2026-01-16 13:59.10: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/ppx-type-wrong-1085--592 (fd819c1e80599925be07d49d7361422f82d4e4bf) (linux-x86_64:ubuntu-25.10-4.14_opam-2.5)Base: ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ecOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocsigen/lwt.git" -b "ppx-type-wrong-1085--592" && cd "lwt" && git reset --hard fd819c1ecat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec# ubuntu-25.10-4.14_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__ppx_let_tests.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__ppx_let_tests.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-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 ppxlib.0.37.0 react.1.2.2 sexplib0.v0.17.0 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 --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-16 13:59.10: Using cache hint "ocsigen/lwt-ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec-ubuntu-25.10-4.14_opam-2.5-f80664a0fc43791440912ae83095cdb3"2026-01-16 13:59.10: Using OBuilder spec:((from ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec)(comment ubuntu-25.10-4.14_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__ppx_let_tests.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__ppx_let_tests.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-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 ppxlib.0.37.0 react.1.2.2 sexplib0.v0.17.0 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 --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build")))2026-01-16 13:59.10: Waiting for resource in pool OCluster2026-01-16 18:22.49: Waiting for worker…2026-01-16 18:26.09: Got resource from pool OClusterBuilding on toxis.caelum.ci.devAll commits already cachedHEAD is now at fd819c1e8 ppx: add test for #1085, add standalone ppx executable(from ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec)Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec' locallydocker.io/ocaml/opam@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec: Pulling from ocaml/opam16c195d4c5e9: Already existsea8d6f284f52: Already existsa590f1caf60c: Already exists95a0aba17fe6: Already exists24604fb30e30: Already existsbb7bc1b8d84e: Already existsb52bcdd4741a: Already exists8c668707afec: Already existsc4692dd3f67a: Already exists5eaf747da0d4: Already existsdacd9c5006da: Already existsf4da334a65ba: Already existsac7668965f73: Already exists34d1263af20a: Already existsa86b2aea8581: Already exists32d4d471ed96: Already existsb77ed416f3dc: Already existsb77ed416f3dc: Already existsd1055a5d5025: Already exists202c9ab5b2cc: Already exists5c7364b10079: Already existsf1b0581b7244: Already exists4f4fb700ef54: Already exists9fa3330063e0: Already exists2713ff50a5c7: Already exists42b31df89324: Already existscccb2a33229d: Already existsf9eb1b0ba386: Already existscfa1b801ea0b: Already exists731be0d7062d: Already exists75483806616d: Already exists61d580994fd0: Already exists369979efbe7c: Already exists3dcb2f554fbb: Already existse1eaa3dbc066: Already existsbb45476b0f8e: Already exists530fce115371: Already existsfb7cddf53135: Already existsfd3c4ec2a132: Already exists809886565a24: Already existsb7adeb70e5d2: Already existseadd9f1803a3: Pulling fs layer0bebb82b5512: Pulling fs layer88ef2e8c2c2e: Pulling fs layerc0847e5b776d: Pulling fs layer6832235b99fe: Pulling fs layerc0847e5b776d: Waiting6832235b99fe: Waiting88ef2e8c2c2e: Verifying Checksum88ef2e8c2c2e: Download completec0847e5b776d: Verifying Checksumc0847e5b776d: Download complete6832235b99fe: Verifying Checksum6832235b99fe: Download completeeadd9f1803a3: Verifying Checksumeadd9f1803a3: Download complete0bebb82b5512: Verifying Checksum0bebb82b5512: Download completeeadd9f1803a3: Pull complete0bebb82b5512: Pull complete88ef2e8c2c2e: Pull completec0847e5b776d: Pull complete6832235b99fe: Pull completeDigest: sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ecStatus: Downloaded newer image for ocaml/opam@sha256:f196fdde96e2d2ab463174a3fd909d35d2174726cd99ad8d090aae5fc21672ec2026-01-16 18:26.09 ---> using "75df70da953d671714cf7970335f8c27515d2f02b005faf9feb62dfc11340dab" from cache/: (comment ubuntu-25.10-4.14_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"))2026-01-16 18:26.09 ---> using "0868f6818629c9b1fa57e9f1c50087daaf981ede9b3ef45b1cac6a45ce3b4ca0" 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.Continue? [Y/n] yThis 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.Format upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "ocaml-patches-overlay": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocurrent/opam-repository/': Could not resolve host: github.com"[default] Initialised2026-01-16 18:26.09 ---> using "89677c0f84fccc82a17b3a8527b0294b759518be030b5c5a65a2fc0031b0a85c" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-134-genericThe OCaml toplevel, version 4.14.22.5.02026-01-16 18:26.09 ---> using "296a891161693ac3543b75e3b7cd7f7cf6580366f514416736fdfe515b00ffd0" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-16 18:26.09 ---> using "fcaed8e9cab88da0ffb726db9094aacfbc5c85d997ff47780dee0c4350554c52" 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_HEADa6b2f19780..92679ed614 master -> origin/master873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patchesEverything 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)2026-01-16 18:26.09 ---> using "39defe92d95778e17f342e83d7489986e082573b183e1145409ad3d2115053ae" from cache/src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt.opam)(dst ./))2026-01-16 18:26.10 ---> saved as "84f22b6b0635930cdccb78b8ec024b8983ff664d9ba5ee27cf6eb78c3f9d820b"/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__ppx_let_tests.