2026-01-27 14:56.48: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/release-6.1.0 (661646e40639298dde11834cfd3575b6ead2cadc) (linux-x86_64:ubuntu-25.10-5.4_opam-2.5)Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164dOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocsigen/lwt.git" -b "release-6.1.0" && cd "lwt" && git reset --hard 661646e4cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d# ubuntu-25.10-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /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 873cb18c37b308713d11ad3894c4bb78d73fb3e7 || git fetch origin master) && git reset -q --hard 873cb18c37b308713d11ad3894c4bb78d73fb3e7 && git log --no-decorate -n1 --oneline && opam update -uCOPY --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.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 dune.3.21.0 dune-configurator.3.21.0 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=2.5 --depext-only -y lwt_runtime_events.dev 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-BLOCK2026-01-27 14:56.48: Using cache hint "ocsigen/lwt-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d-ubuntu-25.10-5.4_opam-2.5-75ab778214f47ae1c2af4a869bf7c608"2026-01-27 14:56.48: Using OBuilder spec:((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d)(comment ubuntu-25.10-5.4_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.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 dune.3.21.0 dune-configurator.3.21.0 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=2.5 --depext-only -y lwt_runtime_events.dev 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")))2026-01-27 14:56.48: Waiting for resource in pool OCluster2026-01-27 14:56.48: Waiting for worker…2026-01-27 14:56.48: Got resource from pool OClusterBuilding on cleteHEAD is now at 5f62a5561 fix mistranslation of original wakeupHEAD is now at 661646e40 CHANGES(from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:eab03cfc154e050134afb9324bfc335dd0f5cb340f1eb8b13fc682ed6f42164d)2026-01-27 14:56.49 ---> using "af32c03474fe19e80e592c8693340c8ce6655469affb5fd3412b6c6978beb304" from cache/: (comment ubuntu-25.10-5.4_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 14:56.49 ---> using "48ca1be731ec09fa9fcf51eb3c760bbe808657f16675c4adc3c7616d0ca1628a" 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] Initialised2026-01-27 14:56.49 ---> using "54834730e5f1ef7889eb8abe62f024973502919b990d0be6ecd40fc47d38fbbf" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-90-genericThe OCaml toplevel, version 5.4.02.5.02026-01-27 14:56.49 ---> using "3e6a607d767caf9a7be377c7cbb1abf80ab9aacf5c9cbcdd190a786907db7f65" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-27 14:56.49 ---> using "1203abad3b4e5797f4c1fa2491ba5736556317f6d5986a0b7b75b6407db4b5a4" 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_HEADa6b2f19780..e4bc1b0e55 master -> origin/master873cb18c37 Merge pull request #29216 from shonfeder/release-dune-3.21.0<><> 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)2026-01-27 14:56.49 ---> using "faccaacc4ef9fb2c3c44ad662cd923586e88f3a431cbaa949a4dde291382b397" 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 ./))2026-01-27 14:56.49 ---> saved as "12912d8318510e74ebea3ced974d2abf64c7bb804917825711bd70260e324c50"/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)2026-01-27 14:56.59 ---> saved as "cc8416cf3cd086c5c688e0a3fb7152b94f9b92f058d6748c27260d2826ed5163"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-27 14:57.00 ---> saved as "81bc33a54c33b483711b5e3e2c9440ea84621583a716be485f5dc7d3d5040b78"/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 dune.3.21.0 dune-configurator.3.21.0 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=2.5 --depext-only -y lwt_runtime_events.dev 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"- Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]- Get:2 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [120 kB]- Get:3 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [120 kB]- Get:4 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [184 kB]- Hit:5 http://archive.ubuntu.com/ubuntu questing InRelease- Get:6 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]- Get:7 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]- Get:8 http://archive.ubuntu.com/ubuntu questing-updates/multiverse amd64 Packages [3223 B]- Get:9 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [178 kB]- Get:10 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [159 kB]- Get:11 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [310 kB]- Fetched 1479 kB in 0s (3813 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_ppx__ppx_let_tests.dev] synchronised (file:///src)[lwt_react.dev] synchronised (file:///src)[lwt_retry.dev] synchronised (file:///src)[lwt_runtime_events.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).# To update the current shell environment, run: eval $(opam env)2026-01-27 14:57.10 ---> saved as "5978272bbc7f958a97e4b4ead0236f208036ac2604ca88a26aa15912f12768dc"/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 19 packages- install base v0.17.3- 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 v0.17.0- 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 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.3.21.0, dune-configurator.3.21.0 (cached)-> 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.v0.17.0-> installed ocaml_intrinsics_kernel.v0.17.1-> installed sexplib0.v0.17.0-> installed stdlib-shims.0.3.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.21.0-> 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)2026-01-27 14:58.13 ---> saved as "4809db32018d0094504eba90b14ec82a244ed68e67bae7214406404ff78020b9"/src: (copy (src .) (dst /src))2026-01-27 14:58.13 ---> saved as "0a8e6ad30ec56734cd938463164310bf44c5b2370923f15e2edf7e3edc4794af"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test/direct && ./main.exe)Testing library 'lwt_direct'................Ok. 13 tests ran, 0 tests skipped in 0.00 seconds(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 0.22 seconds(cd _build/default/test/ppx && ./main.exe)Testing library 'ppx'......................Ok. 19 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 6.31 seconds2026-01-27 14:58.23 ---> saved as "b44bd0a510aa7aebee31aa9dbfb56bd949a80af754970973cb6b96b9ffd01302"Job succeeded2026-01-27 14:58.23: Job succeeded