2026-01-21 09:09.41: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/expose-engine (39630d90751f4e6017e50acd70f07f453fe2b92d) (linux-x86_64:opensuse-16.0-4.14_opam-2.5)Base: ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992dOpam project buildTo reproduce locally:git clone --recursive "https://github.com/ocsigen/lwt.git" -b "expose-engine" && cd "lwt" && git reset --hard 39630d90cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d# opensuse-16.0-4.14_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-bigarray.base base-bytes.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.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 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_retry.dev lwt_react.dev lwt_ppx.dev lwt.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-01-21 09:09.41: Using cache hint "ocsigen/lwt-ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d-opensuse-16.0-4.14_opam-2.5-f80664a0fc43791440912ae83095cdb3"2026-01-21 09:09.41: 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_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-bigarray.base base-bytes.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.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 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_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 --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @install @check @runtest && rm -rf _build")))2026-01-21 09:09.41: Waiting for resource in pool OCluster2026-01-21 09:09.41: Waiting for worker…2026-01-21 09:16.33: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at 39630d907 expose a way to identify currently-running engine(from ocaml/opam:opensuse-16.0-ocaml-4.14@sha256:335f1285bdbfeedb2af05ee9d9013f172a321586ab389e4a42df9776c379992d)2026-01-21 09:16.38 ---> using "13bd82803a57ea5ff694d8190a33d1e2fac93afbb5eee5733e0e571712600609" from cache/: (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"))2026-01-21 09:16.38 ---> using "7ae44f66e9ffc836452f26b23e5cdaa30291d0c44d82a988efbe48df1a420377" 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 ><><><><><><><><><><><><><><><><><><><><><><><><><><>[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] Initialised2026-01-21 09:16.38 ---> using "63b30f65c9fc7ff00c3e31be976cf13d6647410b2ed0730892d9152c35f077fe" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-87-genericThe OCaml toplevel, version 4.14.22.5.02026-01-21 09:16.38 ---> using "05f04870a3915a32d34a8c855e26e216f4484f6e521a7e1ce30a14b5860d4e09" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-21 09:16.38 ---> using "b5d695a82e41010b51b5cb3ded806f34aaa704353328d4b3808f7be1402ed3d7" 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..1c997ec9e6 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-repository[ocaml-patches-overlay] synchronised from git+https://github.com/ocurrent/opam-repository#patchesThe 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.1.2.3Done.<><> 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)2026-01-21 09:16.38 ---> using "1e8e1773632de3810f3f1bc131cf43321781d528a4fe7320f73756ab1766bab0" 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 ./))2026-01-21 09:16.39 ---> saved as "3388f21c4d0615faa13cec757497218750358da521b62ce781e61252b9e3bcc5"/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)2026-01-21 09:16.51 ---> saved as "3e80d91352c0e6a51d6313bde86aa346347712ae3b3afbefe9c64990ec8730ab"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-21 09:16.53 ---> saved as "9fb051c176e2845519006c6ea66bc1a41ad6196881d2f02b2e78189148580b45"/src: (env DEPS "base-bigarray.base base-bytes.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.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 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_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)2026-01-21 09:17.30 ---> saved as "24d7f88cb38dabf6370226eabc74c9cf8e4c08a88eb2c22480b248e7122ab889"/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 15 packages- 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 v0.12.4- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install ppx_derivers 1.2.1- 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 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 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 stdlib-shims.0.3.0-> installed csexp.1.5.2-> installed cppo.1.8.0-> installed ocaml-compiler-libs.v0.12.4-> installed sexplib0.v0.17.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.21.0-> installed ppxlib.0.37.0Done.# To update the current shell environment, run: eval $(opam env)2026-01-21 09:18.35 ---> saved as "e35456a0e3bd8574d9a0852b170f151da05671413ef2920a3a234407a2ba3b27"/src: (copy (src .) (dst /src))2026-01-21 09:18.36 ---> saved as "863f17c82f43b2f2961fd6aa34aefc70ab3a2c0fc78eeb717f8a660ce4f46aac"/src: (run (shell "opam exec -- dune build --only-packages=lwt_retry,lwt_react,lwt_ppx,lwt @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/core && ./main.exe)Testing library 'core'..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS..................................................................................................................................................Ok. 705 tests ran, 23 tests skipped in 0.20 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'.....................................SSSSS..............................................................................................................SSSS...................................................................................Ok. 227 tests ran, 9 tests skipped in 6.32 seconds2026-01-21 09:18.46 ---> saved as "231b37c0bd0f1eafead94a598d1fdc6ec886794dd0883afd119398b85a721eac"Job succeeded2026-01-21 09:18.47: Job succeeded