ubuntu-25.04-5.3_opam-2.4

2025-08-22 08:07.33: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/support-ocaml-4-lwt-ppx (2963dbb888aa349516110710156274191fa46403) (linux-x86_64:ubuntu-25.04-5.3_opam-2.4)
Base: ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93
Opam project build


To reproduce locally:


git clone --recursive "https://github.com/ocsigen/lwt.git" -b "support-ocaml-4-lwt-ppx" && cd "lwt" && git reset --hard 2963dbb8
cat > Dockerfile <<'END-OF-DOCKERFILE'
FROM ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93
# ubuntu-25.04-5.3_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 f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 || git fetch origin master) && git reset -q --hard f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 && git log --no-decorate -n1 --oneline && opam update -u
COPY --chown=1000:1000 lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam ./
RUN opam pin add -yn lwt_retry.dev './' && \
opam pin add -yn lwt_react.dev './' && \
opam pin add -yn lwt_ppx__ppx_let_tests.dev './' && \
opam pin add -yn lwt_ppx.dev './' && \
opam pin add -yn lwt.dev './'
RUN echo '(lang dune 3.0)' > './dune-project'
ENV DEPS="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 cppo.1.8.0 csexp.1.5.2 dune.3.20.0 dune-configurator.3.20.0 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.17.0 ppx_let.v0.17.1 ppxlib.0.36.0 react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0"
ENV CI="true"
ENV OCAMLCI="true"
RUN opam update --depexts && opam install --cli=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt.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


2025-08-22 08:07.33: Using cache hint "ocsigen/lwt-ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93-ubuntu-25.04-5.3_opam-2.4-fb8ab9155866fcfeebf72ac0a5da2d30"
2025-08-22 08:07.33: Using OBuilder spec:
((from ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93)
(comment ubuntu-25.04-5.3_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 f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 || git fetch origin master) && git reset -q --hard f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 && git log --no-decorate -n1 --oneline && opam update -u"))
(copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam)
(dst ./))
(run (network host)
(shell  "opam pin add -yn lwt_retry.dev './' && \
\nopam pin add -yn lwt_react.dev './' && \
\nopam pin add -yn lwt_ppx__ppx_let_tests.dev './' && \
\nopam pin add -yn lwt_ppx.dev './' && \
\nopam pin add -yn lwt.dev './'"))
(run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
(env DEPS "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 cppo.1.8.0 csexp.1.5.2 dune.3.20.0 dune-configurator.3.20.0 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.17.0 ppx_let.v0.17.1 ppxlib.0.36.0 react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0")
(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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt.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"))
)


2025-08-22 08:07.33: Waiting for resource in pool OCluster
2025-08-22 08:07.34: Waiting for worker…
2025-08-22 08:07.34: Got resource from pool OCluster
Building on bremusa.ocamllabs.io
HEAD is now at e746d4d3a restore lwt_ppx compatible with ocaml4
HEAD is now at 2963dbb88 fix unix compilation


(from ocaml/opam:ubuntu-25.04-ocaml-5.3@sha256:124a52160e4ea699e59a91d7f5e2e8443befd060c18b27eb6007f855adc30d93)
2025-08-22 08:07.35 ---> using "d30519b4acdd57742b165f681c15a599aecbfb24619a803ce0d60757b34b2167" from cache


/: (comment ubuntu-25.04-5.3_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"))
2025-08-22 08:07.35 ---> using "f246f4986611cfad265009a42a8a72d8438f00b872c9afcda05da64805d1beae" 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
2025-08-22 08:07.35 ---> using "1fbf02475475c348bd88f5d066d3fe619ade5b4a8db6c274116d5ef338e91925" from cache


/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))
Linux 6.8.0-63-generic
The OCaml toplevel, version 5.3.0
2.4.1
2025-08-22 08:07.35 ---> using "e907eaf9f29c835755a2fe7116a0f8cae47cfe00d485f386f422668b72dfcb60" from cache


/src: (workdir /src)


/src: (run (shell "sudo chown opam /src"))
2025-08-22 08:07.35 ---> using "03e37adb747b7c9a784a95a214bcb087341bc9513415faa991b59cd13889a2ce" from cache


