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-25.04-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:91b64b9209e37c6b9a59223b22eaf5ed0a8ae12e28a79f04c30e922dffba710d 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@sha256:91b64b9209e37c6b9a59223b22eaf5ed0a8ae12e28a79f04c30e922dffba710d # ubuntu-25.04-5.4_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-25.04-ocaml-5.4@sha256:91b64b9209e37c6b9a59223b22eaf5ed0a8ae12e28a79f04c30e922dffba710d-ubuntu-25.04-5.4_opam-2.5-3c40eed6e97307e7ea0e83d7ef25a649" 2026-01-12 14:12.44: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:91b64b9209e37c6b9a59223b22eaf5ed0a8ae12e28a79f04c30e922dffba710d) (comment ubuntu-25.04-5.4_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 20:35.06: Waiting for worker… 2026-01-13 20:39.54: 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-25.04-ocaml-5.4@sha256:91b64b9209e37c6b9a59223b22eaf5ed0a8ae12e28a79f04c30e922dffba710d) 2026-01-13 20:39.55 ---> using "0ba7dfb8aff75a8826b1928659d51fa40c7fb1649549480c45dfe846e5344e61" from cache /: (comment ubuntu-25.04-5.4_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 "735a675864cc8d45aa0200fdb7f8af399ac390be820dab707877200c62926230" 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 2026-01-13 20:39.55 ---> using "ec120da2c9a79b1ab1e1b0495dae71858c642de9bd444543b2548ebfcc9b60f8" 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 "3c43b1d7966d8fb5da1ed868044cb1332f1c68a5f86efa37623647f5fbb0885b" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-13 20:39.55 ---> using "96ff5b06520d3ae363e2acf040f5a28d1b8de8a2d3b5133bc3508940ee237676" 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 "fdb8c502efe76bec229e28b001ba65108562ed995870d9f51db10d7705e9fbc0" from cache /src: (copy (src effects-examples.opam) (dst ./)) 2026-01-13 20:39.55 ---> saved as "e491130986bc3c81ec3d928986d321d2876cabaadd968f1a8d8b5193fcf64a8c" /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 20:39.58 ---> saved as "e67bcc702a71af2a399ad57c4167869162405264bfaf9a3275b0d8335549f10c" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-13 20:39.59 ---> saved as "a00179ef351f0a0678b65a7d9897c229386c6470f5c190f06532014b146a34f6" /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" - Hit:1 http://archive.ubuntu.com/ubuntu plucky InRelease - Get:2 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB] - Get:3 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB] - Get:4 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [441 kB] - Get:5 http://archive.ubuntu.com/ubuntu plucky-updates/multiverse amd64 Packages [31.6 kB] - Get:6 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [354 kB] - Get:7 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [575 kB] - Get:8 http://archive.ubuntu.com/ubuntu plucky-backports/universe amd64 Packages [4040 B] - Get:9 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB] - Get:10 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [405 kB] - Get:11 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [262 kB] - Fetched 2452 kB in 1s (2227 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 20:40.21 ---> saved as "909a6f6f24999247973176b0f2490af0b250624806f8a5b59b230cfd8f5f771a" /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 20:41.54 ---> saved as "0e3bea14d388772292f862bce35fdd56f74883b6c90bae50740cecbfe5f36180" /src: (copy (src .) (dst /src)) 2026-01-13 20:41.55 ---> saved as "80dc4f28e3951605a893863588ad713650328ab9ebef6b2a759adc87a3e736c6" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) 2026-01-13 20:41.56 ---> saved as "227fbbcacc150556a1075d948f0232ab22cb1a64ede80d6440f1533939bbd80a" Job succeeded 2026-01-13 20:41.57: Job succeeded