ubuntu-24.04-5.4_opam-2.5

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-24.04-5.4_opam-2.5)
Base: ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83
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-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83
# ubuntu-24.04-5.4_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-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83-ubuntu-24.04-5.4_opam-2.5-3c40eed6e97307e7ea0e83d7ef25a649"
2026-01-12 14:12.44: Using OBuilder spec:
((from ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83)
(comment ubuntu-24.04-5.4_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 20:35.07: Waiting for worker…
2026-01-13 20:39.55: 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-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83)
Unable to find image 'ocaml/opam:ubuntu-24.04-ocaml-5.4@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83' locally
docker.io/ocaml/opam@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83: Pulling from ocaml/opam
66335b9addc5: Already exists
d63a019338f1: Already exists
f9a3d80883f2: Already exists
507d8a607ae7: Already exists
d4916705fc81: Already exists
0332a005157a: Already exists
ddb929d9417b: Already exists
deeef518a760: Already exists
Digest: sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83
Status: Downloaded newer image for ocaml/opam@sha256:8be60498c81d8aa8d7c3ccd4305e161d5ac4a807c043b754f54e794a7ca42e83
2026-01-13 20:39.55 ---> using "6487dfb8ccc933aa4dc5df7fbd33c5f8d64de96dc0f67f78a2345ae35208a990" from cache


/: (comment ubuntu-24.04-5.4_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 "9294f665607439ba3ed8e529d49a2394436ac5c10d620386979a3e959cae165f" 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
2026-01-13 20:39.55 ---> using "8068b2bd33173083daf6a2d61d4ba168efe20fabb8adadcde1dfff87e3e75122" 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 "e43fed4591e46bc77167b3294f44726d92ca989f328dbe1f0b163aae589c0a74" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-01-13 20:39.55 ---> using "f27fcc78f15f7d2d5f9cfed9524d32ce848ec4265bfddbd75db04a68d7e08538" 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 "fa603f388c25a688766d8807a4fc226b832d0e9ab0b0c36ad60792d8ef78cb7a" from cache


/src: (copy (src effects-examples.opam) (dst ./))
2026-01-13 20:39.55 ---> saved as "7c09c224cb8fb16ab3cc66cef558ad04450d2157c10362e12584400c56c225ce"


/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 20:39.59 ---> saved as "79998a2a0142c14b7bdc23ada50e6d08a3cafa9a9c5d2bbb5ce52e0451c4480b"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-01-13 20:40.00 ---> saved as "5d069233d9f47bb4e989646136cee6ca36aedc78abb64856dcb6eace04c76f3e"


/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"
- Get:1 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB]
- Hit:2 http://archive.ubuntu.com/ubuntu noble InRelease
- Get:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB]
- Get:4 http://archive.ubuntu.com/ubuntu noble-backports InRelease [126 kB]
- Get:5 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [1188 kB]
- Get:6 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Packages [3077 kB]
- Get:7 http://archive.ubuntu.com/ubuntu noble-updates/multiverse amd64 Packages [35.9 kB]
- Get:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [1955 kB]
- Get:9 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Packages [2919 kB]
- Get:10 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [2141 kB]
- Get:11 http://archive.ubuntu.com/ubuntu noble-backports/universe amd64 Packages [34.6 kB]
- Get:12 http://archive.ubuntu.com/ubuntu noble-backports/main amd64 Packages [49.5 kB]
- Get:13 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [1769 kB]
- Fetched 13.5 MB in 2s (6684 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 20:40.25 ---> saved as "f4dbd38694c7d9c3a6148eaac384566ecfc9f81b677c834c581eae41c973b838"


/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 20:41.59 ---> saved as "72dec449d7f796a0ea71979c4dbb577b6037c0496338f60040dbe4ad8e1bedb9"


/src: (copy (src .) (dst /src))
2026-01-13 20:42.00 ---> saved as "e21b3c3658d52202af8221c954390a82b3bb4566125a84ac098da18564ea431c"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
2026-01-13 20:42.01 ---> saved as "f61bcf68f226f7c2ac445f14f1094cd239edc5c9e097ce56e1e14e91071dfbc9"
Job succeeded
2026-01-13 20:42.02: Job succeeded