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-22.04-5.4_opam-2.5)Base: ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96bOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/effects-examples.git" -b "master" && cd "effects-examples" && git reset --hard 8a7e80ddcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b# ubuntu-22.04-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN 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 -uCOPY --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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-12 14:12.44: Using cache hint "ocaml-multicore/effects-examples-ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b-ubuntu-22.04-5.4_opam-2.5-3c40eed6e97307e7ea0e83d7ef25a649"2026-01-12 14:12.44: Using OBuilder spec:((from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b)(comment ubuntu-22.04-5.4_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 OCluster2026-01-13 20:35.11: Waiting for worker…2026-01-13 20:39.55: Got resource from pool OClusterBuilding on cleteAll commits already cachedHEAD is now at 8a7e80d Merge pull request #44 from ocaml-multicore/multicont-1.0.3(from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b)2026-01-13 20:39.55 ---> using "7f91e2bb83d6d357ae6dfb3920265348795501d90daa6df00769b7d07a85dd88" from cache/: (comment ubuntu-22.04-5.4_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 "733fffa2c21969652c96194eb10d6585eef57dda7b9c3b226a86aec60c32c422" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-01-13 20:39.55 ---> using "1293137d25163c04f5ac86753be6c9c6972f7504d817f4d64cdae5383c667ca0" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 5.4.02.5.02026-01-13 20:39.55 ---> using "8f40110b7bdfb6e22377d877f46dd136ec6c8d9473fc07eb271dd2fd15bcd996" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-13 20:39.55 ---> using "c09213f8de777c95bdfb899c623c736854b758366169d6edcc070f154230747c" 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_HEADee48e882f0..df0b753b90 master -> origin/master7d22a58614 Merge pull request #29184 from raphael-proust/opam-publish-lwt.6.0.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-01-13 20:39.55 ---> using "1a59c2316d5cd2f5d39826b31b958d9e353616a4fa480b0a99a554470b18c420" from cache/src: (copy (src effects-examples.opam) (dst ./))2026-01-13 20:39.56 ---> saved as "8b155ccb2df19015a45b2e213a9617a8cb25a76d83adb8b3b978e123f5d34b4f"/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 20:40.00 ---> saved as "17fc58b0b05524c1ad038fb0db778dffeb34fe7bbb5eb764eb8473d32f36e0c9"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-13 20:40.01 ---> saved as "77f9a6a2739aa6f133710b89688f84883ca969817760bb7bc05ecbcd5b5051d3"/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 jammy InRelease- Get:2 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB]- Get:3 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB]- Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB]- Get:5 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [6411 kB]- Get:6 http://archive.ubuntu.com/ubuntu jammy-updates/multiverse amd64 Packages [69.2 kB]- Get:7 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [3968 kB]- Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1600 kB]- Get:9 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [3637 kB]- Get:10 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [6205 kB]- Get:11 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1289 kB]- Get:12 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64 Packages [37.2 kB]- Get:13 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64 Packages [83.9 kB]- Fetched 23.7 MB in 3s (8119 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 20:40.28 ---> saved as "c438c101f9257e2f34458e272549cb1ee92d77cd0f06cb0830acf810a3ceb343"/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.6.0.0Done.# To update the current shell environment, run: eval $(opam env)2026-01-13 20:41.56 ---> saved as "3293e4f0e5ee5e4d2754f2497d87f7e4e2110f859a90d0ad6628894f328de3dd"/src: (copy (src .) (dst /src))2026-01-13 20:41.56 ---> saved as "fe589275d42db69490eb26ab001cc763ddefd07f887aff2c2c5293acd47998a7"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))2026-01-13 20:41.57 ---> saved as "c9778e30ca0c4f64dfcd7f64e7770e6e7ce049663d167de91b39f612fc680a26"Job succeeded2026-01-13 20:41.57: Job succeeded