2026-03-15 16:37.06: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (linux-x86_64:(lower-bound))Base: ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47Opam 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-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47# debian-13-4.08_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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && 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.1.0.1 astring.0.8.3 base-bigarray.base base-bytes.base base-threads.base base-unix.base bigarray-compat.1.0.0 cmdliner.1.0.4 conf-m4.1 cppo.1.6.1 cstruct.6.0.0 dune.2.9.3 fmt.0.8.8 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.4.2.0 mirage-mtime.5.0.0 mmap.1.0.2 mtime.2.1.0 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocamlbuild.0.14.0 ocamlfind.1.8.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8 uuidm.0.9.7"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-BLOCK2026-03-15 16:37.06: Using cache hint "mirage/mirage-flow-ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47-debian-13-4.08_opam-2.5-da222b3e7aa65d22041f4cb7b836513b"2026-03-15 16:37.06: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47)(comment debian-13-4.08_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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && 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.1.0.1 astring.0.8.3 base-bigarray.base base-bytes.base base-threads.base base-unix.base bigarray-compat.1.0.0 cmdliner.1.0.4 conf-m4.1 cppo.1.6.1 cstruct.6.0.0 dune.2.9.3 fmt.0.8.8 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.4.2.0 mirage-mtime.5.0.0 mmap.1.0.2 mtime.2.1.0 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocamlbuild.0.14.0 ocamlfind.1.8.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8 uuidm.0.9.7")(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")))2026-03-15 16:37.06: Waiting for resource in pool OCluster2026-03-15 16:37.06: Waiting for worker…2026-03-15 16:37.07: Got resource from pool OClusterBuilding on doris.caelum.ci.devAll commits already cachedHEAD is now at c0efad0 Merge pull request #53 from hannesm/variants(from ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47)Unable to find image 'ocaml/opam:debian-13-ocaml-4.08@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47' locallydocker.io/ocaml/opam@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47: Pulling from ocaml/opam866771c43bf5: Already exists1e49bea09367: Already existse793768537e6: Already existsed323d3d481a: Already exists7df34a5cd5f1: Already existsfd712d3eb935: Already exists4b9fb8c99118: Already exists9d9a01948b94: Already exists0f1514f90b32: Already existse1ec5a753447: Already exists03cc323e2f71: Already existsc09c08ea9749: Already existsb36b619f8e6b: Already exists195344ca5274: Already exists228ee78582a6: Already exists504bde1c25b3: Already exists9d8b1356c89f: Already exists9d8b1356c89f: Already exists568fb6dda155: Already existsc499c9198aea: Already exists048e5e358118: Already exists871ca48eb45d: Already exists4f4fb700ef54: Already existsa5a2568b9df9: Already exists068cf3106ac8: Already exists559f54ec9b29: Already exists798ffd96fde5: Already existse9a891bf80d7: Already existsd720cfe12674: Already existsc81c932f4a91: Already exists79f24fa3bb11: Already exists8c1debcd8c20: Already exists1bb2cfea7250: Already exists2b3d3ca75e4c: Already exists557cacaf263c: Already existsd10483022eef: Already exists7b62a90d8223: Already exists28ce8ea66e72: Already existsd975909ea717: Already exists5c215c69c247: Already existse7c082452a54: Already existsb7df74d48e36: Pulling fs layer66e3060fde97: Pulling fs layer623e45e1559d: Pulling fs layer9251109c0e89: Pulling fs layer9251109c0e89: Waiting66e3060fde97: Verifying Checksum66e3060fde97: Download complete623e45e1559d: Download complete9251109c0e89: Download completeb7df74d48e36: Verifying Checksumb7df74d48e36: Download completeb7df74d48e36: Pull complete66e3060fde97: Pull complete623e45e1559d: Pull complete9251109c0e89: Pull completeDigest: sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f47Status: Downloaded newer image for ocaml/opam@sha256:048f41796adc21a1c591ba8a7027365f75adbd0cc47a89cb4ad5d856f4815f472026-03-15 16:37.07 ---> using "867303d7f04cee0d3e23016229d2a45a69516628a14dbff52754cd3cb283f66f" from cache/: (comment debian-13-4.08_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"))2026-03-15 16:37.07 ---> using "c7be1a1bf56a9af41378ced74906e3276ce5576096fe479f7bc8725acfbd5123" 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.