2026-01-05 08:01.55: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/prepare-lwt6-release (d88c35d235e91c5574e201303367b2ee1244e3b0) (linux-x86_64:fedora-42-5.4_opam-2.4)Base: ocaml/opam:fedora-42-ocaml-5.4@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ocsigen/lwt.git" -b "prepare-lwt6-release" && cd "lwt" && git reset --hard d88c35d2cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:fedora-42-ocaml-5.4@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174# fedora-42-5.4_opam-2.4USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN 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 c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && 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.3.20.2 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_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-BLOCK2026-01-05 08:01.55: Using cache hint "ocsigen/lwt-ocaml/opam:fedora-42-ocaml-5.4@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174-fedora-42-5.4_opam-2.4-e1b69c445173ce854016c694311f718b"2026-01-05 08:01.55: Using OBuilder spec:((from ocaml/opam:fedora-42-ocaml-5.4@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174)(comment fedora-42-5.4_opam-2.4)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (network host)(shell "sudo dnf install -y findutils"))(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 c65fcb116531ae66ad3316b265e233443ef25044 || git fetch origin master) && git reset -q --hard c65fcb116531ae66ad3316b265e233443ef25044 && 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.3.20.2 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_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")))2026-01-05 08:01.55: Waiting for resource in pool OCluster2026-01-05 08:01.55: Waiting for worker…2026-01-05 08:05.36: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at d88c35d23 mark incompatibilities with prereleases(from ocaml/opam:fedora-42-ocaml-5.4@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174)Unable to find image 'ocaml/opam:fedora-42-ocaml-5.4@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174' locallydocker.io/ocaml/opam@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174: Pulling from ocaml/opam166acd75d0b1: Already exists3f5403f6a2f2: Already exists67aec952ce79: Already exists0bb48c2941bc: Already exists4c00ee60bee0: Already exists0405ae6db764: Already exists75f105568f25: Already exists89a1a8bb55db: Already exists4dbdc277b5cc: Already existsb9ac9b5d0d58: Already existsed3c58c8dfb3: Already existsa7f2118798c2: Already exists6cf8123db17c: Already exists5ac472da51a5: Already exists3922aa403f38: Already exists98656b983bdb: Already exists929c1c6503b7: Already exists930e6f5c8d1d: Already existsea061ab209c7: Already existsb6a2cb7f5c47: Already existsc69cf0663843: Already exists4f4fb700ef54: Already exists067fb1fc80b8: Already exists7ea6a305f43c: Already existse0c82749fa91: Already existsf5f2f52bbfe6: Already exists7f3917cda1bd: Already exists12e8a6ba30d9: Already exists52881c97bb6a: Already existse4dd3ced19f6: Already exists85b85699624b: Already exists5ec3770e6174: Already exists0140052d9f0a: Already exists97821c341b06: Already existsb3d7a283a104: Pulling fs layer095706e06400: Pulling fs layer4ae871869804: Pulling fs layer74c045f0c2b7: Pulling fs layer095706e06400: Waiting4ae871869804: Waiting228e90762f03: Pulling fs layer74c045f0c2b7: Waitingeaa745f51533: Pulling fs layer228e90762f03: Waitinge7ceeac140ef: Pulling fs layereaa745f51533: Waiting1ea4fa27df4d: Pulling fs layer6832ade56bdf: Pulling fs layerce8e84c22cec: Pulling fs layer1ea4fa27df4d: Waiting6832ade56bdf: Waitingd61ee8857b6d: Pulling fs layerce8e84c22cec: Waitingd61ee8857b6d: Waiting095706e06400: Download complete74c045f0c2b7: Verifying Checksum74c045f0c2b7: Download complete228e90762f03: Verifying Checksum228e90762f03: Download completeeaa745f51533: Download completee7ceeac140ef: Verifying Checksume7ceeac140ef: Download complete1ea4fa27df4d: Verifying Checksum1ea4fa27df4d: Download complete6832ade56bdf: Verifying Checksum6832ade56bdf: Download completeb3d7a283a104: Verifying Checksumb3d7a283a104: Download completece8e84c22cec: