2026-01-27 07:31.55: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/ppx-type-wrong-1085--591 (52759b5bacf8bb16a2062a7c341ace5eb0d98b93) (linux-x86_64:opensuse-15.6-4.14_opam-2.5)Base: ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ocsigen/lwt.git" -b "ppx-type-wrong-1085--591" && cd "lwt" && git reset --hard 52759b5bcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7# opensuse-15.6-4.14_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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 lwt_retry.opam lwt_react.opam lwt_ppx.opam lwt.opam ./RUN opam pin add -yn lwt_retry.dev './' && \opam pin add -yn lwt_react.dev './' && \opam pin add -yn lwt_ppx.dev './' && \opam pin add -yn lwt.dev './'RUN echo '(lang dune 3.0)' > './dune-project'ENV DEPS="base.v0.16.4 base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.16.0 ppx_let.v0.16.0 ppxlib.0.35.0 react.1.2.2 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx.dev lwt.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-27 07:31.55: Using cache hint "ocsigen/lwt-ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7-opensuse-15.6-4.14_opam-2.5-8848ee7edca55c06c69349fc595075c8"2026-01-27 07:31.55: Using OBuilder spec:((from ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7)(comment opensuse-15.6-4.14_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 lwt_retry.opam lwt_react.opam lwt_ppx.opam lwt.opam) (dst ./))(run (network host)(shell "opam pin add -yn lwt_retry.dev './' && \\nopam pin add -yn lwt_react.dev './' && \\nopam pin add -yn lwt_ppx.dev './' && \\nopam pin add -yn lwt.dev './'"))(run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))(env DEPS "base.v0.16.4 base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.16.0 ppx_let.v0.16.0 ppxlib.0.35.0 react.1.2.2 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1")(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 lwt_retry.dev lwt_react.dev lwt_ppx.dev lwt.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")))2026-01-27 07:31.55: Waiting for resource in pool OCluster2026-01-27 08:24.11: Waiting for worker…2026-01-27 08:30.16: Got resource from pool OClusterBuilding on eumacheAll commits already cachedHEAD is now at 52759b5ba ppx: add test for #1085, add standalone ppx executable(from ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7)Unable to find image 'ocaml/opam:opensuse-15.6-ocaml-4.14@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7' locallydocker.io/ocaml/opam@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7: Pulling from ocaml/opam625c79e3ae60: Already existsca6439633d2f: Already exists3e61b5a3343d: Already exists572d4bcd324d: Already exists3994ff15a7b0: Already exists1d676486d940: Already exists1805f8e47dca: Already exists3582d9a1382c: Already existsac0b974faa58: Already exists67d656ab5910: Already exists839cdf272e6c: Already exists8689175d709f: Already existse40b27547779: Already exists88cb140bc0e8: Already existsab3a4a69e4f4: Already existse4fd7a94954f: Already exists92f036b4edea: Already exists396a718de0b7: Already exists396a718de0b7: Already exists4f4fb700ef54: Already exists0420ccc16eca: Already existscc2c69f374ef: Already exists22899c47761b: Already exists8faa077d3a79: Already existsb972aa889009: Already existsc6b297e7480d: Already exists3bcaed3c075b: Already existse04276e867bb: Already exists1abd543659d3: Already existscdfeed99d27a: Already exists31a3fe0454c7: Already exists27bd77ac4143: Already exists83ee7dcdeec7: Already exists1619bb7b4db1: Already exists22f6e36aa5fa: Already existsf64ad179410d: Already exists8794b54faffb: Already existsbb981eaa95e1: Already existsa0128ffaf5eb: Already exists5a412c9f106b: Already exists80db8971c211: Already exists6a2ee1c75511: Already existsDigest: sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f7Status: Downloaded newer image for ocaml/opam@sha256:06017813d28497e89c59cf3d506db67c96f556fc1ec8d5031826d12721c9a0f72026-01-27 08:30.16 ---> using "52e816f0aa85450cfc16d266041d2887ffe3489dbdcd0251f1fe96de79154cb7" from cache/: (comment opensuse-15.6-4.14_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"))2026-01-27 08:30.16 ---> using "8650481d781dc9d0d26de5f6a96edc122ddbd937f45050431815622602800d6f" 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] Initialised2026-01-27 