/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))
(network host)
(shell "cd ~/opam-repository && (git cat-file -e f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 || git fetch origin master) && git reset -q --hard f9d23e5cb169337cdf0aac6321e4ec46f6f64a74 && git log --no-decorate -n1 --oneline && opam update -u"))
From https://github.com/ocaml/opam-repository
* branch                  master     -> FETCH_HEAD
ee8b9193dd..4bae7ec4df  master     -> origin/master
f9d23e5cb1 Merge pull request #28357 from maiste/release-dune-3.20.0


<><> 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)
2025-08-22 08:07.35 ---> using "d43f5916278e7c9a51f7477bae4ce2abad3f68e327e8ade8e39dd52e004d4069" from cache


/src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam)
(dst ./))
2025-08-22 08:07.35 ---> saved as "7f6e1f0517ed7af2844d1e4182d35f9e2f538bd02d0eae9b5ba9d299bb64de73"


/src: (run (network host)
(shell  "opam pin add -yn lwt_retry.dev './' && \
\nopam pin add -yn lwt_react.dev './' && \
\nopam pin add -yn lwt_ppx__ppx_let_tests.dev './' && \
\nopam pin add -yn lwt_ppx.dev './' && \
\nopam pin add -yn lwt.dev './'"))
[lwt_retry.dev] synchronised (file:///src)
lwt_retry is now pinned to file:///src (version dev)
[lwt_react.dev] synchronised (file:///src)
lwt_react is now pinned to file:///src (version dev)
[NOTE] Package lwt_ppx__ppx_let_tests does not exist in opam repositories registered in the current switch.
[lwt_ppx__ppx_let_tests.dev] synchronised (file:///src)
[WARNING] Failed checks on lwt_ppx__ppx_let_tests package definition from source at file:///src:
warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "NOTFORRELEASE"
lwt_ppx__ppx_let_tests is now pinned to file:///src (version dev)
[lwt_ppx.dev] synchronised (file:///src)
lwt_ppx is now pinned to file:///src (version dev)
[lwt.dev] synchronised (file:///src)
lwt is now pinned to file:///src (version dev)
2025-08-22 08:07.43 ---> saved as "44da378bbfad793fb8d67782206a5a5a20de84b5dec0a34fdb897b59d3fb5c12"


/src: (run (network host)
(shell "echo '(lang dune 3.0)' > './dune-project'"))
2025-08-22 08:07.43 ---> saved as "e0007b6d3a325097b4861d46992e07a8f7181bbcc35a6fe64d2c8b18c3d24451"


/src: (env DEPS "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 cppo.1.8.0 csexp.1.5.2 dune.3.20.0 dune-configurator.3.20.0 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.17.0 ppx_let.v0.17.1 ppxlib.0.36.0 react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0")


/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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt.dev $DEPS"))
+ /usr/bin/sudo "apt-get" "update"
- Get:1 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB]
- Get:2 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [230 kB]
- Get:3 http://security.ubuntu.com/ubuntu plucky-security/restricted amd64 Packages [181 kB]
- Get:4 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [139 kB]
- Hit:5 http://archive.ubuntu.com/ubuntu plucky InRelease
- Get:6 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB]
- Get:7 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB]
- Get:8 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [248 kB]
- Get:9 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [205 kB]
- Get:10 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [356 kB]
- Fetched 1738 kB in 7s (247 kB/s)
- Reading package lists...
- 


<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>
[lwt.dev] synchronised (file:///src)
[lwt_ppx.dev] synchronised (file:///src)
[lwt_ppx__ppx_let_tests.dev] synchronised (file:///src)
[lwt_react.dev] synchronised (file:///src)
[lwt_retry.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 5.3.0).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[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).
2025-08-22 08:08.00 ---> saved as "283b93ea2543bde2232d9a6a5446d4ec0f3022cda991d639dd66f42ac9a13fef"


/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 5.3.0).
[NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0).
[NOTE] Package ocaml is already installed (current version is 5.3.0).
[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 19 packages
- install base                    v0.17.3
- install base-bytes              base
- install cppo                    1.8.0
- install csexp                   1.5.2
- install dune                    3.20.0
- install dune-configurator       3.20.0
- install ocaml-compiler-libs     v0.17.0
- install ocaml_intrinsics_kernel v0.17.1
- install ocamlbuild              0.16.1
- install ocamlfind               1.9.8
- install ocplib-endian           1.2
- install ppx_derivers            1.2.1
- install ppx_here                v0.17.0
- install ppx_let                 v0.17.1
- install ppxlib                  0.36.0
- install react                   1.2.2
- install sexplib0                v0.17.0
- install stdlib-shims            0.3.0
- install topkg                   1.1.0


