2026-04-13 10:20.51: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-x86_64:debian-13-4.13_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.13@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2Opam 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-4.13@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2# debian-13-4.13_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.13.1 ocaml-base-compiler.4.13.1 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-BLOCK2026-04-13 10:20.51: Using cache hint "mirage/mirage-flow-ocaml/opam:debian-13-ocaml-4.13@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2-debian-13-4.13_opam-2.5-b6c942d79f52632821dbc736b159efe5"2026-04-13 10:20.51: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.13@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2)(comment debian-13-4.13_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.13.1 ocaml-base-compiler.4.13.1 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")))2026-04-13 10:20.51: Waiting for resource in pool OCluster2026-04-13 11:39.40: Waiting for worker…2026-04-13 11:42.08: Got resource from pool OClusterBuilding on laodoke.caelum.ci.devAll commits already cachedHEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:debian-13-ocaml-4.13@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2)Unable to find image 'ocaml/opam:debian-13-ocaml-4.13@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2' locallydocker.io/ocaml/opam@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2: Pulling from ocaml/opam8f6ad858d0a4: Already exists9cb5e198c8cf: Already exists2d346d36dcf2: Already existscdc35e289b8d: Already existsaeb7244bb580: Already existsfc1943254a0d: Already exists84238c416f8e: Already existsfbbfe75d3112: Already exists221fdc5d9929: Already exists1fec9149b52a: Already exists9c6e52557f24: Already exists8737f5036aae: Already existsd69c4074de14: Already exists7237152a5f04: Already existsfba4b414d8a0: Already exists40d552afb3ef: Already exists077cc17dc8e4: Already exists077cc17dc8e4: Already exists169e1be36a55: Already exists0a8a005097ab: Already existscaba3ec4b361: Already exists6a364dc641f8: Already exists4f4fb700ef54: Already existsab8052928cdc: Already existsf5717a28dd6a: Already exists79233a9b9bed: Already existsd832d53e7392: Already exists1872dad82243: Already existsbfd849b08ba7: Already exists834a8024ef15: Already exists98ccec79258b: Already existsfb48f36a0542: Already exists3688b13db8e7: Already existsa5c099f5f72c: Already exists1ff1760de5b0: Already exists98eec6764aa5: Already existsaa22ae69debd: Already exists12bfb7b962a2: Already existsec25ce9bb816: Already existsbeadd3cf7357: Already existsd0d0c65a426d: Already existsc53a8da37b68: Pulling fs layer775de553ff3e: Pulling fs layerd9c026d3488d: Pulling fs layercc17436cc433: Pulling fs layercc17436cc433: Waiting775de553ff3e: Download completed9c026d3488d: Download completecc17436cc433: Download completec53a8da37b68: Verifying Checksumc53a8da37b68: Download completec53a8da37b68: Pull complete775de553ff3e: Pull completed9c026d3488d: Pull completecc17436cc433: Pull completeDigest: sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee2Status: Downloaded newer image for ocaml/opam@sha256:8b759b3824a69f3aca1a8d45e981af090e4bc8eebf12762ba6baef46d26ebee22026-04-13 11:42.09 ---> using "824ee93c90fe1c7943cd6b812f1c6d84dcb06c0a27e73c4d89366dd936328ba7" from cache/: (comment debian-13-4.13_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"))2026-04-13 11:42.09 ---> using "bcd86d97e0598dee25187d20c1aaae5d22618bbe921ab4dc49cc2a958c43f6de" 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] Initialised2026-04-13 11:42.09 ---> using "7e69337cb24f3fccb23039f0f733726848a62d9dd5751e495cf0d9d3f38986b7" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-106-genericThe OCaml toplevel, version 4.13.12.5.02026-04-13 11:42.09 ---> using "9a7b287f91952cd2af91e877ef9c6f76085ee634c657c03b5de033463ae821a3" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-13 11:42.09 ---> using "bd5766c88a2def08d1581923040ee94e3c833435fefb564a697344f1566e10d7" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u"))d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> 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)2026-04-13 11:42.09 ---> using "2b69fcc4552d2f9523a4e27c30d97629e14c5a4ca6f90731b8e2069f43d042fd" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-04-13 11:42.09 ---> saved as "a2b056bc88de674ba4dbfd7eaadefd5c53b3c865c4921b1f0f509dabea60b879"/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)2026-04-13 11:42.17 ---> saved as "fa5bd88c69cf12883ca74b0c03d3f52aaf672669f2cfe354ba8bc9f89f8a3768"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-13 11:42.18 ---> saved as "6552e0af54800b2b126333b1db21df3ecbadfb8e466fc2082d60addc62e6d4e8"/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.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 logs.0.8.0 lwt.5.9.2 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.4.13.1 ocaml-base-compiler.4.13.1 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://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 amd64 Packages [122 kB]- Fetched 213 kB in 0s (1146 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-config is already installed (current version is 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.13.1).[NOTE] Package ocaml is already installed (current version is 4.13.1).[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).# To update the current shell environment, run: eval $(opam env)2026-04-13 11:42.39 ---> saved as "e8a917815eab6084ed7208a34c20d2baa97c54eb8a51990e07654bc3611c5981"/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 4.13.1).[NOTE] Package ocaml is already installed (current version is 4.13.1).[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 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 3.22.1- install dune-configurator 3.22.1- install fmt 0.11.0- install logs 0.8.0- install lwt 5.9.2- 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.0.8.0 (cached)-> retrieved mirage-mtime.5.2.0 (cached)-> retrieved lwt.5.9.2 (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.3.22.1, dune-configurator.3.22.1 (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.3.22.1-> 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.3.22.1-> installed lwt.5.9.2-> installed logs.0.8.0Done.# To update the current shell environment, run: eval $(opam env)2026-04-13 11:45.01 ---> saved as "ba4e37565028512656baacab902464bba850124f423eee62d45b3bdb0018a19e"/src: (copy (src .) (dst /src))2026-04-13 11:45.01 ---> saved as "afa406c3328790a3f540f0c4542b86e20a758249c73351ea251e2cf7d14c5cb4"/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 `FGXXR2DG'.[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.2026-04-13 11:45.03 ---> saved as "bbc61ed5c3c8be321daa96f57e3b442c95d7c96eabfa536a4f81918a9a2dfa17"Job succeeded2026-04-13 11:45.03: Job succeeded