08:30.16 ---> using "a639c37e4752436ea63c6b5c9003994a92c182efd195e74310c07ebbd376ee98" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-131-genericThe OCaml toplevel, version 4.14.22.5.02026-01-27 08:30.16 ---> using "30e93a1d8eec7e3649eb26c2f3bbb48b8dc12ffbfe81099d2373f40888537920" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-27 08:30.16 ---> using "725df111b3eaf2178920dcb3b270894ce79a00a527e6f87689cad4be88f17e77" 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"))873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0<><> 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.5.4.0"), which will ask permission to downgrade or uninstall the conflicting packages.Nothing to do.# To update the current shell environment, run: eval $(opam env)2026-01-27 08:30.16 ---> using "011468a684a2fe320449f1170a1c40d7b51c5224afe16e30ab82188bca34a10e" from cache/src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx.opam lwt.opam)(dst ./))2026-01-27 08:30.17 ---> saved as "07810a87d3cb18abe6f8bc07cd3d75bc900864642146f2a0989e41446043919f"/src: (run (network host)(shell "opam pin add -yn lwt_retry.dev './' && \\nopam pin add -yn lwt_react.dev './' && \\nopam pin add -yn lwt_ppx.dev './' && \\nopam pin add -yn lwt.dev './'"))[lwt_retry.dev] synchronised (file:///src)lwt_retry is now pinned to file:///src (version dev)[lwt_react.dev] synchronised (file:///src)lwt_react is now pinned to file:///src (version dev)[lwt_ppx.dev] synchronised (file:///src)lwt_ppx is now pinned to file:///src (version dev)[lwt.dev] synchronised (file:///src)lwt is now pinned to file:///src (version dev)2026-01-27 08:30.20 ---> saved as "cd81d215da5ee43ffe3ddd181e92e7ec01d9c0cfdc8853ba71778f004967c73e"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-27 08:30.20 ---> saved as "3600c414f74be9f56a53128b900897d50509bceb47f5b1d48e6daa1464ce264b"/src: (env DEPS "base.v0.16.4 base-bigarray.base base-bytes.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.21.0 dune-configurator.3.21.0 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.16.0 ppx_let.v0.16.0 ppxlib.0.35.0 react.1.2.2 sexplib0.v0.16.0 stdlib-shims.0.3.0 topkg.1.1.1")/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 lwt_retry.dev lwt_react.dev lwt_ppx.dev lwt.dev $DEPS"))+ /usr/bin/sudo "zypper" "--non-interactive" "refresh"- Retrieving repository 'Update repository of openSUSE Backports' metadata [...- Looking for gpg keys in repository Update repository of openSUSE Backports.- gpgkey=http://download.opensuse.org/update/leap/15.6/backports/repodata/repomd.xml.key- ....- ......- ............- ........- .......- .......- .........- .....- ........- .......done]- Building repository 'Update repository of openSUSE Backports' cache [..- ..done]- Retrieving repository 'Update repository with updates from SUSE Linux Enterprise 15' metadata [..- Looking for gpg keys in repository Update repository with updates from SUSE Linux Enterprise 15.- gpgkey=http://download.opensuse.org/update/leap/15.6/sle/repodata/repomd.xml.key- ....- ......- ...........- .........- ........- .........- .........- ........- ........- ........- ........- ........- ........- ........- .........- ........- ........- ........- .......- ........- .......- .......- .......- ........- ........- ........- .......- ........- ........- ........- ........- ........- ........- ........- .........- ........- .........- .........- .........- ........- ........- ........- .........- ......- .........- ........- .........- ........- .........- ........- .........- .........- ........- .........- ........- ........- .......- ........- .......- ........- .........- .........- .........- .........- .........- ........- .........- .........- ........- ........- .........- ........- .........- ........- ........- .........- ........- .........- .........- ..- .- ........- ........- ........- .......- ........- .........- ........- ........- .......- ......- .......- ........- ........- ........- ......- .......- .......- .......- ......- ........- .......- ......- ......- ......- .......- .......- .......- .......- .......- .......- .......- .........- ........- .........- ........- ........- .........- .......- .......- ......- .......- .......- .....- ........- ........- .......