[NOTE] The 'jobs' option was reset, its value was 71 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:opam option jobs=71 --globalContinue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-03-15 16:37.07 ---> using "ccdab575862d9a949d4903bc8aad034b89b0a05240bdda721b9ce0cce4230d75" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-94-genericThe OCaml toplevel, version 4.08.12.5.02026-03-15 16:37.07 ---> using "f19adf73b8544d8f3f9b81cecf006440779a1d47bca42b32961acb7a712c1b5f" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-03-15 16:37.07 ---> using "edbc028d6daadd2aebe00894d268f0d76ea78071faf901b745bf45b52fda2d76" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADffb54b9bdd..f2e7a221a1 master -> origin/master31462e7d24 Merge pull request #29451 from dra27/relocatable-package<><> 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)2026-03-15 16:37.07 ---> using "b3e02a1ba3f82e7ec96f8d839a408a2515d3bc782ff8f9b3a0a2c3cefea54e28" from cache/src: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam)(dst ./))2026-03-15 16:37.07 ---> saved as "2879a7bdcb7e7ce1245ac494e1aacfe77a2fcfe0a10c22616713b0173c0cac4b"/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)2026-03-15 16:37.11 ---> saved as "dbc158af17b0fc06719a8b27b00aeff9c4ae9873648e0286c8113cb8669257e9"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-03-15 16:37.11 ---> saved as "81e558921c0be72a83604b1721721c5d1b7c4e384f6d248ba584a93e5ec3e46b"/src: (env DEPS "alcotest.1.0.1 astring.0.8.3 base-bigarray.base base-bytes.base base-threads.base base-unix.base bigarray-compat.1.0.0 cmdliner.1.0.4 conf-m4.1 cppo.1.6.1 cstruct.6.0.0 dune.2.9.3 fmt.0.8.8 jbuilder.1.0+beta20.1 logs.0.7.0 lwt.4.2.0 mirage-mtime.5.0.0 mmap.1.0.2 mtime.2.1.0 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-config.1 ocamlbuild.0.14.0 ocamlfind.1.8.0 re.1.7.2 result.1.5 seq.0.3 stdlib-shims.0.1.0 topkg.1.0.8 uuidm.0.9.7")/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"- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]- 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 trixie/main amd64 Packages [9671 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [111 kB]- Fetched 10.0 MB in 6min 21s (26.3 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-config is already installed (current version is 1).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.08.1).[NOTE] Package ocaml is already installed (current version is 4.08.1).[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 system packages will first need to be installed:m4<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4"- Selecting previously unselected package m4.- (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20623 files and directories currently installed.)- Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ...- Unpacking m4 (1.4.19-8) ...- Setting up m4 (1.4.19-8) ...# To update the current shell environment, run: eval $(opam env)2026-03-15 16:43.46 ---> saved as "790f5894128e93cc96fc0a602e3ab467ea2c4edcbf3091b43c5c3bf1c081efcd"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-config is already installed (current version is 1).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.08.1).[NOTE] Package ocaml is already installed (current version is 4.08.1).