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@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e Opam project build To reproduce locally: git clone --recursive "https://github.com/jmid/mutaml.git" -b "dependabot/github_actions/actions/checkout-6" && cd "mutaml" && git reset --hard ab175d87 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4@sha256:515f91384679260c4d76d9346991a9270d017efc081cbcf7b65bf75ac0c6cd9e # debian-13-5.4_arm64_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 opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN 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 --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 $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 2026-02-19 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 OCluster 2026-02-19 08:53.35: Waiting for worker… 2026-02-19 08:57.10: Got resource from pool OCluster Building on kydoime.caelum.ci.dev hint: Using 'master' as the name for the initial branch. This default branch name hint: is subject to change. To configure the initial branch name to use in all hint: 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' and hint: '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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-02-19 08:57.11 ---> using "eee2c0f3ec9a311741a876f0dc227db2a4c2841a510506e4be3f0af545c9e32a" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-90-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-02-19 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_HEAD 340ee6fd1f..48176cb9e4 master -> origin/master 302e116c40 Merge pull request #29374 from shonfeder/release-dune-3.21.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already 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.v0.17.1 Done. # 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 1 2026-02-19 08:58.35: Job failed: Failed: Build failed