2026-01-21 10:50.11: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/expose-engine (51318906eed299691c89deadc6cbed6434bf05cd) (linux-x86_64:debian-13-4.14+flambda_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "expose-engine" && cd "lwt" && git reset --hard 51318906 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c # debian-13-4.14+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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && 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-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-compiler-libs.v0.12.4 ocaml-config.2 ocaml-variants.4.14.2+options 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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-01-21 10:50.11: Using cache hint "ocsigen/lwt-ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c-debian-13-4.14+flambda_opam-2.5-d748dbdc20241d152e659760d9ce6cca" 2026-01-21 10:50.11: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c) (comment debian-13-4.14+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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && 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-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-compiler-libs.v0.12.4 ocaml-config.2 ocaml-variants.4.14.2+options 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")) ) 2026-01-21 10:50.11: Waiting for resource in pool OCluster 2026-01-21 10:50.11: Waiting for worker… 2026-01-21 10:56.20: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at 51318906e engine set/id test: add conditionals to only test what can be (from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c) Unable to find image 'ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c' locally docker.io/ocaml/opam@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c: Pulling from ocaml/opam 281b80c799de: Already exists ce76feb86791: Already exists 7984eb0e5b45: Already exists 56c452a960b1: Already exists b85825bef00a: Already exists d6ff43dfb85c: Already exists 4197ec645389: Already exists 37cac33e41ff: Already exists 4cb993fb248e: Already exists ca442870f91f: Already exists b1d1a2fb5f4a: Already exists 0dea577b2801: Already exists cc10daaea4fd: Already exists 5f878cb1723a: Already exists 8968959fa983: Already exists 5bdd9b9ed0e3: Already exists 55661c5b388f: Already exists 55661c5b388f: Already exists 92d1dc6907bd: Already exists 7100b414728b: Already exists a6a54ddc9818: Already exists a920ad627810: Already exists 4f4fb700ef54: Already exists f7df7b6e19c0: Already exists cd713d66718c: Already exists 6ed45ab2af86: Already exists 40598b80a8fe: Already exists 983f7969ff00: Already exists 40ec09ee09bd: Already exists 76a0afa38cd9: Already exists 1d5a564d139a: Already exists 82883b85a4f0: Already exists 1d8458efd73b: Already exists 2d80a9fac9ac: Already exists 4d69ee6ae94b: Already exists ce8d28b713f1: Already exists 97580d938033: Already exists da5fa40e04f8: Already exists d7a499968f64: Already exists 28e5932c7c69: Already exists 81389c423fc3: Already exists 027a82db20e5: Already exists 1ff760d6a463: Already exists 9e772ec713ef: Already exists 248f75ebbf10: Already exists Digest: sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c Status: Downloaded newer image for ocaml/opam@sha256:0f5addb3f8e810ba59074e475a58b4ecf89f46ced78e858c1603121df4f06f2c 2026-01-21 10:56.21 ---> using "dbd4b250fbf3886ec8323013f0b3d31c7800871207d574e64c0336bac616ba8e" from cache /: (comment debian-13-4.14+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")) 2026-01-21 10:56.21 ---> using "733865845b46735c1da98849c01bc9c37b2a89975f1f7ed437d5969d37ee4a73" 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 2026-01-21 10:56.21 ---> using "a1ed3651e2e66a45a716e37b88fbcf04a738a9bfb1d8e9f64c8c4400fc526137" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 4.14.2 2.5.0 2026-01-21 10:56.21 ---> using "b3ebec6db7d54fc937da65521c2c1e546ea253189f54bf50f1a205b4f9041768" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-21 10:56.21 ---> using "7c3156721cfaa8bd6c0573a1fc87f85fb816c7549d4460e396b8934004119a7f" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 16d9c0eb87..10a02a697b master -> origin/master 873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything 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) 2026-01-21 10:56.21 ---> using "a6a32987a5ac266936c358620bf40557b01cd305d19808359cd242e1578515a4" 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 ./)) 2026-01-21 10:56.21 ---> using "ac7a669558741a0d0dc53eaa755710eaafa001a689f8d5961b9740aec68ce6b8" from cache /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) 2026-01-21 10:56.21 ---> using "763716e20d24f90b75f151d01b3bd06a5d42c8076f160a902ec5fd5f0c43037a" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-21 10:56.21 ---> using "b265ce7b5dc7679710ff3ba225c6e2a135c033c4ce3584d23a44e6532b7b016c" from cache /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-compiler-libs.v0.12.4 ocaml-config.2 ocaml-variants.4.14.2+options 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://deb.debian.org/debian trixie InRelease [140 kB] - Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB] - Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB] - Get:4 http://deb.debian.org/debian trixie/main amd64 Packages [9670 kB] - Get:5 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [96.3 kB] - Fetched 9998 kB in 2s (4269 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-variants is already installed (current version is 4.14.2+options). [NOTE] Package ocaml-config is already installed (current version is 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) 2026-01-21 10:56.21 ---> using "6ed4826f6040e1b99087c87903387d6e60a41de79bf1d0d0ba2c603d4b566c73" from cache /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 4.14.2+options). [NOTE] Package ocaml-config is already installed (current version is 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 ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved ppx_derivers.1.2.1 (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.3.21.0, dune-configurator.3.21.0 (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 sexplib0.v0.17.0 -> installed ocaml-compiler-libs.v0.12.4 -> installed cppo.1.8.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.21.0 -> installed ppxlib.0.37.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-21 10:56.21 ---> using "86bd3432c42ebd52be9f82fe002ac5c9745681748d458d1b70d7e6dc1ce5499c" from cache /src: (copy (src .) (dst /src)) 2026-01-21 10:56.21 ---> saved as "102a030d358d32e260550713455c4b0513bbaec8dd9149d38f94ded75157a89a" /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/test/core && ./main.exe) Testing library 'core'... ...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS.................................................................................................................................................. Ok. 705 tests ran, 23 tests skipped in 0.17 seconds (cd _build/default/test/ppx && ./main.exe) Testing library 'ppx'... ................ Ok. 16 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. 227 tests ran, 9 tests skipped in 6.30 seconds 2026-01-21 10:56.32 ---> saved as "2a7e162219492f78071534167d315d012ebb29a76ac0b87b4bfdabbd46704657" Job succeeded 2026-01-21 10:56.32: Job succeeded