2026-04-03 11:37.38: New job: test janestreet/spawn https://github.com/janestreet/spawn.git#refs/heads/master (fe3419b0db20819d7a31383544971e48a6dff20a) (macos-arm64:macos-homebrew-5.4_arm64_opam-2.5)Base: macos-homebrew-ocaml-5.4Opam 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 macos-homebrew-ocaml-5.4# macos-homebrew-5.4_arm64_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN 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 ./src/./RUN opam pin add -yn spawn.dev './src/./'RUN echo '(lang dune 3.0)' > './src/./dune-project'ENV DEPS="base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base csexp.1.5.2 dune.3.22.1 dune-configurator.3.22.1 jane-street-headers.v0.17.0 jst-config.v0.17.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppxlib.0.38.0 ppxlib_jane.v0.17.4 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 time_now.v0.17.0"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 cd ./src && 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-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_arm64_opam-2.5-2ea7cb713ef07846dfecc71950ca4608"2026-04-03 11:37.38: Using OBuilder spec:((from macos-homebrew-ocaml-5.4)(comment macos-homebrew-5.4_arm64_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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 ./src/./))(run (network host)(shell "opam pin add -yn spawn.dev './src/./'"))(run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))(env DEPS "base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base csexp.1.5.2 dune.3.22.1 dune-configurator.3.22.1 jane-street-headers.v0.17.0 jst-config.v0.17.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppxlib.0.38.0 ppxlib_jane.v0.17.4 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 time_now.v0.17.0")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y spawn.dev $DEPS"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst ./src))(run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-04-03 11:37.38: Waiting for resource in pool OCluster2026-04-04 15:23.38: Waiting for worker…2026-04-04 20:42.57: Got resource from pool OClusterBuilding on m1-worker-04All commits already cachedHEAD is now at fe3419b Do not require C99 mode for older GCC (#62)(from macos-homebrew-ocaml-5.4)2026-04-04 20:47.21 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache/: (comment macos-homebrew-5.4_arm64_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))2026-04-04 20:47.21 ---> using "0e9d0f8ed44ab1f77ef30c8d8456629e6c63f869a24319cbb64657a84e315111" from cache/: (run (shell "opam init --reinit -ni"))No configuration file found, using 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 /Users/mac1000/.opam from version 2.1 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[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] no changes from git+file:///Users/mac1000/opam-repository2026-04-04 20:47.21 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 5.4.02.5.02026-04-04 20:47.21 ---> using "78e99acc02a52806060d0075d40f6ea681e9ef77eb60ecbbaff6e5155272646b" from cache/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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_HEAD95f7875db7..d28e8bf13a master -> origin/masterd06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///Users/mac1000/opam-repositoryEverything as up-to-date as possibleThe following packages are not being upgraded because the new versions conflict with other installed packages:- ocaml.5.5.0- ocaml-compiler.5.4.1However, 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)2026-04-04 20:47.21 ---> using "1282f226ed6b8369654a3324b4803b27039ef8115d0fc87f58f83cf301e75a16" from cache/: (copy (src spawn.opam) (dst ./src/./))2026-04-04 20:47.23 ---> saved as "0884176c6984122bc57cd3d1f7b63f159c98d1319daae66361148cc36eb552b0"/: (run (network host)(shell "opam pin add -yn spawn.dev './src/./'"))[spawn.dev] synchronised (file:///Users/mac1000/src)spawn is now pinned to file:///Users/mac1000/src (version dev)2026-04-04 20:47.32 ---> saved as "29f381c081aa49e46f5c8013b3103cdc506a15b641398e8e9e97893e96c9cdf4"/: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2026-04-04 20:47.33 ---> saved as "103b902b9e78752bf6b68155afab1ed4f16ac03a09969c7c816695ea117a0fdb"/: (env DEPS "base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base csexp.1.5.2 dune.3.22.1 dune-configurator.3.22.1 jane-street-headers.v0.17.0 jst-config.v0.17.