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:(lower-bound)) Base: ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500 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-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500 # debian-13-4.08_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_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.v0.13.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base bisect_ppx.2.6.0 cmdliner.1.0.4 conf-m4.1 cppo.1.6.1 dune.2.7.1 dune-configurator.2.5.1 dune-private-libs.2.5.1 jbuilder.1.0+beta20.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.11.0 ocaml-config.1 ocaml-migrate-parsetree.2.1.0 ocamlbuild.0.14.0 ocamlfind.1.8.0 ocplib-endian.1.0 ppx_derivers.1.0 ppx_let.v0.13.0 ppxlib.0.21.1 react.1.2.2 sexplib0.v0.13.0 stdlib-shims.0.1.0 topkg.1.0.8" 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-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500-debian-13-4.08_opam-2.5-9cbb0aebc56603fb7ab9b6c6572af03e" 2026-01-27 10:55.33: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500) (comment debian-13-4.08_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_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.v0.13.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base bisect_ppx.2.6.0 cmdliner.1.0.4 conf-m4.1 cppo.1.6.1 dune.2.7.1 dune-configurator.2.5.1 dune-private-libs.2.5.1 jbuilder.1.0+beta20.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.11.0 ocaml-config.1 ocaml-migrate-parsetree.2.1.0 ocamlbuild.0.14.0 ocamlfind.1.8.0 ocplib-endian.1.0 ppx_derivers.1.0 ppx_let.v0.13.0 ppxlib.0.21.1 react.1.2.2 sexplib0.v0.13.0 stdlib-shims.0.1.0 topkg.1.0.8") (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 All commits already cached HEAD is now at b20ad4042 rehaul (from ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500) Unable to find image 'ocaml/opam:debian-13-ocaml-4.08@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500' locally docker.io/ocaml/opam@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500: Pulling from ocaml/opam 281b80c799de: Already exists 00fc4ac50d5e: Already exists 7dc48a314bea: Already exists 8f654937f9e3: Already exists 1240f6fbe8cc: Already exists f77f967230a1: Already exists 1b4ac3d9a8c2: Already exists 27b61414175d: Already exists 26fabf9b20e0: Already exists b4426e2c299b: Already exists 9c12df827e83: Already exists 9a5608646906: Already exists 2a83342677ae: Already exists 5cbaedd36b85: Already exists 750a9830ac77: Already exists 400560080670: Already exists bad13195b6fa: Already exists b51fe78b498e: Already exists 185ce27e889b: Already exists 8a483dc1e759: Already exists 4de9d6d54a13: Already exists 0c268a22c8a0: Already exists 4f4fb700ef54: Already exists e61881bc2621: Already exists c864a4af1ff0: Already exists 42d012f62ad9: Already exists ccb2ed78fa2e: Already exists 84c22434b2f6: Already exists 18c972827b32: Already exists 4c6dcdff9e80: Already exists 280bf9d33ca6: Already exists 51ce8c29753c: Already exists 5ac80663b9d2: Already exists 93f877c915e3: Already exists 8573ccc6bb69: Already exists d26192cd75ec: Already exists c7cce15b715e: Already exists c998ca7b5976: Already exists 3cd1b61d806b: Already exists 19a26ec5319e: Already exists b1f6813045f3: Already exists 7a2b7a29296d: Pulling fs layer 94a0ebb2d223: Pulling fs layer 1c7f29f6d19a: Pulling fs layer 1493b442f343: Pulling fs layer 7a2b7a29296d: Waiting 1c7f29f6d19a: Waiting 1493b442f343: Waiting 94a0ebb2d223: Waiting 94a0ebb2d223: Verifying Checksum 94a0ebb2d223: Download complete 1c7f29f6d19a: Verifying Checksum 1c7f29f6d19a: Download complete 1493b442f343: Verifying Checksum 1493b442f343: Download complete 7a2b7a29296d: Verifying Checksum 7a2b7a29296d: Download complete 7a2b7a29296d: Pull complete 94a0ebb2d223: Pull complete 1c7f29f6d19a: Pull complete 1493b442f343: