2026-03-15 16:33.07: New job: test dra27/ocaml-uring https://github.com/dra27/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/dra27/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 "dra27/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 16:33.07: 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-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b) Unable to find image 'ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b' locally docker.io/ocaml/opam@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b: Pulling from ocaml/opam 866771c43bf5: Already exists 1e49bea09367: Already exists e793768537e6: Already exists ed323d3d481a: Already exists 7df34a5cd5f1: Already exists fd712d3eb935: Already exists 4b9fb8c99118: Already exists 9d9a01948b94: Already exists 0f1514f90b32: Already exists e1ec5a753447: Already exists 03cc323e2f71: Already exists c09c08ea9749: Already exists b36b619f8e6b: Already exists 195344ca5274: Already exists 228ee78582a6: Already exists 504bde1c25b3: Already exists 9d8b1356c89f: Already exists 9d8b1356c89f: Already exists 568fb6dda155: Already exists c499c9198aea: Already exists 048e5e358118: Already exists 871ca48eb45d: Already exists 4f4fb700ef54: Already exists a5a2568b9df9: Already exists 068cf3106ac8: Already exists 559f54ec9b29: Already exists 798ffd96fde5: Already exists e9a891bf80d7: Already exists d720cfe12674: Already exists c81c932f4a91: Already exists 79f24fa3bb11: Already exists 8c1debcd8c20: Already exists 1bb2cfea7250: Already exists 2b3d3ca75e4c: Already exists 557cacaf263c: Already exists d10483022eef: Already exists 7b62a90d8223: Already exists 28ce8ea66e72: Already exists d975909ea717: Already exists 5c215c69c247: Already exists e7c082452a54: Already exists 34d4895854fc: Pulling fs layer 16e896687b85: Pulling fs layer f38ffc0fb0b3: Pulling fs layer b2a023b6f5d6: Pulling fs layer b2a023b6f5d6: Waiting 16e896687b85: Download complete f38ffc0fb0b3: Verifying Checksum f38ffc0fb0b3: Download complete b2a023b6f5d6: Verifying Checksum b2a023b6f5d6: Download complete 34d4895854fc: Verifying Checksum 34d4895854fc: Download complete 34d4895854fc: Pull complete 16e896687b85: Pull complete f38ffc0fb0b3: Pull complete b2a023b6f5d6: Pull complete Digest: sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b Status: Downloaded newer image for ocaml/opam@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 Format upgrade done. 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. <><> 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 6.8.0-90-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 16:33.08 ---> 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 16:33.10 ---> saved as "cbb6bfe65c030b63454c45d6b276be9f94fd53fd3b28b47d4c4d67cab2e591ce" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-03-15 16:33.10 ---> 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 1min 37s (104 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 16:35.02 ---> 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 dune-configurator.2.5.1, dune-private-libs.2.5.1 (cached) -> retrieved dune.3.5.0 (cached) -> retrieved logs.0.7.0 (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 ocplib-endian.1.0 (cached) -> retrieved ocamlbuild.0.14.0 (cached) -> installed cmdliner.1.3.0 -> retrieved ocamlfind.1.8.1 (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 stdlib-shims.0.1.0 -> installed mmap.1.1.0 -> installed ocaml-version.3.5.0 -> installed result.1.5 -> installed optint.0.3.0 -> installed cstruct.6.0.1 -> installed csexp.1.3.2 -> installed bechamel.0.1.0 -> installed odoc-parser.1.0.1 -> 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 16:35.42 ---> saved as "18f675594ae03dbfb88a36c10b91f2757c38cb89203ee457dbe67dffee233674" /src: (copy (src .) (dst /src)) 2026-03-15 16:35.43 ---> 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 version.ol CC nolibc.ol CC ffi.ol CC queue.os CC setup.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 16:35.48 ---> saved as "b7ea00bc5d3bc1da56598701f61c8f946220b48ade0a09a42d1160a0f60f61ff" Job succeeded 2026-03-15 16:35.48: Job succeeded