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ppx_assert.v0.17.0 ppx_base.v0.17.0 ppx_cold.v0.17.0 ppx_compare.v0.17.0 ppx_derivers.1.2.1 ppx_enumerate.v0.17.0 ppx_expect.v0.17.3 ppx_globalize.v0.17.2 ppx_hash.v0.17.0 ppx_here.v0.17.0 ppx_inline_test.v0.17.1 ppx_optcomp.v0.17.1 ppx_sexp_conv.v0.17.1 ppxlib.0.38.0 ppxlib_jane.v0.17.4 sexplib0.v0.17.0 stdio.v0.17.0 stdlib-shims.0.3.0 time_now.v0.17.0")/: (env CI true)/: (env OCAMLCI true)/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y spawn.dev $DEPS"))+ /opt/homebrew/bin/brew "update"- ==> Updating Homebrew...- Already up-to-date.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[spawn.dev] synchronised (file:///Users/mac1000/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 5.4.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[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)2026-04-04 20:47.53 ---> saved as "cebdb50e6bcef3e751deda32c296b1127e014b27bf3f49e6ed67a29a00931331"/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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 5.4.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[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 27 packages- install base v0.17.3- install csexp 1.5.2- install dune 3.22.1- install dune-configurator 3.22.1- install jane-street-headers v0.17.0- install jst-config v0.17.0- install ocaml-compiler-libs v0.17.0- install ocaml_intrinsics_kernel v0.17.1- install ppx_assert v0.17.0- install ppx_base v0.17.0- install ppx_cold v0.17.0- install ppx_compare v0.17.0- install ppx_derivers 1.2.1- install ppx_enumerate v0.17.0- install ppx_expect v0.17.3- install ppx_globalize v0.17.2- install ppx_hash v0.17.0- install ppx_here v0.17.0- install ppx_inline_test v0.17.1- install ppx_optcomp v0.17.1- install ppx_sexp_conv v0.17.1- install ppxlib 0.38.0- install ppxlib_jane v0.17.4- install sexplib0 v0.17.0- install stdio v0.17.0- install stdlib-shims 0.3.0- install time_now v0.17.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved csexp.1.5.2 (cached)-> retrieved base.v0.17.3 (cached)-> retrieved jane-street-headers.v0.17.0 (cached)-> retrieved jst-config.v0.17.0 (cached)-> retrieved ocaml-compiler-libs.v0.17.0 (cached)-> retrieved ocaml_intrinsics_kernel.v0.17.1 (cached)-> retrieved ppx_assert.v0.17.0 (cached)-> retrieved ppx_base.v0.17.0 (cached)-> retrieved ppx_cold.v0.17.0 (cached)-> retrieved ppx_compare.v0.17.0 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved ppx_enumerate.v0.17.0 (cached)-> retrieved ppx_globalize.v0.17.2 (cached)-> retrieved ppx_hash.v0.17.0 (cached)-> retrieved ppx_expect.v0.17.3 (cached)-> retrieved ppx_here.v0.17.0 (cached)-> retrieved ppx_inline_test.v0.17.1 (cached)-> retrieved ppx_optcomp.v0.17.1 (cached)-> retrieved ppx_sexp_conv.v0.17.1 (cached)-> retrieved ppxlib_jane.v0.17.4 (cached)-> retrieved sexplib0.v0.17.0 (cached)-> retrieved stdio.v0.17.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved time_now.v0.17.0 (cached)-> retrieved ppxlib.0.38.0 (cached)-> retrieved dune.3.22.1, dune-configurator.3.22.1 (cached)-> installed dune.3.22.1-> installed jane-street-headers.v0.17.0-> installed ppx_derivers.1.2.1-> installed csexp.1.5.2-> installed stdlib-shims.0.3.0-> installed sexplib0.v0.17.0-> installed ocaml_intrinsics_kernel.v0.17.1-> installed ocaml-compiler-libs.v0.17.0-> installed dune-configurator.3.22.1-> installed base.v0.17.3-> installed stdio.v0.17.0-> installed ppxlib.0.38.0-> installed ppx_here.v0.17.0-> installed ppx_cold.v0.17.0-> installed ppx_optcomp.v0.17.1-> installed ppxlib_jane.v0.17.4-> installed ppx_enumerate.v0.17.0-> installed ppx_globalize.v0.17.2-> installed ppx_compare.v0.17.0-> installed ppx_sexp_conv.v0.17.1-> installed ppx_hash.v0.17.0-> installed ppx_assert.v0.17.0-> installed ppx_base.v0.17.0-> installed jst-config.v0.17.0-> installed time_now.v0.17.0-> installed ppx_inline_test.v0.17.1-> installed ppx_expect.v0.17.3Done.# To update the current shell environment, run: eval $(opam env)2026-04-04 20:49.03 ---> saved as "0cb27e6fe474b7c80ac0aeb2f798e0672c35a32cd4513cdb289e680fa03721df"/: (copy (src .) (dst ./src))2026-04-04 20:49.04 ---> saved as "0787073a009458546f4e48c41b716010b266405cb55d6dea1afa1d278ae63a1e"/: (run (shell "cd ./src && 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/env" "bash" "-c" "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-04-04 20:49.10: Job failed: Failed: Build failed