2026-06-26 09:18.53: New job: test mirage/arp https://github.com/mirage/arp.git#refs/heads/main (f277edb7ee0be8a9ec7b78d632c168db7f382b1d) (linux-s390x:debian-13-5.5_s390x_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.5@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93Opam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/arp.git" -b "main" && cd "arp" && git reset --hard f277edb7cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.5@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93# debian-13-5.5_s390x_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 10b9bc82426ac6d613a21b70509373ed5b785d42 || git fetch origin master) && git reset -q --hard 10b9bc82426ac6d613a21b70509373ed5b785d42 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --chown=1000:1000 arp.opam ./RUN opam pin add -yn arp.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 bos.0.3.0 cmdliner.2.1.1 compiler-cloning.enabled cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-name.0.5.0 dune.3.23.1 dune-configurator.3.23.1 duration.0.3.1 ethernet.3.2.0 fmt.0.11.0 fpath.0.7.3 ipaddr.5.6.2 logs.0.10.0 lru.0.3.1 lwt.6.1.2 macaddr.5.6.2 mirage-net.4.0.0 mirage-sleep.4.1.0 mirage-vnetif.0.6.2 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 psq.0.2.1 re.1.14.0 rresult.0.7.0 seq.base 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 arp.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-26 09:18.53: Using cache hint "mirage/arp-ocaml/opam:debian-13-ocaml-5.5@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93-debian-13-5.5_s390x_opam-2.5-4cf831a407d2bdca6c02153584c73507"2026-06-26 09:18.53: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.5@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93)(comment debian-13-5.5_s390x_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 (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 10b9bc82426ac6d613a21b70509373ed5b785d42 || git fetch origin master) && git reset -q --hard 10b9bc82426ac6d613a21b70509373ed5b785d42 && git log --no-decorate -n1 --oneline"))(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 "opam update -u"))(copy (src arp.opam) (dst ./))(run (network host)(shell "opam pin add -yn arp.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 bos.0.3.0 cmdliner.2.1.1 compiler-cloning.enabled cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-name.0.5.0 dune.3.23.1 dune-configurator.3.23.1 duration.0.3.1 ethernet.3.2.0 fmt.0.11.0 fpath.0.7.3 ipaddr.5.6.2 logs.0.10.0 lru.0.3.1 lwt.6.1.2 macaddr.5.6.2 mirage-net.4.0.0 mirage-sleep.4.1.0 mirage-vnetif.0.6.2 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 psq.0.2.1 re.1.14.0 rresult.0.7.0 seq.base 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 arp.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")))2026-06-26 09:18.53: Waiting for resource in pool OCluster2026-06-26 16:59.59: Waiting for worker…2026-06-26 22:29.48: Got resource from pool OClusterBuilding on s390x-worker-01.marist.ci.devAll commits already cachedHEAD is now at f277edb changes for 4.1.0(from ocaml/opam:debian-13-ocaml-5.5@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93)Unable to find image 'ocaml/opam:debian-13-ocaml-5.5@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93' locallydocker.io/ocaml/opam@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93: Pulling from ocaml/opamDigest: sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f93Status: Downloaded newer image for ocaml/opam@sha256:a3c361d41f5d9072a8290fdea09a2cddb10f92d67636c6d392d5fa6785df4f932026-06-26 22:29.48 ---> using "6e5b54dd1935b0c77c118cfda9c51d107e34c4a1764a70e7713cac6a3378dfa6" from cache/: (comment debian-13-5.5_s390x_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"))2026-06-26 22:29.48 ---> using "6a3f84517ed7476908d9ce238b163ae349e6af38695b38e799b0953c5c5ba07b" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 10b9bc82426ac6d613a21b70509373ed5b785d42 || git fetch origin master) && git reset -q --hard 10b9bc82426ac6d613a21b70509373ed5b785d42 && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADb85f65c75d..10b9bc8242 master -> origin/master10b9bc8242 Merge pull request #30143 from shonfeder/bound-on-dune-3-242026-06-26 22:29.48 ---> using "f5f77d8252615c10c2f3384754bfd50730cde4661d70700c01ba34d3373ecdff" 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] yThis version of opam requires an update to the layout of /home/opam/.opam from version 2.1 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 1 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=1 