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)[NOTE] Package lwt_ppx__ppx_let_tests does not exist in opam repositories registered in the current switch.[lwt_ppx__ppx_let_tests.dev] synchronised (file:///src)lwt_ppx__ppx_let_tests is now pinned to file:///src (version dev)[WARNING] Failed checks on lwt_ppx__ppx_let_tests package definition from source at file:///src:warning 62: License doesn't adhere to the SPDX standard, see https://spdx.org/licenses/ : "NOTFORRELEASE"[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)2026-01-16 18:26.31 ---> saved as "f0956c6b1c2979309f5de610e30a52658ea7c96e7bbb2ea3e1da6754cb9639c1"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-16 18:26.31 ---> saved as "3b9d04d4ae073eb0b08fd6853a6c1b4bb262da796ba4548e0db7129afb9f18e5"/src: (env DEPS "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 ppxlib.0.37.0 react.1.2.2 sexplib0.v0.17.0 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 "apt-get" "update"- Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]- Get:2 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [114 kB]- Get:3 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [174 kB]- Get:4 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [120 kB]- Hit:5 http://archive.ubuntu.com/ubuntu questing InRelease- Get:6 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]- Get:7 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]- Get:8 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [169 kB]- Get:9 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [295 kB]- Fetched 1277 kB in 1s (2014 kB/s)- Reading package lists...-<><> 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)2026-01-16 18:27.15 ---> saved as "9531ba8c132c67e40675ca252fe08a432b3143c69745eecdfcf60514e0af967d"/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 15 packages- 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 ppxlib 0.37.0- install react 1.2.2- install sexplib0 v0.17.0- install stdlib-shims 0.3.0- install topkg 1.1.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> 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 dune.3.21.0, dune-configurator.3.21.0 (cached)-> retrieved ocamlfind.1.9.8 (cached)-> retrieved ocplib-endian.1.2 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved sexplib0.v0.17.0 (cached)-> retrieved react.1.2.2 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved ppxlib.0.37.0 (cached)-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed ocamlbuild.0.16.1-> installed topkg.1.1.1-> installed react.1.2.2-> installed dune.3.21.0-> installed ppx_derivers.1.2.1-> installed stdlib-shims.0.3.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed ocaml-compiler-libs.v0.12.4-> installed sexplib0.v0.17.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.21.0-> installed ppxlib.0.37.0Done.# To update the current shell environment, run: eval $(opam env)2026-01-16 18:29.55 ---> saved as "afc2428074d087295b94b7b1b2eaac8579fe55d8cffd2e75e6a3c528218d9629"/src: (copy (src .) (dst /src))2026-01-16 18:29.56 ---> saved as "ad7fcffd53cbacfbe59ab65567b3a352392634b5ede12f5576ec2ebf7817e522"/src: (run (shell "opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build"))(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@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -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 -intf-suffix .ml -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 169, characters 26-38:169 | let%lwt (_ : int) = Lwt.return 0 in^^^^^^^^^^^^Error: This expression has type int t but an expression was expected of typeint(cd _build/default && /home/opam/.opam/4.14/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 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 169, characters 26-38:169 | let%lwt (_ : int) = Lwt.return 0 in^^^^^^^^^^^^Error: This expression has type int t but an expression was expected of typeint(cd _build/default/test/core && ./main.exe)Testing library 'core'..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS..................................................................................................................................................Ok. 705 tests ran, 23 tests skipped in 0.43 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'........................................S...S....SSS..........................................SSS.................................................................................................S...............................................Ok. 230 tests ran, 9 tests skipped in 6.48 seconds"/usr/bin/env" "bash" "-c" "opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build" failed with exit status 12026-01-16 18:30.16: Job failed: Failed: Build failed