2026-03-28 07:21.21: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-x86_64:ubuntu-25.04-4.14_opam-2.5)Base: ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6eOpam 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:ubuntu-25.04-ocaml-4.14@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e# ubuntu-25.04-4.14_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 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && 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-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 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-BLOCK2026-03-28 07:21.21: Using cache hint "mirage/mirage-flow-ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e-ubuntu-25.04-4.14_opam-2.5-dcc528800b31b6760902a44f1fedfd89"2026-03-28 07:21.21: Using OBuilder spec:((from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e)(comment ubuntu-25.04-4.14_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 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && 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-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 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")))2026-03-28 07:21.21: Waiting for resource in pool OCluster2026-03-28 07:23.30: Waiting for worker…2026-03-28 07:26.40: Got resource from pool OClusterBuilding on toxis.caelum.ci.devhint: Using 'master' as the name for the initial branch. This default branch namehint: is subject to change. To configure the initial branch name to use in allhint: of your new repositories, which will suppress this warning, call:hint:hint: git config --global init.defaultBranch <name>hint:hint: Names commonly chosen instead of 'master' are 'main', 'trunk' andhint: 'development'. The just-created branch can be renamed via this command:hint:hint: git branch -m <name>Initialised empty Git repository in /var/cache/obuilder/ocluster/git/mirage-flow.git-3e98843eb6ada48dcfa03983a0caf228a3b7c1df/.git/HEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e)Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e' locallydocker.io/ocaml/opam@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e: Pulling from ocaml/opamc62190a9ab61: Already exists7ca3d7ce83d6: Already existse98b96bfe3c8: Already exists367a4f863195: Already exists254019f06735: Already exists5db1a0246e57: Already existsaad8e693df08: Already exists116c4ea2d9e8: Already existse3a288415c6d: Already existsf6040445814b: Already exists6d3246e093fe: Already exists14980c64e543: Already exists24166de9f84d: Already exists67f839dd317c: Already existsa76507c440e9: Already exists5e9f9df8e278: Already exists3c66f44b76f6: Already exists3c66f44b76f6: Already exists6a3139e1664c: Already existsfbaa2d651ab1: Already exists03dbd03d3a26: Already existse754164114dd: Already exists4f4fb700ef54: Already existsa9eed926b1df: Already existsb390fdfbde73: Already exists89314797225f: Already existsbfe60495abbd: Already exists7080f8c5742e: Already exists4cc4327ed8eb: Already exists7090362bb95b: Already exists65f6ded004e6: Already exists40a292c1e890: Already existsa49d3a1fa024: Already existsaf141c11f2b0: Already exists3d1488031e50: Already existsd33f3b0de656: Already existsa838df19cfa7: Already exists6ab65d940a97: Already existsd5fab96d9013: Already exists8524466b64a4: Already existsea1f379e4cb9: Already exists48970c1c3e9f: Pulling fs layerd6251606560c: Pulling fs layeraba7c570d9ba: Pulling fs layer95dea4e5ed14: Pulling fs layer95dea4e5ed14: Waitingd6251606560c: Verifying Checksumd6251606560c: Download completeaba7c570d9ba: Verifying Checksumaba7c570d9ba: Download complete95dea4e5ed14: Download complete48970c1c3e9f: Verifying Checksum48970c1c3e9f: Download complete48970c1c3e9f: Pull completed6251606560c: Pull completeaba7c570d9ba: Pull complete95dea4e5ed14: Pull completeDigest: sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6eStatus: Downloaded newer image for ocaml/opam@sha256:683ef4972bca296aa1b1038d8ec22b51b10da72395472fb4b9066c6118dd8e6e2026-03-28 07:26.27 ---> using "401062e43f1653b6c3f90c38157915a3447b6dab558d4091c02b03b6272092fd" from cache/: (comment ubuntu-25.04-4.14_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"))2026-03-28 07:26.27 ---> using "6934aa5d464358b93f6a1b86f0291670b6be382450f75bc3dd6c7be55400a96f" 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] Initialised2026-03-28 07:26.27 ---> using "477cfe1b41831fd13b883b03b8a05bf39788b0546888c81e1ba52665af9e3780" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-173-genericThe OCaml toplevel, version 4.14.22.5.02026-03-28 07:26.27 ---> using "d4ec702a067c2fe88e907bc92ca3064dae0b748c99535260d7eab04bfa311118" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-03-28 07:26.27 ---> using "e969ea05671a2fba932c57d9f00653daea3536375c0cbe0d0c66fc57b24d4f3b" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0<><> 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)2026-03-28 07:26.27 ---> using "1513459a6d89ef767296c0c2535f5f5d9488dd49b88d2ff525a80f311fbd4bd2" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-03-28 07:26.27 ---> saved as "56ebfa054a904aad24b8572f928643e4aa85b4833085569908171a368c280a14"/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)2026-03-28 07:26.36 ---> saved as "4d3c5319ccb96b09ba9a7a01a7181f750a78250c62e724365fda454bad7f7312"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-03-28 07:26.37 ---> saved as "00fff6ecb23b7d94403c4e48bad58cacbad8111f9edcd9ef0560948940efccbb"/src: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.0 dune-configurator.3.22.0 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-config.2 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://security.ubuntu.com/ubuntu plucky-security InRelease- Hit:2 http://archive.ubuntu.com/ubuntu plucky InRelease- Hit:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease- Hit:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease- 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-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)2026-03-28 07:26.59 ---> saved as "ba4b48bcc16f8f5284f9447b006ec1cba3cda1e63c8f38a027b909ba6ee868a8"/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 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 3.22.0- install dune-configurator 3.22.0- 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.3.22.0, dune-configurator.3.22.0 (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 uutf.1.0.4-> installed mtime.2.1.0-> installed fmt.0.11.0-> installed astring.0.8.5-> installed dune.3.22.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed cstruct.6.2.0-> installed mirage-mtime.5.2.0-> installed ocaml-syntax-shims.1.0.0-> installed re.1.14.0-> installed stdlib-shims.0.3.0-> installed ocplib-endian.1.2-> installed alcotest.1.9.1-> installed dune-configurator.3.22.0-> installed lwt.6.1.1-> installed logs.0.10.0Done.# To update the current shell environment, run: eval $(opam env)2026-03-28 07:29.05 ---> saved as "580c30483b27f42a0bb35c7f9eef24b81d6afa2bf87e409e10fb50699772f4b2"/src: (copy (src .) (dst /src))2026-03-28 07:29.06 ---> saved as "b29f93577269047aea7ecb3f703f8f2b0d62330500cfd5def03ca61b886fbc34"/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 `6VIY8AJ3'.[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.2026-03-28 07:29.08 ---> saved as "dd2b9106df1797aee43a2f6d89e9964d6b9a03912d5e05348bd8d3a049a6e7ff"Job succeeded2026-03-28 07:29.08: Job succeeded