2026-04-16 16:37.58: New job: test jmid/mutaml https://github.com/jmid/mutaml.git#refs/heads/main (783831dcb58310a4cd7a6c03dc12c45cd8b74f36) (linux-x86_64:ubuntu-25.04-5.4_opam-2.5) Base: ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691 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 ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691 # ubuntu-25.04-5.4_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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 $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 2026-04-16 16:37.58: Using cache hint "jmid/mutaml-ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691-ubuntu-25.04-5.4_opam-2.5-b89b763db5a073438c5cd4df74d63046" 2026-04-16 16:37.58: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691) (comment ubuntu-25.04-5.4_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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")) ) 2026-04-16 16:37.58: Waiting for resource in pool OCluster 2026-04-16 18:00.57: Waiting for worker… 2026-04-16 18:10.55: Got resource from pool OCluster Building on eumache.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> Initialised empty Git repository in /var/cache/obuilder/ocluster/git/mutaml.git-27b80c0565d271b270391514ccafbdde5b1a75c4/.git/ HEAD is now at 783831d Merge pull request #44 from jmid/dependabot/github_actions/actions/checkout-5 (from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691) Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691' locally docker.io/ocaml/opam@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691: Pulling from ocaml/opam c62190a9ab61: Already exists f1b90cdcec88: Pulling fs layer f8127a040c1d: Pulling fs layer 2447f562704f: Pulling fs layer 0d0f3574c57a: Pulling fs layer aced54db9227: Pulling fs layer 628811db6b3c: Pulling fs layer d98318ee8cc2: Pulling fs layer b4056aeacb3c: Pulling fs layer 318cc58f031e: Pulling fs layer e3395b2326bd: Pulling fs layer 506a26e021f3: Pulling fs layer 9586cad45233: Pulling fs layer ff737bcc8afd: Pulling fs layer 97c90c908f2c: Pulling fs layer e3e492fc5cff: Pulling fs layer 6dc572fd729f: Pulling fs layer 823b417e9c08: Pulling fs layer f96f3df0bcd1: Pulling fs layer e87ce6e2ce9c: Pulling fs layer aacf312e7271: Pulling fs layer 4f4fb700ef54: Pulling fs layer 5890479a716c: Pulling fs layer b5227f4fe3ac: Pulling fs layer 68ef80443855: Pulling fs layer 552579538854: Pulling fs layer e6ed7c3a752f: Pulling fs layer 365e137a0aa5: Pulling fs layer e58e7ad04a6a: Pulling fs layer 3cc1cd29089f: Pulling fs layer a0521c40c1eb: Pulling fs layer a1dc524408e1: Pulling fs layer 1f1d80e028b5: Pulling fs layer 9a99205de717: Pulling fs layer 37e5ec0ffedd: Pulling fs layer b570147adb8a: Pulling fs layer 620a0584243b: Pulling fs layer ae1ae5589352: Pulling fs layer a9b28e13afbf: Pulling fs layer 82ac02c3438f: Pulling fs layer 63de1911d408: Pulling fs layer 0d0f3574c57a: Waiting d068a121e87b: Pulling fs layer aced54db9227: Waiting 628811db6b3c: Waiting ecc208f29136: Pulling fs layer d98318ee8cc2: Waiting 226eb74151c6: Pulling fs layer 468808489549: Pulling fs layer b4056aeacb3c: Waiting 318cc58f031e: Waiting 6f5b63162ee4: Pulling fs layer 5fea2b7079e1: Pulling fs layer e3395b2326bd: Waiting 506a26e021f3: Waiting 9586cad45233: Waiting ff737bcc8afd: Waiting 97c90c908f2c: Waiting a1dc524408e1: Waiting e3e492fc5cff: Waiting 1f1d80e028b5: Waiting 6dc572fd729f: Waiting 9a99205de717: Waiting 37e5ec0ffedd: Waiting 823b417e9c08: Waiting b570147adb8a: Waiting 620a0584243b: Waiting f96f3df0bcd1: Waiting ae1ae5589352: Waiting a9b28e13afbf: Waiting e87ce6e2ce9c: Waiting 82ac02c3438f: Waiting aacf312e7271: Waiting 63de1911d408: Waiting 4f4fb700ef54: Waiting d068a121e87b: Waiting 5890479a716c: Waiting ecc208f29136: