2026-05-13 10:19.01: New job: test ocaml-ppx/ppxlib https://github.com/ocaml-ppx/ppxlib.git#refs/heads/0.35 (8501b057fd66f1698194e529ea90b4cd2d9cb2af) (linux-x86_64:(lower-bound)) Base: ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-ppx/ppxlib.git" -b "0.35" && cd "ppxlib" && git reset --hard 8501b057 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c # debian-13-4.11_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 cd ~/opam-repository && (git cat-file -e 4ae3c774e4a07972d8dc71ead3a8294779f6dada || git fetch origin master) && git reset -q --hard 4ae3c774e4a07972d8dc71ead3a8294779f6dada && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN opam update -u COPY --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.v0.15.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base biniou.1.2.0 cinaps.v0.12.1 cmdliner.1.3.0 conf-m4.1 conf-which.1 cppo.1.6.1 dune.3.10.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 easy-format.1.0.1 jbuilder.1.0+beta20.1 ocaml.4.11.2 ocaml-base-compiler.4.11.2 ocaml-compiler-libs.v0.11.0 ocaml-config.1 ocamlfind.1.8.1 ppx_derivers.1.0 re.1.9.0 seq.0.3 sexplib0.v0.15.0 stdlib-shims.0.1.0 yojson.1.5.0" 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 $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 2026-05-13 10:19.01: Using cache hint "ocaml-ppx/ppxlib-ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c-debian-13-4.11_opam-2.5-ce1527dfbcaf32f0884405111e4758b9" 2026-05-13 10:19.01: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c) (comment debian-13-4.11_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 4ae3c774e4a07972d8dc71ead3a8294779f6dada || git fetch origin master) && git reset -q --hard 4ae3c774e4a07972d8dc71ead3a8294779f6dada && 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.v0.15.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base biniou.1.2.0 cinaps.v0.12.1 cmdliner.1.3.0 conf-m4.1 conf-which.1 cppo.1.6.1 dune.3.10.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 easy-format.1.0.1 jbuilder.1.0+beta20.1 ocaml.4.11.2 ocaml-base-compiler.4.11.2 ocaml-compiler-libs.v0.11.0 ocaml-config.1 ocamlfind.1.8.1 ppx_derivers.1.0 re.1.9.0 seq.0.3 sexplib0.v0.15.0 stdlib-shims.0.1.0 yojson.1.5.0") (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")) ) 2026-05-13 10:19.01: Waiting for resource in pool OCluster 2026-05-13 10:42.27: Waiting for worker… 2026-05-13 10:44.08: Got resource from pool OCluster Building on toxis.caelum.ci.dev All commits already cached HEAD is now at 8501b057 Update changes (from ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c) 2026-05-13 10:44.04 ---> using "36abb6db1723167d15c41f53ef05d371444812dc64e2ea7fe109d222db988473" from cache /: (comment debian-13-4.11_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")) 2026-05-13 10:44.04 ---> using "8b6c3f9b20d6c3beeb84a8d52ac5abfb97ee836913fb82a0f86bfdcf7eb71547" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 4ae3c774e4a07972d8dc71ead3a8294779f6dada || git fetch origin master) && git reset -q --hard 4ae3c774e4a07972d8dc71ead3a8294779f6dada && git log --no-decorate -n1 --oneline")) 4ae3c774e4 Merge pull request #29579 from ocaml/add-msys2-depexts 2026-05-13 10:44.04 ---> using "54f96e68ea5840d69b4f02846708b193c7a3c7a8b89c58ccdd59dd408cc89131" 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. [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 --global Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-05-13 10:44.04 ---> using "2e0488c85be23cfa510e6ed517b32de1968c6ef0872055c2e53d8cd567d53531" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-107-generic The OCaml toplevel, version 4.11.2 2.5.1 2026-05-13 10:44.04 ---> using "2e3f19834893eb0759c86b2e011bf3b52c3aa4c6e95eb8613bc712c32121d5d7" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-13 10:44.04 ---> using "6f860519618ac6071ef972da70b2fd5c8de012ce87d22609f5f2a49241b2d26e" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam update -u")) <><> 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). The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-config.3 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) 2026-05-13 10:44.04 ---> using "7a3f34e1cf8732e7a22e946b952071a1ceef433d7611e04e2d67e9bac206c064" from cache /src: (copy (src ppxlib.opam ppxlib-tools.opam ppxlib-bench.opam) (dst ./)) 2026-05-13 10:44.04 ---> saved as "b43e70880c02044ada9a5e97ae9db5f4a9f24a53b9a49fd85f99202949f7d261" /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) 2026-05-13 10:44.13 ---> saved as "f4334316f7fb3411db83794676889e5bc21656e78788dc480574568938c302cc" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-13 10:44.13 ---> saved as "8e929baf2622dad5c7d089d4a8413aafa0608a6aba75bd83bc7ea4d07fc8b8a6" /src: (env DEPS "base.v0.15.