2026-01-16 13:59.46: New job: test avsm/ocaml-yaml https://github.com/avsm/ocaml-yaml.git#refs/heads/master (d126d9417d85096e421dd3c4cf3550e18ffc3c4e) (linux-x86_64:debian-13-5.4_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.4@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3 Opam project build To reproduce locally: git clone --recursive "https://github.com/avsm/ocaml-yaml.git" -b "master" && cd "ocaml-yaml" && git reset --hard d126d941 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3 # debian-13-5.4_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 yaml.opam yaml-sexp.opam ./ RUN opam pin add -yn yaml.dev './' && \ opam pin add -yn yaml-sexp.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bos.0.2.1 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 cstruct.6.2.0 ctypes.0.24.0 dune.3.21.0 dune-configurator.3.21.0 ezjsonm.1.3.0 fmt.0.11.0 fpath.0.7.3 hex.1.5.0 integers.0.7.0 jsonm.1.0.2 junit.2.3.0 junit_alcotest.2.3.0 logs.0.10.0 mdx.2.5.1 num.1.6 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-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 parsexp.v0.17.0 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 ptime.1.2.0 re.1.14.0 result.1.5 rresult.0.7.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.1 tyxml.4.6.0 uutf.1.0.4" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y yaml.dev yaml-sexp.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 2026-01-16 13:59.46: Using cache hint "avsm/ocaml-yaml-ocaml/opam:debian-13-ocaml-5.4@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3-debian-13-5.4_opam-2.5-1fa8edb3d2fc2c9281a7b9c004a8ddb0" 2026-01-16 13:59.46: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3) (comment debian-13-5.4_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src yaml.opam yaml-sexp.opam) (dst ./)) (run (network host) (shell "opam pin add -yn yaml.dev './' && \ \nopam pin add -yn yaml-sexp.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bos.0.2.1 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 cstruct.6.2.0 ctypes.0.24.0 dune.3.21.0 dune-configurator.3.21.0 ezjsonm.1.3.0 fmt.0.11.0 fpath.0.7.3 hex.1.5.0 integers.0.7.0 jsonm.1.0.2 junit.2.3.0 junit_alcotest.2.3.0 logs.0.10.0 mdx.2.5.1 num.1.6 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-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 parsexp.v0.17.0 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 ptime.1.2.0 re.1.14.0 result.1.5 rresult.0.7.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.1 tyxml.4.6.0 uutf.1.0.4") (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 yaml.dev yaml-sexp.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")) ) 2026-01-16 13:59.46: Waiting for resource in pool OCluster 2026-01-16 18:48.50: Waiting for worker… 2026-01-16 18:52.15: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at d126d94 update CHANGES (from ocaml/opam:debian-13-ocaml-5.4@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3' locally docker.io/ocaml/opam@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3: Pulling from ocaml/opam 281b80c799de: Already exists 00fc4ac50d5e: Already exists 7dc48a314bea: Already exists 8f654937f9e3: Already exists 1240f6fbe8cc: Already exists f77f967230a1: Already exists 1b4ac3d9a8c2: Already exists 27b61414175d: Already exists 26fabf9b20e0: Already exists b4426e2c299b: Already exists 9c12df827e83: Already exists 9a5608646906: Already exists 2a83342677ae: Already exists 5cbaedd36b85: Already