- .......- ........- ........- .........- .......- .......- ..........- .......- ........- ........- ........- .......- ......- .......- .....- .....- .......- ........- .......- ......- ........- .........- .......- ......- .........- .......- .......- ........- ........- .....- ........- .........- .......- .......- ........- .......- .......- ........- .......- ........- .........- .........- .......- .......- .......- ......- ........- ........- .......- .......- ......- ......- ........- .......- .......- .......- .......- .........- ........- ........- ........- .........- .......- .......- .........- ........- .......- ........- .......- ........- .........- .- .......- ......- .........- ....- .......- .......- .......- ......- .......- ......- ......- .......- .......- .......- .......- .......- ......- ........- ........- ........- ........- ........- .........- ........- ........- .........- .......- .........- .........- ......- .........- .........- .........- .........- .........- .........- .........- ...- ....- .........- ........- .......- .......- .......- .......- .......- ......- .......- .......- .......- ......- .......- ......- .......- .........- ........- .......- ......- .......- .......- .......- ......- .......- .....- .......- ..........- ....- .....- ......- ......- .......- ......- .......- ........- .......- .....- .......- .......- .......- ......- ...- .......- ........- ......- .....- ......- ......- ........- .......- ......- ......- .......- .....- ....- .......- .......- .......- ........- .....- .....- ......- ......- ........- ......- ......- ........- .......- .......- ......- ......- ........- ......- .......- ......- ........- ......- .......- ......- ........- .......- .....- ........- ......- .....- ....- ......- ........- ........- ......- .....- ...- .....- .....- ......- .......- ......- ......- .......- ......- .....- ......- .........- ......- ........- .......- ........- ........- ........- ......- ......- .....- .......- ........- ......- .......- ......- ........- .......- ........- .........- ........- .........- .......- .......- .......- ........- ........- ........- ........- .....- ........- ......- ........- .......- ......- ......- .......- ......- ........- ......- ......- .......- ........- .......- ......- ..- ......- ......- .......- .......- ......- .....- .......- .......- .......- .....- .......- .......- .......- .......- .......- ......- ......- .......- ........- .....- ......- ...- ......- ......- .....- .......- .......- .......- ......- .....- ........- .....- .....- .......- .......- .......- .......- .......- ........- .......- .......- .......- .......- .......- ......- ......- .......- .......- ......- .......- ......- .......- .......- ...- .......- .......- .......- .......- ........- ......- .......- .....- .......- ......- .......- ......- ......- .......- ......- .......- ......- .........- ......- .......- .....- ........- ........- ........- ........- .........- .......- ........- .......- ........- .......- .........- ........- .........- ........- .........- .......- .........- ........- ........- .........- .........- .........- ........- ........- .........- .......- ..........- .........- ........- ........- .........- .........- .........- ..........- ........- ........- .........- ........- .........- .........- .........- .........- .........- .........- .........- ..........- .........- ..........- .........- ........- ..........- .........- .........- .........- ..........- .........- .........- .- ...- ..- .....- .- ..- ...- .......- done]- Building repository 'Update repository with updates from SUSE Linux Enterprise 15' cache [..- ..done]- Repository 'Main Update Repository' is up to date.- Repository 'Update Repository (Non-Oss)' is up to date.- Repository 'Non-OSS Repository' is up to date.- Repository 'Main Repository' is up to date.- All repositories have been refreshed.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[lwt.dev] synchronised (file:///src)[lwt_ppx.dev] synchronised (file:///src)[lwt_react.dev] synchronised (file:///src)[lwt_retry.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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[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-bigarray is already installed (current version is base).