2025-11-21 08:53.26: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/pull/1080/head (2e8bec91b26e46d16f1d2c715f92c2fbd15f5025) (linux-x86_64:ubuntu-25.10-5.4_opam-2.4)Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318ddOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocsigen/lwt.git" && cd "lwt" && git fetch origin "refs/pull/1080/head" && git reset --hard 2e8bec91cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd# ubuntu-25.10-5.4_opam-2.4USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 1ec0eeb78dfedb9d754ae7abb8baed71c715f786 || git fetch origin master) && git reset -q --hard 1ec0eeb78dfedb9d754ae7abb8baed71c715f786 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 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_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 domain_shims.0.1.0 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=2.4 --depext-only -y lwt_retry.dev lwt_react.dev lwt_ppx__ppx_let_tests.dev lwt_ppx.dev lwt_direct.dev lwt.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2025-11-21 08:53.26: Using cache hint "ocsigen/lwt-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd-ubuntu-25.10-5.4_opam-2.4-4bb7314d631d4d481fc0ca8864d05ab2"2025-11-21 08:53.26: Using OBuilder spec:((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd)(comment ubuntu-25.10-5.4_opam-2.4)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (shell "sudo ln -f /usr/bin/opam-2.4 /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 1ec0eeb78dfedb9d754ae7abb8baed71c715f786 || git fetch origin master) && git reset -q --hard 1ec0eeb78dfedb9d754ae7abb8baed71c715f786 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src 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_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 domain_shims.0.1.0 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=2.4 --depext-only -y 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")))2025-11-21 08:53.26: Waiting for resource in pool OCluster2025-11-21 10:36.34: Waiting for worker…2025-11-21 10:39.50: Got resource from pool OClusterBuilding on cleteAll commits already cachedHEAD is now at 2e8bec91b Add SEGV testcase(from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd)2025-11-21 10:39.51 ---> using "7ce17c267a86e0a70384cef463c12263b6057c7887bf91e8682003fa7f1f4cae" from cache/: (comment ubuntu-25.10-5.4_opam-2.4)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))2025-11-21 10:39.51 ---> using "62ff11eeca3e98b6d42a3987a1596eab3f1bd938061e02bbf513c62edbcc959e" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2025-11-21 10:39.51 ---> using "9e37b16a9f48a5dada7fa95946e927fa1493f4176c615bd0230f84d5b0f21b35" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-84-genericThe OCaml toplevel, version 5.4.02.4.12025-11-21 10:39.51 ---> using "fca952ef4ba6f6309827ff592e6a2c8a4414959da64a250e4c1e961997483c42" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2025-11-21 10:39.51 ---> using "6bcdcfcce238acca0a55f8d5d2ee40b15fcf4ce28c61c6262f7b7ead8db42b7d" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 1ec0eeb78dfedb9d754ae7abb8baed71c715f786 || git fetch origin master) && git reset -q --hard 1ec0eeb78dfedb9d754ae7abb8baed71c715f786 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD2ec6d6cc92..ee3428377a master -> origin/master1ec0eeb78d Merge pull request #28897 from dra27/ocamlfind-msys2-cygwin<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryAlready up-to-date.Nothing to do.# To update the current shell environment, run: eval $(opam env)2025-11-21 10:39.51 ---> using "7fcca3aff2bbf809cc87f559e13e530da3684c567eb9387966418af49e4a1216" from cache/src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam)(dst ./))2025-11-21 10:39.52 ---> saved as "8b9ee403d9ec88d35978cb937c58567a238d32431a146fc8330fe5716ac7245a"/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__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_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)2025-11-21 10:40.11 ---> saved as "80aea066f3623822c809c7690629535b41e1799f51201ca0843799132e16abc3"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2025-11-21 10:40.11 ---> saved as "f9a12e3d459f14261e2254c31350c36a814a66e63b28b921c459b5d1e088417c"/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 domain_shims.0.1.0 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=2.4 --depext-only -y 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"- Hit:1 http://archive.ubuntu.com/ubuntu questing InRelease- Get:2 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]- Get:3 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]- Get:4 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]- Get:5 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [75.1 kB]- Get:6 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [159 kB]- Get:7 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [82.2 kB]- Get:8 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [49.6 kB]- Fetched 770 kB in 0s (2523 kB/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_react.dev] synchronised (file:///src)[lwt_ppx__ppx_let_tests.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 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).2025-11-21 10:40.35 ---> saved as "3f808503f577c2cf3d09efd71b494d7e6ecdfe2af70e4cc5d4242d7b051bcdd3"/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 20 packages- install base v0.17.3- install base-bytes base- install cppo 1.8.0- install csexp 1.5.2- install domain_shims 0.1.0- 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 domain_shims.0.1.0 (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 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.3.20.2-> installed domain_shims.0.1.0-> installed ppx_derivers.1.2.1-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed ocaml_intrinsics_kernel.v0.17.1-> installed sexplib0.v0.17.0-> installed stdlib-shims.0.3.0-> installed ocaml-compiler-libs.v0.17.0-> 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.v0.17.1Done.# To update the current shell environment, run: eval $(opam env)2025-11-21 10:43.22 ---> saved as "0a863cc2ca77ee316beaa0c81a929664151f0bd5b1c5a9b11c6ed79ec5d6d4fd"/src: (copy (src .) (dst /src))2025-11-21 10:43.23 ---> saved as "a1f8a7737c5deb208b6b2a439b8657c099809d4fc2077b4b1eaf088b8384c6cf"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test/multidomain && ./movingpromises.exe)moving-promises: ✓(cd _build/default/test/direct && ./main.exe)Testing library 'lwt_direct'................Ok. 13 tests ran, 0 tests skipped in 0.01 seconds(cd _build/default/test/multidomain && ./basic.exe)basic: ✓(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/multidomain && ./unixpipe.exe)unixpipe: ✓File "test/multidomain/dune", line 2, characters 29-43:2 | (names basic domainworkers domainworkers2 movingpromises unixpipe preempting)^^^^^^^^^^^^^^(cd _build/default/test/multidomain && ./domainworkers2.exe)Fatal error: exception File "src/core/lwt.ml", line 1039, characters 23-29: Assertion failed(cd _build/default/test/multidomain && ./preempting.exe)preempting: ✓File "test/multidomain/dune", line 2, characters 15-28:2 | (names basic domainworkers domainworkers2 movingpromises unixpipe preempting)^^^^^^^^^^^^^(cd _build/default/test/multidomain && ./domainworkers.exe)Fatal error: exception File "src/core/lwt.ml", line 1039, characters 23-29: Assertion failed(cd _build/default/test/core && ./main.exe)Testing library 'core'..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS..................................................................................................................................................Ok. 697 tests ran, 23 tests skipped in 0.45 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'.................................................................................SSSS.........................................Ok. 119 tests ran, 4 tests skipped in 6.02 seconds"/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12025-11-21 10:43.42: Job failed: Failed: Build failed