2026-02-15 17:59.23: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/dependabot/github_actions/actions/checkout-6 (ab175d87a5b0b03034040da9b3097a82fc0b9958) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38 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:ubuntu-25.10-ocaml-5.4@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38 # ubuntu-25.10-5.4_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 2026-02-15 17:59.23: Using cache hint "jmid/mutaml-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38-ubuntu-25.10-5.4_opam-2.5-9c254776ac75037027fa6e23abef6b02" 2026-02-15 17:59.23: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38) (comment ubuntu-25.10-5.4_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")) ) 2026-02-15 17:59.23: Waiting for resource in pool OCluster 2026-02-15 18:18.15: Waiting for worker… 2026-02-15 18:21.57: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at ab175d8 Bump actions/checkout from 5 to 6 (from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38) Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38' locally docker.io/ocaml/opam@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38: Pulling from ocaml/opam 16c195d4c5e9: Already exists 10536c2a3229: Already exists c4b489cde89f: Already exists 3054bf19173d: Already exists 72d4d5b175f6: Already exists e2528088a671: Already exists f8eb755e24f2: Already exists f4466119d9d7: Already exists ea16cb990595: Already exists 35a2f342fb41: Already exists cd43ff613b85: Already exists 23c9e772d285: Already exists 03d461f90c5f: Already exists 1983245fed01: Already exists bf5ceca7719f: Already exists edcc8d3ba4ab: Already exists ede0d4fa2b79: Already exists c5b15849c9ed: Already exists c5b15849c9ed: Already exists 62d63a36325d: Already exists 3eab5053bbaa: Already exists ebd442105bf8: Already exists b65dd44d0cc4: Already exists 4f4fb700ef54: Already exists 0b00030c2a7a: Already exists 3b032402c760: Already exists 5c73a2ae8046: Already exists a512bd04e73a: Already exists 787d7ef97d34: Already exists cc77994b0a28: Already exists 0b443ca6fb74: Already exists 301890f1dd56: Already exists 88a6e67e1c35: Already exists 775001f1433c: Already exists aa095842f5b7: Already exists afe7a0ab1c61: Already exists 06772f5c82af: Already exists 7a5aa22485e6: Already exists 262630ae96fc: Already exists ea9456b24627: Already exists e26d74779ffb: Already exists 46280c074e3e: Already exists c683139ef9f4: Already exists fe27ac77eaa7: Already exists 74e185e70e26: Already exists c9457b3cbf33: Already exists 4d065565425b: Already exists b15bcbff2633: Already exists d0b5bff0be80: Already exists Digest: sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38 Status: Downloaded newer image for ocaml/opam@sha256:b6da22869c1591ab428e9f2b65f7f7b251e688a3457468ec19462cece35bde38 2026-02-15 18:23.05 ---> using "1298e1d5dffa8ce226321a1bcac39114330568ccaf390856807160369fa2ee49" from cache /: (comment ubuntu-25.10-5.4_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")) 2026-02-15 18:23.05 ---> using "1309b00d49741b88d8a73f19dac74cdc341f0ea644c75bd9b33ad15e1287e5a7" 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 [NOTE] The 'jobs' option was reset, its value was 255 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=255 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-02-15 18:23.05 ---> using "57dc3cdc729adb9e6c9e5bf071f8fbdb234f3d02dafd21de9bfb3d54f052a06a" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-02-15 18:23.05 ---> using "3d0d866b98945a590649320861fdb4b7471117620aa39fb17f1722560eadacd1" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-02-15 18:23.05 ---> using "d4aea8789e5fc4f003c8fb4303cca09a40290830fa06e0c70a235332b8bcc654" 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..66fe1c299d 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) 2026-02-15 18:23.05 ---> using "ca276d2e1ed6160a3a87347757c592e5748bfd5beb1d7cc24fbda823de805a89" from cache /src: (copy (src mutaml.opam) (dst ./)) 2026-02-15 18:23.05 ---> using "d71e579ebffab5dcd0cf3731e9839a592101004bdf1db80d6f5338bec866e6ea" from cache /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) 2026-02-15 18:23.05 ---> using "ab4c14836694a4cf054be9e45ce00603f5882072755c63ab16e6c8df0bd0b0a2" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-02-15 18:23.05 ---> using "309da9530418e41722d5f7d5318d949d24f915cbcda6d19e70afb5e68a2f8a7a" from cache /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" - Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB] - Get:2 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [138 kB] - Get:3 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [186 kB] - Get:4 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [224 kB] - Hit:5 http://archive.ubuntu.com/ubuntu questing InRelease - Get:6 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB] - Get:7 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB] - Get:8 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [374 kB] - Get:9 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [196 kB] - Get:10 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [223 kB] - Fetched 1747 kB in 1s (1942 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) 2026-02-15 18:23.18 ---> saved as "531915aa17f15c414fa93f23eb8eb2b75b3fc51641427797eb29141e063ff7ac" /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_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 csexp.1.5.2 -> installed ocaml-compiler-libs.v0.17.0 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed sexplib0.v0.17.0 -> installed cppo.1.8.0 -> installed stdlib-shims.0.3.0 -> installed octavius.1.2.2 -> 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) 2026-02-15 18:25.44 ---> saved as "6244f9d7745933d63e3746dfd26a71b93de5ebd9e7d2ed5a0dae113a478e01e7" /src: (copy (src .) (dst /src)) 2026-02-15 18:25.45 ---> saved as "1f95ee900c74ba91925c82326b4c751540ceb949a8ac0b4f8fe3bfe00778f4e0" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/examples/testproj-1-module && ./ounittest.exe) .... Ran: 4 tests in: 0.11 seconds. OK (cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe) .. Ran: 2 tests in: 0.10 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 2026-02-15 18:25.51: Job failed: Failed: Build failed