ubuntu-25.10-5.4_opam-2.5

2026-04-16 16:37.58: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5)
Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/jmid/mutaml.git" -b "main" && cd "mutaml" && git reset --hard 783831dc
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b
# 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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 mutaml.opam ./
RUN opam pin add -yn mutaml.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_js_style.v0.17.1 ppx_yojson_conv.v0.17.1 ppx_yojson_conv_lib.v0.17.0 ppxlib.0.38.0 seq.base sexplib0.v0.17.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.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


2026-04-16 16:37.58: Using cache hint "jmid/mutaml-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b-ubuntu-25.10-5.4_opam-2.5-b89b763db5a073438c5cd4df74d63046"
2026-04-16 16:37.58: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b)
(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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src mutaml.opam) (dst ./))
(run (network host)
(shell "opam pin add -yn mutaml.dev './'"))
(run (shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_js_style.v0.17.1 ppx_yojson_conv.v0.17.1 ppx_yojson_conv_lib.v0.17.0 ppxlib.0.38.0 seq.base sexplib0.v0.17.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0")
(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 mutaml.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"))
)


2026-04-16 16:37.58: Waiting for resource in pool OCluster
2026-04-16 18:00.57: Waiting for worker…
2026-04-16 18:10.52: Got resource from pool OCluster
Building on asteria.caelum.ci.dev
All commits already cached
HEAD is now at 783831d Merge pull request #44 from jmid/dependabot/github_actions/actions/checkout-5


(from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b)
Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b' locally
docker.io/ocaml/opam@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b: Pulling from ocaml/opam
Digest: sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b
Status: Downloaded newer image for ocaml/opam@sha256:46063c0a705bfb0a070cd405527fed49717585d0bd9766f352ba4fef419c2b4b
2026-04-16 18:11.12 ---> using "6f30897515c1e824a950778ea676e229c104637b6aa7ebb64a6b53fea7d6cfa7" from cache


/: (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"))
2026-04-16 18:11.22 ---> using "ed652262ffe41adc8028dee056f45315aa4f3887ab4acc45b8d73186149e101e" 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
2026-04-16 18:11.35 ---> using "ad4cd56fa8230439a361a9df0e86dd3506d48c3e5068086c2933cdd52eceab67" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-107-generic
The OCaml toplevel, version 5.4.1
2.5.0
2026-04-16 18:11.49 ---> using "71a2c562bc27d627cf1dd84848313ec1ea0634d615bb73f843054f8c68abea91" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2026-04-16 18:11.56 ---> using "575fef843e896b9779ee1eb6db58ec4085b692ac117dad7cfb2598c75e137f99" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
42844088d7..0b0acbee05  master     -> origin/master
5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2


<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>
[default] synchronised from git+file:///home/opam/opam-repository


Everything as up-to-date as possible
However, 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)
2026-04-16 18:12.03 ---> using "9eb95d3852e3beeeb36c66a42c5def05c3fff3eacb4a58bfbfa8a54ce8dcf274" from cache


/src: (copy (src mutaml.opam) (dst ./))
2026-04-16 18:12.37 ---> saved as "078f00d3d0cf0ff03968b0d2a3ccc2b98f9b0205e1a941279ef0f15b2a6e0783"


/src: (run (network host)
(shell "opam pin add -yn mutaml.dev './'"))
[mutaml.dev] synchronised (file:///src)
mutaml is now pinned to file:///src (version dev)
2026-04-16 18:12.55 ---> saved as "2c100cf7eaa3f1570b96bd7cf9ba1b1cb6c0fb79a17c278136f96f644eaa1af9"


/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))
2026-04-16 18:13.22 ---> saved as "3cb27f6bb70f5f19289177623ef3dfe065fc83ffb42ba21802f2135e9205bb02"


/src: (env DEPS "base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_js_style.v0.17.1 ppx_yojson_conv.v0.17.1 ppx_yojson_conv_lib.v0.17.0 ppxlib.0.38.0 seq.base sexplib0.v0.17.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0")


/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 mutaml.dev $DEPS"))
+ /usr/bin/sudo "apt-get" "update"
- Hit:1 http://archive.ubuntu.com/ubuntu questing InRelease
- Get:2 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]
- Get:3 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]
- Get:4 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [498 kB]
- Get:5 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]
- Get:6 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [357 kB]
- Get:7 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [275 kB]
- Get:8 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [361 kB]
- Get:9 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [258 kB]
- Get:10 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [256 kB]
- Fetched 2410 kB in 27s (89.1 kB/s)
- Reading package lists...


