2026-05-28 18:42.10: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (linux-x86_64:debian-13-5.5~beta1_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dceOpam project buildTo reproduce locally:git clone --recursive "https://github.com/jmid/mutaml.git" -b "main" && cd "mutaml" && git reset --hard 783831dccat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce# debian-13-5.5~beta1_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 mutaml.opam ./RUN opam pin add -yn mutaml.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 compiler-cloning.enabled conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.23.1 dune-configurator.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0~beta1 ocaml-compiler.5.5.0~beta1 ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.2 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_js_style.v0.17.1 ppx_yojson_conv.v0.17.1 ppx_yojson_conv_lib.v0.17.0 ppxlib.0.38.0 seq.base sexplib0.v0.17.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-05-28 18:42.10: Using cache hint "jmid/mutaml-ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce-debian-13-5.5~beta1_opam-2.5-06d3b41a8e330b447668f7ebf7f2edec"2026-05-28 18:42.10: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce)(comment debian-13-5.5~beta1_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 mutaml.opam) (dst ./))(run (network host)(shell "opam pin add -yn mutaml.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 compiler-cloning.enabled conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.23.1 dune-configurator.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0~beta1 ocaml-compiler.5.5.0~beta1 ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.2 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_js_style.v0.17.1 ppx_yojson_conv.v0.17.1 ppx_yojson_conv_lib.v0.17.0 ppxlib.0.38.0 seq.base sexplib0.v0.17.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 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 mutaml.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")))2026-05-28 18:42.10: Waiting for resource in pool OCluster2026-05-28 19:19.12: Waiting for worker…2026-05-28 19:21.43: Got resource from pool OClusterBuilding on toxis.caelum.ci.devAll commits already cachedHEAD is now at 783831d Merge pull request #44 from jmid/dependabot/github_actions/actions/checkout-5(from ocaml/opam:debian-13-ocaml-5.5-beta1@sha256:ab903279108c1443a7194b80f419c265ce046e6eae9548d05833349c475e3dce)2026-05-28 19:22.39 ---> saved as "3d97f6ff96367e808dec3416eacdff2a479f7a6475ae069af10d3bd1d46549ad"/: (comment debian-13-5.5~beta1_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"))2026-05-28 19:22.40 ---> saved as "553ba480deed223375af3cd9a662bfd2f58bb701c59f756410c05d2b2f59b26d"/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..1138ca347f master -> origin/masterc180e16309 Merge pull request #29907 from dra27/host-arch-fixes2026-05-28 19:22.50 ---> saved as "4cab52e7ba5995d90aad546966743ba8a75322a64f8526915413b46d2587c7a9"/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] yFormat upgrade done.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<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "beta": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocaml/ocaml-beta-repository/': Could not resolve host: github.com"[default] synchronised from git+file:///home/opam/opam-repository2026-05-28 19:23.14 ---> saved as "0dc80cd613d2b3854f0fdeafdcd191ef28e2021456ddb69269542786618d0262"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 5.5.0~beta12.5.12026-05-28 19:23.15 ---> saved as "57cb24008dd3338a73a8ff588c750d9cdaa10a21e5e4a4f902f60bc587e5a608"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-28 19:23.15 ---> saved as "d3549e6c4ae0ebf9c8c5238f245f2c41cc4aeebc67f2a555a1b677e7779ac965"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[beta] no changes from git+https://github.com/ocaml/ocaml-beta-repository[default] no changes from git+file:///home/opam/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-05-28 19:23.31 ---> saved as "f6545026a8e31d626330aa46d3b1f36bd82c800f7b7b8a5c8929f390239ec4ff"/src: (copy (src mutaml.opam) (dst ./))2026-05-28 19:23.34 ---> saved as "79e72fd205288fec3d0a3ee85b845f9bc4a5684ed4803b0c707a8ef3c7c60b71"/src: (run (network host)(shell "opam pin add -yn mutaml.dev './'"))[mutaml.dev] synchronised (file:///src)mutaml is now pinned to file:///src (version dev)2026-05-28 19:23.38 ---> saved as "24f3485ae819c93105d54e4a8d680e6ccfbc819bf8d93e7b5829f83d03a4881b"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-28 19:23.40 ---> saved as "21099737aaafb5ec16bf050103c999816378c17c25ad82335c01990d91b497be"/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 compiler-cloning.enabled conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.23.1 dune-configurator.