Waiting b5227f4fe3ac: Waiting 68ef80443855: Waiting 226eb74151c6: Waiting 468808489549: Waiting 552579538854: Waiting 6f5b63162ee4: Waiting e6ed7c3a752f: Waiting 365e137a0aa5: Waiting e58e7ad04a6a: Waiting 5fea2b7079e1: Waiting a0521c40c1eb: Waiting 3cc1cd29089f: Waiting f1b90cdcec88: Download complete f1b90cdcec88: Pull complete f8127a040c1d: Download complete f8127a040c1d: Pull complete 0d0f3574c57a: Verifying Checksum 0d0f3574c57a: Download complete aced54db9227: Download complete 628811db6b3c: Verifying Checksum 628811db6b3c: Download complete d98318ee8cc2: Download complete 2447f562704f: Verifying Checksum 2447f562704f: Download complete b4056aeacb3c: Download complete 506a26e021f3: Verifying Checksum 506a26e021f3: Download complete e3395b2326bd: Download complete 2447f562704f: Pull complete 0d0f3574c57a: Pull complete ff737bcc8afd: Verifying Checksum ff737bcc8afd: Download complete 97c90c908f2c: Download complete 9586cad45233: Verifying Checksum 9586cad45233: Download complete e3e492fc5cff: Verifying Checksum e3e492fc5cff: Download complete 6dc572fd729f: Verifying Checksum 6dc572fd729f: Download complete 318cc58f031e: Verifying Checksum 318cc58f031e: Download complete f96f3df0bcd1: Verifying Checksum f96f3df0bcd1: Download complete aacf312e7271: Verifying Checksum aacf312e7271: Download complete e87ce6e2ce9c: Verifying Checksum e87ce6e2ce9c: Download complete 4f4fb700ef54: Verifying Checksum 4f4fb700ef54: Download complete 823b417e9c08: Download complete 5890479a716c: Verifying Checksum 5890479a716c: Download complete 68ef80443855: Verifying Checksum 68ef80443855: Download complete b5227f4fe3ac: Verifying Checksum b5227f4fe3ac: Download complete 552579538854: Verifying Checksum 552579538854: Download complete 365e137a0aa5: Verifying Checksum 365e137a0aa5: Download complete e58e7ad04a6a: Download complete e6ed7c3a752f: Download complete 3cc1cd29089f: Verifying Checksum 3cc1cd29089f: Download complete a1dc524408e1: Verifying Checksum a1dc524408e1: Download complete 1f1d80e028b5: Verifying Checksum 1f1d80e028b5: Download complete 9a99205de717: Download complete a0521c40c1eb: Download complete b570147adb8a: Verifying Checksum b570147adb8a: Download complete ae1ae5589352: Download complete a9b28e13afbf: Verifying Checksum a9b28e13afbf: Download complete 82ac02c3438f: Download complete 63de1911d408: Download complete aced54db9227: Pull complete d068a121e87b: Verifying Checksum d068a121e87b: Download complete 628811db6b3c: Pull complete ecc208f29136: Verifying Checksum ecc208f29136: Download complete 37e5ec0ffedd: Verifying Checksum 37e5ec0ffedd: Download complete d98318ee8cc2: Pull complete 468808489549: Download complete b4056aeacb3c: Pull complete 318cc58f031e: Pull complete 6f5b63162ee4: Verifying Checksum 6f5b63162ee4: Download complete e3395b2326bd: Pull complete 506a26e021f3: Pull complete 5fea2b7079e1: Verifying Checksum 5fea2b7079e1: Download complete 9586cad45233: Pull complete ff737bcc8afd: Pull complete 97c90c908f2c: Pull complete e3e492fc5cff: Pull complete 6dc572fd729f: Pull complete 823b417e9c08: Pull complete f96f3df0bcd1: Pull complete e87ce6e2ce9c: Pull complete aacf312e7271: Pull complete 4f4fb700ef54: Pull complete 5890479a716c: Pull complete b5227f4fe3ac: Pull complete 68ef80443855: Pull complete 552579538854: Pull complete e6ed7c3a752f: Pull complete 365e137a0aa5: Pull complete e58e7ad04a6a: Pull complete 3cc1cd29089f: Pull complete a0521c40c1eb: Pull complete a1dc524408e1: Pull complete 1f1d80e028b5: Pull complete 9a99205de717: Pull complete 226eb74151c6: Verifying Checksum 226eb74151c6: Download complete 620a0584243b: Verifying Checksum 620a0584243b: Download complete 37e5ec0ffedd: Pull complete b570147adb8a: Pull complete 620a0584243b: Pull complete