2026-02-15 17:59.51: New job: test mirage/repr https://github.com/mirage/repr.git#refs/pull/112/head (7345635f153a2bafcea8994dc5936e4eec67e356) (linux-x86_64:debian-13-5.4+flambda_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41 Opam project build To reproduce locally: git clone --recursive "https://github.com/mirage/repr.git" && cd "repr" && git fetch origin "refs/pull/112/head" && git reset --hard 7345635f cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41 # debian-13-5.4+flambda_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 repr.opam repr-fuzz.opam repr-bench.opam ppx_repr.opam ./ RUN opam pin add -yn repr.dev './' && \ opam pin add -yn repr-fuzz.dev './' && \ opam pin add -yn repr-bench.dev './' && \ opam pin add -yn ppx_repr.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="afl-persistent.1.4 alcotest.1.5.0 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bechamel.0.5.0 cmdliner.1.0.4 cppo.1.8.0 crowbar.0.2 cstruct.6.2.0 dune.3.21.1 either.1.0.0 fmt.0.9.0 fpath.0.7.3 hex.1.5.0 jsonm.1.0.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.37.0 re.1.14.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.3 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y repr.dev repr-fuzz.dev repr-bench.dev ppx_repr.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 17:59.51: Using cache hint "mirage/repr-ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41-debian-13-5.4+flambda_opam-2.5-a20cf44cb859367dfd0123d1ebec8c3d" 2026-02-15 17:59.51: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41) (comment debian-13-5.4+flambda_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 repr.opam repr-fuzz.opam repr-bench.opam ppx_repr.opam) (dst ./)) (run (network host) (shell "opam pin add -yn repr.dev './' && \ \nopam pin add -yn repr-fuzz.dev './' && \ \nopam pin add -yn repr-bench.dev './' && \ \nopam pin add -yn ppx_repr.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "afl-persistent.1.4 alcotest.1.5.0 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bechamel.0.5.0 cmdliner.1.0.4 cppo.1.8.0 crowbar.0.2 cstruct.6.2.0 dune.3.21.1 either.1.0.0 fmt.0.9.0 fpath.0.7.3 hex.1.5.0 jsonm.1.0.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.37.0 re.1.14.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.3 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 repr.dev repr-fuzz.dev repr-bench.dev ppx_repr.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 17:59.51: Waiting for resource in pool OCluster 2026-02-15 20:17.46: Waiting for worker… 2026-02-15 20:20.45: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at 7345635 Remove useless allow_approximate_merlin-field triggering a deprecation warning (from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41' locally docker.io/ocaml/opam@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41: Pulling from ocaml/opam ef235bf1a09a: Already exists 63ff7b8f62f7: Already exists d97a3c4f37e5: Already exists 998bb0585113: Already exists 94828ef2bfe2: Already exists 3dd00a8a6b86: Already exists 1816e5253dcb: Already exists e502341419e0: Already exists 7741a83685ca: Already exists 713e411af135: Already exists 5d3b19c24612: Already exists 29b7cdb1fafb: Already exists 015412fc79ef: Already exists bbb53f8a3678: Already exists e4b20c98bd52: Already exists 09103d92a91d: Already exists 042e26f97610: Already exists 1ee2a20e6c74: Already exists 83c7c07ee7d9: Already exists 4e9ca69a996f: Already exists 3e6921c56ad6: Already exists c16273f75711: Already exists 4f4fb700ef54: Already exists 4876e5de169a: Already exists 924fedb47896: Already exists eab21cd4733f: Already exists 2a28c5a72f80: Already exists a565bce96cc2: Already exists 1b84da29c428: Already exists a99c55249385: Already exists 5043a4afe7d4: Already exists e596723297c6: Already exists 9233633d4448: Already exists f0cc407c3599: Already exists 5737f0b22df8: Already exists 757775b7c837: Already exists 2d2d616aaf57: Already exists b240f925287f: Already exists a05b65e9dec1: Already exists 752e118a24d2: Already exists 6f4175cf580f: Already exists 8ccdc50d6c4f: Pulling fs layer f943e65f6a67: Pulling fs layer 0233655f7662: Pulling fs layer f18eb7209da3: Pulling fs layer 721d63319ed2: Pulling fs layer 2cc4cab14882: Pulling fs layer d182efc22647: Pulling fs layer f18eb7209da3: Waiting 721d63319ed2: Waiting 2cc4cab14882: Waiting d182efc22647: Waiting f943e65f6a67: Download complete 8ccdc50d6c4f: Download complete 8ccdc50d6c4f: Pull complete f943e65f6a67: Pull complete 0233655f7662: Verifying Checksum 0233655f7662: Download complete 0233655f7662: Pull complete 721d63319ed2: Verifying Checksum 721d63319ed2: Download complete 2cc4cab14882: Verifying Checksum d182efc22647: Verifying Checksum d182efc22647: Download complete f18eb7209da3: Verifying Checksum f18eb7209da3: Download complete f18eb7209da3: Pull complete 721d63319ed2: Pull complete 2cc4cab14882: Pull complete d182efc22647: Pull complete Digest: sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41 Status: Downloaded newer image for ocaml/opam@sha256:e5745e227280bb7cdb99c8b32d1ccd5effc1c6bfd6a3654ef56d5037a22e2d41 2026-02-15 20:20.46 ---> using "99a562272dc8ce3c679ddc6d0cba880bddddf1e9ea3303dd28b933af799c6dd7" from cache /: (comment debian-13-5.4+flambda_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 20:20.46 ---> using "979124831c702b9ebdd46ca5988dc693ad2c8bdd46c7e8eb458e5f1b8578d558" 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 71 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=71 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-02-15 20:20.46 ---> using "ed36e33e2685751c6c787b82ebe87388d91f71485d9e9b7d5693bce3fc644ccf" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-87-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-02-15 20:20.46 ---> using "b81469fd0f2a80b576e0eb694d6d3cb9cd81729b257965237f6dd1e91fc1b2e6" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-02-15 20:20.46 ---> using "5630e91122e70a7afd83fd5c1530e31b84e3c4824ac11ecb8163900e5dbaf849" 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")) 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 20:20.46 ---> using "9ff0e7b03d79666cc3abfbec6d41fbdbceaa1650b9d0c3ae28ee99715dac12f9" from cache /src: (copy (src repr.opam repr-fuzz.opam repr-bench.opam ppx_repr.opam) (dst ./)) 2026-02-15 20:20.46 ---> saved as "2c05d8d3ebf0bb192e6c433de280dfad710f760edc558b3f0dc7947a6df4634f" /src: (run (network host) (shell "opam pin add -yn repr.dev './' && \ \nopam pin add -yn repr-fuzz.dev './' && \ \nopam pin add -yn repr-bench.dev './' && \ \nopam pin add -yn ppx_repr.dev './'")) [repr.dev] synchronised (file:///src) repr is now pinned to file:///src (version dev) [repr-fuzz.dev] synchronised (file:///src) repr-fuzz is now pinned to file:///src (version dev) [repr-bench.dev] synchronised (file:///src) repr-bench is now pinned to file:///src (version dev) [ppx_repr.dev] synchronised (file:///src) ppx_repr is now pinned to file:///src (version dev) 2026-02-15 20:20.51 ---> saved as "5f0cc8fb70be24ec1d02953630d1f2e0fe85f7efccfe8a7ec1723610ac5bf275" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-02-15 20:20.52 ---> saved as "6b27467e8a0a89dd51a5cc7b6872aad1ad1706637d2c9b5c2786da6fa16ac09b" /src: (env DEPS "afl-persistent.1.4 alcotest.1.5.0 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base base64.3.5.2 bechamel.0.5.0 cmdliner.1.0.4 cppo.1.8.0 crowbar.0.2 cstruct.6.2.0 dune.3.21.1 either.1.0.0 fmt.0.9.0 fpath.0.7.3 hex.1.5.0 jsonm.1.0.2 ocaml.5.4.0 ocaml-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-syntax-shims.1.0.0 ocaml-variants.5.4.0+options ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 ppx_derivers.1.2.1 ppx_deriving.6.1.1 ppxlib.0.37.0 re.1.14.0 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.3 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 repr.dev repr-fuzz.dev repr-bench.dev ppx_repr.