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-26 22:29.48 ---> using "ec3f554b8f1be563ec386839b2276586c7c8d2b8a1eb826f9f27a33d2ee5d30b" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 5.5.02.5.12026-06-26 22:29.48 ---> using "7360712309ae9575a7c2ee80ec8bd2f39aad16100e324a1af7dda791c7bb9ceb" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-26 22:29.48 ---> using "98a88cad6cecdeb179194de8e40e3f302a97a5604645e5d6e873da3e465e9117" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///home/opam/opam-repositoryThe following actions will be performed:=== recompile 7 packages- recompile base-domains base [uses ocaml]- recompile base-effects base [uses ocaml]- recompile base-nnp base [uses base-domains]- recompile ocaml 5.5.0 [uses ocaml-base-compiler]- recompile ocaml-base-compiler 5.5.0 (pinned) [uses ocaml-compiler]- recompile ocaml-compiler 5.5.0 [upstream or system changes]- recompile opam-depext 1.2.3 [uses ocaml]=== install 1 package- install compiler-cloning enabled [required by ocaml-compiler]<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved ocaml.5.5.0 (cached)-> removed base-effects.base-> removed base-nnp.base-> removed base-domains.base-> installed compiler-cloning.enabled-> retrieved ocaml-compiler.5.5.0 (cached)-> retrieved opam-depext.1.2.3 (cached)-> removed opam-depext.1.2.3-> removed ocaml.5.5.0-> removed ocaml-base-compiler.5.5.0-> removed ocaml-compiler.5.5.0-> installed ocaml-compiler.5.5.0-> installed ocaml-base-compiler.5.5.0-> installed ocaml.5.5.0-> installed base-domains.base-> installed base-effects.base-> installed base-nnp.base-> installed opam-depext.1.2.3Done.<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead<><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><>=> This switch had to be compiled from sources, but future switches with the 🐌same compiler version and configuration should assemble instantly.# To update the current shell environment, run: eval $(opam env)2026-06-26 22:29.48 ---> using "e3001eb03e11a44c4b85ca53740c879acf3ebb42f1717bb6fb76f48dec730d3d" from cache/src: (copy (src arp.opam) (dst ./))2026-06-26 22:29.55 ---> saved as "5062aad41302d044ff34c795e9d121af489af393a55f2324a28f011537a840d3"/src: (run (network host)(shell "opam pin add -yn arp.dev './'"))[arp.dev] synchronised (file:///src)arp is now pinned to file:///src (version dev)2026-06-26 22:29.59 ---> saved as "d5b8806b1e4c22cd6541bdede0b804d83bb53527e6f60a9fcff60f14fbd8204d"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-26 22:30.01 ---> saved as "48cd28c0514dff5b1ae6f5d560749a6f76133638f9a9ac32617ccde240d12b5b"/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 bos.0.3.0 cmdliner.2.1.1 compiler-cloning.enabled cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-name.0.5.0 dune.3.23.1 dune-configurator.3.23.1 duration.0.3.1 ethernet.3.2.0 fmt.0.11.0 fpath.0.7.3 ipaddr.5.6.2 logs.0.10.0 lru.0.3.1 lwt.6.1.2 macaddr.5.6.2 mirage-net.4.0.0 mirage-sleep.4.1.0 mirage-vnetif.0.6.2 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 psq.0.2.1 re.1.14.0 rresult.0.7.0 seq.base 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 arp.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 s390x Packages [213 kB]- Fetched 303 kB in 0s (858 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[arp.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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)2026-06-26 22:30.12 ---> saved as "342b925d8a2a62c85bdd33cb811dec83c78e5e61216bdf577e630baba3d1e5ef"/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-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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 34 packages- install alcotest 1.9.1- install astring 0.8.5- install base-bytes base- install bos 0.3.0- install cmdliner 2.1.1- install cppo 1.8.0- install csexp 1.5.2- install cstruct 6.2.0- install domain-name 0.5.0- install dune 3.23.1- install dune-configurator 3.23.1- install duration 0.3.1- install ethernet 3.2.0- install fmt 0.11.0- install fpath 0.7.3- install ipaddr 5.6.2- install logs 0.10.0- install lru 0.3.1- install lwt 6.1.2- install macaddr 5.6.2- install mirage-net 4.0.0- install mirage-sleep 4.1.0- install mirage-vnetif 0.6.2- install ocaml-syntax-shims 1.0.0- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install psq 0.2.1- install re 1.14.0- install rresult 0.7.0- install seq base- 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 bos.0.3.0 (cached)-> retrieved cmdliner.2.1.1 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved cstruct.6.2.0 (cached)-> retrieved domain-name.0.5.0 (cached)-> retrieved duration.0.3.1 (cached)-> retrieved ethernet.3.2.0 (cached)-> retrieved fmt.0.11.0 (cached)-> retrieved fpath.0.7.3 (cached)-> retrieved ipaddr.5.6.2, macaddr.5.6.2 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved lru.0.3.1 (cached)-> retrieved lwt.6.1.2 (cached)-> retrieved mirage-net.4.0.0 (cached)-> retrieved mirage-sleep.4.1.0 (cached)-> retrieved mirage-vnetif.0.6.2 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved dune.3.23.1, dune-configurator.3.23.1 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved psq.0.2.1 (cached)-> retrieved seq.base (cached)-> retrieved re.1.14.0 (cached)-> retrieved rresult.0.7.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved uutf.1.0.4 (cached)-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed cmdliner.2.1.1-> installed ocamlbuild.0.16.1-> installed seq.base-> installed topkg.1.1.1-> installed fmt.0.11.0-> installed astring.0.8.5-> installed rresult.0.7.0-> installed uutf.1.0.4-> installed fpath.0.7.3-> installed dune.3.23.1-> installed csexp.1.5.2-> installed cstruct.6.2.0-> installed domain-name.0.5.0-> installed cppo.1.8.0-> installed duration.0.3.1-> installed macaddr.5.6.2-> installed ocaml-syntax-shims.1.0.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.23.1-> installed ipaddr.5.6.2-> installed psq.0.2.1-> installed stdlib-shims.0.3.0-> installed lru.0.3.1-> installed re.1.14.0-> installed alcotest.1.9.1-> installed lwt.6.1.2-> installed mirage-net.4.0.0-> installed mirage-sleep.4.1.0-> installed logs.0.10.0-> installed ethernet.3.2.0-> installed mirage-vnetif.0.6.2-> installed bos.0.3.0Done.# To update the current shell environment, run: eval $(opam env)2026-06-26 22:33.08 ---> saved as "f3d59683fc84ca6d4738cfbed2b57e61efa65cde893d9a1bc761d05aa5a78ad1"/src: (copy (src .) (dst /src))2026-06-26 22:33.34 ---> saved as "472051535dffe63360e89c49b987d0cd8d006cf989faa8203ffcb0014ed59d66"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test && ./tests.exe)Testing `ARP tests'.This run has ID `QZ5H58Z9'.[OK] Coder 0 valid arp decoding.[OK] Coder 1 unhandled arp decoding.[OK] Coder 2 short arp decoding.[OK] Coder 3 invalid operation decoding.[OK] Coder 4 decoding is inverse of encoding.[OK] Coder 5 encode_into works.[OK] Coder 6 encode_into fails with small bufs.[OK] Handler 0 create raises.[OK] Handler 1 basic tests.[OK] Handler 2 remove test.[OK] Handler 3 remove no test.[OK] Handler 4 alias test.[OK] Handler 5 alias remove test.[OK] Handler 6 static test.[OK] Handler 7 static alias test.[OK] Handler 8 more tests.[OK] Handler 9 handle good.[OK] Handler 10 handle generates req.[OK] Handler 11 handle generates req, next doesn't.[OK] Handler 12 alias wakes.[OK] Handler 13 static wakes.[OK] Handler 14 handle timeout.[OK] Handler 15 request send before timeout.[OK] Handler 16 multiple requests are send.[OK] Handler 17 multiple requests are send 2.[OK] Handler 18 handle reply.[OK] Handler 19 handle garp.[OK] Handler 20 answers broadcast request.[OK] Handler 21 answers unicast request.[OK] Handler 22 not answering random request.[OK] Handler 23 ignoring random.[OK] Handler 24 reply does not harm static entries.[OK] Handler 25 reply is in cache.[OK] Handler 26 dynamic entry can be queried.[OK] Handler 27 reply times out.[OK] Handler 28 dynamic entry overriden by same.[OK] Handler 29 dynamic entry overriden by other.[OK] Handler 30 dynamic entry is not advertised.[OK] Handler 31 reply wakes tasks.Full test results in `/src/_build/default/test/_build/_tests/ARP tests'.Test Successful in 0.071s. 39 tests run.(cd _build/default/test/mirage && ./tests.exe)Testing `arp'.This run has ID `UHQWUAX0'.[OK] arp 0 conversions neither lose nor gain information.[OK] arp 1 nonsense requests are ignored.[OK] arp 2 requests are responded to.[OK] arp 3 entries expire.[OK] arp 4 irrelevant requests are ignored.[OK] arp 5 set_ip sets ip, sends GARP.[OK] arp 6 add_ip, get_ip and remove_ip as advertised.[OK] arp 7 GARPs are heard and not cached.[OK] arp 8 unsolicited unicast replies are heard and no...[OK] arp 9 solicited unicast replies resolve pending th...[OK] arp 10 entries are replaced with new information.[OK] arp 11 unreachable IPs time out.[OK] arp 12 queries are tried repeatedly before timing out.Full test results in `/src/_build/default/test/mirage/_build/_tests/arp'.Test Successful in 5.806s. 13 tests run.2026-06-26 22:34.07 ---> saved as "0ce0602f3738cac656df440b605bce28082b99396036c17f56e32a821f1e568c"Job succeeded2026-06-26 22:34.08: Job succeeded