2026-04-16 16:40.19: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-x86_64:fedora-42-5.4_opam-2.5)Base: ocaml/opam:fedora-42-ocaml-5.4@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bbOpam 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:fedora-42-ocaml-5.4@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb# fedora-42-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN 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-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 16:40.19: Using cache hint "mirage/mirage-flow-ocaml/opam:fedora-42-ocaml-5.4@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb-fedora-42-5.4_opam-2.5-8f5f19810b5b2ccbc2bbb82bfd849d29"2026-04-16 16:40.19: Using OBuilder spec:((from ocaml/opam:fedora-42-ocaml-5.4@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb)(comment fedora-42-5.4_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (network host)(shell "sudo dnf install -y findutils"))(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-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 16:40.19: Waiting for resource in pool OCluster2026-04-16 17:38.34: Waiting for worker…2026-04-16 17:43.15: Got resource from pool OClusterBuilding on phoebe.caelum.ci.devAll commits already cachedHEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:fedora-42-ocaml-5.4@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb)Unable to find image 'ocaml/opam:fedora-42-ocaml-5.4@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb' locallydocker.io/ocaml/opam@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb: Pulling from ocaml/opambcbfb8588268: Already exists7c86f07d981d: Already existse523f6cbdc73: Already existse196c832855a: Already existsc24dcc89d23e: Already existscd9def049d81: Already existse360f9824a3f: Already existsfbeadbd8287f: Already existsb5be9212d8a5: Already exists58850ac9f02f: Already exists94de074660d5: Already existsc6d785172de9: Already exists5642a0bc3a02: Already exists677ac3b3af73: Already exists97f4a46fa01c: Already exists887c8b3bd767: Already exists887c8b3bd767: Already exists8572bae05e44: Already existsa801ab04175f: Already exists8eb7359ab813: Already existsea7dd170751f: Already exists4f4fb700ef54: Already exists4eeb3f6c741a: Already existsd8096e11e5a7: Already existsb45c71862e05: Already exists3d3025681a79: Already exists3619e9f4de7b: Already existse1d8131f324a: Already exists98ffe2fff5c0: Already existsecf008026c3e: Already existsb7768b04427d: Already existsaad28dcc458f: Already exists2972bd6e2f3d: Already existsca68011eb393: Already existsae07445296b0: Pulling fs layerf042b21668eb: Pulling fs layer45040ee99e59: Pulling fs layer9ffc20870c04: Pulling fs layer5238c2dafd46: Pulling fs layerae07445296b0: Waitingd98d556ee1fb: Pulling fs layerf042b21668eb: Waiting45040ee99e59: Waitingfd7b54172364: Pulling fs layerbb0d31b2f870: Pulling fs layer9ffc20870c04: Waiting5238c2dafd46: Waitingd98d556ee1fb: Waitingfd7b54172364: Waiting0f27e5b0a211: Pulling fs layerbb0d31b2f870: Waitinge4629b699694: Pulling fs layer0f27e5b0a211: Waitinge4629b699694: Waitinge80cce26268d: Pulling fs layere80cce26268d: Waitingf042b21668eb: Verifying Checksumf042b21668eb: Download complete9ffc20870c04: Verifying Checksum9ffc20870c04: Download complete5238c2dafd46: Download completed98d556ee1fb: Download completefd7b54172364: Verifying Checksumfd7b54172364: Download completebb0d31b2f870: Verifying Checksumbb0d31b2f870: Download complete0f27e5b0a211: Verifying Checksum0f27e5b0a211: Download completee4629b699694: Download completee80cce26268d: Verifying Checksume80cce26268d: Download complete45040ee99e59: Verifying Checksum45040ee99e59: Download completeae07445296b0: Verifying Checksumae07445296b0: Download completeae07445296b0: Pull completef042b21668eb: Pull complete45040ee99e59: Pull complete9ffc20870c04: Pull complete5238c2dafd46: Pull completed98d556ee1fb: Pull completefd7b54172364: Pull completebb0d31b2f870: Pull complete0f27e5b0a211: Pull completee4629b699694: Pull completee80cce26268d: Pull completeDigest: sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bbStatus: Downloaded newer image for ocaml/opam@sha256:c9a78c1c1c51199def01f859dee97442731545f8963dbec1979d2c2db9c959bb2026-04-16 17:43.16 ---> using "423398002419b3482a8b9665338c10f3f6c6b1984e842901c7828810d9f1719f" from cache/: (comment fedora-42-5.4_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (network host)(shell "sudo dnf install -y findutils"))Updating and loading repositories:Fedora 42 - x86_64 - Updates 100% | 51.5 KiB/s | 15.0 KiB | 00m00sFedora 42 - x86_64 100% | 128.9 KiB/s | 22.4 KiB | 00m00sRepositories loaded.Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed.Nothing to do.2026-04-16 17:43.16 ---> using "1427494dc45be5d05dbedbb8c6284d5e83d9273a70f2daf74a61f90a98d0153e" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-04-16 17:43.16 ---> using "19628ecee2b7021c05d076acb8b575d724060ee9d27e8253ec58be2a65f4ddd0" 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 17:43.16 ---> using "00f7701599ad8380429df556869d2f9cb63297eff82a94fac2e05a284e8da899" 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 17:43.16 ---> using "e55eb9acff13ea939a36766f3c838462b852eaadd915ca3606d1a3083dc268bf" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-16 17:43.16 ---> using "6c2e1647892afca68a954ba31371313f5c7a85b2327e123f87d1fdd112f8c4bd" 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 17:43.16 ---> using "018a97b31165807af7fba249152e75da5cdd8f3daf6904b31cabd0ce5b2462c8" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-04-16 17:43.16 ---> saved as "c46234f35db731608c17e2fe2666af9e800922a9b8cf792af20b6b4021d2ec24"/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 17:43.21 ---> saved as "465474d0b85e41c0034755d140e9e11fb6755c9bcab873479dd196b07e5c6407"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-16 17:43.22 ---> saved as "56598d4ec5b3ef0fab8d01b4647bfdf5f70b856ec0f72ec3dc709c0d3e4a24b2"/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-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/sbin/sudo "yum" "makecache"- Updating and loading repositories:- Repositories loaded.- Metadata cache created.<><> 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 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 17:43.45 ---> saved as "8717e3f936a44bbb565a51905676b640a4a9f3f7b10fa3c57c1c847250f218ab"/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 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 mtime.2.1.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved lwt.6.1.1 (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 fmt.0.11.0-> installed mtime.2.1.0-> installed uutf.1.0.4-> 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 ocaml-syntax-shims.1.0.0-> installed re.1.14.0-> installed ocplib-endian.1.2-> installed alcotest.1.9.1-> installed dune-configurator.3.22.2-> installed lwt.6.1.1-> installed logs.0.10.0Done.# To update the current shell environment, run: eval $(opam env)2026-04-16 17:47.20 ---> saved as "684bc45f7e1ec489077d0e540adc67285aa142f569089f6b6e7cf9a6cd0c53bb"/src: (copy (src .) (dst /src))2026-04-16 17:47.21 ---> saved as "5cde76ffe0f24673461f93007011e48b020fcebde481aed855d3f4d69c93cce5"/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 `76IWTRE5'.[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 17:47.23 ---> saved as "ef96faee145c041393bc23a7fa70050b4bd922ff8f1edfbc3a66428a960515b7"Job succeeded2026-04-16 17:47.23: Job succeeded