2026-04-03 11:37.38: New job: test janestreet/spawn https://github.com/janestreet/spawn.git#refs/heads/master (fe3419b0db20819d7a31383544971e48a6dff20a) (linux-arm64:debian-13-4.14_arm32_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8eeOpam project buildTo reproduce locally:git clone --recursive "https://github.com/janestreet/spawn.git" -b "master" && cd "spawn" && git reset --hard fe3419b0cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee# debian-13-4.14_arm32_opam-2.5USER 1000:1000SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]ENV 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 spawn.opam ./RUN opam pin add -yn spawn.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base.v0.16.4 base-bigarray.base base-threads.base base-unix.base csexp.1.5.2 dune.3.22.1 dune-configurator.3.22.1 jane-street-headers.v0.16.0 jst-config.v0.16.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ppx_assert.v0.16.0 ppx_base.v0.16.0 ppx_cold.v0.16.0 ppx_compare.v0.16.0 ppx_derivers.1.2.1 ppx_enumerate.v0.16.0 ppx_expect.v0.16.1 ppx_globalize.v0.16.0 ppx_hash.v0.16.0 ppx_here.v0.16.0 ppx_inline_test.v0.16.1 ppx_optcomp.v0.16.0 ppx_sexp_conv.v0.16.0 ppxlib.0.35.0 re.1.14.0 sexplib0.v0.16.0 stdio.v0.16.0 stdlib-shims.0.3.0 time_now.v0.16.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y spawn.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-03 11:37.38: Using cache hint "janestreet/spawn-ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee-debian-13-4.14_arm32_opam-2.5-a823e6192f4361104f78962eb8f4573a"2026-04-03 11:37.38: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee)(comment debian-13-4.14_arm32_opam-2.5)(user (uid 1000) (gid 1000))(shell /usr/bin/linux32 /bin/sh -c)(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 spawn.opam) (dst ./))(run (network host)(shell "opam pin add -yn spawn.dev './'"))(run (shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base.v0.16.4 base-bigarray.base base-threads.base base-unix.base csexp.1.5.2 dune.3.22.1 dune-configurator.3.22.1 jane-street-headers.v0.16.0 jst-config.v0.16.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ppx_assert.v0.16.0 ppx_base.v0.16.0 ppx_cold.v0.16.0 ppx_compare.v0.16.0 ppx_derivers.1.2.1 ppx_enumerate.v0.16.0 ppx_expect.v0.16.1 ppx_globalize.v0.16.0 ppx_hash.v0.16.0 ppx_here.v0.16.0 ppx_inline_test.v0.16.1 ppx_optcomp.v0.16.0 ppx_sexp_conv.v0.16.0 ppxlib.0.35.0 re.1.14.0 sexplib0.v0.16.0 stdio.v0.16.0 stdlib-shims.0.3.0 time_now.v0.16.0")(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 spawn.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")))2026-04-03 11:37.38: Waiting for resource in pool OCluster2026-04-03 13:50.11: Waiting for worker…2026-04-03 14:07.10: Got resource from pool OClusterBuilding on okypous.caelum.ci.devAll commits already cachedHEAD is now at fe3419b Do not require C99 mode for older GCC (#62)(from ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee)Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee' locallydocker.io/ocaml/opam@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee: Pulling from ocaml/opame7e4c87ce695: Already exists098244b1fe4f: Already exists94a818ec2cdc: Already exists29e77b813c7f: Already existsb9dc986333a7: Already exists023a3b8ea315: Already exists2684ea5ea2fe: Already exists93c319c970b2: Already exists03f63d243d48: Already exists237874024f5b: Already exists954f264158bf: Already exists85f6eb6723bd: Already exists2882e9da3bb0: Already exists4aabbd87a4c4: Already exists4f386ee1e947: Already exists76eac5355b1e: Already exists7732af2249d2: Already exists0864fc6233a3: Already exists74a602ddff51: Already existseff8656d1a08: Already exists480ead97e7de: