2026-01-12 14:12.44: New job: test ocaml-multicore/effects-examples https://github.com/ocaml-multicore/effects-examples.git#refs/heads/master (8a7e80dd29e68e2d05fe4b0399c8535a51f36395) (linux-x86_64:ubuntu-24.04-5.4_opam-2.5) Base: ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/effects-examples.git" -b "master" && cd "effects-examples" && git reset --hard 8a7e80dd cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83 # ubuntu-24.04-5.4_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 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 || git fetch origin master) && git reset -q --hard 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 effects-examples.opam ./ RUN opam pin add -yn effects-examples.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 lwt.6.0.0 multicont.1.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlfind.1.9.8 ocplib-endian.1.2" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y effects-examples.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 2026-01-12 14:12.44: Using cache hint "ocaml-multicore/effects-examples-ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83-ubuntu-24.04-5.4_opam-2.5-3c40eed6e97307e7ea0e83d7ef25a649" 2026-01-12 14:12.44: Using OBuilder spec: ((from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83) (comment ubuntu-24.04-5.4_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 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 || git fetch origin master) && git reset -q --hard 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src effects-examples.opam) (dst ./)) (run (network host) (shell "opam pin add -yn effects-examples.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 lwt.6.0.0 multicont.1.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlfind.1.9.8 ocplib-endian.1.2") (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 effects-examples.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")) ) 2026-01-12 14:12.44: Waiting for resource in pool OCluster 2026-01-13 20:35.07: Waiting for worker… 2026-01-13 20:39.55: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at 8a7e80d Merge pull request #44 from ocaml-multicore/multicont-1.0.3 (from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83) Unable to find image 'ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83' locally docker.io/ocaml/opam@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83: Pulling from ocaml/opam 66335b9addc5: Already exists d63a019338f1: Already exists f9a3d80883f2: Already exists 507d8a607ae7: Already exists d4916705fc81: Already exists 0332a005157a: Already exists ddb929d9417b: Already exists deeef518a760: Already exists Digest: sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83 Status: Downloaded newer image for ocaml/opam@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83 2026-01-13 20:39.55 ---> using "6487dfb8ccc933aa4dc5df7fbd33c5f8d64de96dc0f67f78a2345ae35208a990" from cache /: (comment ubuntu-24.04-5.4_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")) 2026-01-13 20:39.55 ---> using "9294f665607439ba3ed8e529d49a2394436ac5c10d620386979a3e959cae165f" 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 2026-01-13 20:39.55 ---> using "8068b2bd33173083daf6a2d61d4ba168efe20fabb8adadcde1dfff87e3e75122" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-01-13 20:39.55 ---> using "e43fed4591e46bc77167b3294f44726d92ca989f328dbe1f0b163aae589c0a74" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-13 20:39.55 ---> using "f27fcc78f15f7d2d5f9cfed9524d32ce848ec4265bfddbd75db04a68d7e08538" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 || git fetch origin master) && git reset -q --hard 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ee48e882f0..df0b753b90 master -> origin/master 7d22a58614 Merge pull request #29184 from raphael-proust/opam-publish-lwt.6.0.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-13 20:39.55 ---> using "fa603f388c25a688766d8807a4fc226b832d0e9ab0b0c36ad60792d8ef78cb7a" from cache /src: (copy (src effects-examples.opam) (dst ./)) 2026-01-13 20:39.55 ---> saved as "7c09c224cb8fb16ab3cc66cef558ad04450d2157c10362e12584400c56c225ce" /src: (run (network host) (shell "opam pin add -yn effects-examples.dev './'")) [NOTE] Package effects-examples does not exist in opam repositories registered in the current switch. [effects-examples.dev] synchronised (file:///src) [WARNING] Failed checks on effects-examples package definition from source at file:///src: warning 68: Missing field 'license' effects-examples is now pinned to file:///src (version dev) 2026-01-13 20:39.59 ---> saved as "79998a2a0142c14b7bdc23ada50e6d08a3cafa9a9c5d2bbb5ce52e0451c4480b" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-13 20:40.00 ---> saved as "5d069233d9f47bb4e989646136cee6ca36aedc78abb64856dcb6eace04c76f3e" /src: (env DEPS "base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 lwt.6.0.0 multicont.1.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlfind.1.9.8 ocplib-endian.1.2") /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 effects-examples.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB] - Hit:2 http://archive.ubuntu.com/ubuntu noble InRelease - Get:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB] - Get:4 http://archive.ubuntu.com/ubuntu noble-backports InRelease [126 kB] - Get:5 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [1188 kB] - Get:6 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Packages [3077 kB] - Get:7 http://archive.ubuntu.com/ubuntu noble-updates/multiverse amd64 Packages [35.9 kB] - Get:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [1955 kB] - Get:9 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Packages [2919 kB] - Get:10 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [2141 kB] - Get:11 http://archive.ubuntu.com/ubuntu noble-backports/universe amd64 Packages [34.6 kB] - Get:12 http://archive.ubuntu.com/ubuntu noble-backports/main amd64 Packages [49.5 kB] - Get:13 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [1769 kB] - Fetched 13.5 MB in 2s (6684 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [effects-examples.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-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) 2026-01-13 20:40.25 ---> saved as "f4dbd38694c7d9c3a6148eaac384566ecfc9f81b677c834c581eae41c973b838" /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-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 9 packages - install base-bytes base - install cppo 1.8.0 - install csexp 1.5.2 - install dune 3.20.2 - install dune-configurator 3.20.2 - install lwt 6.0.0 - install multicont 1.0.3 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved multicont.1.0.3 (cached) -> retrieved lwt.6.0.0 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved dune.3.20.2, dune-configurator.3.20.2 (cached) -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed dune.3.20.2 -> installed csexp.1.5.2 -> installed cppo.1.8.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.20.2 -> installed multicont.1.0.3 -> installed lwt.6.0.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-13 20:41.59 ---> saved as "72dec449d7f796a0ea71979c4dbb577b6037c0496338f60040dbe4ad8e1bedb9" /src: (copy (src .) (dst /src)) 2026-01-13 20:42.00 ---> saved as "e21b3c3658d52202af8221c954390a82b3bb4566125a84ac098da18564ea431c" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) 2026-01-13 20:42.01 ---> saved as "f61bcf68f226f7c2ac445f14f1094cd239edc5c9e097ce56e1e14e91071dfbc9" Job succeeded 2026-01-13 20:42.02: Job succeeded