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@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee Opam project build To reproduce locally: git clone --recursive "https://github.com/janestreet/spawn.git" -b "master" && cd "spawn" && git reset --hard fe3419b0 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.14@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee # debian-13-4.14_arm32_opam-2.5 USER 1000:1000 SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ] ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN 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 --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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-03 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 OCluster 2026-04-03 13:50.11: Waiting for worker… 2026-04-03 14:07.10: Got resource from pool OCluster Building on okypous.caelum.ci.dev All commits already cached HEAD 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' locally docker.io/ocaml/opam@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee: Pulling from ocaml/opam e7e4c87ce695: Already exists 098244b1fe4f: Already exists 94a818ec2cdc: Already exists 29e77b813c7f: Already exists b9dc986333a7: Already exists 023a3b8ea315: Already exists 2684ea5ea2fe: Already exists 93c319c970b2: Already exists 03f63d243d48: Already exists 237874024f5b: Already exists 954f264158bf: Already exists 85f6eb6723bd: Already exists 2882e9da3bb0: Already exists 4aabbd87a4c4: Already exists 4f386ee1e947: Already exists 76eac5355b1e: Already exists 7732af2249d2: Already exists 0864fc6233a3: Already exists 74a602ddff51: Already exists eff8656d1a08: Already exists 480ead97e7de: Already exists 71d9c83b5938: Already exists 4f4fb700ef54: Already exists 46ffbb314b18: Already exists 9ad678cce639: Already exists cee0ad8655f3: Already exists d7a6444c98ec: Already exists fb7ac70d48b8: Already exists 9e9d8c0fc63b: Already exists 4fd15bd8b00c: Already exists cfb25ffd51ce: Already exists a1d4a67b1423: Already exists b5f05950c5d7: Already exists ffaeb3c9d76d: Already exists 4c3b6722757e: Already exists 0f58a95c7a9b: Already exists c3e40142c411: Already exists 7f8475cb6605: Already exists 05a50efaf303: Already exists 6b01dec062a8: Already exists 9fd1e9989233: Already exists 433ff276b12f: Pulling fs layer efd9b50fadc4: Pulling fs layer d1391430121a: Pulling fs layer f656d97c5aae: Pulling fs layer f656d97c5aae: Waiting efd9b50fadc4: Verifying Checksum efd9b50fadc4: Download complete d1391430121a: Download complete f656d97c5aae: Verifying Checksum f656d97c5aae: Download complete 433ff276b12f: Verifying Checksum 433ff276b12f: Download complete 433ff276b12f: Pull complete efd9b50fadc4: Pull complete d1391430121a: Pull complete f656d97c5aae: Pull complete Digest: sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee Status: Downloaded newer image for ocaml/opam@sha256:240308a5d75926948dbd1ab448e6f5b34c6a57e65a302c58d266a8b73278c8ee 2026-04-03 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] y 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. Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-03 14:07.10 ---> using "52062abc9754f2f7adbcdae53513e4f1235a1be0e687b9206e441a5dd0e48602" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-90-generic The OCaml toplevel, version 4.14.2 2.5.0 2026-04-03 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_HEAD ffb54b9bdd..d06cfb1853 master -> origin/master d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything 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.v0.16.1 Done. # 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 1 2026-04-03 14:09.06: Job failed: Failed: Build failed