Getting StartedDocumentation
Organisationsocaml-multicorepicos43227e ()ubuntu-25.10-5.4_opam-2.5

ubuntu-25.10-5.4_opam-2.5

Link Copied
Code Copied

Logs

Show raw logs
2026-01-22 16:37.57: New job: test ocaml-multicore/picos https://github.com/ocaml-multicore/picos.git#refs/heads/experimental-htbl (43227e6c43cc210ec279a17530a8f7fd90d55d9d) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5)
Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocaml-multicore/picos.git" -b "experimental-htbl" && cd "picos" && git reset --hard 43227e6c
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d
# ubuntu-25.10-5.4_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 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa || git fetch origin master) && git reset -q --hard 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 picos_std.opam picos_mux.opam picos_meta.opam picos_lwt.opam picos_io_cohttp.opam picos_io.opam picos_aux.opam picos.opam ./
RUN opam pin add -yn picos_std.dev './' && \
opam pin add -yn picos_mux.dev './' && \
opam pin add -yn picos_meta.dev './' && \
opam pin add -yn picos_lwt.dev './' && \
opam pin add -yn picos_io_cohttp.dev './' && \
opam pin add -yn picos_io.dev './' && \
opam pin add -yn picos_aux.dev './' && \
opam pin add -yn picos.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="alcotest.1.9.1 angstrom.0.16.1 asn1-combinators.0.3.2 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bigstringaf.0.10.0 bos.0.2.1 ca-certs.1.0.1 camlp-streams.5.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 cohttp-lwt-unix.6.2.1 conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-npm.1 conf-pkg-config.4 containers.3.17 cppo.1.8.0 csexp.1.5.2 digestif.1.3.0 domain-local-await.1.0.1 domain-name.0.5.0 domain_shims.0.1.0 dscheck.0.5.0 dune.3.21.0 dune-configurator.3.21.0 duration.0.2.1 either.1.0.0 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gen.1.1 gmap.0.3.0 http.6.2.1 ipaddr.5.6.1 ipaddr-sexp.5.6.1 js_of_ocaml.6.2.0 js_of_ocaml-compiler.6.2.0 kdf.1.0.0 logs.0.10.0 lwt.6.0.0 macaddr.5.6.1 magic-mime.1.3.1 mdx.2.5.1 menhir.20250912 menhirCST.20250912 menhirLib.20250912 menhirSdk.20250912 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 multicore-magic-dscheck.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ohex.0.2.0 oseq.0.5.1 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 psq.0.2.1 ptime.1.2.0 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 rresult.0.7.0 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 thread-local-storage.0.2 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 x509.1.0.6 yojson.3.0.0 zarith.1.14"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.5 --depext-only -y picos_std.dev picos_mux.dev picos_meta.dev picos_lwt.dev picos_io_cohttp.dev picos_io.dev picos_aux.dev picos.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


