2026-04-03 12:25.38: New job: test ocaml-multicore/lwt_eio https://github.com/ocaml-multicore/lwt_eio.git#refs/heads/master (aeced087ef3d7321938db12d27327eab69d972af) (macos-x86_64:macos-homebrew-5.4_opam-2.5) Base: macos-homebrew-ocaml-5.4 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/lwt_eio.git" -b "master" && cd "lwt_eio" && git reset --hard aeced087 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-5.4 # macos-homebrew-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version 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 lwt_eio.opam ./src/./ RUN opam pin add -yn lwt_eio.dev './src/./' RUN echo '(lang dune 3.0)' > './src/./dune-project' ENV DEPS="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 bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.1 dune-configurator.3.22.1 eio.1.3 eio_main.1.3 eio_posix.1.3 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y lwt_eio.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . ./src RUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-03 12:25.38: Using cache hint "ocaml-multicore/lwt_eio-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_opam-2.5-ff41a790ca3cfd74691fac42d70c0e4c" 2026-04-03 12:25.38: Using OBuilder spec: ((from macos-homebrew-ocaml-5.4) (comment macos-homebrew-5.4_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 lwt_eio.opam) (dst ./src/./)) (run (network host) (shell "opam pin add -yn lwt_eio.dev './src/./'")) (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) (env DEPS "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 bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.1 dune-configurator.3.22.1 eio.1.3 eio_main.1.3 eio_posix.1.3 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1") (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 lwt_eio.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 12:25.38: Waiting for resource in pool OCluster 2026-04-03 12:25.38: Waiting for worker… 2026-04-03 12:35.35: Got resource from pool OCluster Building on i7-worker-02 HEAD is now at 60bd688 update scheduling test HEAD is now at aeced08 Merge pull request #31 from raphael-proust/lwt6-compat (from macos-homebrew-ocaml-5.4) 2026-04-03 12:35.37 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache /: (comment macos-homebrew-5.4_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")) 2026-04-03 12:35.38 ---> 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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///Users/mac1000/opam-repository 2026-04-03 12:35.38 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 5.4.0 2.5.0 2026-04-03 12:35.38 ---> 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_HEAD 4c9d80b731..2a4b439041 master -> origin/master d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.4.1 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 12:35.39 ---> using "1282f226ed6b8369654a3324b4803b27039ef8115d0fc87f58f83cf301e75a16" from cache /: (copy (src lwt_eio.opam) (dst ./src/./)) 2026-04-03 12:35.40 ---> saved as "95c731fb04df8d6c0a86d32aa6f4cbdb7cec052c8101848b362f1fa80eb676d4" /: (run (network host) (shell "opam pin add -yn lwt_eio.dev './src/./'")) [lwt_eio.dev] synchronised (file:///Users/mac1000/src) lwt_eio is now pinned to file:///Users/mac1000/src (version dev) 2026-04-03 12:35.53 ---> saved as "e00118f49efab9f2e8461e25a865a13c67ce9d561d722998a422dbaf1da1bb33" /: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2026-04-03 12:35.54 ---> saved as "2e5a2ba25d32a46e35cb57d76784c1dd4c9a01b046a35ed094cdddf36fc75ad7" /: (env DEPS "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 bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.1 dune-configurator.3.22.1 eio.1.3 eio_main.1.3 eio_posix.1.3 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1") /: (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 lwt_eio.dev $DEPS")) + /usr/local/bin/brew "update" - ==> Updating Homebrew... - Already up-to-date. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt_eio.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) 2026-04-03 12:36.30 ---> saved as "2c469a4384801fcd8c1c5bb6768960e67100a1dd43587f038a496e3399ea77c4" /: (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 33 packages - install astring 0.8.5 - install base-bytes base - install bigstringaf 0.10.0 - install camlp-streams 5.0.1 - install cmdliner 2.1.0 - install cppo 1.8.0 - install csexp 1.5.2 - install cstruct 6.2.0 - install domain-local-await 1.0.1 - install dune 3.22.1 - install dune-configurator 3.22.1 - install eio 1.3 - install eio_main 1.3 - install eio_posix 1.3 - install fmt 0.11.0 - install hmap 0.8.1 - install iomux 0.4 - install logs 0.10.0 - install lwt 6.1.1 - install lwt-dllist 1.1.0 - install mdx 2.5.2 - install mtime 2.1.0 - install ocaml-version 4.0.4 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install optint 0.3.0 - install psq 0.2.1 - install re 1.14.0 - install result 1.5 - install seq base - install thread-table 1.0.0 - install topkg 1.1.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved camlp-streams.5.0.1 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved hmap.0.8.1 (cached) -> retrieved iomux.0.4 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved eio.1.3, eio_main.1.3, eio_posix.1.3 (cached) -> retrieved lwt.6.1.1 (cached) -> retrieved lwt-dllist.1.1.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved ocaml-version.4.0.4 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved result.1.5 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved thread-table.1.0.0 (cached) -> retrieved re.1.14.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved dune.3.22.1, dune-configurator.3.22.1 (cached) -> installed ocamlbuild.0.16.1 -> installed cmdliner.2.1.0 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed topkg.1.1.1 -> installed hmap.0.8.1 -> installed mtime.2.1.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed dune.3.22.1 -> installed lwt-dllist.1.1.0 -> installed result.1.5 -> installed psq.0.2.1 -> installed ocaml-version.4.0.4 -> installed csexp.1.5.2 -> installed thread-table.1.0.0 -> installed re.1.14.0 -> installed optint.0.3.0 -> installed cstruct.6.2.0 -> installed cppo.1.8.0 -> installed camlp-streams.5.0.1 -> installed domain-local-await.1.0.1 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.22.1 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed eio.1.3 -> installed lwt.6.1.1 -> installed eio_posix.1.3 -> installed eio_main.1.3 -> installed logs.0.10.0 -> installed mdx.2.5.2 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-03 12:38.10 ---> saved as "ccec7ce7eaa7e1313368166038d6fe0f3325366878758c5c7f6d2262290d3924" /: (copy (src .) (dst ./src)) 2026-04-03 12:38.12 ---> saved as "67a18c34791c07795ea819d85f4cefbd34e1b195fb7cd26af4ae57715767f493" /: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) 2026-04-03 12:38.19 ---> saved as "e4433eb26d78d882693611f3d62158c8b017c29269123f213d70bedd432fa279" Job succeeded 2026-04-03 12:38.24: Job succeeded