2026-02-13 08:05.29: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/dependabot/github_actions/actions/checkout-6 (ab175d87a5b0b03034040da9b3097a82fc0b9958) (macos-arm64:macos-homebrew-5.4_arm64_opam-2.5)Base: macos-homebrew-ocaml-5.4Opam 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 macos-homebrew-ocaml-5.4# macos-homebrew-5.4_arm64_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN 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 ./src/./RUN opam pin add -yn mutaml.dev './src/./'RUN echo '(lang dune 3.0)' > './src/./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 cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-02-13 08:05.29: Using cache hint "jmid/mutaml-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_arm64_opam-2.5-9c254776ac75037027fa6e23abef6b02"2026-02-13 08:05.29: Using OBuilder spec:((from macos-homebrew-ocaml-5.4)(comment macos-homebrew-5.4_arm64_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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 ./src/./))(run (network host)(shell "opam pin add -yn mutaml.dev './src/./'"))(run (network host)(shell "echo '(lang dune 3.0)' > './src/./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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.dev $DEPS"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst ./src))(run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-02-13 08:05.29: Waiting for resource in pool OCluster2026-02-13 08:05.29: Waiting for worker…2026-02-13 09:00.11: Got resource from pool OClusterBuilding on m1-worker-02All commits already cachedHEAD is now at ab175d8 Bump actions/checkout from 5 to 6(from macos-homebrew-ocaml-5.4)2026-02-13 09:00.12 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache/: (comment macos-homebrew-5.4_arm64_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))2026-02-13 09:00.12 ---> using "0e9d0f8ed44ab1f77ef30c8d8456629e6c63f869a24319cbb64657a84e315111" from cache/: (run (shell "opam init --reinit -ni"))No configuration file found, using 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 /Users/mac1000/.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] no changes from git+file:///Users/mac1000/opam-repository2026-02-13 09:00.12 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 5.4.02.5.02026-02-13 09:00.12 ---> using "78e99acc02a52806060d0075d40f6ea681e9ef77eb60ecbbaff6e5155272646b" from cache/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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_HEAD95f7875db7..302e116c40 master -> origin/master302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///Users/mac1000/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-02-13 09:00.12 ---> using "fb91cd530a120a6315ab9b3a2e0673d2f54fa69534b2b521f1d52968188d071b" from cache/: (copy (src mutaml.opam) (dst ./src/./))2026-02-13 09:00.12 ---> using "a8376f568f3b857750428d2411ee4560dd398f04a9b63958de00cb48479ef696" from cache/: (run (network host)(shell "opam pin add -yn mutaml.dev './src/./'"))[mutaml.dev] synchronised (file:///Users/mac1000/src)mutaml is now pinned to file:///Users/mac1000/src (version dev)2026-02-13 09:00.12 ---> using "98070bb2d5192d620b7870f356885eb46bdc8dee1140f14bfa32c5d3dbb28ce4" from cache/: (run (network host)(shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2026-02-13 09:00.12 ---> using "7c3948044abebb28680c90ba13902b07d4550a41fcf687d8c0d4004f4b78be44" from cache/: (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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mutaml.dev $DEPS"))+ /opt/homebrew/bin/brew "update"- ==> Updating Homebrew...- Already up-to-date.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[mutaml.dev] synchronised (file:///Users/mac1000/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).The following system packages will first need to be installed:coreutils diffutils<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /opt/homebrew/bin/brew "install" "coreutils" "diffutils"- ==> Fetching downloads for: coreutils and diffutils- ✔︎ Bottle Manifest diffutils (3.12)- ✔︎ Bottle Manifest diffutils (3.12)- ✔︎ Bottle Manifest coreutils (9.10)- ✔︎ Bottle Manifest gmp (6.3.0)- ✔︎ Bottle gmp (6.3.0)- ✔︎ Bottle diffutils (3.12)- ✔︎ Bottle coreutils (9.10)- ==> Installing coreutils dependency: gmp- ==> Pouring gmp--6.3.0.arm64_sequoia.bottle.tar.gz- 🍺 /opt/homebrew/Cellar/gmp/6.3.0: 22 files, 3.4MB- ==> Pouring coreutils--9.10.arm64_sequoia.bottle.tar.gz- ==> Caveats- Commands also provided by macOS and the commands dir, dircolors, vdir have been installed with the prefix "g".