2026-06-30 12:12.17: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (macos-arm64:macos-homebrew-5.5_arm64_opam-2.5) Base: macos-homebrew-ocaml-5.5 Opam project build To reproduce locally: git clone --recursive "https://github.com/jmid/mutaml.git" -b "main" && cd "mutaml" && git reset --hard 783831dc cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-5.5 # macos-homebrew-5.5_arm64_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opam RUN cd ~/opam-repository && (git cat-file -e 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version RUN opam update -u COPY --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 compiler-cloning.enabled conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.24.0 dune-configurator.3.24.0 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . ./src RUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-06-30 12:12.17: Using cache hint "jmid/mutaml-macos-homebrew-ocaml-5.5-macos-homebrew-5.5_arm64_opam-2.5-8f2e6a77f59f76ab52cc83c8a72066e3" 2026-06-30 12:12.17: Using OBuilder spec: ((from macos-homebrew-ocaml-5.5) (comment macos-homebrew-5.5_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 (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 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --oneline")) (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 "opam update -u")) (copy (src mutaml.opam) (dst ./src/./)) (run (network host) (shell "opam pin add -yn mutaml.dev './src/./'")) (run (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 compiler-cloning.enabled conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.24.0 dune-configurator.3.24.0 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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 /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")) ) 2026-06-30 12:12.17: Waiting for resource in pool OCluster 2026-06-30 12:12.17: Waiting for worker… 2026-06-30 12:20.54: Got resource from pool OCluster Building on m1-worker-01 Initialized empty Git repository in /private/var/lib/ocluster-worker/git/mutaml.git-27b80c0565d271b270391514ccafbdde5b1a75c4/.git/ HEAD is now at 783831d Merge pull request #44 from jmid/dependabot/github_actions/actions/checkout-5 (from macos-homebrew-ocaml-5.5) 2026-06-30 12:20.56 ---> using "82c12866f23b098fbbf8b05008cd71f7526a13ffd1bc8a39e4d487c3b436c70f" from cache /: (comment macos-homebrew-5.5_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")) 2026-06-30 12:20.56 ---> using "66f8eee01ecd3eb6537e87a3fb8e6278886ddc6897b79e190a452d36267d447e" 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 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD b7773e2175..8cd35acddd master -> origin/master 8cd35acddd Merge pull request #30092 from shonfeder/release-dune-3.24.0 2026-06-30 12:20.56 ---> using "b59e0ad35d3e034fd87d4a3402c4057a5d686cae61f8b2061f0be47d54a040e1" 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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository default (at git+file:///Users/mac1000/opam-repository): [WARNING] opam is out-of-date. Please consider updating it (https://opam.ocaml.org/doc/Install.html) default (at git+file:///Users/mac1000/opam-repository): [INFO] opam 2.5.1 includes security fixes; please consider upgrading (https://opam.ocaml.org/doc/Install.html) 2026-06-30 12:20.56 ---> using "f692cb3754527d299cbf337fe85899c7de73bd708e67653c66f149436fd578ad" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 5.5.0 2.5.0 2026-06-30 12:20.56 ---> using "22dfe904549f7ef27171a8343c4c3a7deaa788e272dcf914a48952537019077a" from cache /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update -u")) <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///Users/mac1000/opam-repository Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.1 However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.1"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-06-30 12:20.56 ---> using "cf36e406078590c8c2900844b8c5a3c869a1c2d367f3d96a383fa4f8464391ca" from cache /: (copy (src mutaml.opam) (dst ./src/./)) 2026-06-30 12:20.57 ---> saved as "0adafaa712e47d2258c562d1cf98034d0dcafafaae4d1091e4de4319433d25f5" /: (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) 2026-06-30 12:21.07 ---> saved as "df3899bc7647c87a5e3e940a2df68fa17f90660639c3680075a34824d1576be3" /: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2026-06-30 12:21.08 ---> saved as "60d03ae9b3dc8a789a999fc94cff9a74983ee34ee92f342eb7c11309ba49f589" /: (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.3.24.0 dune-configurator.3.24.0 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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 /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-compiler is already installed (current version is 5.5.