2026-06-30 12:12.17: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (linux-arm64:debian-13-5.5_arm64_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3Opam project buildTo reproduce locally:git clone --recursive "https://github.com/jmid/mutaml.git" -b "main" && cd "mutaml" && git reset --hard 783831dccat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3# debian-13-5.5_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 cd ~/opam-repository && (git cat-file -e 8cd35acddd18fa903782ac90de78467ca3e3b506 || git fetch origin master) && git reset -q --hard 8cd35acddd18fa903782ac90de78467ca3e3b506 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN 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 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-30 12:12.17: Using cache hint "jmid/mutaml-ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3-debian-13-5.5_arm64_opam-2.5-8f2e6a77f59f76ab52cc83c8a72066e3"2026-06-30 12:12.17: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3)(comment debian-13-5.5_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 (cache (opam-archives (target /home/opam/.opam/download-cache)))(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"))(workdir /src)(run (shell "sudo chown opam /src"))(run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))(copy (src mutaml.opam) (dst ./))(run (network host)(shell "opam pin add -yn mutaml.dev './'"))(run (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 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 /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")))2026-06-30 12:12.17: Waiting for resource in pool OCluster2026-06-30 12:12.17: Waiting for worker…2026-06-30 12:12.17: Got resource from pool OClusterBuilding on molpadia.caelum.ci.devAll commits already cachedHEAD is now at 783831d Merge pull request #44 from jmid/dependabot/github_actions/actions/checkout-5(from ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3)Unable to find image 'ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3' locallydocker.io/ocaml/opam@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3: Pulling from ocaml/opamed660e1af0f5: Already exists5c6e31d6f721: Already exists1ea2cb704415: Already existse77ea926ef13: Already existsdc248e29b92a: Already exists3e82c1336936: Already existsf799d2f982df: Already exists8804700ce510: Already existsf69f72c2b3cf: Already exists4fa0772ce945: Already exists2bf970ac077a: Already exists3fb81cc3e03a: Already existsec950dc8547e: Already existsb8dbbd1661bd: Already exists718844bd488e: Already existsf7f221e930a0: Already existsd8770de6d558: Already exists50863f42e7e6: Already existsdcd48d4b2578: Already existscec536bb4b4c: Already existsbfeec3d53903: Already exists4f4fb700ef54: Already exists3a2088926371: Already exists0febc4b842e6: Already exists73e4991d1f66: Already exists7e2a54e0af64: Already exists5f7817ad6a1e: Already exists5f57acd65e16: Already existse2027d3fab12: Already exists324234d18fb0: Already existsff70d42c8c18: Already existsccdbf99a64bb: Already existsfb75fc4f0ac9: Already exists1d968aafa7c9: Already exists231c6753bb46: Already exists2cdb8e0190b3: Already exists1febe1aeb145: Already exists7742d250fe83: Already existsaa46109e80a6: Already exists89e47cbe0d20: Already exists8ad60fc024b8: Pulling fs layer46e006b84485: Pulling fs layere4879c198f2f: Pulling fs layerbd4da9298f94: Pulling fs layerd80c7b2728e9: Pulling fs layer52af644b4d13: Pulling fs layereec10b8778ca: Pulling fs layerbd4da9298f94: Waitingd80c7b2728e9: Waiting52af644b4d13: Waitingeec10b8778ca: Waiting46e006b84485: Verifying Checksum46e006b84485: Download complete8ad60fc024b8: Download complete8ad60fc024b8: Pull complete46e006b84485: Pull completee4879c198f2f: Verifying Checksume4879c198f2f: Download completee4879c198f2f: Pull completed80c7b2728e9: Verifying Checksumd80c7b2728e9: Download complete52af644b4d13: Verifying Checksum52af644b4d13: Download completeeec10b8778ca: Verifying Checksumeec10b8778ca: Download completebd4da9298f94: Verifying Checksumbd4da9298f94: Download completebd4da9298f94: Pull completed80c7b2728e9: Pull complete52af644b4d13: Pull completeeec10b8778ca: Pull completeDigest: sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3Status: Downloaded newer image for ocaml/opam@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b32026-06-30 12:12.18 ---> using "cbb323d3fccb22d60a51367b2ed5885760769ca5c73fda9366390f43e8f017b8" from cache/: (comment debian-13-5.5_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"))2026-06-30 12:12.18 ---> using "64593d6b1e9a9442635791f2578e8c556e4d06cb2c28ea78c79463e4313e4dc9" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(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_HEADb85f65c75d..8cd35acddd master -> origin/master8cd35acddd Merge pull request #30092 from shonfeder/release-dune-3.24.02026-06-30 12:12.22 ---> saved as "d18e1dcab9d451ec0e07643cc02b47e2840d5157db1c914d981a0c9f6ab90082"/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 2.1 to version 2.2, which can't be reverted.You may want to back it up before going further.