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-x86_64:fedora-42-5.4_opam-2.5)Base: ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71bOpam 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:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b# fedora-42-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN 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:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b-fedora-42-5.4_opam-2.5-b66640535634494ff3041c37cc49ba3f"2026-05-26 17:18.15: Using OBuilder spec:((from ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b)(comment fedora-42-5.4_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (network host)(shell "sudo dnf install -y findutils"))(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 17:18.16: Got resource from pool OClusterBuilding on bremusa.ocamllabs.ioAll commits already cachedHEAD is now at f7aea081 Add suggestions to invalid_encoding error(from ocaml/opam:fedora-42-ocaml-5.4@sha256:63ba0e0aa7f2167688d6b2f12c5bbd966189f1213ee375b4318e322e1931e71b)2026-05-26 17:18.18 ---> using "ba790be675398020330de2a054b76913bc3a727e5c23338e2b2ccfbdea979e54" from cache/: (comment fedora-42-5.4_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (network host)(shell "sudo dnf install -y findutils"))Updating and loading repositories:Fedora 42 - x86_64 - Updates 100% | 11.9 KiB/s | 17.9 KiB | 00m02sFedora 42 - x86_64 100% | 65.0 KiB/s | 19.0 KiB | 00m00sFedora 42 openh264 (From Cisco) - x86_ 100% | 6.3 KiB/s | 986.0 B | 00m00sRepositories loaded.Nothing to do.Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed.2026-05-26 17:18.18 ---> using "5eb77c1b822417d504fcbbd84812183da3577926875be2ea4097881ac1201247" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-05-26 17:18.18 ---> using "80e33e444d990d46b8e81d542128296febc0edf92f307e377856c05ed7342837" 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..418d45864d master -> origin/masterc180e16309 Merge pull request #29907 from dra27/host-arch-fixes2026-05-26 17:18.18 ---> using "ceddcc91ffb9ec7ab3fda3a20ff7841d581a63f82ba45b09df4aab39d274231f" 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 2.1 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] y[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 17:18.18 ---> using "1d2cd105cb19f4906ec8907978f7d17a0127d8a0a8c845ffeb6577d67a60efdf" 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 17:18.18 ---> using "7901fd147e7a8a0b6f4aca575ddbdc634bb45eb22d9f85bfaaf301002349ca47" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-26 17:18.18 ---> using "12907faac040b1190ef04397b4c2a53444414c7e49496874bc4c3afcb746efec" 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 17:18.18 ---> using "b47049d6587d9b948a8592c72ee23fb071fab9e447c0af6c0f530691d27ab53e" from cache/src: (copy (src ppxlib.opam ppxlib-tools.opam ppxlib-bench.opam) (dst ./))2026-05-26 17:18.18 ---> saved as "3a4419189547829c18db048f3949e703aed0c14cb38f3e17fad570ec76b79fc2"/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 17:18.21 ---> saved as "c9e430b80aeee8cd64da5ec2c50cb1be5da22a6b2359d5924f5268b4f1ca9503"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-26 17:18.21 ---> saved as "88a8fcec8aa5443276f63745ff4d291b6ff0eb1935ecf528099543e1a6cfa7f2"/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/sbin/sudo "yum" "makecache"- Updating and loading repositories:- Repositories loaded.- Metadata cache created.<><> 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 17:18.29 ---> saved as "7b2f798c2cb0c5c29843379c529162a48356e5fe9c550730de496d787dacbc46"/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 ppx_derivers.1.2.1 (cached)-> retrieved ocamlfind.1.9.8 (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 ppx_derivers.1.2.1-> installed csexp.1.5.2-> installed ocaml-compiler-libs.v0.17.0-> installed ocaml_intrinsics_kernel.v0.17.2-> installed re.1.14.0-> installed sexplib0.v0.17.0-> installed yojson.3.0.0-> installed cinaps.v0.15.1-> installed dune-configurator.3.23.1-> installed base.v0.17.3Done.# To update the current shell environment, run: eval $(opam env)2026-05-26 17:19.29 ---> saved as "dc10c8692250cfeacfa397a0e3ead8b6eeeee072860bf42d12d5c1c64fbe2b50"/src: (copy (src .) (dst /src))2026-05-26 17:19.30 ---> saved as "6d933062d46b80c6641a2cc50ac8385594608b6a575549166260d5b08d5dc1d2"/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/sbin/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 17:19.59: Job failed: Failed: Build failed