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0~beta1 ocaml-compiler.5.5.0~beta1 ocaml-compiler-libs.v0.17.0 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.2 ocamlfind.1.9.8 octavius.1.2.2 ounit2.2.2.7 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppx_js_style.v0.17.1 ppx_yojson_conv.v0.17.1 ppx_yojson_conv_lib.v0.17.0 ppxlib.0.38.0 seq.base sexplib0.v0.17.0 stdlib-random.1.2.0 stdlib-shims.0.3.0 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 mutaml.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 amd64 Packages [9671 kB]- Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [179 kB]- Fetched 10.1 MB in 2s (4808 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mutaml.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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)2026-05-28 19:24.01 ---> saved as "eb1c68e6eaab8aa0357039db80c14b3d814ff50b61df7ca91956c738b5a0afd9"/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-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0~beta1).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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 23 packages- install base v0.17.3- install conf-diffutils 2- install conf-timeout 1- install cppo 1.8.0- 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 octavius 1.2.2- install ounit2 2.2.7- install ppx_derivers 1.2.1- install ppx_deriving 6.1.1- install ppx_js_style v0.17.1- install ppx_yojson_conv v0.17.1- install ppx_yojson_conv_lib v0.17.0- install ppxlib 0.38.0- install seq base- install sexplib0 v0.17.0- install stdlib-random 1.2.0- install stdlib-shims 0.3.0- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved base.v0.17.3 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> installed conf-diffutils.2-> installed conf-timeout.1-> retrieved ocaml-compiler-libs.v0.17.0 (cached)-> retrieved ocaml_intrinsics_kernel.v0.17.2 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved octavius.1.2.2 (cached)-> retrieved ounit2.2.2.7 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved ppx_js_style.v0.17.1 (cached)-> retrieved ppx_deriving.6.1.1 (cached)-> retrieved ppx_yojson_conv.v0.17.1 (cached)-> retrieved ppx_yojson_conv_lib.v0.17.0 (cached)-> retrieved seq.base (cached)-> installed seq.base-> retrieved sexplib0.v0.17.0 (cached)-> retrieved stdlib-random.1.2.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved ppxlib.0.38.0 (cached)-> retrieved dune.3.23.1, dune-configurator.3.23.1 (cached)-> installed ocamlfind.1.9.8-> installed dune.3.23.1-> 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.v0.17.2-> installed octavius.1.2.2-> installed sexplib0.v0.17.0-> installed stdlib-shims.0.3.0-> installed yojson.3.0.0-> installed stdlib-random.1.2.0-> installed ppx_yojson_conv_lib.v0.17.0-> installed ounit2.2.2.7-> installed dune-configurator.3.23.1-> installed base.v0.17.3-> installed ppxlib.0.38.0-> installed ppx_js_style.v0.17.1-> installed ppx_deriving.6.1.1-> installed ppx_yojson_conv.v0.17.1Done.# To update the current shell environment, run: eval $(opam env)2026-05-28 19:28.07 ---> saved as "c00f56eeffda955f9175eae6a5a52dab42b61db8d653a54ea5c6b6423aa5fb5c"/src: (copy (src .) (dst /src))2026-05-28 19:28.07 ---> saved as "1a8b47ecf24417d0c62302c35655b0a060c7b5083a89309a45af93c369002fcb"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe)..Ran: 2 tests in: 0.11 seconds.OK(cd _build/default/examples/testproj-1-module && ./ounittest.exe)....Ran: 4 tests in: 0.11 seconds.OK(cd _build/default && /home/opam/.opam/5.5~beta1/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/ppx/.mutaml_ppx.objs/byte -I /home/opam/.opam/5.5~beta1/lib/ocaml-compiler-libs/common -I /home/opam/.opam/5.5~beta1/lib/ocaml-compiler-libs/shadow -I /home/opam/.opam/5.5~beta1/lib/ocaml/compiler-libs -I /home/opam/.opam/5.5~beta1/lib/ppx_derivers -I /home/opam/.opam/5.5~beta1/lib/ppx_yojson_conv_lib -I /home/opam/.opam/5.5~beta1/lib/ppxlib -I /home/opam/.opam/5.5~beta1/lib/ppxlib/ast -I /home/opam/.opam/5.5~beta1/lib/ppxlib/astlib -I /home/opam/.opam/5.5~beta1/lib/ppxlib/print_diff -I /home/opam/.opam/5.5~beta1/lib/ppxlib/stdppx -I /home/opam/.opam/5.5~beta1/lib/ppxlib/traverse_builtins -I /home/opam/.opam/5.5~beta1/lib/sexplib0 -I /home/opam/.opam/5.5~beta1/lib/stdlib-random/v4 -I /home/opam/.opam/5.5~beta1/lib/stdlib-shims -I /home/opam/.opam/5.5~beta1/lib/yojson -I src/common/.mutaml_common.objs/byte -no-alias-deps -opaque -o src/ppx/.mutaml_ppx.objs/byte/mutaml_ppx.cmo -c -impl src/ppx/mutaml_ppx.pp.ml)File "src/ppx/mutaml_ppx.ml", line 466, characters 9-28:466 | | _, Pexp_function cases ->^^^^^^^^^^^^^^^^^^^Error: The constructor Pexp_function expects 3 argument(s),but is applied here to 1 argument(s)"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-05-28 19:28.14: Job failed: Failed: Build failed