[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 --globalContinue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-30 12:12.41 ---> saved as "271676eddb3d93136cc9047826fe0bd5144332896398f5570e70a005de028bfc"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 5.5.02.5.12026-06-30 12:12.41 ---> saved as "b9ed46cc33cf846fd6296783d2a9d5f381574f04b55fe5bf6369792801410dc0"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-30 12:12.42 ---> saved as "7fff621b152af23ce2ab7122d024914b6f0a3ac7f1dba569328ff6e97aadcf9f"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///home/opam/opam-repositoryThe following actions will be performed:=== recompile 7 packages- recompile base-domains base [uses ocaml]- recompile base-effects base [uses ocaml]- recompile base-nnp base [uses base-domains]- recompile ocaml 5.5.0 [uses ocaml-base-compiler]- recompile ocaml-base-compiler 5.5.0 (pinned) [uses ocaml-compiler]- recompile ocaml-compiler 5.5.0 [upstream or system changes]- recompile opam-depext 1.2.3 [uses ocaml]=== install 1 package- install compiler-cloning enabled [required by ocaml-compiler]<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved ocaml.5.5.0 (cached)-> removed base-effects.base-> removed base-nnp.base-> removed base-domains.base-> installed compiler-cloning.enabled-> retrieved ocaml-compiler.5.5.0 (cached)-> retrieved opam-depext.1.2.3 (cached)-> removed opam-depext.1.2.3-> removed ocaml.5.5.0-> removed ocaml-base-compiler.5.5.0-> removed ocaml-compiler.5.5.0-> installed ocaml-compiler.5.5.0-> installed ocaml-base-compiler.5.5.0-> installed ocaml.5.5.0-> installed base-domains.base-> installed base-effects.base-> installed base-nnp.base-> installed opam-depext.1.2.3Done.<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead<><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><>=> This switch had to be compiled from sources, but future switches with the 🐌same compiler version and configuration should assemble instantly.# To update the current shell environment, run: eval $(opam env)2026-06-30 12:15.24 ---> saved as "8170998cac9177dc2cc7d0ca58f704785f37eb613e127d0c2205a00d0e6d6854"/src: (copy (src mutaml.opam) (dst ./))2026-06-30 12:15.24 ---> saved as "bd36bed397f62f5c809d307b417b72c74573cec5f7d869b7288d337136f93591"/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)2026-06-30 12:15.26 ---> saved as "509994023384e6c6b04652b913c60d6a77bec4126e31e1a0a6c7f109726710b9"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-30 12:15.26 ---> saved as "bfb6a77fb091daf5a4ec25650b2bc2fff501dd513422f474fc3250732b964230"/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 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")/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 [223 kB]- Fetched 314 kB in 0s (1893 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-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).# To update the current shell environment, run: eval $(opam env)2026-06-30 12:15.36 ---> saved as "9f1110597a0b1fe8a307c293294d105a37015e940c18c2627d7e8317e5b1cdab"/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-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 <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> 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.v0.17.2 (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 stdlib-random.1.2.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved yojson.3.0.0 (cached)-> retrieved ppxlib.0.38.0 (cached)-> retrieved dune.3.24.0, dune-configurator.3.24.0 (cached)-> installed ocamlfind.1.9.8-> installed dune.3.24.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed ocaml-compiler-libs.v0.17.0-> installed ocaml_intrinsics_kernel.v0.17.2-> installed octavius.1.2.2-> installed ppx_derivers.1.2.1-> 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 dune-configurator.3.24.0-> installed ounit2.2.2.7-> 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.v0.17.1Done.# To update the current shell environment, run: eval $(opam env)2026-06-30 12:16.50 ---> saved as "d6f1c3d4dcc154d460d2148e31daf988c980337ade7bb4a28835ba5730b1a295"/src: (copy (src .) (dst /src))2026-06-30 12:16.51 ---> saved as "543f9da602de6f8fea249ffa5ef1e97d368a74244fb57952148c7e24ffff56c7"/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: 0.10 seconds.OK(cd _build/default && /home/opam/.opam/5.5/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/5.5/lib/ocaml-compiler-libs/common -I /home/opam/.opam/5.5/lib/ocaml-compiler-libs/shadow -I /home/opam/.opam/5.5/lib/ocaml/compiler-libs -I /home/opam/.opam/5.5/lib/ppx_derivers -I /home/opam/.opam/5.5/lib/ppx_yojson_conv_lib -I /home/opam/.opam/5.5/lib/ppxlib -I /home/opam/.opam/5.5/lib/ppxlib/ast -I /home/opam/.opam/5.5/lib/ppxlib/astlib -I /home/opam/.opam/5.5/lib/ppxlib/print_diff -I /home/opam/.opam/5.5/lib/ppxlib/stdppx -I /home/opam/.opam/5.5/lib/ppxlib/traverse_builtins -I /home/opam/.opam/5.5/lib/sexplib0 -I /home/opam/.opam/5.5/lib/stdlib-random/v4 -I /home/opam/.opam/5.5/lib/stdlib-shims -I /home/opam/.opam/5.5/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 12026-06-30 12:16.55: Job failed: Failed: Build failed