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@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9bOpam project buildTo reproduce locally:git clone --recursive "https://github.com/dra27/ocaml-uring.git" -b "main" && cd "ocaml-uring" && git reset --hard 5f3a7e81cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.12@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b# debian-13-4.12_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && 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.0.1.0 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-03-15 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 OCluster2026-03-15 16:33.07: Waiting for worker…2026-03-15 16:33.07: Got resource from pool OClusterBuilding on laodoke.caelum.ci.devAll commits already cachedHEAD 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' locallydocker.io/ocaml/opam@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b: Pulling from ocaml/opam866771c43bf5: Already exists1e49bea09367: Already existse793768537e6: Already existsed323d3d481a: Already exists7df34a5cd5f1: Already existsfd712d3eb935: Already exists4b9fb8c99118: Already exists9d9a01948b94: Already exists0f1514f90b32: Already existse1ec5a753447: Already exists03cc323e2f71: Already existsc09c08ea9749: Already existsb36b619f8e6b: Already exists195344ca5274: Already exists228ee78582a6: Already exists504bde1c25b3: Already exists9d8b1356c89f: Already exists9d8b1356c89f: Already exists568fb6dda155: Already existsc499c9198aea: Already exists048e5e358118: Already exists871ca48eb45d: Already exists4f4fb700ef54: Already existsa5a2568b9df9: Already exists068cf3106ac8: Already exists559f54ec9b29: Already exists798ffd96fde5: Already existse9a891bf80d7: Already existsd720cfe12674: Already existsc81c932f4a91: Already exists79f24fa3bb11: Already exists8c1debcd8c20: Already exists1bb2cfea7250: Already exists2b3d3ca75e4c: Already exists557cacaf263c: Already existsd10483022eef: Already exists7b62a90d8223: Already exists28ce8ea66e72: Already existsd975909ea717: Already exists5c215c69c247: Already existse7c082452a54: Already exists34d4895854fc: Pulling fs layer16e896687b85: Pulling fs layerf38ffc0fb0b3: Pulling fs layerb2a023b6f5d6: Pulling fs layerb2a023b6f5d6: Waiting16e896687b85: Download completef38ffc0fb0b3: Verifying Checksumf38ffc0fb0b3: Download completeb2a023b6f5d6: Verifying Checksumb2a023b6f5d6: Download complete34d4895854fc: Verifying Checksum34d4895854fc: Download complete34d4895854fc: Pull complete16e896687b85: Pull completef38ffc0fb0b3: Pull completeb2a023b6f5d6: Pull completeDigest: sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9bStatus: Downloaded newer image for ocaml/opam@sha256:981622ba01d0fb8e584f4e7883a3696b8b7843381ded3a7cf8baed165427ce9b2026-03-15 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] yFormat 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] Initialised2026-03-15 16:33.08 ---> using "f7f9df74c15474ae54ad002059191e7d0083b5125866402d8bbe2dfe6f1453cd" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 4.12.12.5.02026-03-15 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_HEADffb54b9bdd..f2e7a221a1 master -> origin/master31462e7d24 Merge pull request #29451 from dra27/relocatable-package<><> 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.5.5.0"), 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.2.1.0Done.<><> 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 thislibrary 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 thislibrary 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 thislibrary 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 thislibrary 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 thislibrary 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 thislibrary 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 thislibrary provides.(cd _build/default/vendor/liburing && ./configure)prefix /usrincludedir /usr/includelibdir /usr/liblibdevdir /usr/librelativelibdirmandir /usr/mandatadir /usr/sharelibgcc_link_flag /usr/lib/gcc/x86_64-linux-gnu/14/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 queue.osCC setup.osCC register.osCC syscall.osCC version.osCC nolibc.osCC ffi.osAR liburing.aar: creating liburing.aRANLIB liburing.aCC liburing.so.2.7AR liburing-ffi.aar: creating liburing-ffi.aRANLIB liburing-ffi.aCC liburing-ffi.so.2.7make: Leaving directory '/src/_build/default/vendor/liburing/src'(cd _build/default/tests && ./poll_add.exe)submitted 1poll_add: 12026-03-15 16:35.48 ---> saved as "b7ea00bc5d3bc1da56598701f61c8f946220b48ade0a09a42d1160a0f60f61ff"Job succeeded2026-03-15 16:35.48: Job succeeded