<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>
-> retrieved base.v0.17.3  (cached)
-> retrieved cppo.1.8.0  (cached)
-> retrieved csexp.1.5.2  (cached)
-> retrieved ocaml-compiler-libs.v0.17.0  (cached)
-> retrieved ocaml_intrinsics_kernel.v0.17.1  (cached)
-> retrieved ocamlbuild.0.16.1  (cached)
-> retrieved ocamlfind.1.9.8  (cached)
-> retrieved ocplib-endian.1.2  (cached)
-> retrieved ppx_derivers.1.2.1  (cached)
-> retrieved ppx_here.v0.17.0  (cached)
-> retrieved ppx_let.v0.17.1  (cached)
-> retrieved react.1.2.2  (cached)
-> retrieved sexplib0.v0.17.0  (cached)
-> retrieved stdlib-shims.0.3.0  (cached)
-> retrieved topkg.1.1.0  (cached)
-> retrieved ppxlib.0.36.0  (cached)
-> retrieved dune.3.20.0, dune-configurator.3.20.0  (cached)
-> installed ocamlbuild.0.16.1
-> installed ocamlfind.1.9.8
-> installed base-bytes.base
-> installed topkg.1.1.0
-> installed react.1.2.2
-> installed dune.3.20.0
-> installed ppx_derivers.1.2.1
-> 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 sexplib0.v0.17.0
-> installed stdlib-shims.0.3.0
-> installed ocplib-endian.1.2
-> installed dune-configurator.3.20.0
-> installed base.v0.17.3
-> installed ppxlib.0.36.0
-> installed ppx_here.v0.17.0
-> installed ppx_let.v0.17.1
Done.
# To update the current shell environment, run: eval $(opam env)
2025-08-22 08:09.01 ---> saved as "c7bdfabacdedc4d2fce354fde391ef20676d1ff2733e7dd35a971736f551c278"


/src: (copy (src .) (dst /src))
2025-08-22 08:09.02 ---> saved as "9fe5bcb266b299afb513cddc354bfdddd534833ad9fe8f0ea80899f32671439b"


/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))
(cd _build/default && /home/opam/.opam/5.3/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/unix/.lwt_unix.objs/byte -I /home/opam/.opam/5.3/lib/bytes -I /home/opam/.opam/5.3/lib/ocaml/threads -I /home/opam/.opam/5.3/lib/ocaml/unix -I /home/opam/.opam/5.3/lib/ocplib-endian -I /home/opam/.opam/5.3/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -cmi-file src/unix/.lwt_unix.objs/byte/lwt_io.cmi -no-alias-deps -opaque -o src/unix/.lwt_unix.objs/byte/lwt_io.cmo -c -impl src/unix/lwt_io.ml)
File "src/unix/lwt_io.ml", line 76, characters 2-45:
76 |   mutable queued : unit Lwt.u Lwt_sequence.t;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error (warning 69 [unused-field]): mutable record field queued is never mutated.
(cd _build/default && /home/opam/.opam/5.3/bin/ocamlopt.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 -I src/unix/.lwt_unix.objs/byte -I src/unix/.lwt_unix.objs/native -I /home/opam/.opam/5.3/lib/bytes -I /home/opam/.opam/5.3/lib/ocaml/threads -I /home/opam/.opam/5.3/lib/ocaml/unix -I /home/opam/.opam/5.3/lib/ocplib-endian -I /home/opam/.opam/5.3/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -cmi-file src/unix/.lwt_unix.objs/byte/lwt_io.cmi -no-alias-deps -opaque -o src/unix/.lwt_unix.objs/native/lwt_io.cmx -c -impl src/unix/lwt_io.ml)
File "src/unix/lwt_io.ml", line 76, characters 2-45:
76 |   mutable queued : unit Lwt.u Lwt_sequence.t;
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error (warning 69 [unused-field]): mutable record field queued is never mutated.
"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1
2025-08-22 08:09.06: Job failed: Failed: Build failed