# To update the current shell environment, run: eval $(opam env)2026-01-27 08:40.46 ---> saved as "d1290865e34ab1ee07cc5b42496ee9ed05cf7e501350d7265fc986325c442f49"/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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2).[NOTE] Package ocaml is already installed (current version is 4.14.2).[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-bigarray is already installed (current version is base).The following actions will be performed:=== install 18 packages- install base v0.16.4- install base-bytes base- install cppo 1.8.0- install csexp 1.5.2- install dune 3.21.0- install dune-configurator 3.21.0- install ocaml-compiler-libs v0.12.4- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install ppx_derivers 1.2.1- install ppx_here v0.16.0- install ppx_let v0.16.0- install ppxlib 0.35.0- install react 1.2.2- install sexplib0 v0.16.0- install stdlib-shims 0.3.0- install topkg 1.1.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved base.v0.16.4 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved ocaml-compiler-libs.v0.12.4 (cached)-> retrieved ocamlbuild.0.16.1 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved ppx_here.v0.16.0 (cached)-> retrieved ppx_let.v0.16.0 (cached)-> retrieved react.1.2.2 (cached)-> retrieved sexplib0.v0.16.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved ppxlib.0.35.0 (cached)-> retrieved dune.3.21.0, dune-configurator.3.21.0 (cached)-> installed ocamlbuild.0.16.1-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed topkg.1.1.1-> installed react.1.2.2-> installed dune.3.21.0-> installed ppx_derivers.1.2.1-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed ocaml-compiler-libs.v0.12.4-> installed sexplib0.v0.16.0-> installed stdlib-shims.0.3.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.21.0-> installed base.v0.16.4-> installed ppxlib.0.35.0-> installed ppx_here.v0.16.0-> installed ppx_let.v0.16.0Done.# To update the current shell environment, run: eval $(opam env)2026-01-27 08:42.02 ---> saved as "70580ce7dff8f2210093d37ecca432ca4904c8501f08fce6ed95b003808289db"/src: (copy (src .) (dst /src))2026-01-27 08:42.03 ---> saved as "5b507e960ad1ad001cecc52372f945fd8c01509b885c753258b4433487baab48"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-29 -g -bin-annot -I src/core/.lwt.objs/byte -intf-suffix .ml -no-alias-deps -opaque -o src/core/.lwt.objs/byte/lwt_stream.cmo -c -impl src/core/lwt_stream.ml)File "src/core/lwt_stream.ml", line 46, characters 2-55:46 | mutable push_external : Obj.t [@ocaml.warning "-69"];^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning 69 [unused-field]: record field push_external is never read.(However, this field is used to build or mutate values.)File "src/core/lwt_stream.ml", line 67, characters 2-56:67 | mutable pushb_external : Obj.t [@ocaml.warning "-69"];^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning 69 [unused-field]: record field pushb_external is never read.(However, this field is used to build or mutate values.)(cd _build/default && /home/opam/.opam/4.14/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-29 -g -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -intf-suffix .ml -no-alias-deps -opaque -o src/core/.lwt.objs/native/lwt_stream.cmx -c -impl src/core/lwt_stream.ml)File "src/core/lwt_stream.ml", line 46, characters 2-55:46 | mutable push_external : Obj.t [@ocaml.warning "-69"];^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning 69 [unused-field]: record field push_external is never read.(However, this field is used to build or mutate values.)File "src/core/lwt_stream.ml", line 67, characters 2-56:67 | mutable pushb_external : Obj.t [@ocaml.warning "-69"];^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning 69 [unused-field]: record field pushb_external is never read.(However, this field is used to build or mutate values.)(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_condition.cmo -c -impl test/core/test_lwt_condition.ml)File "test/core/test_lwt_condition.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_mutex.cmo -c -impl test/core/test_lwt_mutex.ml)File "test/core/test_lwt_mutex.