Already exists71d9c83b5938: Already exists4f4fb700ef54: Already exists46ffbb314b18: Already exists9ad678cce639: Already existscee0ad8655f3: Already existsd7a6444c98ec: Already existsfb7ac70d48b8: Already exists9e9d8c0fc63b: Already exists4fd15bd8b00c: Already existscfb25ffd51ce: Already existsa1d4a67b1423: Already existsb5f05950c5d7: Already existsffaeb3c9d76d: Already exists4c3b6722757e: Already exists0f58a95c7a9b: Already existsc3e40142c411: Already exists7f8475cb6605: Already exists05a50efaf303: Already exists6b01dec062a8: Already exists9fd1e9989233: Already exists433ff276b12f: Pulling fs layerefd9b50fadc4: Pulling fs layerd1391430121a: Pulling fs layerf656d97c5aae: Pulling fs layerf656d97c5aae: Waitingefd9b50fadc4: Verifying Checksumefd9b50fadc4: Download completed1391430121a: Download completef656d97c5aae: Verifying Checksumf656d97c5aae: Download complete433ff276b12f: Verifying Checksum433ff276b12f: Download complete433ff276b12f: Pull completeefd9b50fadc4: Pull completed1391430121a: Pull completef656d97c5aae: Pull completeDigest: sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8eeStatus: Downloaded newer image for ocaml/opam@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee2026-04-03 14:07.10 ---> using "877ed5cf0a98c815bb2e7ba009eecea1fd1a0ff506ee70a6bbbdb6e441d64adc" from cache/: (comment debian-13-4.14_arm32_opam-2.5)/: (user (uid 1000) (gid 1000))/: (shell /usr/bin/linux32 /bin/sh -c)/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-04-03 14:07.10 ---> using "80364e7ea3205efd59b6cbc366965d6fdeadf26970763d3042667a502d2bbf01" 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 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Format upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-03 14:07.10 ---> using "52062abc9754f2f7adbcdae53513e4f1235a1be0e687b9206e441a5dd0e48602" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 4.14.22.5.02026-04-03 14:07.10 ---> using "fa12169a33bbc70a6fa9176fcc7359a2140c5372c9c0bec86cfe85c767ebe583" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-03 14:07.10 ---> using "714c205c6aa9a3a01f77892c73cd70f2e82e79a2d5dd8150eb0263fd0a8a8c7f" 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"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADffb54b9bdd..d06cfb1853 master -> origin/masterd06cfb1853 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)2026-04-03 14:07.10 ---> using "f157fc357df2b8e0cb7b460e279162a775424d0c0ad911c9895a82f5aec92f7a" from cache/src: (copy (src spawn.opam) (dst ./))2026-04-03 14:07.11 ---> saved as "b6b381b695a623fa3f4fd22abff7c95f25e44277f6785f894b69f229f463b911"/src: (run (network host)(shell "opam pin add -yn spawn.dev './'"))[spawn.dev] synchronised (file:///src)spawn is now pinned to file:///src (version dev)2026-04-03 14:07.13 ---> saved as "dbe2f3de8df5a522eda63eb97c3a90181c8d80a95b73e5dd5782e57175bc51db"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-03 14:07.13 ---> saved as "9d586fd5f3d291adf3f3b2262fe6e1ac7cb4e47a0b1a58b4514207b1ff7ad5ec"/src: (env DEPS "base.v0.16.4 base-bigarray.base base-threads.base base-unix.base csexp.1.5.2 dune.3.22.1 dune-configurator.3.22.1 jane-street-headers.v0.16.0 jst-config.v0.16.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ppx_assert.v0.16.0 ppx_base.v0.16.0 ppx_cold.v0.16.0 ppx_compare.v0.16.0 ppx_derivers.1.2.1 ppx_enumerate.v0.16.0 ppx_expect.v0.16.1 ppx_globalize.v0.16.0 ppx_hash.v0.16.0 ppx_here.v0.16.0 ppx_inline_test.v0.16.1 ppx_optcomp.v0.16.0 ppx_sexp_conv.v0.16.0 ppxlib.0.35.0 re.1.14.0 sexplib0.v0.16.0 stdio.v0.16.0 stdlib-shims.0.3.0 time_now.v0.16.0")/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 spawn.