2026-05-26 17:18.15: New job: test ocaml-ppx/ppxlib https://github.com/ocaml-ppx/ppxlib.git#refs/pull/640/head (f7aea0815af5188e826de63d14734985ca9ec70a) (linux-s390x:debian-13-5.4_s390x_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbbOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-ppx/ppxlib.git" && cd "ppxlib" && git fetch origin "refs/pull/640/head" && git reset --hard f7aea081cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb# debian-13-5.4_s390x_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --chown=1000:1000 ppxlib.opam ppxlib-tools.opam ppxlib-bench.opam ./RUN opam pin add -yn ppxlib.dev './' && \opam pin add -yn ppxlib-tools.dev './' && \opam pin add -yn ppxlib-bench.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 cinaps.v0.15.1 cmdliner.2.1.1 csexp.1.5.2 dune.3.23.1 dune-configurator.3.23.1 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.v0.17.2 ocamlfind.1.9.8 ppx_derivers.1.2.1 re.1.14.0 sexplib0.v0.17.0 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y ppxlib.dev ppxlib-tools.dev ppxlib-bench.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-05-26 17:18.15: Using cache hint "ocaml-ppx/ppxlib-ocaml/opam:debian-13-ocaml-5.4@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb-debian-13-5.4_s390x_opam-2.5-b66640535634494ff3041c37cc49ba3f"2026-05-26 17:18.15: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb)(comment debian-13-5.4_s390x_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 (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline"))(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 "opam update -u"))(copy (src ppxlib.opam ppxlib-tools.opam ppxlib-bench.opam) (dst ./))(run (network host)(shell "opam pin add -yn ppxlib.dev './' && \\nopam pin add -yn ppxlib-tools.dev './' && \\nopam pin add -yn ppxlib-bench.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 cinaps.v0.15.1 cmdliner.2.1.1 csexp.1.5.2 dune.3.23.1 dune-configurator.3.23.1 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.v0.17.2 ocamlfind.1.9.8 ppx_derivers.1.2.1 re.1.14.0 sexplib0.v0.17.0 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 ppxlib.dev ppxlib-tools.dev ppxlib-bench.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")))2026-05-26 17:18.15: Waiting for resource in pool OCluster2026-05-26 17:18.15: Waiting for worker…2026-05-26 17:42.56: Got resource from pool OClusterBuilding on s390x-worker-01.marist.ci.devAll commits already cachedHEAD is now at f7aea081 Add suggestions to invalid_encoding error(from ocaml/opam:debian-13-ocaml-5.4@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb)Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb' locallydocker.io/ocaml/opam@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb: Pulling from ocaml/opamDigest: sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbbStatus: Downloaded newer image for ocaml/opam@sha256:34b047b52894d41ab9cec70a806ab0b4122365099f190ddfdca0a185f18fdfbb2026-05-26 17:42.56 ---> using "57d2e9451a73ca71418d8865f91314fd310fbd9f220056a3c6e330c6a7437b30" from cache/: (comment debian-13-5.4_s390x_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"))2026-05-26 17:42.56 ---> using "8666ff4e6d3bf873f894700fb428b56d30b1e306ad5cede7c4c0deb39987a5b8" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADfc08333d1b..3e30e43808 master -> origin/masterc180e16309 Merge pull request #29907 from dra27/host-arch-fixes2026-05-26 17:42.56 ---> using "d02bf92d8cab54e50e8dc5a638d77f2f70d8d53db257d12901648667ef18a044" 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.Continue? [Y/n] yThis version of opam requires an update to the layout of /home/opam/.opam from version 2.1 to version 2.2, which can't be reverted.You may want to back it up before going further.[NOTE] The 'jobs' option was reset, its value was 1 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using:opam option jobs=1 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-05-26 17:42.56 ---> using "e771624ec2fcff415e5b44e420a3dbe49d2ea2549262e284aca3a8a4b8e2a893" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 5.4.12.5.12026-05-26 17:42.56 ---> using "bea28b7863fb6f894e6e1d149efd35ff30efb1a502138be40cb54ba862ff16f3" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-26 17:42.56 ---> using "80509d757dab30906564c604a677218064544f752bc0e9db4534d799aaa5c677" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///home/opam/opam-repositoryEverything as up-to-date as possibleThe following packages are not being upgraded because the new versions conflict with other installed packages:- ocaml.5.5.0However, 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)2026-05-26 17:42.56 ---> using "4fbe0c424b70640b8ab918d4637a62bb6a028b6429b263fa124720d3f5deaf04" from cache/src: (copy (src ppxlib.opam ppxlib-tools.opam ppxlib-bench.opam) (dst ./))2026-05-26 17:42.56 ---> using "f154ded3ebaea676e375c6a66947b3031e870a4a7ba968b1fe571a54a0e50c2c" from cache/src: (run (network host)(shell "opam pin add -yn ppxlib.dev './' && \\nopam pin add -yn ppxlib-tools.dev './' && \\nopam pin add -yn ppxlib-bench.dev './'"))[ppxlib.dev] synchronised (file:///src)ppxlib is now pinned to file:///src (version dev)[ppxlib-tools.dev] synchronised (file:///src)ppxlib-tools is now pinned to file:///src (version dev)[NOTE] Package ppxlib-bench does not exist in opam repositories registered in the current switch.