: eval $(opam env) 2026-03-15 16:39.45 ---> saved as "22799d02a39d0104a8246e75773f4596d8e39ab96f303630bfb07cc176efd59e" /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 4.12.1). [NOTE] Package ocaml is already installed (current version is 4.12.1). [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 30 packages - install astring 0.8.5 - install base-bytes base - install bechamel 0.1.0 - install bigarray-compat 1.0.0 - install camlp-streams 5.0.1 - install cmdliner 1.3.0 - install conf-m4 1 - install cppo 1.6.1 - install csexp 1.3.2 - install cstruct 6.0.1 - install dune 3.5.0 - install dune-configurator 2.5.1 - install dune-private-libs 2.5.1 - install fmt 0.9.0 - install jbuilder 1.0+beta20.1 (deprecated) - install logs 0.7.0 - install lwt 5.4.0 - install mdx 2.1.0 - install mmap 1.1.0 - install ocaml-version 3.5.0 - install ocamlbuild 0.14.0 - install ocamlfind 1.8.1 - install ocplib-endian 1.0 - install odoc-parser 1.0.1 - install optint 0.3.0 - install re 1.7.2 - install result 1.5 - install seq 0.3 - install stdlib-shims 0.1.0 - install topkg 1.0.8 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved bechamel.0.1.0 (cached) -> retrieved bigarray-compat.1.0.0 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> installed conf-m4.1 -> retrieved cmdliner.1.3.0 (cached) -> retrieved cppo.1.6.1 (cached) -> retrieved csexp.1.3.2 (cached) -> retrieved cstruct.6.0.1 (cached) -> retrieved fmt.0.9.0 (cached) -> retrieved jbuilder.1.0+beta20.1 (cached) -> retrieved logs.0.7.0 (cached) -> retrieved dune-configurator.2.5.1, dune-private-libs.2.5.1 (cached) -> retrieved dune.3.5.0 (cached) -> retrieved lwt.5.4.0 (cached) -> retrieved mdx.2.1.0 (cached) -> retrieved mmap.1.1.0 (cached) -> retrieved ocaml-version.3.5.0 (cached) -> retrieved ocamlbuild.0.14.0 (cached) -> retrieved ocamlfind.1.8.1 (cached) -> installed cmdliner.1.3.0 -> retrieved ocplib-endian.1.0 (cached) -> retrieved odoc-parser.1.0.1 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved re.1.7.2 (cached) -> retrieved result.1.5 (cached) -> retrieved seq.0.3 (cached) -> retrieved stdlib-shims.0.1.0 (cached) -> retrieved topkg.1.0.8 (cached) -> installed ocamlfind.1.8.1 -> installed base-bytes.base -> installed ocamlbuild.0.14.0 -> installed jbuilder.1.0+beta20.1 -> installed re.1.7.2 -> installed cppo.1.6.1 -> installed topkg.1.0.8 -> installed fmt.0.9.0 -> installed astring.0.8.5 -> installed ocplib-endian.1.0 -> installed dune.3.5.0 -> installed bigarray-compat.1.0.0 -> installed camlp-streams.5.0.1 -> installed seq.0.3 -> installed result.1.5 -> installed mmap.1.1.0 -> installed ocaml-version.3.5.0 -> installed optint.0.3.0 -> installed stdlib-shims.0.1.0 -> installed csexp.1.3.2 -> installed cstruct.6.0.1 -> installed odoc-parser.1.0.1 -> installed bechamel.0.1.0 -> installed dune-private-libs.2.5.1 -> installed dune-configurator.2.5.1 -> installed lwt.5.4.0 -> installed logs.0.7.0 -> installed mdx.2.1.0 Done. <><> jbuilder.1.0+beta20.1 installed successfully <><><><><><><><><><><><><><><> => Note: This package is deprecated. # To update the current shell environment, run: eval $(opam env) 2026-03-15 16:40.40 ---> saved as "18f675594ae03dbfb88a36c10b91f2757c38cb89203ee457dbe67dffee233674" /src: (copy (src .) (dst /src)) 2026-03-15 16:40.41 ---> saved as "5196830ec78e36ee37818aafbce1bafbe3ce1a4d255cb4ab03e4d51806b2c11d" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "/home/opam/.opam/4.12/lib/re/re.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.12/lib/re/emacs/re.emacs.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.12/lib/re/glob/re.glob.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.12/lib/re/pcre/re.pcre.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.12/lib/re/perl/re.perl.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.12/lib/re/posix/re.posix.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.12/lib/re/str/re.str.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. (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 nolibc.ol CC version.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 ar: creating liburing.a RANLIB liburing.a CC liburing.so.2.7 AR liburing-ffi.a ar: creating liburing-ffi.a RANLIB liburing-ffi.a CC liburing-ffi.so.2.7 make: Leaving directory '/src/_build/default/vendor/liburing/src' (cd _build/default/tests && ./poll_add.exe) submitted 1 poll_add: 1 2026-03-15 16:40.52 ---> saved as "b7ea00bc5d3bc1da56598701f61c8f946220b48ade0a09a42d1160a0f60f61ff" Job succeeded 2026-03-15 16:40.52: Job succeeded