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base biniou.1.2.0 cinaps.v0.12.1 cmdliner.1.3.0 conf-m4.1 conf-which.1 cppo.1.6.1 dune.3.10.0 dune-configurator.2.5.1 dune-private-libs.2.5.1 easy-format.1.0.1 jbuilder.1.0+beta20.1 ocaml.4.11.2 ocaml-base-compiler.4.11.2 ocaml-compiler-libs.v0.11.0 ocaml-config.1 ocamlfind.1.8.1 ppx_derivers.1.0 re.1.9.0 seq.0.3 sexplib0.v0.15.0 stdlib-shims.0.1.0 yojson.1.5.0") /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" - Hit:1 http://deb.debian.org/debian trixie InRelease - 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-security trixie-security/main amd64 Packages [160 kB] - Fetched 251 kB in 0s (950 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-config is already installed (current version is 1). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.11.2). [NOTE] Package ocaml is already installed (current version is 4.11.2). [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 system packages will first need to be installed: m4 <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4" - Selecting previously unselected package m4. - (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20623 files and directories currently installed.) - Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ... - Unpacking m4 (1.4.19-8) ... - Setting up m4 (1.4.19-8) ... # To update the current shell environment, run: eval $(opam env) 2026-05-13 10:44.42 ---> saved as "06a3725d74f2f1a6fccf639f60574cd8272b4b32f04770e9b6ac56f90e661467" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-config is already installed (current version is 1). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.11.2). [NOTE] Package ocaml is already installed (current version is 4.11.2). [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 21 packages - install base v0.15.0 - install base-bytes base - install biniou 1.2.0 - install cinaps v0.12.1 - install cmdliner 1.3.0 - install conf-m4 1 - install conf-which 1 - install cppo 1.6.1 - install dune 3.10.0 - install dune-configurator 2.5.1 - install dune-private-libs 2.5.1 - install easy-format 1.0.1 - install jbuilder 1.0+beta20.1 (deprecated) - install ocaml-compiler-libs v0.11.0 - install ocamlfind 1.8.1 - install ppx_derivers 1.0 - install re 1.9.0 - install seq 0.3 - install sexplib0 v0.15.0 - install stdlib-shims 0.1.0 - install yojson 1.5.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved biniou.1.2.0 (cached) -> retrieved cinaps.v0.12.1 (https://opam.ocaml.org/cache) -> retrieved cmdliner.1.3.0 (cached) -> retrieved base.v0.15.0 (https://opam.ocaml.org/cache) -> retrieved cppo.1.6.1 (cached) -> installed conf-m4.1 -> installed conf-which.1 -> retrieved easy-format.1.0.1 (cached) -> retrieved jbuilder.1.0+beta20.1 (cached) -> retrieved ocaml-compiler-libs.v0.11.0 (cached) -> retrieved ocamlfind.1.8.1 (cached) -> retrieved dune-configurator.2.5.1, dune-private-libs.2.5.1 (cached) -> retrieved dune.3.10.0 (cached) -> retrieved ppx_derivers.1.0 (cached) -> retrieved re.1.9.0 (cached) -> retrieved seq.0.3 (cached) -> retrieved stdlib-shims.0.1.0 (cached) -> retrieved sexplib0.v0.15.0 (https://opam.ocaml.org/cache) -> installed cmdliner.1.3.0 -> retrieved yojson.1.5.0 (https://opam.ocaml.org/cache) -> installed ocamlfind.1.8.1 -> installed base-bytes.base -> installed easy-format.1.0.1 -> installed jbuilder.1.0+beta20.1 -> installed ppx_derivers.1.0 -> installed biniou.1.2.0 -> installed cppo.1.6.1 -> installed ocaml-compiler-libs.v0.11.0 -> installed dune.3.10.0 -> installed stdlib-shims.0.1.0 -> installed seq.0.3 -> installed sexplib0.v0.15.0 -> installed re.1.9.0 -> installed yojson.1.5.0 -> installed cinaps.v0.12.1 -> installed dune-private-libs.2.5.1 -> installed dune-configurator.2.5.1 -> installed base.v0.15.0 Done. <><> jbuilder.1.0+beta20.1 installed successfully <><><><><><><><><><><><><><><> => Note: This package is deprecated. # To update the current shell environment, run: eval $(opam env) 2026-05-13 10:46.58 ---> saved as "12609856b87aeb3211a1ad84eae6fc6aea48d0f81984a4f720a87e38b72b81a2" /src: (copy (src .) (dst /src)) 2026-05-13 10:46.59 ---> saved as "4118e30a8b2996ce00296282bd3c6f109a00c5fafd970c05018ba4d32cd08930" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "/home/opam/.opam/4.11/lib/ocaml-compiler-libs/bytecomp/ocaml-compiler-libs.bytecomp.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.11/lib/ocaml-compiler-libs/common/ocaml-compiler-libs.common.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.11/lib/ocaml-compiler-libs/shadow/ocaml-compiler-libs.shadow.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.11/lib/ocaml-compiler-libs/toplevel/ocaml-compiler-libs.toplevel.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.11/lib/biniou/biniou.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.11/lib/ppx_derivers/ppx_derivers.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. (cd _build/default && /home/opam/.opam/4.11/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -I bench/.bench.eobjs/byte -I /home/opam/.opam/4.11/lib/yojson -intf-suffix .ml -no-alias-deps -opaque -o bench/.bench.eobjs/byte/dune__exe__Bench.cmo -c -impl bench/bench.ml) File "bench/bench.ml", line 71, characters 38-46: 71 | type t = { name : string; value : Yojson.t; units : string } ^^^^^^^^ Error: Unbound type constructor Yojson.t "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-05-13 10:48.05: Job failed: Failed: Build failed