2025-10-18 16:34.19: New job: test ocaml-multicore/effects-examples https://github.com/ocaml-multicore/effects-examples.git#refs/heads/master (8a7e80dd29e68e2d05fe4b0399c8535a51f36395) (linux-x86_64:ubuntu-25.04-5.4_opam-2.4) Base: ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01 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-25.04-ocaml-5.4@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01 # ubuntu-25.04-5.4_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.4 /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 c603e596bfaf195a5c1a3baf992b11c1de5ad35b || git fetch origin master) && git reset -q --hard c603e596bfaf195a5c1a3baf992b11c1de5ad35b && 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.5.9.2 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=2.4 --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 2025-10-18 16:34.19: Using cache hint "ocaml-multicore/effects-examples-ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01-ubuntu-25.04-5.4_opam-2.4-74ae7d01de7b7360dd71029cc08f30b7" 2025-10-18 16:34.19: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01) (comment ubuntu-25.04-5.4_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.4 /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 c603e596bfaf195a5c1a3baf992b11c1de5ad35b || git fetch origin master) && git reset -q --hard c603e596bfaf195a5c1a3baf992b11c1de5ad35b && 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.5.9.2 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=2.4 --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")) ) 2025-10-18 16:34.19: Waiting for resource in pool OCluster 2025-10-18 16:56.03: Waiting for worker… 2025-10-18 16:57.07: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at 8a7e80d Merge pull request #44 from ocaml-multicore/multicont-1.0.3 (from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01) Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01' locally docker.io/ocaml/opam@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01: Pulling from ocaml/opam c62190a9ab61: Already exists c985a9864739: Already exists 9ce098ab566c: Already exists 1476b197f492: Already exists 3c6ed04c0489: Already exists 6c35591422f1: Already exists fd754953a4a4: Already exists 582f1b7eb9db: Already exists ee0bf2b6f429: Already exists 44cfa07f70cf: Already exists 0500902e0a7f: Already exists 139102ffb691: Already exists 430dee7dbc42: Already exists 25541c62e72c: Already exists 4b45b5097190: Already exists af6cd989f92e: Already exists af6cd989f92e: Already exists 5715088923f1: Already exists c5c22c361315: Already exists a8dca298272f: Already exists 83da8bb20921: Already exists 4f4fb700ef54: Already exists 35b94e9da18a: Already exists 9cce0457fb55: Already exists 84b391c5931c: Already exists 3571da19f996: Already exists a8d59b1dd164: Already exists ac6586f8f005: Already exists e3e0b0ad2e15: Already exists ed1dc3ac7383: Already exists fe4b5ed60893: Already exists ac27f0f19708: Already exists 5b6754c1d1ac: Already exists a816aa9aa995: Already exists f732e53bb150: Already exists a37ed6ebfa21: Already exists 5bbf7566f945: Already exists aee8720d12b0: Already exists 74c35d6687bb: Already exists 6135e67bfcee: Already exists 50977875eeb9: Already exists 03a84bf05170: Already exists a7e2efc01400: Pulling fs layer 91da380bcbc7: Pulling fs layer da468c07c222: Pulling fs layer e54feb2ef553: Pulling fs layer a7e2efc01400: Waiting cfbe3a87bf59: Pulling fs layer da468c07c222: Waiting e54feb2ef553: Waiting 91da380bcbc7: Waiting cfbe3a87bf59: Waiting a7e2efc01400: Verifying Checksum a7e2efc01400: Download complete a7e2efc01400: Pull complete da468c07c222: Verifying Checksum da468c07c222: Download complete e54feb2ef553: Verifying Checksum e54feb2ef553: Download complete cfbe3a87bf59: Download complete 91da380bcbc7: Verifying Checksum 91da380bcbc7: Download complete 91da380bcbc7: Pull complete da468c07c222: Pull complete e54feb2ef553: Pull complete cfbe3a87bf59: Pull complete Digest: sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01 Status: Downloaded newer image for