2026-01-27 10:55.33: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/deferred-wakeup (b20ad40423428915603c63bf36ea9f57e79c53a6) (linux-x86_64:opensuse-16.0-4.14_opam-2.5) Base: ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "deferred-wakeup" && cd "lwt" && git reset --hard b20ad404 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d # opensuse-16.0-4.14_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_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 bisect_ppx.2.8.3 cmdliner.1.3.0 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 $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 2026-01-27 10:55.33: Using cache hint "ocsigen/lwt-ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d-opensuse-16.0-4.14_opam-2.5-177da2e5de974ccd97156e2e01baa047" 2026-01-27 10:55.33: Using OBuilder spec: ((from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d) (comment opensuse-16.0-4.14_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 bisect_ppx.2.8.3 cmdliner.1.3.0 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 10:55.33: Waiting for resource in pool OCluster 2026-01-27 10:55.34: Waiting for worker… 2026-01-27 10:55.34: Got resource from pool OCluster Building on odawa.caelum.ci.dev HEAD is now at 141d187d1 lwt_unix_stubs.c: fix races reported by TSan HEAD is now at b20ad4042 rehaul (from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d) Unable to find image 'ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d' locally docker.io/ocaml/opam@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d: Pulling from ocaml/opam 64cfa2a65095: Already exists 1edcfb1efe19: Already exists 3ddbff1fae48: Already exists 6f97b42e121d: Already exists 35edc2941e66: Already exists 664494e6aa3b: Already exists 6e72e374834b: Already exists 9897d53e41d9: Already exists 5955f0d634c5: Already exists 39569ccf3df4: Already exists 3835c4318084: Already exists 549825d0ab03: Already exists 6e7368d99114: Already exists cb6191f3eef1: Already exists 188d98a9d457: Already exists d034bf0e16e1: Already exists 8cb90b8f1fc2: Already exists 5fad6a4c52b5: Already exists debd84a910b3: Already exists 4f4fb700ef54: Already exists 152a68323944: Already exists 1f7f98a5f0d2: Already exists 667866023596: Already exists 474d64aaa83a: Already exists 81e9448f8d7d: Already exists 8f7471ae6f30: Already exists ba1c9d522099: Already exists 847d9b38068d: Already exists 6c1cb3b3dd7c: Already exists 30a81ee5e9b7: Already exists b395d300d073: Already exists 689e54a1bb6f: Already exists cfba20ff1fbb: Already exists d6503c133859: Already exists 3dcf084af38f: Already exists 22043404df4c: Already exists 780f53a6c5cb: Already exists 38b848127537: Already exists 678df0384501: Pulling fs layer 2b45a754de38: Pulling fs layer e82659185a57: Pulling fs layer 81387f758210: Pulling fs layer 1f1671d927c5: Pulling fs layer 1f1671d927c5: Waiting 81387f758210: Waiting e82659185a57: Verifying Checksum e82659185a57: Download complete 81387f758210: Verifying Checksum 81387f758210: Download complete 1f1671d927c5: Verifying Checksum 1f1671d927c5: Download complete 2b45a754de38: Verifying Checksum 2b45a754de38: Download complete 678df0384501: Verifying Checksum 678df0384501: Download complete 678df0384501: Pull complete 2b45a754de38: Pull complete e82659185a57: Pull complete 81387f758210: Pull complete 1f1671d927c5: Pull complete Digest: sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d Status: Downloaded newer image for ocaml/opam@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d 2026-01-27 10:57.23 ---> saved as "13bd82803a57ea5ff694d8190a33d1e2fac93afbb5eee5733e0e571712600609" /: (comment opensuse-16.0-4.14_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 10:57.23 ---> saved as "7ae44f66e9ffc836452f26b23e5cdaa30291d0c44d82a988efbe48df1a420377" /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 ><><><><><><><><><><><><><><><><><><><><><><><><><><> [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] Initialised 2026-01-27 10:57.53 ---> saved as "63b30f65c9fc7ff00c3e31be976cf13d6647410b2ed0730892d9152c35f077fe" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-87-generic The OCaml toplevel, version 4.14.2 2.5.0 2026-01-27 10:57.53 ---> saved as "05f04870a3915a32d34a8c855e26e216f4484f6e521a7e1ce30a14b5860d4e09" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-27 10:57.53 ---> saved as "b5d695a82e41010b51b5cb3ded806f34aaa704353328d4b3808f7be1402ed3d7" /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 a6b2f19780..e4bc1b0e55 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 [ocaml-patches-overlay] synchronised from git+https://github.com/ocurrent/opam-repository#patches The following actions will be performed: === recompile 2 packages - recompile ocaml 4.14.2 [upstream or system changes] - recompile opam-depext 1.2.3 [uses ocaml] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved opam-depext.1.2.3 (cached) -> removed opam-depext.1.2.3 -> removed ocaml.4.14.2 -> installed ocaml.4.14.2 -> installed opam-depext.1.2.3 Done. <><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><> => opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead # To update the current shell environment, run: eval $(opam env) 2026-01-27 10:58.38 ---> saved as "1e8e1773632de3810f3f1bc131cf43321781d528a4fe7320f73756ab1766bab0" /src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx.opam lwt.opam) (dst ./)) 2026-01-27 10:58.38 ---> saved as "7228e831122bf04065aba3ee2633895af521b43865e7bb6497764a5e998c9fb0" /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 10:58.41 ---> saved as "953d7c2429725c4ce7f03e87129f8dd9d4e18a3753db9ff051105b89b2c6a80a" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-27 10:58.41 ---> saved as "e304d384a33575c7af3a8f1041013c9b66e6bdd19c38735f31333865fa8551d2" /src: (env DEPS "base.v0.16.4 base-bigarray.base base-bytes.base base-threads.base base-unix.base bisect_ppx.2.8.3 cmdliner.1.3.0 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" - Repository 'repo-openh264 (16.0)' is up to date. - Retrieving repository 'repo-oss (16.0)' metadata [.. - Looking for gpg keys in repository repo-oss (16.0). - gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key - .. - - Note: Received 1 new package signing key from repository "repo-oss (16.0)": - - Those additional keys are usually used to sign packages shipped by the repository. In order to - validate those packages upon download and installation the new keys will be imported into the rpm - database. - - New: - Key Fingerprint: F044 C2C5 07A1 262B 538A AADD 8A49 EB03 25DB 7AE0 - Key Name: openSUSE:Backports OBS Project <openSUSE:Backports@build.opensuse.org> - Key Algorithm: RSA 4096 - Key Created: Wed May 10 14:46:12 2023 - Key Expires: Sun May 9 14:46:12 2027 - Rpm Name: gpg-pubkey-25db7ae0-645bae34 - - The repository metadata introducing the new keys have been signed and validated by the trusted - key: - - Repository: repo-oss (16.0) - Key Fingerprint: AD48 5664 E901 B867 051A B15F 35A2 F86E 29B7 00A4 - Key Name: openSUSE Project Signing Key <opensuse@opensuse.org> - Key Algorithm: RSA 4096 - Key Created: Mon Jun 20 14:03:14 2022 - Key Expires: Fri Jun 19 14:03:14 2026 - Rpm Name: gpg-pubkey-29b700a4-62b07e22 - - . - ... - .......... - ......... - ...... - ...done] - Building repository 'repo-oss (16.0)' cache [.. - ..done] - 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 10:59.00 ---> saved as "207b66b24096656635fa7ffe51bdaef1c0a587dc54d9a68d5d19ffe93d132206" /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 20 packages - install base v0.16.4 - install base-bytes base - install bisect_ppx 2.8.3 - install cmdliner 1.3.0 - 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 bisect_ppx.2.8.3 (cached) -> retrieved cmdliner.1.3.0 (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 cmdliner.1.3.0 -> 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 bisect_ppx.2.8.3 -> installed ppx_let.v0.16.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-27 10:59.40 ---> saved as "60ca2621fc491c169f4c4fd5991ecbac48a6c8fc78a8d668835f468a4d0079a0" /src: (copy (src .) (dst /src)) 2026-01-27 10:59.40 ---> saved as "cc08cbfc4121fcbd5829176bb2b4f545f4866ac2c072d5f180c8d1c3a1f10841" /src: (run (shell "opam exec -- dune build @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/ppx && ./main.exe) Testing library 'ppx'... ................ Ok. 16 tests ran, 0 tests skipped in 1.20 seconds File "test/react/dune", line 2, characters 7-11: 2 | (name main) ^^^^ (cd _build/default/test/react && ./main.exe) Testing library 'react'... F....... Failures in test suite 'lwt_event': Test 'to_stream' produced 'false' (cd _build/default/test/unix && ./main.exe) Testing library 'unix'... .....................................SSSSS..............................................................................................................SSSS................................................................................... Ok. 230 tests ran, 9 tests skipped in 6.29 seconds 2026-01-27 11:55.34: Cancelling: Timeout (60.0 minutes) Job cancelled 2026-01-27 11:55.34: Timeout (60.0 minutes)