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 armhf Packages [9237 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main armhf Packages [114 kB]- Fetched 9582 kB in 2s (6223 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[spawn.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)2026-04-03 14:07.25 ---> saved as "8aac286f3fece86c285c6838ffa2caa67f8e734d42f022b10bdce555b7ad7c45"/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 26 packages- install base v0.16.4- install csexp 1.5.2- install dune 3.22.1- install dune-configurator 3.22.1- install jane-street-headers v0.16.0- install jst-config v0.16.0- install ocaml-compiler-libs v0.12.4- install ppx_assert v0.16.0- install ppx_base v0.16.0- install ppx_cold v0.16.0- install ppx_compare v0.16.0- install ppx_derivers 1.2.1- install ppx_enumerate v0.16.0- install ppx_expect v0.16.1- install ppx_globalize v0.16.0- install ppx_hash v0.16.0- install ppx_here v0.16.0- install ppx_inline_test v0.16.1- install ppx_optcomp v0.16.0- install ppx_sexp_conv v0.16.0- install ppxlib 0.35.0- install re 1.14.0- install sexplib0 v0.16.0- install stdio v0.16.0- install stdlib-shims 0.3.0- install time_now v0.16.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved base.v0.16.4 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved jane-street-headers.v0.16.0 (cached)-> retrieved jst-config.v0.16.0 (cached)-> retrieved ocaml-compiler-libs.v0.12.4 (cached)-> retrieved ppx_assert.v0.16.0 (cached)-> retrieved ppx_base.v0.16.0 (cached)-> retrieved ppx_cold.v0.16.0 (cached)-> retrieved ppx_compare.v0.16.0 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved ppx_enumerate.v0.16.0 (cached)-> retrieved ppx_globalize.v0.16.0 (cached)-> retrieved ppx_expect.v0.16.1 (cached)-> retrieved ppx_hash.v0.16.0 (cached)-> retrieved ppx_here.v0.16.0 (cached)-> retrieved ppx_inline_test.v0.16.1 (cached)-> retrieved ppx_optcomp.v0.16.0 (cached)-> retrieved ppx_sexp_conv.v0.16.0 (cached)-> retrieved dune.3.22.1, dune-configurator.3.22.1 (cached)-> retrieved ppxlib.0.35.0 (cached)-> retrieved re.1.14.0 (cached)-> retrieved sexplib0.v0.16.0 (cached)-> retrieved stdio.v0.16.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved time_now.v0.16.0 (cached)-> installed dune.3.22.1-> installed jane-street-headers.v0.16.0-> installed ppx_derivers.1.2.1-> installed stdlib-shims.0.3.0-> installed csexp.1.5.2-> installed ocaml-compiler-libs.v0.12.4-> installed re.1.14.0-> installed sexplib0.v0.16.0-> installed dune-configurator.3.22.1-> installed base.v0.16.4-> installed stdio.v0.16.0-> installed ppxlib.0.35.0-> installed ppx_globalize.v0.16.0-> installed ppx_cold.v0.16.0-> installed ppx_here.v0.16.0-> installed ppx_optcomp.v0.16.0-> installed ppx_enumerate.v0.16.0-> installed ppx_compare.v0.16.0-> installed ppx_sexp_conv.v0.16.0-> installed ppx_hash.v0.16.0-> installed ppx_assert.v0.16.0-> installed ppx_base.v0.16.0-> installed jst-config.v0.16.0-> installed time_now.v0.16.0-> installed ppx_inline_test.v0.16.1-> installed ppx_expect.v0.16.1Done.# To update the current shell environment, run: eval $(opam env)2026-04-03 14:09.03 ---> saved as "3903317b400c321d49f936ef3be33ebee37fa02b70ddd98010e3d71879bbc609"/src: (copy (src .) (dst /src))2026-04-03 14:09.03 ---> saved as "8971610e5644fead20314077e53f622ce327082581da078776e4f72db1ab459c"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))File "bench/dune", line 5, characters 7-16:5 | (pps ppx_bench)))^^^^^^^^^Error: Library "ppx_bench" not found.-> required by _build/default/bench/.merlin-conf/lib-spawn_bench-> required by alias bench/check"/usr/bin/linux32" "/bin/sh" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-04-03 14:09.06: Job failed: Failed: Build failed