[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 24 packages- install alcotest 1.0.1- install astring 0.8.3- install base-bytes base- install bigarray-compat 1.0.0- install cmdliner 1.0.4- install conf-m4 1- install cppo 1.6.1- install cstruct 6.0.0- install dune 2.9.3- install fmt 0.8.8- install jbuilder 1.0+beta20.1 (deprecated)- install logs 0.7.0- install lwt 4.2.0- install mirage-mtime 5.0.0- install mmap 1.0.2- install mtime 2.1.0- install ocamlbuild 0.14.0- install ocamlfind 1.8.0- install re 1.7.2- install result 1.5- install seq 0.3- install stdlib-shims 0.1.0- install topkg 1.0.8- install uuidm 0.9.7<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.0.1 (cached)-> retrieved astring.0.8.3 (cached)-> retrieved bigarray-compat.1.0.0 (cached)-> retrieved cppo.1.6.1 (cached)-> retrieved cmdliner.1.0.4 (cached)-> installed conf-m4.1-> retrieved cstruct.6.0.0 (cached)-> retrieved fmt.0.8.8 (cached)-> retrieved logs.0.7.0 (cached)-> retrieved lwt.4.2.0 (cached)-> retrieved jbuilder.1.0+beta20.1 (cached)-> retrieved dune.2.9.3 (cached)-> retrieved mirage-mtime.5.0.0 (cached)-> retrieved mmap.1.0.2 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved ocamlfind.1.8.0 (cached)-> retrieved ocamlbuild.0.14.0 (cached)-> retrieved re.1.7.2 (cached)-> retrieved result.1.5 (cached)-> retrieved seq.0.3 (cached)-> retrieved stdlib-shims.0.1.0 (cached)-> retrieved uuidm.0.9.7 (cached)-> retrieved topkg.1.0.8 (cached)-> installed cmdliner.1.0.4-> installed ocamlfind.1.8.0-> installed base-bytes.base-> installed ocamlbuild.0.14.0-> installed jbuilder.1.0+beta20.1-> installed cppo.1.6.1-> installed re.1.7.2-> installed topkg.1.0.8-> installed dune.2.9.3-> installed mmap.1.0.2-> installed seq.0.3-> installed stdlib-shims.0.1.0-> installed result.1.5-> installed bigarray-compat.1.0.0-> installed uuidm.0.9.7-> installed cstruct.6.0.0-> installed mtime.2.1.0-> installed mirage-mtime.5.0.0-> installed astring.0.8.3-> installed fmt.0.8.8-> installed alcotest.1.0.1-> installed lwt.4.2.0-> installed logs.0.7.0Done.<><> jbuilder.1.0+beta20.1 installed successfully <><><><><><><><><><><><><><><>=> Note: This package is deprecated.# To update the current shell environment, run: eval $(opam env)2026-03-15 16:44.11 ---> saved as "2e6b2ef131557f8341957332217c105934ab9e32cfdc4d9e6adbfda447f024d6"/src: (copy (src .) (dst /src))2026-03-15 16:44.12 ---> saved as "7a676fc05fc93f4ef49cfa04bae9fc3a5c686a4f2a09eeeafe47baaa6998b080"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))File "/home/opam/.opam/4.08/lib/re/re.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.File "/home/opam/.opam/4.08/lib/re/emacs/re.emacs.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.File "/home/opam/.opam/4.08/lib/re/glob/re.glob.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.File "/home/opam/.opam/4.08/lib/re/pcre/re.pcre.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.File "/home/opam/.opam/4.08/lib/re/perl/re.perl.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.File "/home/opam/.opam/4.08/lib/re/posix/re.posix.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.File "/home/opam/.opam/4.08/lib/re/str/re.str.dune", line 1, characters 0-0:Warning: .dune files are ignored since 2.0. Reinstall the library with dune>= 2.0 to get rid of this warning and enable support for the subsystem thislibrary provides.test alias test/runtestTesting mirage-flow.This run has ID `DE8740EC-75FE-46C1-939E-CD8EBF74519F`.... string 0 input. [OK] string 0 input.... string 1 output. [OK] string 1 output.... strings 0 input. [OK] strings 0 input.... strings 1 output. [OK] strings 1 output.... cstruct 0 input. [OK] cstruct 0 input.... cstruct 1 output. [OK] cstruct 1 output.... cstructs 0 input. [OK] cstructs 0 input.... cstructs 1 output. [OK] cstructs 1 output.... lwt-io 0 input. [OK] lwt-io 0 input.... lwt-io 1 output. [OK] lwt-io 1 output.The full test results are available in `/src/_build/default/test/_build/_tests/DE8740EC-75FE-46C1-939E-CD8EBF74519F`.Test Successful in 0.000s. 10 tests run.2026-03-15 16:44.13 ---> saved as "b5b66ea646e99626d07e5a1c20a89147e7e7df0294617d4bd70b854f2ea626bb"Job succeeded2026-03-15 16:44.13: Job succeeded