2026-04-16 18:02.33: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-arm64:debian-13-5.4_arm32_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684cOpam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/mirage-flow.git" -b "main" && cd "mirage-flow" && git reset --hard c0efad0fcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c# debian-13-5.4_arm32_opam-2.5USER 1000:1000SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]ENV 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 mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam ./RUN opam pin add -yn mirage-flow.dev './' && \opam pin add -yn mirage-flow-unix.dev './' && \opam pin add -yn mirage-flow-combinators.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base 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 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-16 18:02.33: Using cache hint "mirage/mirage-flow-ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c-debian-13-5.4_arm32_opam-2.5-a5567fd04a9f396d9a1a9807ecb64895"2026-04-16 18:02.33: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c)(comment debian-13-5.4_arm32_opam-2.5)(user (uid 1000) (gid 1000))(shell /usr/bin/linux32 /bin/sh -c)(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 mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))(run (network host)(shell "opam pin add -yn mirage-flow.dev './' && \\nopam pin add -yn mirage-flow-unix.dev './' && \\nopam pin add -yn mirage-flow-combinators.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base 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 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")(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 mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.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")))2026-04-16 18:02.33: Waiting for resource in pool OCluster2026-04-16 18:06.14: Waiting for worker…2026-04-16 18:23.31: Got resource from pool OClusterBuilding on ainia.caelum.ci.devAll commits already cachedHEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c)Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c' locallydocker.io/ocaml/opam@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c: Pulling from ocaml/opam5b74af671a0d: Already existsc0004a7d6c35: Already existsf7a319dbefcd: Already exists64580c57b212: Already existsa7a74d567e7f: Already existsc580bc3191e6: Already existsa24164330339: Already exists389635c05bd5: Already exists5358dac9a3d4: Already exists5b6e3ab6d3fc: Already existsffa573419cd0: Already exists956e8946fe76: Already exists4cc19ec4e35b: Already exists50d39f8a329f: Already existsa2fee4a744b8: Already existsf2566e25e026: Already existsde8e612ca6e2: Already existsde8e612ca6e2: Already exists86d62552ecc4: Already existsc34de772c91f: Already exists4cf43450be7f: Already exists90d76b52e78d: Already exists4f4fb700ef54: Already existsf29faed7ad27: Already existsacd40d5e4b35: Already existsed1b58f60f89: Already exists243a372e5aeb: Already exists47b3c15182a0: Already exists56be057a4eba: Already exists96072ffd6041: Already exists202b0835cdb0: Already exists950aa580dfc5: Already existsa0f8a2ee86c0: Already exists4b9f70c22356: Already exists851d89921c2a: Already existscf65a1254a3f: Already exists231b5493b83c: Already existsec961e9f48df: Already existsfd6dc10f6892: Already exists1d0f5bff4cde: Already existsfdcc560f846b: Already exists7ec6fe196744: Pulling fs layer83e6e7d763e1: Pulling fs layer9dbb6f743745: Pulling fs layer2b6a449fd2ed: Pulling fs layerde384661abfa: Pulling fs layer3c5235aed0c0: Pulling fs layerbd13826022d3: Pulling fs layer3c5235aed0c0: Waitingbd13826022d3: Waiting2b6a449fd2ed: Waitingde384661abfa: Waiting9dbb6f743745: Verifying Checksum9dbb6f743745: Download complete7ec6fe196744: Verifying Checksum7ec6fe196744: Download complete7ec6fe196744: Pull complete83e6e7d763e1: Verifying Checksum83e6e7d763e1: Pull complete9dbb6f743745: Pull completede384661abfa: Download complete3c5235aed0c0: Verifying Checksum3c5235aed0c0: Download completebd13826022d3: Verifying Checksumbd13826022d3: Download complete2b6a449fd2ed: Verifying Checksum2b6a449fd2ed: Download complete2b6a449fd2ed: Pull completede384661abfa: Pull complete3c5235aed0c0: Pull completebd13826022d3: Pull completeDigest: sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684cStatus: Downloaded newer image for ocaml/opam@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c2026-04-16 18:23.31 ---> using "e3a4dfe50414b30acc0acf4d7df7b8ace3a607b326f8443751115cd12bd5dffd" from cache/: (comment debian-13-5.4_arm32_opam-2.5)/: (user (uid 1000) (gid 1000))/: (shell /usr/bin/linux32 /bin/sh -c)/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-04-16 18:23.31 ---> using "11a5a065a36bf1fbcd6677db522011410f52b90c9f814f5df96c5002277e1782" 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] Initialised2026-04-16 18:23.31 ---> using "7d333fe8adc870fca57c5860b783adae397929ec23a45b43ae9049b9553dd467" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 5.4.12.5.02026-04-16 18:23.31 ---> using "1f294dd375293a36e4c0adf6670b1f4a626e0fb6b414c615ce492896da843193" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-16 18:23.31 ---> using "8d083ae48f4cb8e63e34f8e15eb5e304e079a3d97140853fefff4a12d91dd436" 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_HEAD42844088d7..0b0acbee05 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 possibleHowever, 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)2026-04-16 18:23.31 ---> using "94075ba885d95b9363190c2e9fe26f1caebbe1362434c7d34a73647e9bc4d427" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-04-16 18:23.31 ---> using "9902f085936787fbd99fc252e49a2261fc4871d1a5536521f36b3bb40c839935" from cache/src: (run (network host)(shell "opam pin add -yn mirage-flow.dev './' && \\nopam pin add -yn mirage-flow-unix.dev './' && \\nopam pin add -yn mirage-flow-combinators.dev './'"))[mirage-flow.dev] synchronised (file:///src)mirage-flow is now pinned to file:///src (version dev)[mirage-flow-unix.dev] synchronised (file:///src)mirage-flow-unix is now pinned to file:///src (version dev)[mirage-flow-combinators.dev] synchronised (file:///src)mirage-flow-combinators is now pinned to file:///src (version dev)2026-04-16 18:23.31 ---> using "6066c3d4bef3446249038cf0d809d2238859bba40cc241ef9773bcd4c193391c" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-16 18:23.31 ---> using "e3e244bb3a27e6fb548d6bd5cc9d62d9da0437ea8a5e0309184056984855b947" from cache/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base 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 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4")/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 mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Hit:1 http://deb.debian.org/debian trixie InRelease- 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-security trixie-security/main armhf Packages [117 kB]- Fetched 208 kB in 0s (1122 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mirage-flow.dev] synchronised (file:///src)[mirage-flow-combinators.dev] synchronised (file:///src)[mirage-flow-unix.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-option-bytecode-only is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains 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)2026-04-16 18:23.41 ---> saved as "8865ed740dd4f1ac971aaf08dc2418dd0712c17ac667fef7dc00fc78fe4b9fa4"/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-option-bytecode-only is already installed (current version is 1).[NOTE] Package ocaml-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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-nnp is already installed (current version is base).[NOTE] Package base-effects is already installed (current version is base).[NOTE] Package base-domains 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 alcotest 1.9.1- install astring 0.8.5- install base-bytes base- 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 mirage-mtime 5.2.0- install mtime 2.1.0- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install re 1.14.0- install stdlib-shims 0.3.0- install topkg 1.1.1- install uutf 1.0.4<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.9.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved mirage-mtime.5.2.0 (cached)-> retrieved lwt.6.1.1 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved re.1.14.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved uutf.1.0.4 (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 mtime.2.1.0-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed astring.0.8.5-> installed dune.3.22.2-> installed stdlib-shims.0.3.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed mirage-mtime.5.2.0-> installed re.1.14.0-> installed ocplib-endian.1.2-> installed ocaml-syntax-shims.1.0.0-> installed dune-configurator.3.22.2-> installed alcotest.1.9.1-> installed lwt.6.1.1-> installed logs.0.10.0Done.# To update the current shell environment, run: eval $(opam env)2026-04-16 18:25.02 ---> saved as "812a323848ad1fce8a5a762016bd80f7499b6ff792af90215c26b15fad4b0bec"/src: (copy (src .) (dst /src))2026-04-16 18:25.03 ---> saved as "8ecdb354b8aeaebef61e24b78b13c5501d93efc8de5f8f9c9821201e15947da5"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test && ./test.exe)Testing `mirage-flow'.This run has ID `531SCT2K'.[OK] string 0 input.[OK] string 1 output.[OK] strings 0 input.[OK] strings 1 output.[OK] cstruct 0 input.[OK] cstruct 1 output.[OK] cstructs 0 input.[OK] cstructs 1 output.[OK] lwt-io 0 input.[OK] lwt-io 1 output.Full test results in `/src/_build/default/test/_build/_tests/mirage-flow'.Test Successful in 0.002s. 10 tests run.2026-04-16 18:25.05 ---> saved as "9e8613900303bef1d902383be4aae757f0a94e046fc358309f005805c8067354"Job succeeded2026-04-16 18:25.05: Job succeeded