2026-03-26 14:42.03: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5)Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67Opam 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:ubuntu-25.10-ocaml-5.4@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67# ubuntu-25.10-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 46f289cd3749314bbebddeede62fc05f9858f680 || git fetch origin master) && git reset -q --hard 46f289cd3749314bbebddeede62fc05f9858f680 && git log --no-decorate -n1 --oneline && 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 conf-diffutils.2 conf-timeout.1 cppo.1.8.0 csexp.1.5.2 dune.3.22.0 dune-configurator.3.22.0 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.0.38.0 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-BLOCK2026-03-26 14:42.03: Using cache hint "jmid/mutaml-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67-ubuntu-25.10-5.4_opam-2.5-7c3f4a1f85b283d86b288c7733fdf3e2"2026-03-26 14:42.03: Using OBuilder spec:((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67)(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 46f289cd3749314bbebddeede62fc05f9858f680 || git fetch origin master) && git reset -q --hard 46f289cd3749314bbebddeede62fc05f9858f680 && 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 (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.3.22.0 dune-configurator.3.22.0 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.0.38.0 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")))2026-03-26 14:42.03: Waiting for resource in pool OCluster2026-03-26 15:48.01: Waiting for worker…2026-03-26 15:51.37: Got resource from pool OClusterBuilding on laodoke.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:ubuntu-25.10-ocaml-5.4@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67)Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67' locallydocker.io/ocaml/opam@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67: Pulling from ocaml/opam16c195d4c5e9: Already existseef1e591e8a9: Already exists475b07e782b4: Already exists18fb99e993e1: Already existsca37c6a45798: Already existsc57691858953: Already exists5512f1558e14: Already exists43fe003df081: Already exists6e925d30090e: Already exists3417bab79df5: Already exists0aa36f5a555a: Already exists474fc3d17365: Already exists49a3768a5f63: Already existsc5abc7eafdff: Already exists62941fb37fba: Already exists378967450a13: Already existsb77cfa4e2ae3: Already existscb268f925fd0: Already existscb268f925fd0: Already exists3bf4591bde94: Already exists34a47fe3891d: Already exists0e9e8d8d7a8c: Already exists024b2f94e104: Already exists4f4fb700ef54: Already exists071fbbcf50f3: Already existsb43a2046bab2: Already existsf34036196a91: Already existsb07913c71979: Already existsf1c987ef231c: Already exists1a8485ec060a: Already existsaa1dac00c891: Already exists215e9614a861: Already exists117130324f1d: Already existsedf62db1b518: Already exists0db4778affc6: Already existsa7061a59a18a: Already exists1a46a132d40e: Already existse461a5dda351: Already existsbaef187c60a6: Already exists60fb67301e08: Already existsbf681241fc68: Already exists23eaa9b4d484: Already exists1c659a6a7694: Pulling fs layerdba14649d85a: Pulling fs layer141dacab2962: Pulling fs layer77e0ad4866d4: Pulling fs layer401d82f13ac3: Pulling fs layer29458acfee8b: Pulling fs layer0f86b9a8699c: Pulling fs layer29458acfee8b: Waiting401d82f13ac3: Waiting0f86b9a8699c: Waiting77e0ad4866d4: Waiting141dacab2962: Verifying Checksum141dacab2962: Download complete1c659a6a7694: Download completedba14649d85a: Verifying Checksumdba14649d85a: Download complete1c659a6a7694: Pull complete401d82f13ac3: Verifying Checksum401d82f13ac3: Download complete29458acfee8b: Download complete0f86b9a8699c: Verifying Checksum0f86b9a8699c: Download completedba14649d85a: Pull complete141dacab2962: Pull complete77e0ad4866d4: Verifying Checksum77e0ad4866d4: Download complete77e0ad4866d4: Pull complete401d82f13ac3: Pull complete29458acfee8b: Pull complete0f86b9a8699c: Pull completeDigest: sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a67Status: Downloaded newer image for