[ppxlib-bench.dev] synchronised (file:///src)ppxlib-bench is now pinned to file:///src (version dev)2026-05-26 17:42.56 ---> using "f9b5436e355e7e4b213057309e7c7395c4088e88acf35b9e8c3ff608ed6032cc" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-26 17:42.56 ---> using "ce01c0ea683ab4327c66f8ac57e62931afa1880ea156e7dce92d42d5dcfb18b8" from cache/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 cinaps.v0.15.1 cmdliner.2.1.1 csexp.1.5.2 dune.3.23.1 dune-configurator.3.23.1 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.v0.17.2 ocamlfind.1.9.8 ppx_derivers.1.2.1 re.1.14.0 sexplib0.v0.17.0 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 ppxlib.dev ppxlib-tools.dev ppxlib-bench.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Get:1 http://deb.debian.org/debian trixie InRelease [140 kB]- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]- Get:4 http://deb.debian.org/debian trixie/main s390x Packages [9324 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main s390x Packages [160 kB]- Fetched 9715 kB in 1s (6840 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[ppxlib.dev] synchronised (file:///src)[ppxlib-bench.dev] synchronised (file:///src)[ppxlib-tools.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)2026-05-26 17:42.56 ---> using "341a6d2a35d3fefe2c50a4ab4beb42942c9ae2de92a51742dd79a300838938d2" 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 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 13 packages- install base v0.17.3- install cinaps v0.15.1- install cmdliner 2.1.1- install csexp 1.5.2- install dune 3.23.1- install dune-configurator 3.23.1- install ocaml-compiler-libs v0.17.0- install ocaml_intrinsics_kernel v0.17.2- install ocamlfind 1.9.8- install ppx_derivers 1.2.1- install re 1.14.0- install sexplib0 v0.17.0- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved base.v0.17.3 (cached)-> retrieved cinaps.v0.15.1 (cached)-> retrieved cmdliner.2.1.1 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved ocaml-compiler-libs.v0.17.0 (cached)-> retrieved ocaml_intrinsics_kernel.v0.17.2 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved re.1.14.0 (cached)-> retrieved sexplib0.v0.17.0 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved dune.3.23.1, dune-configurator.3.23.1 (cached)-> installed cmdliner.2.1.1-> installed ocamlfind.1.9.8-> installed dune.3.23.1-> installed csexp.1.5.2-> installed ppx_derivers.1.2.1-> installed ocaml-compiler-libs.v0.17.0-> installed ocaml_intrinsics_kernel.v0.17.2-> installed sexplib0.v0.17.0-> installed dune-configurator.3.23.1-> installed re.1.14.0-> installed yojson.3.0.0-> installed cinaps.v0.15.1-> installed base.v0.17.3Done.# To update the current shell environment, run: eval $(opam env)2026-05-26 17:42.56 ---> using "a1d18e0e775cc630b72e9167e3dd7e449cf45fe721b7c02b8ba1f8af1dc616fa" from cache/src: (copy (src .) (dst /src))2026-05-26 17:42.57 ---> using "2ef218c33505fbf6968ad5177af8a03a1aecb13948cdcb1e5ce2a9fa69e6af09" from cache/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))File "dune-project", line 21, characters 2-42:21 | (sexplib0 (and :with-test (>= "v0.15"))) ; Printexc.register_printer in sexplib0 changed^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning: Duplicate dependency on package (sexplib0 (and :with-test (>=v0.15))) in 'depends' field. If you want to specify multiple constraints,combine them using (and ...).Hint: To disable this warning, add the following to your dune-project file:(warnings (duplicate_deps disabled))File "test/encoding/504/migrations/run.t", line 1, characters 0-0:/usr/bin/git --no-pager diff --no-index --color=always -u _build/default/test/encoding/504/migrations/run.t _build/default/test/encoding/504/migrations/run.t.correcteddiff --git a/_build/default/test/encoding/504/migrations/run.t b/_build/default/test/encoding/504/migrations/run.t.correctedindex 7ab50ef..d9e3d92 100644--- a/_build/default/test/encoding/504/migrations/run.t+++ b/_build/default/test/encoding/504/migrations/run.t.corrected@@ -56,8 +56,11 @@ We also check our invalid decoding logic:^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Error: ppxlib invalid encoding: ppxlib.migration.pexp_labeled_tuple_5_4- Ppxlib failed to decode a feature from the OCaml 5.4 AST. If this does- not seem right, please do open an issue at+ Ppxlib failed to decode a feature from the OCaml 5.4 AST. This is+ likely caused by the use of a 5.4+ language feature within code+ directly interpreted by a ppx. If you'd like this feature to be+ supported by the ppx involved, please reach out to the ppx+ maintainers. If this does not seem right, please do open an issue athttps://github.com/ocaml-ppx/ppxlib/issues.[1]"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-05-26 17:43.00: Job failed: Failed: Build failed