exists 750a9830ac77: Already exists 400560080670: Already exists bad13195b6fa: Already exists b51fe78b498e: Already exists 185ce27e889b: Already exists 8a483dc1e759: Already exists 4de9d6d54a13: Already exists 0c268a22c8a0: Already exists 4f4fb700ef54: Already exists e61881bc2621: Already exists c864a4af1ff0: Already exists 42d012f62ad9: Already exists ccb2ed78fa2e: Already exists 84c22434b2f6: Already exists 18c972827b32: Already exists 4c6dcdff9e80: Already exists 280bf9d33ca6: Already exists 51ce8c29753c: Already exists 5ac80663b9d2: Already exists 93f877c915e3: Already exists 8573ccc6bb69: Already exists d26192cd75ec: Already exists c7cce15b715e: Already exists c998ca7b5976: Already exists 3cd1b61d806b: Already exists 19a26ec5319e: Already exists b1f6813045f3: Already exists 2fb6fee07095: Already exists d7a8a6f23075: Already exists d1eb163b4fac: Already exists e0b466a68532: Pulling fs layer f701b61727fa: Pulling fs layer c0d8b175dc9a: Pulling fs layer 8b2051f9a1b1: Pulling fs layer 8b2051f9a1b1: Waiting c0d8b175dc9a: Verifying Checksum c0d8b175dc9a: Download complete f701b61727fa: Verifying Checksum f701b61727fa: Download complete 8b2051f9a1b1: Verifying Checksum 8b2051f9a1b1: Download complete e0b466a68532: Verifying Checksum e0b466a68532: Download complete e0b466a68532: Pull complete f701b61727fa: Pull complete c0d8b175dc9a: Pull complete 8b2051f9a1b1: Pull complete Digest: sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3 Status: Downloaded newer image for ocaml/opam@sha256:9f4103f7d94b5db36adc57e1243e7aafbc77118b03f3c64c9d783f6875957bd3 2026-01-16 18:52.16 ---> using "85f72cf1fe4e2d7307f2dbfaf295ab13f00915a95088b79c0422ecbd77383032" from cache /: (comment debian-13-5.4_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")) 2026-01-16 18:52.16 ---> using "78a7ca1ee7981e072ac31ae8d141d060144d7ec9e5b18dc877a8bbe037974256" 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 2026-01-16 18:52.16 ---> using "2183cb7eaf9b84e81e5ff4d7e50274693ca3a6a7eab065b351a6f0a5e5e206ee" 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 2026-01-16 18:52.16 ---> using "128bd6903db48747885b1ee4675fe1f74f3da316a4d12a8e3b8cb58c4c37fc17" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-16 18:52.16 ---> using "15f3722c1ad456cbc698ac509447699ffc7196cf28d8e87314beba25e1926f0d" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD a6b2f19780..92679ed614 master -> origin/master 873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0 <><> 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) 2026-01-16 18:52.16 ---> using "461a5d1b3105d9b49033ed943f71e891c67a7f982f0c70d9ef26eda48a17d87e" from cache /src: (copy (src yaml.opam yaml-sexp.opam) (dst ./)) 2026-01-16 18:52.16 ---> saved as "6b0aabb2287c5727375d27a006af62333be7f0005bfc0f70eddc1763846055e4" /src: (run (network host) (shell "opam pin add -yn yaml.dev './' && \ \nopam pin add -yn yaml-sexp.dev './'")) [yaml.dev] synchronised (file:///src) yaml is now pinned to file:///src (version dev) [yaml-sexp.dev] synchronised (file:///src) yaml-sexp is now pinned to file:///src (version dev) 2026-01-16 18:52.21 ---> saved as "a51b925bc5877acf4431b16f2d888f876a9f881629e0b137f0178ac82cf96afc" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-16 18:52.21 ---> saved as "ff7d842c296c10bc4daa898c9bf133d041f7a0b78592713d75af41a97d7522ca" /src: (env DEPS "afl-persistent.1.4 alcotest.1.9.1 astring.0.8.5 base.v0.17.3 base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bos.0.2.1 