2026-03-14 10:16.26: New job: test ocaml-multicore/lwt_eio https://github.com/ocaml-multicore/lwt_eio.git#refs/pull/31/head (5f8bf1e7af33590683ee45151894d7b9a20607f0) (linux-x86_64:debian-13-5.2_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.2@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/lwt_eio.git" && cd "lwt_eio" && git fetch origin "refs/pull/31/head" && git reset --hard 5f8bf1e7 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.2@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1 # debian-13-5.2_opam-2.5 USER 1000:1000 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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 lwt_eio.opam ./ RUN opam pin add -yn lwt_eio.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="astring.0.8.5 base-bigarray.base base-bytes.base base-domains.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.3.21.1 dune-configurator.3.21.1 eio.1.3 eio_linux.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.2.5.1 mtime.2.1.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 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 uring.2.7.0" 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 opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-03-14 10:16.26: Using cache hint "ocaml-multicore/lwt_eio-ocaml/opam:debian-13-ocaml-5.2@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1-debian-13-5.2_opam-2.5-2d71df407007dd5c363e9d67dbfc41d1" 2026-03-14 10:16.26: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.2@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1) (comment debian-13-5.2_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 (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 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src lwt_eio.opam) (dst ./)) (run (network host) (shell "opam pin add -yn lwt_eio.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-domains.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.3.21.1 dune-configurator.3.21.1 eio.1.3 eio_linux.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.2.5.1 mtime.2.1.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 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 uring.2.7.0") (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 lwt_eio.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")) ) 2026-03-14 10:16.26: Waiting for resource in pool OCluster 2026-03-14 10:22.46: Waiting for worker… 2026-03-14 10:25.29: Got resource from pool OCluster Building on laodoke.caelum.ci.dev All commits already cached HEAD is now at 5f8bf1e compatibility with lwt.6 (from ocaml/opam:debian-13-ocaml-5.2@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1) Unable to find image 'ocaml/opam:debian-13-ocaml-5.2@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1' locally docker.io/ocaml/opam@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1: Pulling from ocaml/opam 866771c43bf5: Already exists 1e49bea09367: Already exists e793768537e6: Already exists ed323d3d481a: Already exists 7df34a5cd5f1: Already exists fd712d3eb935: Already exists 4b9fb8c99118: Already exists 9d9a01948b94: Already exists 0f1514f90b32: Already exists e1ec5a753447: Already exists 03cc323e2f71: Already exists c09c08ea9749: Already exists b36b619f8e6b: Already exists 195344ca5274: Already exists 228ee78582a6: Already exists 504bde1c25b3: Already exists 9d8b1356c89f: Already exists 9d8b1356c89f: Already exists 568fb6dda155: Already exists c499c9198aea: Already exists 048e5e358118: Already exists 871ca48eb45d: Already exists 4f4fb700ef54: Already exists a5a2568b9df9: Already exists 068cf3106ac8: Already exists 559f54ec9b29: Already exists 798ffd96fde5: Already exists e9a891bf80d7: Already exists d720cfe12674: Already exists c81c932f4a91: Already exists 79f24fa3bb11: Already exists 8c1debcd8c20: Already exists 1bb2cfea7250: Already exists 2b3d3ca75e4c: Already exists 557cacaf263c: Already exists d10483022eef: Already exists 7b62a90d8223: Already exists 28ce8ea66e72: Already exists d975909ea717: Already exists 5c215c69c247: Already exists e7c082452a54: Already exists 27454b3e44fc: Pulling fs layer cf864090fffc: Pulling fs layer 98d73952e572: Pulling fs layer c6d44b49685c: Pulling fs layer 35900062a974: Pulling fs layer c6d44b49685c: Waiting 715391ec4183: Pulling fs layer cc777f35b81f: Pulling fs layer 35900062a974: Waiting cc777f35b81f: Waiting 715391ec4183: Waiting 27454b3e44fc: Verifying Checksum 27454b3e44fc: Download complete 27454b3e44fc: Pull complete 98d73952e572: Verifying Checksum 98d73952e572: Download complete cf864090fffc: Verifying Checksum cf864090fffc: Download complete cf864090fffc: Pull complete 98d73952e572: Pull complete 715391ec4183: Verifying Checksum 715391ec4183: Download complete 35900062a974: Download complete cc777f35b81f: Verifying Checksum cc777f35b81f: Download complete c6d44b49685c: Verifying Checksum c6d44b49685c: Download complete c6d44b49685c: Pull complete 35900062a974: Pull complete 715391ec4183: Pull complete cc777f35b81f: Pull complete Digest: sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1 Status: Downloaded newer image for ocaml/opam@sha256:27f9f13fc53393fac340f59095bc754f32b077f5ac2eda512f38c28f84185cf1 2026-03-14 10:25.30 ---> using "9b20f3b3460b5364c4694eca09e11691cd4f4b015a339d3aa7da33a7a51cdbf3" from cache /: (comment debian-13-5.2_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")) 2026-03-14 10:25.30 ---> using "f76bd460baa7b0af8da7994dc04dcb7a1a15e3ea1d4ef88c5b9f2d19eb8ad666" 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. 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. Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-03-14 10:25.30 ---> using "32ab979f9805e0877bdf040fccd39f17203421b84e99a7893c6a91290f9e9adf" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-90-generic The OCaml toplevel, version 5.2.1 2.5.0 2026-03-14 10:25.30 ---> using "56ab7c7a35b71763532b4008a4b19dcabb0b637dac4025a7eb76189d4fe0b484" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-03-14 10:25.30 ---> using "a398a3244dbff483cdb4ddc08494b5a8bd3f6ef147f52bc0ac4f9f65805a51fd" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..f2e7a221a1 master -> origin/master 31462e7d24 Merge pull request #29451 from dra27/relocatable-package <><> 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) 2026-03-14 10:25.30 ---> using "508f7c2cfe6553cc67a7635055c4b162b3e1797ed226ecb09125411c63e33353" from cache /src: (copy (src lwt_eio.opam) (dst ./)) 2026-03-14 10:25.30 ---> using "f1fc4b645292c012ad5a659623faa32f60216107e7452593c7c6191584e45097" from cache /src: (run (network host) (shell "opam pin add -yn lwt_eio.dev './'")) [lwt_eio.dev] synchronised (file:///src) lwt_eio is now pinned to file:///src (version dev) 2026-03-14 10:25.30 ---> using "c5a1079eaaf7b09aad7220f172767375419776a9bafbebca706ee61788655f81" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-03-14 10:25.30 ---> using "bd91aa42eb2fdfd1d12450af15ec40d6273a9bbb74a7087248f087463313b0c6" from cache /src: (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-domains.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.3.21.1 dune-configurator.3.21.1 eio.1.3 eio_linux.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.2.5.1 mtime.2.1.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.3 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 uring.2.7.0") /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 lwt_eio.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 amd64 Packages [111 kB] - Fetched 202 kB in 0s (1925 kB/s) - Reading package lists... <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt_eio.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 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.1). [NOTE] Package ocaml is already installed (current version is 5.2.1). [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-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) 2026-03-14 10:25.30 ---> using "41899aa7b0ba558e633afdf1680c0d8efa25ec5e64b2ce580af6e8ba5cee7bff" from cache /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 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.1). [NOTE] Package ocaml is already installed (current version is 5.2.1). [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-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 35 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 3.21.1 - install dune-configurator 3.21.1 - install eio 1.3 - install eio_linux 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 2.5.1 - install mtime 2.1.0 - install ocaml-version 4.0.3 - 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 - install uring 2.7.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved cmdliner.2.1.0 (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 lwt.6.1.1 (cached) -> retrieved eio.1.3, eio_linux.1.3, eio_main.1.3, eio_posix.1.3 (cached) -> retrieved lwt-dllist.1.1.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved ocaml-version.4.0.3 (cached) -> retrieved mdx.2.5.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved result.1.5 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved re.1.14.0 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uring.2.7.0 (cached) -> retrieved dune.3.21.1, dune-configurator.3.21.1 (cached) -> installed cmdliner.2.1.0 -> installed ocamlbuild.0.16.1 -> 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.3.21.1 -> installed lwt-dllist.1.1.0 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed ocaml-version.4.0.3 -> installed optint.0.3.0 -> installed psq.0.2.1 -> installed re.1.14.0 -> installed result.1.5 -> installed thread-table.1.0.0 -> installed ocplib-endian.1.2 -> installed domain-local-await.1.0.1 -> installed dune-configurator.3.21.1 -> installed bigstringaf.0.10.0 -> installed iomux.0.4 -> installed eio.1.3 -> installed lwt.6.1.1 -> installed uring.2.7.0 -> installed eio_posix.1.3 -> installed eio_linux.1.3 -> installed logs.0.10.0 -> installed eio_main.1.3 -> installed mdx.2.5.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-03-14 10:27.13 ---> saved as "ca016bba4f903ae12bcabd7a9780c6a5366337980c5176fc8ea8937c37997566" /src: (copy (src .) (dst /src)) 2026-03-14 10:27.14 ---> saved as "9d071c766dbf86218bd733ba3b25111bcf4d2b0e3b6f17823e4ed3a6bd3b2d80" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "test/test.md", line 1, characters 0-0: /usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/test.md _build/default/test/.mdx/test.md.corrected diff --git a/_build/default/test/test.md b/_build/default/test/.mdx/test.md.corrected index 7a9272f..ac6774e 100644 --- a/_build/default/test/test.md +++ b/_build/default/test/.mdx/test.md.corrected @@ -41,20 +41,20 @@ Lwt and Eio fibers don't block each other: );; +eio: i = 1 + lwt: i = 1 -+ lwt: i = 2 +eio: i = 2 -+ lwt: i = 3 ++ lwt: i = 2 +eio: i = 3 -+ lwt: i = 4 ++ lwt: i = 3 +eio: i = 4 -+ lwt: i = 5 ++ lwt: i = 4 +eio: i = 5 -+ lwt: i = 6 ++ lwt: i = 5 +eio: i = 6 -+ lwt: i = 7 ++ lwt: i = 6 +eio: i = 7 -+ lwt: i = 8 ++ lwt: i = 7 +eio: i = 8 ++ lwt: i = 8 - : unit = () ``` "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-03-14 10:27.24: Job failed: Failed: Build failed