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Organisationsocaml-multicoreeffects-examples8a7e80 (master)ubuntu-25.10-5.4_opam-2.4

ubuntu-25.10-5.4_opam-2.4

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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-25.10-5.4_opam-2.4)
Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840
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-25.10-ocaml-5.4@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840
# ubuntu-25.10-5.4_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-25.10-ocaml-5.4@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840-ubuntu-25.10-5.4_opam-2.4-74ae7d01de7b7360dd71029cc08f30b7"
2025-10-18 16:34.19: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840)
(comment ubuntu-25.10-5.4_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 16:57.05: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint: 	git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint: 	git branch -m <name>
Initialised empty Git repository in /var/cache/obuilder/ocluster/git/effects-examples.git-a1bacf9d4bce447b5edfecd0b50085fe4d7672d3/.git/
HEAD is now at 8a7e80d Merge pull request #44 from ocaml-multicore/multicont-1.0.3


(from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840)
Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840' locally
docker.io/ocaml/opam@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840: Pulling from ocaml/opam
9b965cd35928: Already exists
8c34d5cb1909: Already exists
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75914a58b59d: Already exists
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1420c7e28df9: Pulling fs layer
0aa76275f3e3: Pulling fs layer
93d3fe1ef530: Pulling fs layer
0aa76275f3e3: Waiting
8141b93c2100: Pulling fs layer
99dd02af1531: Pulling fs layer
93d3fe1ef530: Waiting
ed19dfeb135d: Pulling fs layer
8141b93c2100: Waiting
99dd02af1531: Waiting
400c4009ccf8: Pulling fs layer
ed19dfeb135d: Waiting
400c4009ccf8: Waiting
1420c7e28df9: Download complete
1420c7e28df9: Pull complete
0aa76275f3e3: Verifying Checksum
0aa76275f3e3: Download complete
0aa76275f3e3: Pull complete
93d3fe1ef530: Verifying Checksum
93d3fe1ef530: Download complete
93d3fe1ef530: Pull complete
8141b93c2100: Verifying Checksum
8141b93c2100: Download complete
99dd02af1531: Download complete
ed19dfeb135d: Verifying Checksum
ed19dfeb135d: Download complete
400c4009ccf8: Verifying Checksum
400c4009ccf8: Download complete
8141b93c2100: Pull complete
99dd02af1531: Pull complete
ed19dfeb135d: Pull complete
400c4009ccf8: Pull complete
Digest: sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840
Status: Downloaded newer image for ocaml/opam@sha256:1193b97b1fb681f2d335587f7d0f746174fef9b1dfb77984932b8f3ea440c840
2025-10-18 16:57.09 ---> using "3be20ed9bde11478d710180884f722280dfc08d0ee382a0870797929c1d03cd4" from cache


/: (comment ubuntu-25.10-5.4_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 16:57.09 ---> using "da6960692231a059dab52bacd68875d42b6b35b205939a28c7e327c1c48fb166" 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
Format upgrade done.


<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>
[default] Initialised
2025-10-18 16:57.09 ---> using "e9b0ecbad3beb2e452151c1169527a8879012a89c3350bb7b46eace3adcd6aea" 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 16:57.09 ---> using "77ec95f59e260ec6798c95d067d0fb48d4d663c0eb249c2e29ab7e2bbb0a15a8" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-10-18 16:57.09 ---> using "112fb3f58706e2a934d242f81fc30ccd1722e38dcf8fa9411a64fe043420055b" 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 16:57.09 ---> using "10ebcea5a136997bb3d25fe8f52145c5fa29bb5dfd035f08bc3c6234649165e8" from cache


/src: (copy (src effects-examples.opam) (dst ./))
2025-10-18 16:57.09 ---> saved as "71a247c301db4f6c4b071c2404125f7201fb51b8012035e072b886c2fd56e782"


/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 16:57.13 ---> saved as "78a1d3713358002c0f8a1a7e4481073f317b9c095acdce73d8bbd78471d6dca6"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-10-18 16:57.13 ---> saved as "7387e6d7eb30b3e4530141e63e59579920ede5b5b2fe6db61838574fd4f22ac8"


/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"
- Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]
- Hit:2 http://archive.ubuntu.com/ubuntu questing InRelease
- Get:3 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]
- Get:4 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]
- Fetched 404 kB in 1s (594 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 "1802978117b9a192a2c251c66437456fc96efc75d25085ab6843fb0370ad553d"


/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 16:59.45 ---> saved as "bd64ab18f3776517bc6cd7f77c0f20e73a83dcfa3545d3e3518c4945fcbb4fb1"


/src: (copy (src .) (dst /src))
2025-10-18 16:59.46 ---> saved as "b83f6cd7ab2b346630f50ace3589e6e9cbc2b1dc1daef96f910af17d92e1d5ad"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
2025-10-18 16:59.47 ---> saved as "31dfdefc996b861dc4ddfda5ca93a2aa534c7c647d33653d20bc546e53f69ad9"
Job succeeded
2025-10-18 16:59.47: Job succeeded