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_mvar.cmo -c -impl test/core/test_lwt_mvar.ml)File "test/core/test_lwt_mvar.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_pool.cmo -c -impl test/core/test_lwt_pool.ml)File "test/core/test_lwt_pool.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_switch.cmo -c -impl test/core/test_lwt_switch.ml)File "test/core/test_lwt_switch.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_result.cmo -c -impl test/core/test_lwt_result.ml)File "test/core/test_lwt_result.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_sequence.cmo -c -impl test/core/test_lwt_sequence.ml)File "test/core/test_lwt_sequence.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_seq.cmo -c -impl test/core/test_lwt_seq.ml)File "test/core/test_lwt_seq.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_list.cmo -c -impl test/core/test_lwt_list.ml)File "test/core/test_lwt_list.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt_stream.cmo -c -impl test/core/test_lwt_stream.ml)File "test/core/test_lwt_stream.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Test_lwt.cmo -c -impl test/core/test_lwt.ml)File "test/core/test_lwt.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -w +A-40-42 -g -bin-annot -I test/core/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -open Dune__exe -o test/core/.main.eobjs/byte/dune__exe__Main.cmo -c -impl test/core/main.ml)File "test/core/main.ml", line 1:Warning 70 [missing-mli]: Cannot find interface file.(cd _build/default/test/retry && ./main.exe)Testing library 'retry'.................Ok. 14 tests ran, 0 tests skipped in 0.01 seconds(cd _build/default && /home/opam/.opam/4.14/bin/ocamlc.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -warn-error -22 -g -bin-annot -I test/ppx/.main.eobjs/byte -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -I test/.lwttester.objs/byte -no-alias-deps -opaque -o test/ppx/.main.eobjs/byte/dune__exe__Main.cmo -c -impl test/ppx/main.pp.ml)File "test/ppx/main.ml", line 9, characters 0-46:9 | let%lwt structure_let_result = Lwt.return_true^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning 22 [preprocessor]: let%lwt should not be used at the module item level.Replace let%lwt x = e by let x = Lwt_main.run (e)(cd _build/default && /home/opam/.opam/4.14/bin/ocamlopt.opt -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -warn-error -22 -g -I test/ppx/.main.eobjs/byte -I test/ppx/.main.eobjs/native -I /home/opam/.opam/4.14/lib/bytes -I /home/opam/.opam/4.14/lib/ocaml/threads -I /home/opam/.opam/4.14/lib/ocplib-endian -I /home/opam/.opam/4.14/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/core/.lwt.objs/native -I src/unix/.lwt_unix.objs/byte -I src/unix/.lwt_unix.objs/native -I test/.lwttester.objs/byte -I test/.lwttester.objs/native -intf-suffix .ml -no-alias-deps -opaque -o test/ppx/.main.eobjs/native/dune__exe__Main.cmx -c -impl test/ppx/main.pp.ml)File "test/ppx/main.ml", line 9, characters 0-46:9 | let%lwt structure_let_result = Lwt.return_true^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Warning 22 [preprocessor]: let%lwt should not be used at the module item level.Replace let%lwt x = e by let x = Lwt_main.run (e)(cd _build/default/test/core && ./main.exe)Testing library 'core'..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS..................................................................................................................................................Ok. 705 tests ran, 23 tests skipped in 0.24 seconds(cd _build/default/test/ppx && ./main.exe)Testing library 'ppx'....................Ok. 17 tests ran, 0 tests skipped in 1.20 seconds(cd _build/default/test/react && ./main.exe)Testing library 'react'..............Ok. 11 tests ran, 0 tests skipped in 4.50 seconds(cd _build/default/test/unix && ./main.exe)Testing library 'unix'........................................SSSSS..............................................................................................................SSSS...................................................................................Ok. 230 tests ran, 9 tests skipped in 6.29 seconds2026-01-27 08:42.14 ---> saved as "d6dda954ba24d3067376f42404ee888a917fbf87c9a39e563d4575548c43201a"Job succeeded2026-01-27 08:42.14: Job succeeded