2025-08-22 08:14.56: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/support-ocaml-4-lwt-ppx (7c3daee1de732d223f43112638e375f9d389468e) (linux-s390x:debian-12-4.14_s390x_opam-2.4) Base: ocaml/opam:debian-12-ocaml-4.14@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e 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 7c3daee1 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-12-ocaml-4.14@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e # debian-12-4.14_s390x_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-bigarray.base base-bytes.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.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 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.dev lwt.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2025-08-22 08:14.56: Using cache hint "ocsigen/lwt-ocaml/opam:debian-12-ocaml-4.14@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e-debian-12-4.14_s390x_opam-2.4-69e16b930473ab97ce2f2bbc9754e2c5" 2025-08-22 08:14.56: Using OBuilder spec: ((from ocaml/opam:debian-12-ocaml-4.14@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e) (comment debian-12-4.14_s390x_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-bigarray.base base-bytes.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.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 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.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 --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build")) ) 2025-08-22 08:14.56: Waiting for resource in pool OCluster 2025-08-22 08:14.56: Waiting for worker… 2025-08-22 08:15.19: Got resource from pool OCluster Building on s390x-worker-01.marist.ci.dev All commits already cached HEAD is now at 7c3daee1d suppress warning (from ocaml/opam:debian-12-ocaml-4.14@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e) Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e' locally docker.io/ocaml/opam@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e: Pulling from ocaml/opam Digest: sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e Status: Downloaded newer image for ocaml/opam@sha256:141bdf174dd29aa50274729ebddfb427155a231af6d7593b335f8d0e6d39029e 2025-08-22 08:15.19 ---> using "c99a821604b68df9d87131bae9e911175ba155b8048f180b60b57c9b983a44ca" from cache /: (comment debian-12-4.14_s390x_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 08:15.19 ---> using "462078f6b5c5268874c0b09ec928c81980d312af1e447a880ae3968a965dc9c9" 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 08:15.19 ---> using "017b52c2a3386414ddb7da8ed1b622445da91c1cbf0435197987a5ec40ead9a0" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-55-generic The OCaml toplevel, version 4.14.2 2.4.1 2025-08-22 08:15.19 ---> using "e7699822a8262b2fd63018f13496f0854f5077948eba44645255d697f59e4cf4" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-08-22 08:15.19 ---> using "d325d3612f3c89e4541f1249d6d3dafcc34a675c452a88702c6995a6df9a8ff7" 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 f1d3c77350..0978bfceb7 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 Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.3.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2025-08-22 08:15.19 ---> using "0c47715ca859044b98baf0687fcb157acc24699217710f9ae292d48517cd7884" 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 08:15.19 ---> using "6d45e7270b13ce610e1e580daa7aec38e990bdfd7e40504bc90b007b44f7fa8c" from cache /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) lwt_ppx__ppx_let_tests is now pinned to file:///src (version dev) [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.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 08:15.19 ---> using "c2cb228ac38b8a917e7429c40067907587963084cd14e34bb552814d43379dab" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-08-22 08:15.19 ---> using "61172aa5c0daa618c2cf3b842e687b67b2aff86b67d54081f875795e2a106aea" from cache /src: (env DEPS "base-bigarray.base base-bytes.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.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 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.dev lwt.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian bookworm InRelease [151 kB] - Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB] - Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB] - Get:4 http://deb.debian.org/debian bookworm-updates/main s390x Packages.diff/Index [21.8 kB] - Ign:4 http://deb.debian.org/debian bookworm-updates/main s390x Packages.diff/Index - Get:5 http://deb.debian.org/debian bookworm-updates/main s390x Packages [6932 B] - Get:6 http://deb.debian.org/debian-security bookworm-security/main s390x Packages [243 kB] - Fetched 526 kB in 0s (1925 kB/s) - Reading package lists... <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt.dev] synchronised (file:///src) [lwt_ppx.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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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-bigarray is already installed (current version is base). 2025-08-22 08:15.19 ---> using "5048d053090778c6374eb4d2b27889162dcdc6135017a286d59ade0be2eaadd5" from cache /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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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-bigarray is already installed (current version is base). The following actions will be performed: === install 15 packages - 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 v0.12.4 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install ppx_derivers 1.2.1 - 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 cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved dune.3.20.0, dune-configurator.3.20.0 (cached) -> retrieved ocaml-compiler-libs.v0.12.4 (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 react.1.2.2 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved ppxlib.0.36.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.0 (cached) -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed ocamlbuild.0.16.1 -> installed topkg.1.1.0 -> installed react.1.2.2 -> installed dune.3.20.0 -> installed csexp.1.5.2 -> installed ppx_derivers.1.2.1 -> installed cppo.1.8.0 -> installed ocaml-compiler-libs.v0.12.4 -> installed ocplib-endian.1.2 -> installed sexplib0.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed dune-configurator.3.20.0 -> installed ppxlib.0.36.0 Done. # To update the current shell environment, run: eval $(opam env) 2025-08-22 08:15.19 ---> using "a3af5fe41c37bf9c1c91215be3e4c83badef32ee9bea8c7b12f279979287a053" from cache /src: (copy (src .) (dst /src)) 2025-08-22 08:15.21 ---> saved as "a191514cf1d188489eb0cc1e3165d530a3aeefaac149cf20cd794a67398a74e0" /src: (run (shell "opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build")) (cd _build/default && /home/opam/.opam/4.14/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 -I src/core/.lwt.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o src/core/.lwt.objs/byte/lwt_stream.cmo -c -impl src/core/lwt_stream.ml) File "src/core/lwt_stream.ml", line 46, characters 2-55: 46 | mutable push_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field push_external is never read. (However, this field is used to build or mutate values.) File "src/core/lwt_stream.ml", line 67, characters 2-56: 67 | mutable pushb_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field pushb_external is never read. (However, this field is used to build or mutate values.) (cd _build/default && /home/opam/.opam/4.14/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/core/.lwt.objs/byte -I src/core/.lwt.objs/native -intf-suffix .ml -no-alias-deps -opaque -o src/core/.lwt.objs/native/lwt_stream.cmx -c -impl src/core/lwt_stream.ml) File "src/core/lwt_stream.ml", line 46, characters 2-55: 46 | mutable push_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field push_external is never read. (However, this field is used to build or mutate values.) File "src/core/lwt_stream.ml", line 67, characters 2-56: 67 | mutable pushb_external : Obj.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): record field pushb_external is never read. (However, this field is used to build or mutate values.) (cd _build/default && /home/opam/.opam/4.14/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 -I src/unix/.lwt_unix.objs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -intf-suffix .ml -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 2-68: 76 | mutable queued : unit Lwt.u Lwt_sequence.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): mutable record field queued is never mutated. (cd _build/default && /home/opam/.opam/4.14/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/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -intf-suffix .ml -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 2-68: 76 | mutable queued : unit Lwt.u Lwt_sequence.t [@ocaml.warning "-69"]; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Error (warning 69 [unused-field]): mutable record field queued is never mutated. "/usr/bin/env" "bash" "-c" "opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build" failed with exit status 1 2025-08-22 08:15.29: Job failed: Failed: Build failed