ae1ae5589352: Pull complete a9b28e13afbf: Pull complete 82ac02c3438f: Pull complete 63de1911d408: Pull complete d068a121e87b: Pull complete ecc208f29136: Pull complete 226eb74151c6: Pull complete 468808489549: Pull complete 6f5b63162ee4: Pull complete 5fea2b7079e1: Pull complete Digest: sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691 Status: Downloaded newer image for ocaml/opam@sha256:1349371fdc9b62b02ffed54cc7820257fdab26cac7d31ecd02113a584b129691 2026-04-16 18:10.56 ---> using "f5e318b4f7827354c80e01f5eb08623f14d26dfa9c8f46d7e4a7dc1dd9ab7d51" from cache /: (comment ubuntu-25.04-5.4_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")) 2026-04-16 18:10.56 ---> using "c9f84644fcc821060258035ba30dfb4315e5df38a445f49836385c483d31f3a8" 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 2026-04-16 18:10.56 ---> using "f27a52b673e6e3229d278370091ff6620c479075b9adc6b6ca721f257c891299" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-107-generic The OCaml toplevel, version 5.4.1 2.5.0 2026-04-16 18:10.56 ---> using "63d0aa07c2e13f7fb08e30a71f13a7a028dcde32b34e098fd5a3a3bb36803634" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-16 18:10.56 ---> using "6ccde9157983d8bdc8449890dbf5280f5a1b54008b8dfa81011feef78f5cee9f" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 42844088d7..0b0acbee05 master -> origin/master 5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible 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) 2026-04-16 18:10.56 ---> using "d07808975f80284efc1065bbedd6b695fef964355625506bc4000f19f0db7bf6" from cache /src: (copy (src mutaml.opam) (dst ./)) 2026-04-16 18:10.56 ---> saved as "51abdb82ceaa605f6d6bf2c8f65f307e7410c9541a07612d1ff92e7c97475751" /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) 2026-04-16 18:10.59 ---> saved as "379ae18e708930356ca9f809b150f35136b034d2abadf2e15e2b54821c3d5875" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-16 18:10.59 ---> saved as "8b427a0a823059c8ffeefe852421f4829f3de9fe3b27c89450fed5f000e18cce" /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.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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 plucky InRelease - Hit:2 http://security.ubuntu.com/ubuntu plucky-security InRelease - Hit:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease - Hit:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease - 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 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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) 2026-04-16 18:11.26 ---> saved as "3591043c7f416c0996750c8ac2b9d7e2bfd115910b9b13f18a376a1a203dd5e7" /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 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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 3.22.2 - install dune-configurator 3.22.2 - 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_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.3.22.2, dune-configurator.3.22.2 (cached) -> installed ocamlfind.1.9.8 -> installed dune.3.22.2 -> 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 stdlib-random.1.2.0 -> installed yojson.3.0.0 -> installed ppx_yojson_conv_lib.v0.17.0 -> installed ounit2.2.2.7 -> installed dune-configurator.3.22.2 -> 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) 2026-04-16 18:13.36 ---> saved as "02f29d729e938b89e9881980f6e7e5e8cf6366e5b65b30f4b09b32f42aac0e0d" /src: (copy (src .) (dst /src)) 2026-04-16 18:13.37 ---> saved as "582dc611195a89eb78efd9e0c0b1459cc793968a9b20b109b38c93147b67d4a6" /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: 0.11 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 2026-04-16 18:13.42: Job failed: Failed: Build failed