2026-02-19 08:53.17: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/dependabot/github_actions/actions/checkout-6 (ab175d87a5b0b03034040da9b3097a82fc0b9958) (linux-arm64:debian-13-5.4_arm64_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9eOpam project buildTo reproduce locally:git clone --recursive "https://github.com/jmid/mutaml.git" -b "dependabot/github_actions/actions/checkout-6" && cd "mutaml" && git reset --hard ab175d87cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e# debian-13-5.4_arm64_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && 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 conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.21.1 dune-configurator.3.21.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 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.0.37.0 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-BLOCK2026-02-19 08:53.17: Using cache hint "jmid/mutaml-ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e-debian-13-5.4_arm64_opam-2.5-9c254776ac75037027fa6e23abef6b02"2026-02-19 08:53.17: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e)(comment debian-13-5.4_arm64_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 (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 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src mutaml.opam) (dst ./))(run (network host)(shell "opam pin add -yn mutaml.dev './'"))(run (network host)(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 conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.21.1 dune-configurator.3.21.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 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.0.37.0 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")))2026-02-19 08:53.17: Waiting for resource in pool OCluster2026-02-19 08:53.35: Waiting for worker…2026-02-19 08:57.10: Got resource from pool OClusterBuilding on kydoime.caelum.ci.devhint: Using 'master' as the name for the initial branch. This default branch namehint: is subject to change. To configure the initial branch name to use in allhint: of your new repositories, which will suppress this warning, call:hint:hint: git config --global init.defaultBranch <name>hint:hint: Names commonly chosen instead of 'master' are 'main', 'trunk' andhint: 'development'. The just-created branch can be renamed via this command:hint:hint: git branch -m <name>Initialized empty Git repository in /var/cache/obuilder/ocluster/git/mutaml.git-27b80c0565d271b270391514ccafbdde5b1a75c4/.git/HEAD is now at ab175d8 Bump actions/checkout from 5 to 6(from ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e)2026-02-19 08:57.11 ---> using "724e50f554abe841332fd9ee9d83624f9592d1368cc4463ef3d546f6169aa36a" from cache/: (comment debian-13-5.4_arm64_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"))2026-02-19 08:57.11 ---> using "aa3224ffa912fe43af96143f4eb0413b717c2dd972635a9f54d4e269f7a502ce" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-02-19 08:57.11 ---> using "eee2c0f3ec9a311741a876f0dc227db2a4c2841a510506e4be3f0af545c9e32a" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 5.4.02.5.02026-02-19 08:57.11 ---> using "9a0be1b07a7818d4a855398e1b66a120fa634d390c857b8966f10a05e63e2e8b" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-02-19 08:57.11 ---> using "a9f48187e484773581299270020fbba19342c8afca6591785f779c0aec4550a5" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 302e116c4009da2f5a31c350a57c8b3c9b27289e || git fetch origin master) && git reset -q --hard 302e116c4009da2f5a31c350a57c8b3c9b27289e && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD340ee6fd1f..48176cb9e4 master -> origin/master302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-02-19 08:57.11 ---> using "ccabf89609def9875e777c73280046c87d6afc9c50f83678e65a6d9653224632" from cache/src: (copy (src mutaml.opam) (dst ./))2026-02-19 08:57.11 ---> saved as "0eb49bacc59266b5aec54c7d57e787e62edc35866219f3f0ea8eb3b3d514f72c"/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)2026-02-19 08:57.12 ---> saved as "d444b787952842a53dfe357ad50da42bd83da39ebf3ef6b985f64dadd7e48051"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-02-19 08:57.13 ---> saved as "1d0979eec4cd1c36b223c516385586158e1048e0290a8fd77d5eb0903ffe67f3"/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 conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.21.1 dune-configurator.3.21.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml_intrinsics_kernel.v0.17.1 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.0.37.0 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"- 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 arm64 Packages [110 kB]- Fetched 201 kB in 0s (1525 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-config is already installed (current version is 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[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)2026-02-19 08:57.22 ---> saved as "96effe3039952a00c1a5f5da43a80257c8f54aa102740d2f4b991a99a25a5197"/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 5.4.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0).[NOTE] Package ocaml is already installed (current version is 5.4.0).[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 3.21.1- install dune-configurator 3.21.1- install ocaml-compiler-libs v0.17.0- install ocaml_intrinsics_kernel v0.17.1- 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 0.37.0- 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.v0.17.1 (cached)-> retrieved octavius.1.2.2 (cached)-> retrieved ocamlfind.1.9.8 (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 ppxlib.0.37.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved stdlib-random.1.2.0 (https://opam.ocaml.org/cache)-> retrieved dune.3.21.1, dune-configurator.3.21.1 (cached)-> installed ocamlfind.1.9.8-> installed dune.3.21.1-> 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.v0.17.1-> 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.3.21.1-> installed base.v0.17.3-> installed ppxlib.0.37.0-> 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)2026-02-19 08:58.31 ---> saved as "1cfb2fe6a3956b3fae3dd757a0ace1a85e50d11ca99af3795896d965c1ef55b1"/src: (copy (src .) (dst /src))2026-02-19 08:58.31 ---> saved as "2320c695fb82b8d0b1f02c89eaf03c64f00e418f3618949746ef821124bb764b"/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: 0.10 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/5.4/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/5.4/lib/ocaml-compiler-libs/common -I /home/opam/.opam/5.4/lib/ocaml-compiler-libs/shadow -I /home/opam/.opam/5.4/lib/ocaml/compiler-libs -I /home/opam/.opam/5.4/lib/ppx_derivers -I /home/opam/.opam/5.4/lib/ppx_yojson_conv_lib -I /home/opam/.opam/5.4/lib/ppxlib -I /home/opam/.opam/5.4/lib/ppxlib/ast -I /home/opam/.opam/5.4/lib/ppxlib/astlib -I /home/opam/.opam/5.4/lib/ppxlib/print_diff -I /home/opam/.opam/5.4/lib/ppxlib/stdppx -I /home/opam/.opam/5.4/lib/ppxlib/traverse_builtins -I /home/opam/.opam/5.4/lib/sexplib0 -I /home/opam/.opam/5.4/lib/stdlib-random/v4 -I /home/opam/.opam/5.4/lib/stdlib-shims -I /home/opam/.opam/5.4/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 12026-02-19 08:58.35: Job failed: Failed: Build failed