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:debian-13-4.10_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.10@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1 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:debian-13-ocaml-4.10@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1 # debian-13-4.10_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.v0.15.1 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.4.10.2 ocaml-base-compiler.4.10.2 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.15.0 ppx_let.v0.15.0 ppxlib.0.35.0 react.1.2.2 sexplib0.v0.15.1 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:debian-13-ocaml-4.10@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1-debian-13-4.10_opam-2.5-32fb350f8b59e09c6c79032b24f37e8b" 2026-01-27 10:55.33: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.10@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1) (comment debian-13-4.10_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.v0.15.1 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.4.10.2 ocaml-base-compiler.4.10.2 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.15.0 ppx_let.v0.15.0 ppxlib.0.35.0 react.1.2.2 sexplib0.v0.15.1 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 clete All commits already cached HEAD is now at b20ad4042 rehaul (from ocaml/opam:debian-13-ocaml-4.10@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1) Unable to find image 'ocaml/opam:debian-13-ocaml-4.10@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1' locally docker.io/ocaml/opam@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1: Pulling from ocaml/opam 281b80c799de: Already exists 00fc4ac50d5e: Pulling fs layer 7dc48a314bea: Pulling fs layer 8f654937f9e3: Pulling fs layer 1240f6fbe8cc: Pulling fs layer f77f967230a1: Pulling fs layer 00fc4ac50d5e: Waiting 7dc48a314bea: Waiting 1b4ac3d9a8c2: Pulling fs layer 8f654937f9e3: Waiting f77f967230a1: Waiting 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6f9b332b9d5d: Waiting b723447c8005: Waiting 00fc4ac50d5e: Verifying Checksum 00fc4ac50d5e: Download complete 00fc4ac50d5e: Pull complete 7dc48a314bea: Pull complete 8f654937f9e3: Verifying Checksum 8f654937f9e3: Download complete 1240f6fbe8cc: Download complete 8f654937f9e3: Pull complete 1240f6fbe8cc: Pull complete f77f967230a1: Verifying Checksum f77f967230a1: Download complete 1b4ac3d9a8c2: Download complete 26fabf9b20e0: Verifying Checksum 26fabf9b20e0: Download complete 27b61414175d: Verifying Checksum 27b61414175d: Download complete b4426e2c299b: Verifying Checksum b4426e2c299b: Download complete 9c12df827e83: Verifying Checksum 9c12df827e83: Download complete 2a83342677ae: Verifying Checksum 2a83342677ae: Download complete 9a5608646906: Download complete 5cbaedd36b85: Verifying Checksum 5cbaedd36b85: Download complete 750a9830ac77: Verifying Checksum 750a9830ac77: Download complete 400560080670: Download complete bad13195b6fa: Download complete b51fe78b498e: Verifying Checksum 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51ce8c29753c: Pull complete 5ac80663b9d2: Pull complete 93f877c915e3: Pull complete 8573ccc6bb69: Pull complete d26192cd75ec: Download complete d26192cd75ec: Pull complete c7cce15b715e: Pull complete c998ca7b5976: Pull complete 3cd1b61d806b: Pull complete 19a26ec5319e: Pull complete b1f6813045f3: Pull complete e4530c29a017: Verifying Checksum e4530c29a017: Download complete 6f9b332b9d5d: Verifying Checksum 6f9b332b9d5d: Download complete 7286621e364d: Verifying Checksum 7286621e364d: Download complete b723447c8005: Download complete e4530c29a017: Pull complete 6f9b332b9d5d: Pull complete 7286621e364d: Pull complete b723447c8005: Pull complete Digest: sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1 Status: Downloaded newer image for ocaml/opam@sha256:597fb96b266af44303bc2542efa9ce215cc5c78448f47fd55d4ff9301e5ed3a1 2026-01-27 10:55.35 ---> using "f1a758ce67dc4f3774a91923c6c0db44b856fe54e2c90d130ddaac5327ea60f0" from cache /: (comment debian-13-4.10_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 10:55.35 ---> using "814a99565c46d3745df80e50d12df4bc396b75a056fddfd77ca3694ec0492fe2" 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 2026-01-27 10:55.35 ---> using "73074a07cac9828a37a7c5a2decb181479d67e6c1f0e786e11817ebac813f5a0" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-90-generic The OCaml toplevel, version 4.10.2 2.5.0 2026-01-27 10:55.35 ---> using "16ba8cc6ba679fd6998161729b168675bd9fcc5448e5613e317032cc7c3f8e04" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-27 10:55.35 ---> using "ac509850b0a0ff6124b826a182c6c4a2db8340610c6201e8eac31d2ccd31a560" 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 a6b2f19780..da10f1e072 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) 2026-01-27 10:55.35 ---> using "69b13a67c39c61b43d566495e899ab448a739e6009ef6739a3161b3346279adb" from cache /src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx.opam lwt.opam) (dst ./)) 2026-01-27 10:55.35 ---> saved as "36f9f2c141105511f0e6d97873817b487d54fa1d9535549b2938cc2e351aa8cb" /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 10:55.41 ---> saved as "d5406469af4a718c680e4ebf82dc285f4986ca0a4639741b275253ecd0a78f68" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-27 10:55.41 ---> saved as "29f7a069e5410f0e26aa9bb1f98c374632898699885058d434ec09516af66872" /src: (env DEPS "base.v0.15.1 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.4.10.2 ocaml-base-compiler.4.10.2 ocaml-compiler-libs.v0.12.4 ocaml-config.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 ppx_derivers.1.2.1 ppx_here.v0.15.0 ppx_let.v0.15.0 ppxlib.0.35.0 react.1.2.2 sexplib0.v0.15.1 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 [97.9 kB] - Fetched 9999 kB in 12s (861 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-config is already installed (current version is 1). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.10.2). [NOTE] Package ocaml is already installed (current version is 4.10.2). [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 10:56.02 ---> saved as "f3416460371d9a3da8c6e9fe0caf99f30c42e6ec226fe8529414b6ad4e87c27d" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-config is already installed (current version is 1). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.10.2). [NOTE] Package ocaml is already installed (current version is 4.10.2). [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 v0.15.1 - 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 v0.15.0 - install ppx_let v0.15.0 - install ppxlib 0.35.0 - install react 1.2.2 - install sexplib0 v0.15.1 - install stdlib-shims 0.3.0 - install topkg 1.1.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved base.v0.15.1 (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.v0.15.0 (cached) -> retrieved ppxlib.0.35.0 (cached) -> retrieved ppx_let.v0.15.0 (https://opam.ocaml.org/cache) -> retrieved sexplib0.v0.15.1 (cached) -> retrieved react.1.2.2 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (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.v0.15.1 -> installed stdlib-shims.0.3.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.21.0 -> installed base.v0.15.1 -> installed ppxlib.0.35.0 -> installed ppx_here.v0.15.0 -> installed bisect_ppx.2.8.3 -> installed ppx_let.v0.15.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-27 10:56.57 ---> saved as "b6eb78474640fbc11ffa90d09b4e4c91a7323d4fa4e756116e3375651b50f6e7" /src: (copy (src .) (dst /src)) 2026-01-27 10:56.57 ---> saved as "7b1c78efd859d62d088d280db4272da9e8b1e004c5407fb853b9fada9b18dfa7" /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 6.31 seconds 2026-01-27 11:55.34: Cancelling: Timeout (60.0 minutes) Job cancelled 2026-01-27 11:55.34: Timeout (60.0 minutes)