2026-03-20 09:48.12: New job: test ocaml-multicore/effects-examples https://github.com/ocaml-multicore/effects-examples.git#refs/heads/master (9840de71aba67d59e67ef1a4452560725c0a3efd) (linux-arm64:debian-13-5.4_arm64_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9eOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/effects-examples.git" -b "master" && cd "effects-examples" && git reset --hard 9840de71cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e# debian-13-5.4_arm64_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 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && 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.3.22.0 dune-configurator.3.22.0 lwt.6.1.1 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-BLOCK2026-03-20 09:48.12: Using cache hint "ocaml-multicore/effects-examples-ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e-debian-13-5.4_arm64_opam-2.5-c8ea5ce6e1f83b238388671072324a9f"2026-03-20 09:48.12: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e)(comment debian-13-5.4_arm64_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 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && 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 (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.3.22.0 dune-configurator.3.22.0 lwt.6.1.1 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")))2026-03-20 09:48.12: Waiting for resource in pool OCluster2026-03-20 09:48.12: Waiting for worker…2026-03-20 09:48.12: Got resource from pool OClusterBuilding on kydoime.caelum.ci.devHEAD is now at 7d1320e Update to OCaml 5.4.1HEAD is now at 9840de7 Port all examples to effect syntax; update CI to setup-ocaml v3(from ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e)2026-03-20 09:48.13 ---> using "724e50f554abe841332fd9ee9d83624f9592d1368cc4463ef3d546f6169aa36a" from cache/: (comment debian-13-5.4_arm64_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"))2026-03-20 09:48.13 ---> using "aa3224ffa912fe43af96143f4eb0413b717c2dd972635a9f54d4e269f7a502ce" 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] Initialised2026-03-20 09:48.13 ---> using "eee2c0f3ec9a311741a876f0dc227db2a4c2841a510506e4be3f0af545c9e32a" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 5.4.02.5.02026-03-20 09:48.13 ---> using "9a0be1b07a7818d4a855398e1b66a120fa634d390c857b8966f10a05e63e2e8b" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-03-20 09:48.13 ---> using "a9f48187e484773581299270020fbba19342c8afca6591785f779c0aec4550a5" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD340ee6fd1f..9f189ca4f9 master -> origin/master9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possibleHowever, 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)2026-03-20 09:48.13 ---> using "6d880dd188a512d56504f58d8aec0ffee83233fcd6b8bb84669fae17e5e5394e" from cache/src: (copy (src effects-examples.opam) (dst ./))2026-03-20 09:48.13 ---> using "35d928c1c906bb7298de5094bee1183e3c727145ec2b4ec7f68f4230aae7aaae" from cache/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)2026-03-20 09:48.13 ---> using "4f48b1edb302e23e5d1cd7453a87b889339c2cb88af8f0902d40385080d26cdf" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-03-20 09:48.13 ---> using "05f9576220c880e0b4118997b1d0561293348ab4553d5b1718171d58a17b72b2" from cache/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.3.22.0 dune-configurator.3.22.0 lwt.6.1.1 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://deb.debian.org/debian trixie InRelease [140 kB]- 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 trixie/main arm64 Packages [9607 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main arm64 Packages [117 kB]- Fetched 9955 kB in 2s (4267 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)2026-03-20 09:48.13 ---> using "22dfaeeb638e3229ffd456773fa1f85625f0847045f16033572e080cbb853421" 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-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 3.22.0- install dune-configurator 3.22.0- install lwt 6.1.1- 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.6.1.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached)-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed dune.3.22.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.22.0-> installed multicont.1.0.3-> installed lwt.6.1.1Done.# To update the current shell environment, run: eval $(opam env)2026-03-20 09:48.13 ---> using "7446d3061f81a6c63f49fa719de4b12fe354003ee5e0d6d979724bd957745884" from cache/src: (copy (src .) (dst /src))2026-03-20 09:48.13 ---> saved as "a9484ae9fece7168d31ef6336a7707c42235bc8768b85870619aa7fdf96f5636"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))2026-03-20 09:48.13 ---> saved as "e1a4211cc8126a4fc1b60c86645e0c2384961892c95e12fda4b291ef59b4a0d8"Job succeeded2026-03-20 09:48.14: Job succeeded