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 crowbar.0.2.2 csexp.1.5.2 cstruct.6.2.0 ctypes.0.24.0 dune.3.21.0 dune-configurator.3.21.0 ezjsonm.1.3.0 fmt.0.11.0 fpath.0.7.3 hex.1.5.0 integers.0.7.0 jsonm.1.0.2 junit.2.3.0 junit_alcotest.2.3.0 logs.0.10.0 mdx.2.5.1 num.1.6 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-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 parsexp.v0.17.0 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 ptime.1.2.0 re.1.14.0 result.1.5 rresult.0.7.0 seq.base sexplib.v0.17.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.1 tyxml.4.6.0 uutf.1.0.4") /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 yaml.dev yaml-sexp.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://deb.debian.org/debian trixie InRelease [140 kB] - 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 trixie/main amd64 Packages [9670 kB] - Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [95.9 kB] - Fetched 9997 kB in 2s (4335 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [yaml.dev] synchronised (file:///src) [yaml-sexp.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) 2026-01-16 18:52.39 ---> saved as "335177e15d2f8c588fc7dd389e8df9450c8b8a46b4e89df811fabb847c04b920" /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 47 packages - install afl-persistent 1.4 - install alcotest 1.9.1 - install astring 0.8.5 - install base v0.17.3 - install bos 0.2.1 - install camlp-streams 5.0.1 - install cmdliner 2.1.0 - install cppo 1.8.0 - install crowbar 0.2.2 - install csexp 1.5.2 - install cstruct 6.2.0 - install ctypes 0.24.0 - install dune 3.21.0 - install dune-configurator 3.21.0 - install ezjsonm 1.3.0 - install fmt 0.11.0 - install fpath 0.7.3 - install hex 1.5.0 - install integers 0.7.0 - install jsonm 1.0.2 - install junit 2.3.0 - install junit_alcotest 2.3.0 - install logs 0.10.0 - install mdx 2.5.1 - install num 1.6 - install ocaml-compiler-libs v0.17.0 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 4.0.3 - install ocaml_intrinsics_kernel v0.17.1 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install parsexp v0.17.0 - install ppx_derivers 1.2.1 - install ppx_sexp_conv v0.17.1 - install ppxlib 0.37.0 - install ppxlib_jane v0.17.4 - install ptime 1.2.0 - install re 1.14.0 - install result 1.5 - install rresult 0.7.0 - install seq base - install sexplib v0.17.0 - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install tyxml 4.6.0 - install uutf 1.0.4 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved afl-persistent.1.4 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved base.v0.17.3 (cached) -> retrieved bos.0.2.1 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved crowbar.0.2.2 (cached) -> retrieved cmdliner.2.1.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved ctypes.0.24.0 (cached) -> retrieved ezjsonm.1.3.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved hex.1.5.0 (cached) -> retrieved integers.0.7.0 (cached) -> retrieved jsonm.1.0.2 (cached) -> retrieved junit.2.3.0, junit_alcotest.2.3.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved num.1.6 (cached) -> retrieved ocaml-compiler-libs.v0.17.0 (cached) -> retrieved mdx.2.5.1 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.0.3 (cached) -> retrieved ocaml_intrinsics_kernel.v0.17.1 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved parsexp.v0.17.0 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved ppx_sexp_conv.v0.17.1 (cached) -> retrieved ppxlib_jane.v0.17.4 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved re.1.14.0 (cached) -> retrieved result.1.5 (cached) -> retrieved rresult.0.7.