2026-01-15 14:57.32: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/ppx-type-wrong-1085 (af90690273c0850036e5aa5abfe66e3ffd72d069) (linux-x86_64:ubuntu-22.04-5.4_opam-2.5) Base: ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "ppx-type-wrong-1085" && cd "lwt" && git reset --hard af906902 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b # ubuntu-22.04-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 lwt_runtime_events.opam lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam ./ RUN opam pin add -yn lwt_runtime_events.dev './' && \ 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_direct.dev './' && \ opam pin add -yn lwt.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 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_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.17.0 ppx_let.v0.17.1 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_runtime_events.dev lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt_direct.dev lwt.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 2026-01-15 14:57.32: Using cache hint "ocsigen/lwt-ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b-ubuntu-22.04-5.4_opam-2.5-e1b69c445173ce854016c694311f718b" 2026-01-15 14:57.32: Using OBuilder spec: ((from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b) (comment ubuntu-22.04-5.4_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (workdir /src) (run (shell "sudo chown opam /src")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src lwt_runtime_events.opam lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam) (dst ./)) (run (network host) (shell "opam pin add -yn lwt_runtime_events.dev './' && \ \nopam 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_direct.dev './' && \ \nopam pin add -yn lwt.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 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_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.17.0 ppx_let.v0.17.1 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_runtime_events.dev lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt_direct.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")) ) 2026-01-15 14:57.32: Waiting for resource in pool OCluster 2026-01-15 14:57.32: Waiting for worker… 2026-01-15 14:57.33: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at af9069027 fix ppx: correctly move constraint in `let%lwt x : t = …` expressions (from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b) Unable to find image 'ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b' locally docker.io/ocaml/opam@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b: Pulling from ocaml/opam 7e49dc6156b0: Already exists 277489037e33: Already exists 5536f9b95256: Already exists 2c6e079b8a8a: Already exists 16d46a509c90: Already exists 18d81e642e16: Already exists ee1d4656e61f: Already exists 8f0f8941159e: Already exists 3f2ff2430a7f: Already exists 337d7dec713d: Already exists e733f12b410c: Already exists 617bf2ecaf35: Already exists b8326fc41276: Already exists ef20ef18c9d1: Already exists 586c22805e9c: Already exists 5bba78ae83f0: Already exists 58f27f7d4b76: Already exists 58f27f7d4b76: Already exists 4f4fb700ef54: Already exists 15d203cc0fcf: Already exists 15787f62e7bc: Already exists 7bde8086daf3: Already exists 4f4fb700ef54: Already exists c8795f0be74f: Already exists bf1686ddcf2f: Already exists 6190e5884020: Already exists d3ef051d940f: Already exists 74516cbf13d5: Already exists 6daf3235d47b: Already exists 828602f5a7e1: Already exists 1c2200cbac34: Already exists ddcac09cadd2: Already exists 96becae306e0: Already exists e391052d0a0a: Already exists 092f96d7da41: Already exists 624752d22710: Already exists 26503a58709c: Already exists 5164467c0bfc: Already exists 7f9d35f4e99c: Already exists 3147a6c41603: Already exists 872643ed9c97: Already exists e758a0505734: Already exists 6a9372ca22fd: Already exists 37e65f83e45a: Already exists d2cf42473256: Already exists e799ed481193: Already exists 946bbc7fcb10: Already exists e1776c4acb7c: Already exists Digest: sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b Status: Downloaded newer image for ocaml/opam@sha256:8642c3c070583e67b39212354ae7394c38e0659f51bffa033b951a0b3ce9d96b 2026-01-15 14:57.33 ---> using "7f91e2bb83d6d357ae6dfb3920265348795501d90daa6df00769b7d07a85dd88" from cache /: (comment ubuntu-22.04-5.4_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-01-15 14:57.33 ---> using "733fffa2c21969652c96194eb10d6585eef57dda7b9c3b226a86aec60c32c422" 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 2026-01-15 14:57.33 ---> using "1293137d25163c04f5ac86753be6c9c6972f7504d817f4d64cdae5383c667ca0" 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 2026-01-15 14:57.33 ---> using "8f40110b7bdfb6e22377d877f46dd136ec6c8d9473fc07eb271dd2fd15bcd996" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-15 14:57.33 ---> using "c09213f8de777c95bdfb899c623c736854b758366169d6edcc070f154230747c" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ee48e882f0..513e85b5a9 master -> origin/master c65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls <><> 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) 2026-01-15 14:57.33 ---> using "8dab240ca8f862f0a0dc168bb00819904c736605ad11e0c5b43a277cb61b32e6" from cache /src: (copy (src lwt_runtime_events.opam lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam) (dst ./)) 2026-01-15 14:57.34 ---> saved as "705fc2098eb43c585fccec013fbd25d05423572a7ee45d8ac49e62ca55421d7d" /src: (run (network host) (shell "opam pin add -yn lwt_runtime_events.dev './' && \ \nopam 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_direct.dev './' && \ \nopam pin add -yn lwt.dev './'")) [lwt_runtime_events.dev] synchronised (file:///src) lwt_runtime_events is now pinned to file:///src (version 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) [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__ppx_let_tests 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_direct.dev] synchronised (file:///src) lwt_direct is now pinned to file:///src (version dev) [lwt.dev] synchronised (file:///src) lwt is now pinned to file:///src (version dev) 2026-01-15 14:57.49 ---> saved as "1cf0283acf870160c06d627bcfeeb5c22f01de6d8bacf888eac94aa445dc8ae3" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-15 14:57.50 ---> saved as "d4954461c87325a0009407537b04d7e54945cbee1a7c9f68fa7323ff93ccb424" /src: (env DEPS "base.v0.17.3 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cppo.1.8.0 csexp.1.5.2 dune.3.20.2 dune-configurator.3.20.2 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_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.17.0 ppx_let.v0.17.1 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_runtime_events.dev lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt_direct.dev lwt.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB] - Hit:2 http://archive.ubuntu.com/ubuntu jammy InRelease - Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB] - Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB] - Get:5 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [6205 kB] - Get:6 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [3968 kB] - Get:7 http://archive.ubuntu.com/ubuntu jammy-updates/multiverse amd64 Packages [69.2 kB] - Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [6411 kB] - Get:9 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [3637 kB] - Get:10 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1600 kB] - Get:11 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64 Packages [83.9 kB] - Get:12 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64 Packages [37.2 kB] - Get:13 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1289 kB] - Fetched 23.7 MB in 2s (10.1 MB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [lwt.dev] synchronised (file:///src) [lwt_direct.dev] synchronised (file:///src) [lwt_ppx.dev] synchronised (file:///src) [lwt_ppx__ppx_let_tests.dev] synchronised (file:///src) [lwt_react.dev] synchronised (file:///src) [lwt_retry.dev] synchronised (file:///src) [lwt_runtime_events.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) 2026-01-15 14:58.05 ---> saved as "d63ccd5bb8c0c23d932cfb165f0a4e85321003d94db927468f4545af780f482a" /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 19 packages - install base v0.17.3 - install base-bytes base - install cppo 1.8.0 - install csexp 1.5.2 - install dune 3.20.2 - install dune-configurator 3.20.2 - install ocaml-compiler-libs v0.17.0 - install ocaml_intrinsics_kernel v0.17.1 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install ppx_derivers 1.2.1 - install ppx_here v0.17.0 - install ppx_let v0.17.1 - 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 base.v0.17.3 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved ocaml-compiler-libs.v0.17.0 (cached) -> retrieved ocaml_intrinsics_kernel.v0.17.1 (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.v0.17.0 (cached) -> retrieved ppx_let.v0.17.1 (cached) -> retrieved react.1.2.2 (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 dune.3.20.2, dune-configurator.3.20.2 (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.3.20.2 -> installed ppx_derivers.1.2.1 -> installed csexp.1.5.2 -> installed ocaml-compiler-libs.v0.17.0 -> installed cppo.1.8.0 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed sexplib0.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.20.2 -> installed base.v0.17.3 -> installed ppxlib.0.37.0 -> installed ppx_here.v0.17.0 -> installed ppx_let.v0.17.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-15 14:59.17 ---> saved as "a02e286174e56c7cf67ba62735be9fd5df688befb3a8164eaee326140be0c982" /src: (copy (src .) (dst /src)) 2026-01-15 14:59.17 ---> saved as "da5429c42dad5d10262dc9698a5073706c506609ecf233d62c0682043061c476" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/test/direct && ./main.exe) Testing library 'lwt_direct'... ............. Ok. 13 tests ran, 0 tests skipped in 0.00 seconds (cd _build/default/test/retry && ./main.exe) Testing library 'retry'... .............. Ok. 14 tests ran, 0 tests skipped in 0.01 seconds (cd _build/default/test/core && ./main.exe) Testing library 'core'... ...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS.................................................................................................................................................. Ok. 705 tests ran, 23 tests skipped in 0.23 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 4.51 seconds (cd _build/default/test/unix && ./main.exe) Testing library 'unix'... .................................SSSSS..............................................................................................................SSSS................................................................................... Ok. 226 tests ran, 9 tests skipped in 6.30 seconds 2026-01-15 14:59.26 ---> saved as "8dd92e19c4bd73cfd46126f3e1a555dc21a15bf317bc2db18d7650acd4aa0c63" Job succeeded 2026-01-15 14:59.26: Job succeeded