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0). [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 system packages will first need to be installed: coreutils diffutils <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /opt/homebrew/bin/brew "install" "coreutils" "diffutils" - ==> Would install 2 formulae: - coreutils diffutils - ==> Downloading https://ghcr.io/v2/homebrew/core/coreutils/manifests/9.11 - ==> Would install 1 dependency for coreutils: - gmp - ==> Downloading https://ghcr.io/v2/homebrew/core/diffutils/manifests/3.12 - ==> Fetching downloads for: coreutils and diffutils - ✔︎ Bottle gmp (6.3.0) - ✔︎ Bottle gmp (6.3.0) - ✔︎ Bottle diffutils (3.12) - ✔︎ Bottle coreutils (9.11) - ==> 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--9.11.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/9.11: 445 files, 12.8MB - ==> 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`). - ==> Pouring diffutils--3.12.arm64_sequoia.bottle.tar.gz - 🍺 /opt/homebrew/Cellar/diffutils/3.12: 18 files, 972.8KB - ==> 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) 2026-06-30 12:21.31 ---> saved as "c409abce9ed50588286e32b99748af8ee9d10fa569b0868c358387d88f3f3a45" /: (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-compiler is already installed (current version is 5.5.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0). [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 3.24.0 - install dune-configurator 3.24.0 - 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 <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> installed conf-timeout.1 -> installed conf-diffutils.2 -> 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.v0.17.2 (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 ppxlib.0.38.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved stdlib-random.1.2.0 (https://github.com/ocaml/stdlib-random/archive/refs/tags/1.2.0.tar.gz) -> retrieved dune.3.24.0, dune-configurator.3.24.0 (cached) -> installed ocamlfind.1.9.8 -> installed dune.3.24.0 -> installed ppx_derivers.1.2.1 -> installed csexp.1.5.2 -> installed ocaml_intrinsics_kernel.v0.17.2 -> 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.3.24.0 -> 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.v0.17.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-06-30 12:22.41 ---> saved as "143d187953083b240884e26d51e773c03d499af8097d7ad13526528486bae81a" /: (copy (src .) (dst ./src)) 2026-06-30 12:22.42 ---> saved as "5221ffbab7a939edf85fb402f3c28900c539c7762907e6e6a625c5262086646d" /: (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: 0.12 seconds. OK (cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe) .. Ran: 2 tests in: 0.25 seconds. OK (cd _build/default && /Users/mac1000/.opam/5.5.0/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/5.5.0/lib/ocaml-compiler-libs/common -I /Users/mac1000/.opam/5.5.0/lib/ocaml-compiler-libs/shadow -I /Users/mac1000/.opam/5.5.0/lib/ocaml/compiler-libs -I /Users/mac1000/.opam/5.5.0/lib/ppx_derivers -I /Users/mac1000/.opam/5.5.0/lib/ppx_yojson_conv_lib -I /Users/mac1000/.opam/5.5.0/lib/ppxlib -I /Users/mac1000/.opam/5.5.0/lib/ppxlib/ast -I /Users/mac1000/.opam/5.5.0/lib/ppxlib/astlib -I /Users/mac1000/.opam/5.5.0/lib/ppxlib/print_diff -I /Users/mac1000/.opam/5.5.0/lib/ppxlib/stdppx -I /Users/mac1000/.opam/5.5.0/lib/ppxlib/traverse_builtins -I /Users/mac1000/.opam/5.5.0/lib/sexplib0 -I /Users/mac1000/.opam/5.5.0/lib/stdlib-random/v4 -I /Users/mac1000/.opam/5.5.0/lib/stdlib-shims -I /Users/mac1000/.opam/5.5.0/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 1 2026-06-30 12:22.48: Job failed: Failed: Build failed