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved sexplib.v0.17.0 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved ppxlib.0.37.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved tyxml.4.6.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached) -> installed num.1.6 -> installed cmdliner.2.1.0 -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed rresult.0.7.0 -> installed uutf.1.0.4 -> installed fmt.0.11.0 -> installed ptime.1.2.0 -> installed astring.0.8.5 -> installed jsonm.1.0.2 -> installed logs.0.10.0 -> installed fpath.0.7.3 -> installed bos.0.2.1 -> installed dune.3.21.0 -> installed afl-persistent.1.4 -> installed ppx_derivers.1.2.1 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed cppo.1.8.0 -> installed cstruct.6.2.0 -> installed ocaml-compiler-libs.v0.17.0 -> installed ocaml-syntax-shims.1.0.0 -> installed ocaml-version.4.0.3 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed result.1.5 -> installed sexplib0.v0.17.0 -> installed re.1.14.0 -> installed stdlib-shims.0.3.0 -> installed hex.1.5.0 -> installed crowbar.0.2.2 -> installed ezjsonm.1.3.0 -> installed integers.0.7.0 -> installed alcotest.1.9.1 -> installed parsexp.v0.17.0 -> installed dune-configurator.3.21.0 -> installed mdx.2.5.1 -> installed sexplib.v0.17.0 -> installed tyxml.4.6.0 -> installed junit.2.3.0 -> installed junit_alcotest.2.3.0 -> installed ctypes.0.24.0 -> installed base.v0.17.3 -> installed ppxlib.0.37.0 -> installed ppxlib_jane.v0.17.4 -> installed ppx_sexp_conv.v0.17.1 Done. <><> afl-persistent.1.4 installed successfully ><><><><><><><><><><><><><><><><> => afl-persistent is installed, but since the current OCaml compiler does not enable AFL instrumentation by default, most packages will not be instrumented and fuzzing with afl-fuzz may not be effective. To globally enable AFL instrumentation, create an OCaml switch like: opam switch create 5.4.0+afl ocaml-variants.5.4.0+options ocaml-option-afl # To update the current shell environment, run: eval $(opam env) 2026-01-16 18:55.11 ---> saved as "35dae9d5d9f7a773cef2c2216090cd00373dc1b75e1607f2cfbaed23bffc814b" /src: (copy (src .) (dst /src)) 2026-01-16 18:55.11 ---> saved as "3bdbdae6e2e910bbeb7c4d530569fcb10e0b462c13867369b998b0cfa4783782" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/vendor && /usr/bin/gcc -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -O2 -fno-strict-aliasing -fwrapv -fPIC -pthread -Wall -DHAVE_CONFIG_H -I. -c emitter.c) emitter.c: In function 'yaml_emitter_write_plain_scalar': emitter.c:28:6: warning: value computed is not used [-Wunused-value] 28 | && ((emitter->line_break == YAML_CR_BREAK ? \ | ^~ emitter.c:56:11: note: in expansion of macro 'PUT_BREAK' 56 | (PUT_BREAK(emitter), \ | ^~~~~~~~~ emitter.c:1962:18: note: in expansion of macro 'WRITE_BREAK' 1962 | if (!WRITE_BREAK(emitter, string)) return 0; | ^~~~~~~~~~~ emitter.c: In function 'yaml_emitter_write_single_quoted_scalar': emitter.c:28:6: warning: value computed is not used [-Wunused-value] 28 | && ((emitter->line_break == YAML_CR_BREAK ? \ | ^~ emitter.c:56:11: note: in expansion of macro 'PUT_BREAK' 56 | (PUT_BREAK(emitter), \ | ^~~~~~~~~ emitter.c:2019:18: note: in expansion of macro 'WRITE_BREAK' 2019 | if (!WRITE_BREAK(emitter, string)) return 0; | ^~~~~~~~~~~ emitter.c: In function 'yaml_emitter_write_literal_scalar': emitter.c:28:6: warning: value computed is not used [-Wunused-value] 28 | && ((emitter->line_break == YAML_CR_BREAK ? \ | ^~ emitter.c:56:11: note: in expansion of macro 'PUT_BREAK' 56 | (PUT_BREAK(emitter), \ | ^~~~~~~~~ emitter.c:2285:18: note: in expansion of macro 'WRITE_BREAK' 2285 | if (!WRITE_BREAK(emitter, string)) return 0; | ^~~~~~~~~~~ emitter.c: In function 'yaml_emitter_write_folded_scalar': emitter.c:28:6: warning: value computed is not used [-Wunused-value] 28 | && ((emitter->line_break == YAML_CR_BREAK ? \ | ^~ emitter.c:56:11: note: in expansion of macro 'PUT_BREAK' 56 | (PUT_BREAK(emitter), \ | ^~~~~~~~~ emitter.c:2334:18: note: in expansion of macro 'WRITE_BREAK' 2334 | if (!WRITE_BREAK(emitter, string)) return 0; | ^~~~~~~~~~~ (cd _build/default/tests && ./test.exe) Testing `Yaml'. This run has ID `8N1SVW1H'. [OK] parse_event_test_set 0 yaml/bomb.yml. [OK] parse_event_test_set 1 yaml/anchor.yml. [OK] parse_event_test_set 2 yaml/cohttp.yml. [OK] parse_event_test_set 3 yaml/linuxkit.yml. [OK] parse_event_test_set 4 yaml/seq.yml. [OK] parse_event_test_set 5 yaml/too_large.yml. [OK] parse_event_test_set 6 yaml/yaml-1.2.yml. [OK] parse_of_string 0 yaml/anchor.yml. [OK] parse_of_string 1 yaml/cohttp.yml. [OK] parse_of_string 2 yaml/linuxkit.yml. [OK] parse_of_string 3 yaml/seq.yml. [OK] parse_of_string 4 yaml/too_large.yml. [OK] parse_of_string 5 yaml/yaml-1.2.yml. [OK] reflect 0 yaml/bomb.yml. [OK] reflect 1 yaml/anchor.yml. [OK] reflect 2 yaml/cohttp.yml. [OK] reflect 3 yaml/linuxkit.yml. [OK] reflect 4 yaml/seq.yml. [OK] reflect 5 yaml/too_large.yml. [OK] reflect 6 yaml/yaml-1.2.yml. [OK] emit 0 emit. [OK] version 0 version. [OK] quoted_scalars 0 quoted bool. [OK] quoted_scalars 1 quoted null. [OK] quoted_scalars 2 quoted float. [OK] quoted_scalars 3 quoted string. [OK] quoted_scalars 4 quoted int. [OK] quoted_scalars 5 plain int. [OK] quoted_scalars 6 plain bool. [OK] quoted_scalars 7 plain string. [OK] quoted_scalars 8 plain string with quote. [OK] quoted_scalars 9 plain string with int and q... [OK] quoted_scalars 10 double quoted string. [OK] quoted_scalars 11 partially double quoted str... [OK] yaml_equal 0 two null equal. [OK] yaml_equal 1 two floats equal. [OK] yaml_equal 2 two floats not equal. [OK] yaml_equal 3 two bools equal. [OK] yaml_equal 4 two strings equal. [OK] yaml_equal 5 two strings not equal. [OK] yaml_equal 6 two arrays equal. [OK] yaml_equal 7 two arrays not equal. [OK] yaml_equal 8 two objects equal. [OK] yaml_equal 9 different types not equal. [OK] yaml_util 0 same yaml values. [OK] yaml_util 1 find values. [OK] yaml_util 2 missing value. [OK] yaml_util 3 same array with map. [OK] yaml_util 4 same filtered array. Full test results in `/src/_build/default/tests/_build/_tests/Yaml'. Test Successful in 0.031s. 49 tests run. (cd _build/default/tests && ./test_sexp.exe) Testing `Yaml'. This run has ID `DST263V3'. [OK] parse_of_string 0 yaml/anchor.yml. [OK] parse_of_string 1 yaml/cohttp.yml. [OK] parse_of_string 2 yaml/linuxkit.yml. [OK] parse_of_string 3 yaml/seq.yml. [OK] parse_of_string 4 yaml/too_large.yml. [OK] parse_of_string 5 yaml/yaml-1.2.yml. Full test results in `/src/_build/default/tests/_build/_tests/Yaml'. Test Successful in 0.029s. 6 tests run. 2026-01-16 18:55.21 ---> saved as "e665869217c59f401d75e78e373d84d4b9c4560988323354e440ecbdd1e39745" Job succeeded 2026-01-16 18:55.21: Job succeeded