- If you need to use these commands with their normal names, you can add a "gnubin" directory to your PATH with:- PATH="/opt/homebrew/opt/coreutils/libexec/gnubin:$PATH"- ==> Summary- 🍺 /opt/homebrew/Cellar/coreutils/9.10: 445 files, 12.7MB- ==> Running `brew cleanup coreutils`...- Disable this behaviour by setting `HOMEBREW_NO_INSTALL_CLEANUP=1`.- Hide these hints with `HOMEBREW_NO_ENV_HINTS=1` (see `man brew`).- Removing: /Users/mac1000/Library/Caches/Homebrew/coreutils_bottle_manifest--9.9... (16.8KB)- Removing: /Users/mac1000/Library/Caches/Homebrew/coreutils--9.9... (3.5MB)- ==> Pouring diffutils--3.12.arm64_sequoia.bottle.tar.gz- 🍺 /opt/homebrew/Cellar/diffutils/3.12: 18 files, 974.1KB- ==> Running `brew cleanup diffutils`...- ==> Caveats- ==> coreutils- Commands also provided by macOS and the commands dir, dircolors, vdir have been installed with the prefix "g".- If you need to use these commands with their normal names, you can add a "gnubin" directory to your PATH with:- PATH="/opt/homebrew/opt/coreutils/libexec/gnubin:$PATH"# To update the current shell environment, run: eval $(opam env)2026-02-13 09:00.13 ---> using "d5a50d8ab0a4688d8a4fd634f93cbbddc3d6e6928b4434fc5ba2b003ae8d2f7f" from cache/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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 <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> installed conf-diffutils.2-> installed conf-timeout.1-> retrieved csexp.1.5.2 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved base.v0.17.3 (cached)-> 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 ppx_derivers.1.2.1 (cached)-> retrieved ounit2.2.2.7 (cached)-> retrieved ppx_deriving.6.1.1 (cached)-> retrieved ppx_js_style.v0.17.1 (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.0.37.0 (cached)-> 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 ocaml_intrinsics_kernel.v0.17.1-> installed csexp.1.5.2-> installed yojson.3.0.0-> installed stdlib-shims.0.3.0-> installed sexplib0.v0.17.0-> installed octavius.1.2.2-> installed ocaml-compiler-libs.v0.17.0-> installed cppo.1.8.0-> installed ppx_yojson_conv_lib.v0.17.0-> installed stdlib-random.1.2.0-> 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)2026-02-13 09:00.13 ---> using "7ad21480a57b40a161aed51e5780fc4be9cb48dc2a12677a412a1858ef47684f" from cache/: (copy (src .) (dst ./src))2026-02-13 09:00.14 ---> saved as "aa98743c2ec7c88165035e75560194733a9cfa000cad22a1579e35bb08418baf"/: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/examples/testproj-1-module && ./ounittest.exe)....Ran: 4 tests in: 0.19 seconds.OK(cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe)..Ran: 2 tests in: 0.20 seconds.OK(cd _build/default && /Users/mac1000/.opam/5.4.0/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 /Users/mac1000/.opam/5.4.0/lib/ocaml-compiler-libs/common -I /Users/mac1000/.opam/5.4.0/lib/ocaml-compiler-libs/shadow -I /Users/mac1000/.opam/5.4.0/lib/ocaml/compiler-libs -I /Users/mac1000/.opam/5.4.0/lib/ppx_derivers -I /Users/mac1000/.opam/5.4.0/lib/ppx_yojson_conv_lib -I /Users/mac1000/.opam/5.4.0/lib/ppxlib -I /Users/mac1000/.opam/5.4.0/lib/ppxlib/ast -I /Users/mac1000/.opam/5.4.0/lib/ppxlib/astlib -I /Users/mac1000/.opam/5.4.0/lib/ppxlib/print_diff -I /Users/mac1000/.opam/5.4.0/lib/ppxlib/stdppx -I /Users/mac1000/.opam/5.4.0/lib/ppxlib/traverse_builtins -I /Users/mac1000/.opam/5.4.0/lib/sexplib0 -I /Users/mac1000/.opam/5.4.0/lib/stdlib-random/v4 -I /Users/mac1000/.opam/5.4.0/lib/stdlib-shims -I /Users/mac1000/.opam/5.4.0/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" "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-02-13 09:00.20: Job failed: Failed: Build failed