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
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a7e2efc01400: Pulling fs layer
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da468c07c222: Pulling fs layer
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a7e2efc01400: Waiting
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91da380bcbc7: Waiting
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a7e2efc01400: Verifying Checksum
a7e2efc01400: Download complete
a7e2efc01400: Pull complete
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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