Pull complete Digest: sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500 Status: Downloaded newer image for ocaml/opam@sha256:7cdc2a1943ac1462f548be7816c6d02f14e605659f225027208abe04795ea500 2026-01-27 10:55.35 ---> using "4c1f60dc0cc5644c6a4c05cf3315bdbf9cc478b70e443b212a1220385bab8bba" from cache /: (comment debian-13-4.08_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 "92dd4fc960da195cf8060e96ee0990af7318cc2673fac9df60b7fa438452988b" 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 [NOTE] The 'jobs' option was reset, its value was 71 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using: opam option jobs=71 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-01-27 10:55.35 ---> using "aabd502144a2d34da48b540ca016cfc216bbcccbb82cd54dc1dbcd4eab0c47c4" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-87-generic The OCaml toplevel, version 4.08.1 2.5.0 2026-01-27 10:55.35 ---> using "2f5f566f7e806252bb5a6fcdcbd8b7bc314413458c854c3595c5ff2a71173bde" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-27 10:55.35 ---> using "b86df431ec01f8f97d0c50a8e2cdd966fd4d0009325244e611106efcf1f13127" 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")) c65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls <><> 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 "2f4d00c82716dc08ebb0f469cea9af6fac04b5a1e7f12f6dabdb0b3e2e8d14a6" 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 "2ef88458b9a789b2d41521b2b0f64fb2c99c16a43ac069f526d13b1654686721" /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 10:55.40 ---> saved as "0cedf5f5d2f3c9ad2943f42fa3fe2c8e94740ee3af27595e70e6c08f52457b90" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-27 10:55.40 ---> saved as "ab9811882b27b64c5c216280d7eeb85be640fbe5ebdacb5a71fd6df3a5ab2588" /src: (env DEPS "base.v0.13.0 base-bigarray.base base-bytes.base base-threads.base base-unix.base bisect_ppx.2.6.0 cmdliner.1.0.4 conf-m4.1 cppo.1.6.1 dune.2.7.1 dune-configurator.2.5.1 dune-private-libs.2.5.1 jbuilder.1.0+beta20.1 ocaml.4.08.1 ocaml-base-compiler.4.08.1 ocaml-compiler-libs.v0.11.0 ocaml-config.1 ocaml-migrate-parsetree.2.1.0 ocamlbuild.0.14.0 ocamlfind.1.8.0 ocplib-endian.1.0 ppx_derivers.1.0 ppx_let.v0.13.0 ppxlib.0.21.1 react.1.2.2 sexplib0.v0.13.0 stdlib-shims.0.1.0 topkg.1.0.8") /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 11s (896 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 4.08.1). [NOTE] Package ocaml is already installed (current version is 4.08.1). [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 system packages will first need to be installed: m4 <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "m4" - Selecting previously unselected package m4. - (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20622 files and directories currently installed.) - Preparing to unpack .../archives/m4_1.4.19-8_amd64.deb ... - Unpacking m4 (1.4.19-8) ... - Setting up m4 (1.4.19-8) ... # To update the current shell environment, run: eval $(opam env) 2026-01-27 10:56.00 ---> saved as "f45b42dfa59aa6de58d03810503fa6ef9ec3d40b39b140fc3f3198173d78b50d" /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 4.08.1). [NOTE] Package ocaml is already installed (current version is 4.08.1). [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 22 packages - install base v0.13.0 - install base-bytes base - install bisect_ppx 2.6.0 - install cmdliner 1.0.4 - install conf-m4 1 - install cppo 1.6.1 - install dune 2.7.1 - install dune-configurator 2.5.1 - install dune-private-libs 2.5.1 - install jbuilder 1.0+beta20.1 (deprecated) - install ocaml-compiler-libs v0.11.0 - install ocaml-migrate-parsetree 2.1.0 (deprecated) - install ocamlbuild 0.14.0 - install ocamlfind 1.8.0 - install ocplib-endian 1.0 - install ppx_derivers 1.0 - install ppx_let v0.13.0 - install ppxlib 