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@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c Opam project build To reproduce locally: git clone --recursive "https://github.com/mirage/mirage-flow.git" -b "main" && cd "mirage-flow" && git reset --hard c0efad0f cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c # debian-13-5.4_arm32_opam-2.5 USER 1000:1000 SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ] 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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u COPY --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 $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 2026-04-16 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 OCluster 2026-04-16 18:06.14: Waiting for worker… 2026-04-16 18:23.31: Got resource from pool OCluster Building on ainia.caelum.ci.dev All commits already cached HEAD 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' locally docker.io/ocaml/opam@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c: Pulling from ocaml/opam 5b74af671a0d: Already exists c0004a7d6c35: Already exists f7a319dbefcd: Already exists 64580c57b212: Already exists a7a74d567e7f: Already exists c580bc3191e6: Already exists a24164330339: Already exists 389635c05bd5: Already exists 5358dac9a3d4: Already exists 5b6e3ab6d3fc: Already exists ffa573419cd0: Already exists 956e8946fe76: Already exists 4cc19ec4e35b: Already exists 50d39f8a329f: Already exists a2fee4a744b8: Already exists f2566e25e026: Already exists de8e612ca6e2: Already exists de8e612ca6e2: Already exists 86d62552ecc4: Already exists c34de772c91f: Already exists 4cf43450be7f: Already exists 90d76b52e78d: Already exists 4f4fb700ef54: Already exists f29faed7ad27: Already exists acd40d5e4b35: Already exists ed1b58f60f89: Already exists 243a372e5aeb: Already exists 47b3c15182a0: Already exists 56be057a4eba: Already exists 96072ffd6041: Already exists 202b0835cdb0: Already exists 950aa580dfc5: Already exists a0f8a2ee86c0: Already exists 4b9f70c22356: Already exists 851d89921c2a: Already exists cf65a1254a3f: Already exists 231b5493b83c: Already exists ec961e9f48df: Already exists fd6dc10f6892: Already exists 1d0f5bff4cde: Already exists fdcc560f846b: Already exists 7ec6fe196744: Pulling fs layer 83e6e7d763e1: Pulling fs layer 9dbb6f743745: Pulling fs layer 2b6a449fd2ed: Pulling fs layer de384661abfa: Pulling fs layer 3c5235aed0c0: Pulling fs layer bd13826022d3: Pulling fs layer 3c5235aed0c0: Waiting bd13826022d3: Waiting 2b6a449fd2ed: Waiting de384661abfa: Waiting 9dbb6f743745: Verifying Checksum 9dbb6f743745: Download complete 7ec6fe196744: Verifying Checksum 7ec6fe196744: Download complete 7ec6fe196744: Pull complete 83e6e7d763e1: Verifying Checksum 83e6e7d763e1: Pull complete 9dbb6f743745: Pull complete de384661abfa: Download complete 3c5235aed0c0: Verifying Checksum 3c5235aed0c0: Download complete bd13826022d3: Verifying Checksum bd13826022d3: Download complete 2b6a449fd2ed: Verifying Checksum 2b6a449fd2ed: Download complete 2b6a449fd2ed: Pull complete de384661abfa: Pull complete 3c5235aed0c0: Pull complete bd13826022d3: Pull complete Digest: sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c Status: Downloaded newer image for ocaml/opam@sha256:693926cc9b8abbd309167dc982607708a09b21e08c25c3b4b369c3ed1013684c 2026-04-16 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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-16 18:23.31 ---> using "7d333fe8adc870fca57c5860b783adae397929ec23a45b43ae9049b9553dd467" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-107-generic The OCaml toplevel, version 5.4.1 2.5.0 2026-04-16 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_HEAD 42844088d7..0b0acbee05 master -> origin/master 5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible 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) 2026-04-16 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.0.10.0 Done. # 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 succeeded 2026-04-16 18:25.05: Job succeeded