2026-01-22 16:37.57: Using cache hint "ocaml-multicore/picos-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d-ubuntu-25.10-5.4_opam-2.5-7f5e631d4708adea99ea2776af8daa2c"
2026-01-22 16:37.57: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d)
(comment ubuntu-25.10-5.4_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 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa || git fetch origin master) && git reset -q --hard 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src picos_std.opam picos_mux.opam picos_meta.opam picos_lwt.opam picos_io_cohttp.opam picos_io.opam picos_aux.opam picos.opam)
(dst ./))
(run (network host)
(shell  "opam pin add -yn picos_std.dev './' && \
\nopam pin add -yn picos_mux.dev './' && \
\nopam pin add -yn picos_meta.dev './' && \
\nopam pin add -yn picos_lwt.dev './' && \
\nopam pin add -yn picos_io_cohttp.dev './' && \
\nopam pin add -yn picos_io.dev './' && \
\nopam pin add -yn picos_aux.dev './' && \
\nopam pin add -yn picos.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "alcotest.1.9.1 angstrom.0.16.1 asn1-combinators.0.3.2 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bigstringaf.0.10.0 bos.0.2.1 ca-certs.1.0.1 camlp-streams.5.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 cohttp-lwt-unix.6.2.1 conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-npm.1 conf-pkg-config.4 containers.3.17 cppo.1.8.0 csexp.1.5.2 digestif.1.3.0 domain-local-await.1.0.1 domain-name.0.5.0 domain_shims.0.1.0 dscheck.0.5.0 dune.3.21.0 dune-configurator.3.21.0 duration.0.2.1 either.1.0.0 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gen.1.1 gmap.0.3.0 http.6.2.1 ipaddr.5.6.1 ipaddr-sexp.5.6.1 js_of_ocaml.6.2.0 js_of_ocaml-compiler.6.2.0 kdf.1.0.0 logs.0.10.0 lwt.6.0.0 macaddr.5.6.1 magic-mime.1.3.1 mdx.2.5.1 menhir.20250912 menhirCST.20250912 menhirLib.20250912 menhirSdk.20250912 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 multicore-magic-dscheck.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ohex.0.2.0 oseq.0.5.1 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 psq.0.2.1 ptime.1.2.0 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 rresult.0.7.0 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 thread-local-storage.0.2 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 x509.1.0.6 yojson.3.0.0 zarith.1.14")
(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 picos_std.dev picos_mux.dev picos_meta.dev picos_lwt.dev picos_io_cohttp.dev picos_io.dev picos_aux.dev picos.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"))
)


2026-01-22 16:37.57: Waiting for resource in pool OCluster
2026-01-22 16:37.57: Waiting for worker…
2026-01-22 16:53.31: Got resource from pool OCluster
Building on toxis.caelum.ci.dev
HEAD is now at 54e5b45 Experimental more incremental resize approach
HEAD is now at 43227e6 Experimental more incremental resize approach


(from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d)
2026-01-22 16:53.50 ---> saved as "af32c03474fe19e80e592c8693340c8ce6655469affb5fd3412b6c6978beb304"


/: (comment ubuntu-25.10-5.4_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"))
2026-01-22 16:53.50 ---> saved as "48ca1be731ec09fa9fcf51eb3c760bbe808657f16675c4adc3c7616d0ca1628a"


/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
2026-01-22 16:54.27 ---> saved as "54834730e5f1ef7889eb8abe62f024973502919b990d0be6ecd40fc47d38fbbf"


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 5.15.0-134-generic
The OCaml toplevel, version 5.4.0
2.5.0
2026-01-22 16:54.27 ---> saved as "3e6a607d767caf9a7be377c7cbb1abf80ab9aacf5c9cbcdd190a786907db7f65"


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-01-22 16:54.28 ---> saved as "1203abad3b4e5797f4c1fa2491ba5736556317f6d5986a0b7b75b6407db4b5a4"


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa || git fetch origin master) && git reset -q --hard 1c997ec9e6ebc6ea699547000cb8dfa44e52efaa && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
a6b2f19780..69f4d66596  master     -> origin/master
1c997ec9e6 Merge pull request #29241 from polytypic/release-multicore-magic-2.3.2


<><> 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)
2026-01-22 16:54.49 ---> saved as "dcbbe9b530c384814d2831af34486293282d357bb6717aac736325ae4d0b2353"


/src: (copy (src picos_std.opam picos_mux.opam picos_meta.opam picos_lwt.opam picos_io_cohttp.opam picos_io.opam picos_aux.opam picos.opam)
(dst ./))
2026-01-22 16:54.49 ---> saved as "ae92a4b0846ef7b6260dfc21915d1385709fb207af4e41637c938d60a56411fd"