0.21.1 - install react 1.2.2 - install sexplib0 v0.13.0 - install stdlib-shims 0.1.0 - install topkg 1.0.8 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved base.v0.13.0 (cached) -> retrieved bisect_ppx.2.6.0 (cached) -> retrieved cmdliner.1.0.4 (cached) -> retrieved cppo.1.6.1 (cached) -> installed conf-m4.1 -> retrieved jbuilder.1.0+beta20.1 (cached) -> retrieved dune.2.7.1 (cached) -> retrieved dune-configurator.2.5.1, dune-private-libs.2.5.1 (cached) -> retrieved ocaml-compiler-libs.v0.11.0 (cached) -> retrieved ocaml-migrate-parsetree.2.1.0 (cached) -> retrieved ocamlbuild.0.14.0 (cached) -> retrieved ocamlfind.1.8.0 (cached) -> retrieved ocplib-endian.1.0 (cached) -> retrieved ppx_derivers.1.0 (cached) -> installed cmdliner.1.0.4 -> retrieved ppx_let.v0.13.0 (cached) -> retrieved ppxlib.0.21.1 (cached) -> retrieved react.1.2.2 (cached) -> retrieved sexplib0.v0.13.0 (cached) -> retrieved stdlib-shims.0.1.0 (cached) -> retrieved topkg.1.0.8 (cached) -> installed ocamlfind.1.8.0 -> installed base-bytes.base -> installed ocamlbuild.0.14.0 -> installed dune.2.7.1 -> installed stdlib-shims.0.1.0 -> installed sexplib0.v0.13.0 -> installed jbuilder.1.0+beta20.1 -> installed ppx_derivers.1.0 -> installed cppo.1.6.1 -> installed ocaml-compiler-libs.v0.11.0 -> installed ocaml-migrate-parsetree.2.1.0 -> installed topkg.1.0.8 -> installed dune-private-libs.2.5.1 -> installed react.1.2.2 -> installed dune-configurator.2.5.1 -> installed ocplib-endian.1.0 -> installed base.v0.13.0 -> installed ppxlib.0.21.1 -> installed ppx_let.v0.13.0 -> installed bisect_ppx.2.6.0 Done. <><> ocaml-migrate-parsetree.2.1.0 installed successfully <><><><><><><><><><><> => Note: This package is deprecated. <><> jbuilder.1.0+beta20.1 installed successfully <><><><><><><><><><><><><><><> => Note: This package is deprecated. # To update the current shell environment, run: eval $(opam env) 2026-01-27 10:56.27 ---> saved as "48c641c11a6874c8dc507bc32febbe1aea9737411ff24b78cdd59509beb74ff6" /src: (copy (src .) (dst /src)) 2026-01-27 10:56.27 ---> saved as "6ebee9623b831bdff3931c9c8611f3216fca66cc5e852b02e7a38c9441ffc4a6" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "/home/opam/.opam/4.08/lib/ocaml-compiler-libs/bytecomp/ocaml-compiler-libs.bytecomp.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.08/lib/ocaml-compiler-libs/common/ocaml-compiler-libs.common.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.08/lib/ocaml-compiler-libs/shadow/ocaml-compiler-libs.shadow.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.08/lib/ocaml-compiler-libs/toplevel/ocaml-compiler-libs.toplevel.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. File "/home/opam/.opam/4.08/lib/ppx_derivers/ppx_derivers.dune", line 1, characters 0-0: Warning: .dune files are ignored since 2.0. Reinstall the library with dune >= 2.0 to get rid of this warning and enable support for the subsystem this library provides. main alias test/retry/runtest Testing library 'retry'... .............. Ok. 14 tests ran, 0 tests skipped in 0.01 seconds main alias test/ppx/runtest Testing library 'ppx'... ................ Ok. 16 tests ran, 0 tests skipped in 1.20 seconds main alias test/react/runtest (exit 1) (cd _build/default/test/react && ./main.exe) Testing library 'react'... F....... Failures in test suite 'lwt_event': Test 'to_stream' produced 'false' main alias test/unix/runtest Testing library 'unix'... .....................................SSSSS..............................................................................................................SSSS................................................................................... Ok. 230 tests ran, 9 tests skipped in 6.28 seconds 2026-01-27 11:55.34: Cancelling: Timeout (60.0 minutes) Job cancelled 2026-01-27 11:55.34: Timeout (60.0 minutes)