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[mutaml.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 5.4.1).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).
[NOTE] Package ocaml is already installed (current version is 5.4.1).
[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)
2026-04-16 18:14.14 ---> saved as "5e1a2351b4fcb92ea44e5a3af9541425a8e16eeaf03020d3c47694f18d57bf45"


/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 5.4.1).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).
[NOTE] Package ocaml is already installed (current version is 5.4.1).
[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 23 packages
- install base                    v0.17.3
- install conf-diffutils          2
- install conf-timeout            1
- install cppo                    1.8.0
- install csexp                   1.5.2
- install dune                    3.22.2
- install dune-configurator       3.22.2
- install ocaml-compiler-libs     v0.17.0
- install ocaml_intrinsics_kernel v0.17.1
- install ocamlfind               1.9.8
- install octavius                1.2.2
- install ounit2                  2.2.7
- install ppx_derivers            1.2.1
- install ppx_deriving            6.1.1
- install ppx_js_style            v0.17.1
- install ppx_yojson_conv         v0.17.1
- install ppx_yojson_conv_lib     v0.17.0
- install ppxlib                  0.38.0
- install seq                     base
- install sexplib0                v0.17.0
- install stdlib-random           1.2.0
- install stdlib-shims            0.3.0
- install yojson                  3.0.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved base.v0.17.3  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> installed conf-diffutils.2
-> installed conf-timeout.1
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved octavius.1.2.2  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ounit2.2.2.7  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_js_style.v0.17.1  (cached)
-> retrieved ppx_deriving.6.1.1  (cached)
-> retrieved ppx_yojson_conv.v0.17.1  (cached)
-> retrieved ppx_yojson_conv_lib.v0.17.0  (cached)
-> retrieved seq.base  (cached)
-> installed seq.base
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdlib-random.1.2.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved yojson.3.0.0  (cached)
-> retrieved ppxlib.0.38.0  (cached)
-> retrieved dune.3.22.2, dune-configurator.3.22.2  (cached)
-> installed ocamlfind.1.9.8
-> installed dune.3.22.2
-> installed csexp.1.5.2
-> installed cppo.1.8.0
-> installed ocaml-compiler-libs.v0.17.0
-> installed ocaml_intrinsics_kernel.v0.17.1
-> installed octavius.1.2.2
-> installed ppx_derivers.1.2.1
-> installed sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed yojson.3.0.0
-> installed stdlib-random.1.2.0
-> installed ppx_yojson_conv_lib.v0.17.0
-> installed ounit2.2.2.7
-> installed dune-configurator.3.22.2
-> installed base.v0.17.3
-> installed ppxlib.0.38.0
-> installed ppx_js_style.v0.17.1
-> installed ppx_deriving.6.1.1
-> installed ppx_yojson_conv.v0.17.1
Done.
# To update the current shell environment, run: eval $(opam env)
2026-04-16 18:15.45 ---> saved as "169870ab11c6257d44ab6f4d15fb4ecbfbea5ff2003137a9a5ef5b41a86092a9"


/src: (copy (src .) (dst /src))
2026-04-16 18:21.29 ---> saved as "1eb4057ae7405110d30813c5dfced6c44b6d2cfe630a8f9bf7a1b243fd5a048e"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
(cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe)
..
Ran: 2 tests in: 0.10 seconds.
OK
(cd _build/default/examples/testproj-1-module && ./ounittest.exe)
....
Ran: 4 tests in: 0.11 seconds.
OK
(cd _build/default && /home/opam/.opam/5.4/bin/ocamlc.opt -w @1..3@5..28@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I src/ppx/.mutaml_ppx.objs/byte -I /home/opam/.opam/5.4/lib/ocaml-compiler-libs/common -I /home/opam/.opam/5.4/lib/ocaml-compiler-libs/shadow -I /home/opam/.opam/5.4/lib/ocaml/compiler-libs -I /home/opam/.opam/5.4/lib/ppx_derivers -I /home/opam/.opam/5.4/lib/ppx_yojson_conv_lib -I /home/opam/.opam/5.4/lib/ppxlib -I /home/opam/.opam/5.4/lib/ppxlib/ast -I /home/opam/.opam/5.4/lib/ppxlib/astlib -I /home/opam/.opam/5.4/lib/ppxlib/print_diff -I /home/opam/.opam/5.4/lib/ppxlib/stdppx -I /home/opam/.opam/5.4/lib/ppxlib/traverse_builtins -I /home/opam/.opam/5.4/lib/sexplib0 -I /home/opam/.opam/5.4/lib/stdlib-random/v4 -I /home/opam/.opam/5.4/lib/stdlib-shims -I /home/opam/.opam/5.4/lib/yojson -I src/common/.mutaml_common.objs/byte -no-alias-deps -opaque -o src/ppx/.mutaml_ppx.objs/byte/mutaml_ppx.cmo -c -impl src/ppx/mutaml_ppx.pp.ml)
File "src/ppx/mutaml_ppx.ml", line 466, characters 9-28:
466 |     | _, Pexp_function cases ->
^^^^^^^^^^^^^^^^^^^
Error: The constructor Pexp_function expects 3 argument(s),
but is applied here to 1 argument(s)
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2026-04-16 18:23.05: Job failed: Failed: Build failed