Download completed61ee8857b6d: Verifying Checksumd61ee8857b6d: Download complete4ae871869804: Verifying Checksum4ae871869804: Download completeb3d7a283a104: Pull complete095706e06400: Pull complete4ae871869804: Pull complete74c045f0c2b7: Pull complete228e90762f03: Pull completeeaa745f51533: Pull completee7ceeac140ef: Pull complete1ea4fa27df4d: Pull complete6832ade56bdf: Pull completece8e84c22cec: Pull completed61ee8857b6d: Pull completeDigest: sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf1549174Status: Downloaded newer image for ocaml/opam@sha256:44a2fa355bf085feb5191432c04fbd33a2c7c15c6c8330260e0d3efcf15491742026-01-05 08:05.36 ---> using "b36436dc0a54692b61a9e9b5101ae33d5a0f9d66e13662251127e35c6de973f9" from cache/: (comment fedora-42-5.4_opam-2.4)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (network host)(shell "sudo dnf install -y findutils"))Updating and loading repositories:Fedora 42 - x86_64 100% | 24.0 KiB/s | 22.8 KiB | 00m01sFedora 42 openh264 (From Cisco) - x86_ 100% | 2.3 KiB/s | 986.0 B | 00m00sFedora 42 - x86_64 - Updates 100% | 21.6 KiB/s | 7.5 KiB | 00m00sRepositories loaded.Package "findutils-1:4.10.0-5.fc42.x86_64" is already installed.Nothing to do.2026-01-05 08:05.36 ---> using "35baf96c0a1244f6afe04d669a548c6cc3e2fd1a4fc674841b290f4712d91f07" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam"))2026-01-05 08:05.36 ---> using "8427df509f2bf2d3aa06b82482d317bf17d28269c182693ccfd40507bf9b9137" 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] Initialised2026-01-05 08:05.36 ---> using "e7f0ac7e8c07c79b84e7c8e28861a5808d641ba0ccd75a39e2a39ccce2f04829" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-87-genericThe OCaml toplevel, version 5.4.02.4.12026-01-05 08:05.36 ---> using "2292a9ca0268a093f8dcbbb9b29825647b7434a590b244d5e12b1f9cba259824" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-05 08:05.36 ---> using "5420d4d08e58c5f1b167c48543b07ba252b3453c0ce2db77264465f61a386c1b" 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"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADee48e882f0..71325ac6ed master -> origin/masterc65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls<><> 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)2026-01-05 08:05.36 ---> using "f6d803f25f6034505cd63d59ece550db1cc9c758cbe6dbb4eeb01f71877410a8" 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 ./))2026-01-05 08:05.36 ---> saved as "e606c9ea6ce999d5ebd8d5919201c6660d3da8e7967d13d9d828353ae374d3a1"/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)2026-01-05 08:05.40 ---> saved as "c1a94b856aab686ddd16ea2a011450a6b6096f25dd6b2f692bad9b276f989276"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-05 08:05.40 ---> saved as "d2b5af96161fddb2941d57b18ba3a2b7832619e277efffe51578e7e2a287b004"/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.3.20.2 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_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/sbin/sudo "yum" "makecache"- Updating and loading repositories:- Repositories loaded.- Metadata cache created.<><> 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).2026-01-05 08:05.47 ---> saved as "4ec3c71b38fa6379fe1ec0df98624d10b152d2422598a0ba970960231c572cef"/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 3.20.2- 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 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 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.3.20.2-> 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.3.20.2-> 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)2026-01-05 08:06.30 ---> saved as "24fe0e1bfd16428e219c63d9c5a3dab9c7b288446892bd3984f6d96e489249e0"/src: (copy (src .) (dst /src))2026-01-05 08:06.30 ---> saved as "af3e23fab861d521f6e6fb4d97b18459c498ba2bb05456a753e760f9bc4924db"/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 0.16 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. 226 tests ran, 9 tests skipped in 6.28 seconds2026-01-05 08:06.39 ---> saved as "44741bbb89aeb5ab36be5327bdb8efa136d24b0078a42bc311547e5fb51c67e1"Job succeeded2026-01-05 08:06.39: Job succeeded