ocaml/opam@sha256:fef8e549d57e6bc872bbfcde9f96e896c31281f4865349518cb000e3667d4a672026-03-26 15:51.38 ---> using "a781d67ad57eb4ac231790d4a694bd40cad33d7e4b31ef1def44795689b32c1f" 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"))2026-03-26 15:51.38 ---> using "abe213cdc34cea893280fdf44cd1cad04b0a7e440d2650b191efdd05f6df5c7e" 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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-03-26 15:51.38 ---> using "7659bfa6fdb9326b707eb9973ad8bcdf27440a4236f27ab86e5cd85886d159d5" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 5.4.02.5.02026-03-26 15:51.38 ---> using "d964b47b2ae170f14fe1436dc3eb59c3e2c6b43393eaab8966e7fb9cece21c97" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-03-26 15:51.38 ---> using "ee14fa90ac6cc53c98770e42e923950defb8fc6d617d34e15b97a90e3fef1b0c" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 46f289cd3749314bbebddeede62fc05f9858f680 || git fetch origin master) && git reset -q --hard 46f289cd3749314bbebddeede62fc05f9858f680 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD4f056bfedf..46f289cd37 master -> origin/master46f289cd37 Merge pull request #29563 from NathanReb/release-ppxlib-0.38.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-03-26 15:52.09 ---> saved as "9e1f335464ec3ca11228a276962aa131202f1540c52d69d9a0936ef6b30d8efd"/src: (copy (src mutaml.opam) (dst ./))2026-03-26 15:52.09 ---> saved as "d0bc3688a0b5b1d9ec1c4b618a76207a3cdeaa399526d79eb9b60c03305dda7a"/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)2026-03-26 15:52.13 ---> saved as "c7687ab8788d83e378277e8b9e905386152f59c5d0a29a697d7b9972d6357161"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-03-26 15:52.14 ---> saved as "4bfc7af2b7159eb65e374d23a9f157ece140de605e59132a9a3c4d277ead1a12"/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.3.22.0 dune-configurator.3.22.0 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.0.38.0 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://archive.ubuntu.com/ubuntu questing InRelease- Get:2 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]- Get:3 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]- Get:4 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]- Get:5 http://archive.ubuntu.com/ubuntu questing-updates/multiverse amd64 Packages [5979 B]- Get:6 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [326 kB]- Get:7 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [443 kB]- Get:8 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [228 kB]- Get:9 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [315 kB]- Get:10 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [225 kB]- Get:11 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [255 kB]- Fetched 2201 kB in 0s (4817 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)2026-03-26 15:52.41 ---> saved as "cb4df6ed8fdc4255e8e166935755d502950718466aa7981b7c2180c5af74ccb3"/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 3.22.0- install dune-configurator 3.22.0- 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 0.38.0- 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.v0.17.1 (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.0.38.0 (cached)-> retrieved dune.3.22.0, dune-configurator.3.22.0 (cached)-> installed ocamlfind.1.9.8-> installed dune.3.22.0-> 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 ppx_derivers.1.2.1-> installed sexplib0.v0.17.0-> installed octavius.1.2.2-> 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.3.22.0-> 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.v0.17.1Done.# To update the current shell environment, run: eval $(opam env)2026-03-26 15:55.14 ---> saved as "f9ff6399839c786f67d99648abf14771d11435050ee34a0ae77b7184b95490f1"/src: (copy (src .) (dst /src))2026-03-26 15:55.15 ---> saved as "c90c7fda9ba5295ebe7d99f743268088b2bf5b1e8854ffa9b6eb2e7dc85b0eb0"/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: 0.12 seconds.OK(cd _build/default/examples/testproj-2-modules/test && ./ounittest.exe)..Ran: 2 tests in: 0.12 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 12026-03-26 15:55.24: Job failed: Failed: Build failed