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 amd64 Packages [108 kB] - Fetched 198 kB in 0s (1761 kB/s) - Reading package lists... <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [ppx_repr.dev] synchronised (file:///src) [repr.dev] synchronised (file:///src) [repr-bench.dev] synchronised (file:///src) [repr-fuzz.dev] synchronised (file:///src) [NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options). [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 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 20:21.01 ---> saved as "ddf5252f7b3c6839aa595e0b2e87596883843152c0bc5f49ddf7b64bcd44f1fb" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options). [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 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 31 packages - install afl-persistent 1.4 - install alcotest 1.5.0 - install astring 0.8.5 - install base-bytes base - install base64 3.5.2 - install bechamel 0.5.0 - install cmdliner 1.0.4 - install cppo 1.8.0 - install crowbar 0.2 - install cstruct 6.2.0 - install dune 3.21.1 - install either 1.0.0 - install fmt 0.9.0 - install fpath 0.7.3 - install hex 1.5.0 - install jsonm 1.0.2 - install ocaml-compiler-libs v0.17.0 - install ocaml-syntax-shims 1.0.0 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install optint 0.3.0 - install ppx_derivers 1.2.1 - install ppx_deriving 6.1.1 - install ppxlib 0.37.0 - install re 1.14.0 - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install uutf 1.0.3 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved afl-persistent.1.4 (cached) -> retrieved alcotest.1.5.0 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved base64.3.5.2 (cached) -> retrieved bechamel.0.5.0 (cached) -> retrieved cmdliner.1.0.4 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved crowbar.0.2 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved either.1.0.0 (cached) -> retrieved fmt.0.9.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved hex.1.5.0 (cached) -> retrieved jsonm.1.0.2 (cached) -> retrieved ocaml-compiler-libs.v0.17.0 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved ppx_deriving.6.1.1 (cached) -> retrieved re.1.14.0 (cached) -> retrieved sexplib0.v0.17.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved ppxlib.0.37.0 (cached) -> retrieved uutf.1.0.3 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved dune.3.21.1 (cached) -> installed cmdliner.1.0.4 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed ocamlbuild.0.16.1 -> installed topkg.1.1.1 -> installed uutf.1.0.3 -> installed fmt.0.9.0 -> installed astring.0.8.5 -> installed jsonm.1.0.2 -> installed fpath.0.7.3 -> installed dune.3.21.1 -> installed afl-persistent.1.4 -> installed ppx_derivers.1.2.1 -> installed either.1.0.0 -> installed base64.3.5.2 -> installed stdlib-shims.0.3.0 -> installed optint.0.3.0 -> installed cstruct.6.2.0 -> installed bechamel.0.5.0 -> installed hex.1.5.0 -> installed sexplib0.v0.17.0 -> installed cppo.1.8.0 -> installed ocaml-syntax-shims.1.0.0 -> installed ocaml-compiler-libs.v0.17.0 -> installed re.1.14.0 -> installed yojson.3.0.0 -> installed ocplib-endian.1.2 -> installed crowbar.0.2 -> installed alcotest.1.5.0 -> installed ppxlib.0.37.0 -> installed ppx_deriving.6.1.1 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) 2026-02-15 20:22.04 ---> saved as "62c836684057f15308224e57355b93c51ec486908b6012f89fcd735a1f952246" /src: (copy (src .) (dst /src)) 2026-02-15 20:22.04 ---> saved as "d6d281e78033d487e5b111204283fd4591fdf987d35a07274679067033cff570" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (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_repr/lib/.ppx_repr_lib.objs/byte -I /home/opam/.opam/5.4/lib/fmt -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/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-shims -no-alias-deps -opaque -open Ppx_repr_lib__ -o src/ppx_repr/lib/.ppx_repr_lib.objs/byte/ppx_repr_lib__Attributes_intf.cmo -c -impl src/ppx_repr/lib/attributes_intf.pp.ml) File "src/ppx_repr/lib/attributes_intf.ml", line 11, characters 15-16: 11 | module Make (T : sig ^ Error (warning 67 [unused-functor-parameter]): unused functor parameter T. (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_repr/lib/.ppx_repr_lib.objs/byte -I /home/opam/.opam/5.4/lib/fmt -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/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-shims -no-alias-deps -opaque -open Ppx_repr_lib__ -o src/ppx_repr/lib/.ppx_repr_lib.objs/byte/ppx_repr_lib__Plugins.cmi -c -intf src/ppx_repr/lib/plugins.pp.mli) File "src/ppx_repr/lib/plugins.mli", line 