ocaml/opam@sha256:aa8e01a39c106c4e36649164d30801dd46a751574d1f693167475e4dfe972f01 2025-10-18 16:57.10 ---> using "4634bb79db369ca459eb077bd605b0a453385ad697bc229a054890d0024b1f5d" from cache /: (comment ubuntu-25.04-5.4_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2025-10-18 16:57.10 ---> using "8b577551efdffb4dfbaa8a818e097718652bf990411ca147bd5ba333d4ed0d6a" 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 [NOTE] The 'jobs' option was reset, its value was 255 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=255 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2025-10-18 16:57.10 ---> using "fb5b3350d27eac8366c1d9ea9df47d4b4a1f28b483478efd222c00efad341c05" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-85-generic The OCaml toplevel, version 5.4.0 2.4.1 2025-10-18 16:57.10 ---> using "42d577c1f3b95d7509988b512f4420772a5f15ed96950a7a20c7b914703b689f" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-10-18 16:57.10 ---> using "47aac734c229fb7e5b25b4a71bad33857ddfcbd2bb6d7dc3f54a6ca50d35a0b2" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c603e596bfaf195a5c1a3baf992b11c1de5ad35b || git fetch origin master) && git reset -q --hard c603e596bfaf195a5c1a3baf992b11c1de5ad35b && git log --no-decorate -n1 --oneline && opam update -u")) c603e596bf Merge pull request #28683 from Octachron/OCaml_5.4.0_release <><> 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) 2025-10-18 16:57.10 ---> using "9341b15a563b5b92056b07bdd700891b3d7014fdc358b7a13c40a0d888f775a6" from cache /src: (copy (src effects-examples.opam) (dst ./)) 2025-10-18 16:57.10 ---> saved as "f41a2d597b0afba2dc9030790c412f5291788bf78658d35d74c765570fd729d5" /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) effects-examples is now pinned to file:///src (version dev) [WARNING] Failed checks on effects-examples package definition from source at file:///src: warning 68: Missing field 'license' 2025-10-18 16:57.14 ---> saved as "2449382c032a3e4c4e8508b5cc87491562314b7006c60adc9aed90188551527a" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-10-18 16:57.14 ---> saved as "32bce3150751e853cb8fe7ae4f7edb407510fbac3c166d1693548139be1f50aa" /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.5.9.2 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=2.4 --depext-only -y effects-examples.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease - Get:2 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB] - Get:3 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB] - Get:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB] - Get:5 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [336 kB] - Get:6 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [291 kB] - Get:7 http://archive.ubuntu.com/ubuntu plucky-updates/multiverse amd64 Packages [31.6 kB] - Get:8 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [464 kB] - Get:9 http://security.ubuntu.com/ubuntu plucky-security/restricted amd64 Packages [301 kB] - Get:10 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [315 kB] - Get:11 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [218 kB] - Fetched 2335 kB in 0s (6037 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). 2025-10-18 16:57.36 ---> saved as "fc60c5ee43dbcbc269eff3d65c1ad2a68f7d69acf128edae10fadec097b214cd" /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 5.9.2 - 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 lwt.5.9.2 (cached) -> retrieved multicont.1.0.3 (https://opam.ocaml.org/cache) -> 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.5.9.2 Done. # To update the current shell environment, run: eval $(opam env) 2025-10-18 17:00.00 ---> saved as "9cdca4cfeea50835a3f3aa59e89cfad358a08d9958ed4dd52c7d05c34640d3ed" /src: (copy (src .) (dst /src)) 2025-10-18 17:00.00 ---> saved as "777cf72230646a438c88e4efe6b230830f8ac0f5e27f9b73a1b56c80edecde84" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) 2025-10-18 17:00.01 ---> saved as "7a79027d2a34b2a1d34e498602cfcfee717c514dffb67ce820af41a6f6ba537d" Job succeeded 2025-10-18 17:00.01: Job succeeded