/src: (run (network host)
(shell  "opam pin add -yn picos_std.dev './' && \
\nopam pin add -yn picos_mux.dev './' && \
\nopam pin add -yn picos_meta.dev './' && \
\nopam pin add -yn picos_lwt.dev './' && \
\nopam pin add -yn picos_io_cohttp.dev './' && \
\nopam pin add -yn picos_io.dev './' && \
\nopam pin add -yn picos_aux.dev './' && \
\nopam pin add -yn picos.dev './'"))
[picos_std.dev] synchronised (file:///src)
picos_std is now pinned to file:///src (version dev)
[picos_mux.dev] synchronised (file:///src)
picos_mux is now pinned to file:///src (version dev)
[picos_meta.dev] synchronised (file:///src)
picos_meta is now pinned to file:///src (version dev)
[picos_lwt.dev] synchronised (file:///src)
picos_lwt is now pinned to file:///src (version dev)
[picos_io_cohttp.dev] synchronised (file:///src)
picos_io_cohttp is now pinned to file:///src (version dev)
[picos_io.dev] synchronised (file:///src)
picos_io is now pinned to file:///src (version dev)
[picos_aux.dev] synchronised (file:///src)
picos_aux is now pinned to file:///src (version dev)
[picos.dev] synchronised (file:///src)
picos is now pinned to file:///src (version dev)
2026-01-22 16:55.09 ---> saved as "7b1d0f422be12a79e9f472a4ce57294ae04f5d496b9ebfb1781cb8e4a88238d2"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-01-22 16:55.09 ---> saved as "a05f18ff870c603ad804c9036cab38ce0eacdc1241b1ebf35abbf1cb00e64ce1"


/src: (env DEPS "alcotest.1.9.1 angstrom.0.16.1 asn1-combinators.0.3.2 astring.0.8.5 backoff.0.1.1 base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bigstringaf.0.10.0 bos.0.2.1 ca-certs.1.0.1 camlp-streams.5.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 cohttp-lwt-unix.6.2.1 conduit.8.0.0 conduit-lwt.8.0.0 conduit-lwt-unix.8.0.0 conf-gmp.5 conf-gmp-powm-sec.4 conf-npm.1 conf-pkg-config.4 containers.3.17 cppo.1.8.0 csexp.1.5.2 digestif.1.3.0 domain-local-await.1.0.1 domain-name.0.5.0 domain_shims.0.1.0 dscheck.0.5.0 dune.3.21.0 dune-configurator.3.21.0 duration.0.2.1 either.1.0.0 eqaf.0.10 fmt.0.11.0 fpath.0.7.3 gen.1.1 gmap.0.3.0 http.6.2.1 ipaddr.5.6.1 ipaddr-sexp.5.6.1 js_of_ocaml.6.2.0 js_of_ocaml-compiler.6.2.0 kdf.1.0.0 logs.0.10.0 lwt.6.0.0 macaddr.5.6.1 magic-mime.1.3.1 mdx.2.5.1 menhir.20250912 menhirCST.20250912 menhirLib.20250912 menhirSdk.20250912 mirage-crypto.2.0.2 mirage-crypto-ec.2.0.2 mirage-crypto-pk.2.0.2 mirage-crypto-rng.2.0.2 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 multicore-magic-dscheck.2.3.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ohex.0.2.0 oseq.0.5.1 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 psq.0.2.1 ptime.1.2.0 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 rresult.0.7.0 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 thread-local-storage.0.2 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 x509.1.0.6 yojson.3.0.0 zarith.1.14")


/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 picos_std.dev picos_mux.dev picos_meta.dev picos_lwt.dev picos_io_cohttp.dev picos_io.dev picos_aux.dev picos.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://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [118 kB]
- Get:5 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]
- Get:6 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [304 kB]
- Get:7 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [175 kB]
- Get:8 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [146 kB]
- Get:9 http://archive.ubuntu.com/ubuntu questing-updates/multiverse amd64 Packages [2216 B]
- Get:10 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [182 kB]
- Get:11 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [120 kB]
- Fetched 1452 kB in 1s (1329 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[picos.dev] synchronised (file:///src)
[picos_aux.dev] synchronised (file:///src)
[picos_io.dev] synchronised (file:///src)
[picos_io_cohttp.dev] synchronised (file:///src)
[picos_lwt.dev] synchronised (file:///src)
[picos_meta.dev] synchronised (file:///src)
[picos_mux.dev] synchronised (file:///src)
[picos_std.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).


The following system packages will first need to be installed:
libgmp-dev npm pkg-config


<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>


+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libgmp-dev" "npm" "pkg-config"
2026-01-22 16:55.58: Cancelling: Auto-cancelling job because it is no longer needed
Job cancelled