17, characters 13-14: 17 | module Make (T : sig ^ Error (warning 67 [unused-functor-parameter]): unused functor parameter T. (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_repr/lib/.ppx_repr_lib.objs/byte -I /home/opam/.opam/5.4/lib/fmt -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/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-shims -no-alias-deps -opaque -open Ppx_repr_lib__ -o src/ppx_repr/lib/.ppx_repr_lib.objs/byte/ppx_repr_lib__Algebraic_intf.cmo -c -impl src/ppx_repr/lib/algebraic_intf.pp.ml) File "src/ppx_repr/lib/algebraic_intf.ml", line 65, characters 18-19: 65 | module Located (S : Ast_builder.S) (M : Monad.S) : S with module M = M ^ Error (warning 67 [unused-functor-parameter]): unused functor parameter S. (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 fuzz/.main.eobjs/byte -I /home/opam/.opam/5.4/lib/afl-persistent -I /home/opam/.opam/5.4/lib/base64 -I /home/opam/.opam/5.4/lib/bytes -I /home/opam/.opam/5.4/lib/cmdliner -I /home/opam/.opam/5.4/lib/crowbar -I /home/opam/.opam/5.4/lib/either -I /home/opam/.opam/5.4/lib/fmt -I /home/opam/.opam/5.4/lib/jsonm -I /home/opam/.opam/5.4/lib/ocaml/str -I /home/opam/.opam/5.4/lib/ocaml/unix -I /home/opam/.opam/5.4/lib/ocplib-endian -I /home/opam/.opam/5.4/lib/optint -I /home/opam/.opam/5.4/lib/uutf -I src/repr/.repr.objs/byte -cmi-file fuzz/.main.eobjs/byte/dune__exe__Main.cmi -no-alias-deps -opaque -o fuzz/.main.eobjs/byte/dune__exe__Main.cmo -c -impl fuzz/main.pp.ml) File "fuzz/main.ml", line 96, characters 2-16: 96 | | TInt : int t ^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TInt is never used to build values. (However, this constructor appears in patterns.) File "fuzz/main.ml", line 97, characters 2-20: 97 | | TInt32 : int32 t ^^^^^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TInt32 is never used to build values. (However, this constructor appears in patterns.) File "fuzz/main.ml", line 98, characters 2-20: 98 | | TInt64 : int64 t ^^^^^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TInt64 is never used to build values. (However, this constructor appears in patterns.) File "fuzz/main.ml", line 99, characters 2-20: 99 | | TFloat : float t ^^^^^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TFloat is never used to build values. (However, this constructor appears in patterns.) (cd _build/default && /home/opam/.opam/5.4/bin/ocamlopt.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 -I fuzz/.main.eobjs/byte -I fuzz/.main.eobjs/native -I /home/opam/.opam/5.4/lib/afl-persistent -I /home/opam/.opam/5.4/lib/base64 -I /home/opam/.opam/5.4/lib/bytes -I /home/opam/.opam/5.4/lib/cmdliner -I /home/opam/.opam/5.4/lib/crowbar -I /home/opam/.opam/5.4/lib/either -I /home/opam/.opam/5.4/lib/fmt -I /home/opam/.opam/5.4/lib/jsonm -I /home/opam/.opam/5.4/lib/ocaml/str -I /home/opam/.opam/5.4/lib/ocaml/unix -I /home/opam/.opam/5.4/lib/ocplib-endian -I /home/opam/.opam/5.4/lib/optint -I /home/opam/.opam/5.4/lib/uutf -I src/repr/.repr.objs/byte -I src/repr/.repr.objs/native -cmi-file fuzz/.main.eobjs/byte/dune__exe__Main.cmi -no-alias-deps -opaque -o fuzz/.main.eobjs/native/dune__exe__Main.cmx -c -impl fuzz/main.pp.ml) File "fuzz/main.ml", line 96, characters 2-16: 96 | | TInt : int t ^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TInt is never used to build values. (However, this constructor appears in patterns.) File "fuzz/main.ml", line 97, characters 2-20: 97 | | TInt32 : int32 t ^^^^^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TInt32 is never used to build values. (However, this constructor appears in patterns.) File "fuzz/main.ml", line 98, characters 2-20: 98 | | TInt64 : int64 t ^^^^^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TInt64 is never used to build values. (However, this constructor appears in patterns.) File "fuzz/main.ml", line 99, characters 2-20: 99 | | TFloat : float t ^^^^^^^^^^^^^^^^^^ Error (warning 37 [unused-constructor]): constructor TFloat is never used to build values. (However, this constructor appears in patterns.) "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-02-15 20:22.09: Job failed: Failed: Build failed