2026-04-14 08:12.53: New job: test dra27/ocaml-uring https://github.com/dra27/ocaml-uring.git#refs/heads/main (5f3a7e819bd2ed4bf152bba7391314ede5f960f3) (linux-x86_64:ubuntu-22.04-4.14_opam-2.5)Base: ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00Opam 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:ubuntu-22.04-ocaml-4.14@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00# ubuntu-22.04-4.14_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mdx.2.5.2 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-14 08:12.53: Using cache hint "dra27/ocaml-uring-ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00-ubuntu-22.04-4.14_opam-2.5-d8bff6d50312e44efff50a30b13d5120"2026-04-14 08:12.53: Using OBuilder spec:((from ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00)(comment ubuntu-22.04-4.14_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mdx.2.5.2 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 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")))2026-04-14 08:12.53: Waiting for resource in pool OCluster2026-04-14 10:42.44: Waiting for worker…2026-04-14 10:46.17: Got resource from pool OClusterBuilding on toxis.caelum.ci.devAll commits already cachedHEAD is now at 5f3a7e8 Merge pull request #127 from talex5/fix-mkdir-test(from ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00)Unable to find image 'ocaml/opam:ubuntu-22.04-ocaml-4.14@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00' locallydocker.io/ocaml/opam@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00: Pulling from ocaml/opamb1cba2e842ca: Already exists421afdaed246: Already exists4f870a39d887: Already exists55a213a632b1: Already exists45b4d0733e62: Already exists3aeb1fde2a5c: Already existsaafef83927b6: Already existsbcf6200713a7: Already exists44126a1f4f31: Already exists640d0ce4ea89: Already existsb5d13c755b81: Already existsd4f408980979: Already existsa89dafa13071: Already exists636fd786dcef: Already exists31dae2391bd4: Already exists8b28883ae878: Already exists4a187d75ee24: Already exists4a187d75ee24: Already exists4f4fb700ef54: Already exists15ef0a4fe052: Already exists81aef10b7468: Already exists8492c04426b2: Already exists4f4fb700ef54: Already exists931be6b45df3: Already existsb3b41b093e1c: Already existsc66a499f18f1: Already existsdc859d65a979: Already existsf9a4b7e83cbc: Already exists8406175b74f2: Already existsd8a867e68b39: Already exists1b4507b9d94f: Already exists86753f729f41: Already existsbb1554100fd0: Already exists79f063451047: Already existsaf19aefa8c28: Already exists18ae77be10c6: Already exists23748796c9e7: Already exists8a87c1d60ed6: Already existsf59dc0679c75: Already existsd71672fc129c: Already exists44dd0ab5fdef: Already exists931c13510f32: Pulling fs layer75ed66e4849a: Pulling fs layer19cc32431784: Pulling fs layer6b082b8f59d1: Pulling fs layer931c13510f32: Waiting75ed66e4849a: Waiting19cc32431784: Waiting6b082b8f59d1: Waiting931c13510f32: Verifying Checksum931c13510f32: Download complete75ed66e4849a: Download complete19cc32431784: Download complete6b082b8f59d1: Download complete931c13510f32: Pull complete75ed66e4849a: Pull complete19cc32431784: Pull complete6b082b8f59d1: Pull completeDigest: sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d00Status: Downloaded newer image for ocaml/opam@sha256:ee7d8a3a4cace31d410c47ddbd98caf693324ad5c7e83d32c213a00aabdb9d002026-04-14 10:46.17 ---> using "752ab5c6ad79de967908e3073b7fceaa0abf89b6f293aaa06b19d969149dde3c" from cache/: (comment ubuntu-22.04-4.14_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"))2026-04-14 10:46.17 ---> using "1a1eff4052ea3104fb7e5ec5761842d0cfe9656287a6882b1eac7caa3efa349f" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-14 10:46.17 ---> using "2e1e4395ca2a0d261913003a3e43f34a1f0efdc272202fe92ed711df2d6f3e43" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 4.14.22.5.02026-04-14 10:46.18 ---> using "95ff2ee8d7fe66b59ec0e45f834976653a81c7090dc41602580dd6f1b36445d7" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-14 10:46.18 ---> using "71b4ea2e8ceb4f55c80eaf0cf25522e581c7d7b5464709106ded0f2c4ab7d51b" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADffb54b9bdd..23068bb422 master -> origin/master5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2<><> 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)2026-04-14 10:46.18 ---> using "b818a66987a4ada308a5efb6a7b77bb58155dc2a63350ea9ff4329983e01db1e" from cache/src: (copy (src uring.opam) (dst ./))2026-04-14 10:46.18 ---> saved as "a3dd2bfe8200b093d11ba7bd4e064ffbefc8457b4684c3c6bef314a0aa6d0c54"/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)2026-04-14 10:46.23 ---> saved as "0e7114220f76924b73ebb081b6684196cc4a3181ded5e782d7933a943af9cc4d"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-14 10:46.23 ---> saved as "7dc17fc34dd5a703bf7e27abce887ecf429142a911737ea468a7513731d1a7d1"/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.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mdx.2.5.2 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 ocaml-options-vanilla.1 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://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB]- Hit:2 http://archive.ubuntu.com/ubuntu jammy InRelease- Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB]- Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB]- Get:5 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1311 kB]- Get:6 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [6935 kB]- Get:7 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [3898 kB]- Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [7151 kB]- Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1623 kB]- Get:10 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [4229 kB]- Get:11 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64 Packages [35.9 kB]- Get:12 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64 Packages [84.0 kB]- Fetched 25.7 MB in 4s (7178 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 4.14.2).[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).# To update the current shell environment, run: eval $(opam env)2026-04-14 10:46.53 ---> saved as "f244e0d9ff27f634c42b8750e90091cd3f0796f0ee5ff4042776d82e304926e5"/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 3.22.2- install dune-configurator 3.22.2- 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 csexp.1.5.2 (cached)-> retrieved cppo.1.8.0 (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 ocaml-version.4.0.4 (cached)-> retrieved mdx.2.5.2 (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 re.1.14.0 (cached)-> retrieved result.1.5 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved dune.3.22.2, dune-configurator.3.22.2 (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.3.22.2-> installed camlp-streams.5.0.1-> 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 result.1.5-> installed ocplib-endian.1.2-> installed dune-configurator.3.22.2-> installed lwt.6.1.1-> installed logs.0.10.0-> installed mdx.2.5.2Done.# To update the current shell environment, run: eval $(opam env)2026-04-14 10:49.35 ---> saved as "855114bde845e87bc8e254ba8313286d81bb7d17c9fa159cedfa55c4a5748243"/src: (copy (src .) (dst /src))2026-04-14 10:49.36 ---> saved as "021e394555540a0ff35a011f9b230bd5f2ed44780e832d62a7716d302f7aee36"/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/lib/gcc/x86_64-linux-gnu/11/libgcc.astringop_overflow yesarray_bounds yes__kernel_rwf_t yes__kernel_timespec yesopen_how yesstatx yesglibc_statx yesC++ yeshas_ucontext yesNVMe uring command support nofutex waitv support nohas_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.aRANLIB liburing-ffi.aCC liburing-ffi.so.2.7make: 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: 12026-04-14 10:49.49 ---> saved as "5c1da7ac9139c2f2f0d83583ba439bd95ffe5d5af8037c07cf6b57e69aaa9be2"Job succeeded2026-04-14 10:49.50: Job succeeded