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:fedora-43-5.4_opam-2.5)Base: ocaml/opam:fedora-43-ocaml-5.4@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7Opam 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:fedora-43-ocaml-5.4@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7# fedora-43-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN 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-BLOCK2026-01-21 09:09.41: Using cache hint "ocsigen/lwt-ocaml/opam:fedora-43-ocaml-5.4@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7-fedora-43-5.4_opam-2.5-75ab778214f47ae1c2af4a869bf7c608"2026-01-21 09:09.41: Using OBuilder spec:((from ocaml/opam:fedora-43-ocaml-5.4@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7)(comment fedora-43-5.4_opam-2.5)(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-2.5 /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")))2026-01-21 09:09.41: Waiting for resource in pool OCluster2026-01-21 09:09.41: Waiting for worker…2026-01-21 09:11.28: Got resource from pool OClusterBuilding on eumacheAll commits already cachedHEAD is now at 39630d907 expose a way to identify currently-running engine(from ocaml/opam:fedora-43-ocaml-5.4@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7)Unable to find image 'ocaml/opam:fedora-43-ocaml-5.4@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7' locallydocker.io/ocaml/opam@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7: Pulling from ocaml/opam1216d224fefc: Already existsd2b80d0f9692: Already existsb44754d8bf82: Already exists36abc5888bbf: Already exists13ceeda275e3: Already exists9d0a0e279caf: Already exists40e2d63e6bc8: Already exists75b3ac574ea6: Already exists1049f777ea82: Already exists03fc9df51c6a: Already existsb047e90b13a5: Already exists9e9b975180f0: Already exists67d0d0d5c8c1: Already exists89a5d6bde7a7: Already exists1d93c1211989: Already exists29eae7cc87b0: Already exists29eae7cc87b0: Already existscbc0891b6ad5: Already exists1dcdb5dba4d6: Already existscbbbe6830481: Already exists21e1ea572da2: Already exists4f4fb700ef54: Already exists98b69470db28: Already exists2dcdfd57803f: Already exists379ef38822e9: Already exists3bc4f9dcff1f: Already existsd9698ccc8ea7: Already exists5ed663178eca: Already existsc8305c642087: Already exists8f6d93fd556f: Already exists921519ed1807: Already existsc60d13ca69bb: Already exists2aac9c9633a8: Already existsc0e95d961175: Already exists27ce8579a8e4: Already existsfe5862feaa51: Already existse29132ca7758: Already exists7f1e364d449b: Already existsa8bd8d8144bc: Already exists571a3efac70d: Already existsa83a90a79bde: Already exists965ec293f8c1: Already exists98102c35b6c5: Already existsbe27aa16171d: Already existsc900362c76d3: Already existsDigest: sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b7Status: Downloaded newer image for ocaml/opam@sha256:e63cb54f263f69a5487a22bff4673effded4c57d56bd27fd67e3cc2615aab9b72026-01-21 09:13.07 ---> using "4e2b8591845136281b2629afb7934c15f1ae534ce6c700ee8841e11b607a33a7" from cache/: (comment fedora-43-5.4_opam-2.5)/: (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 43 - x86_64 100% | 32.1 KiB/s | 21.5 KiB | 00m01sFedora 43 - x86_64 - Updates 100% | 55.5 KiB/s | 9.1 KiB | 00m00sRepositories loaded.Package "findutils-1:4.10.0-6.fc43.x86_64" is already installed.Nothing to do.2026-01-21 09:13.07 ---> using "837c07188bf50ea546afbccb4d2f64bc0404968bc0937813826ca26b88c6ea71" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-01-21 09:13.07 ---> using "a0e1ae1c42dd01ffe431135132f32b5d6f97bc76e97c00f10122bcde345422b4" 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] Initialised2026-01-21 09:13.07 ---> using "61a7774f29dc5820513e99ec972f57df997429bf3f81ba129e961d9c42ee9cf0" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-131-genericThe OCaml toplevel, version 5.4.02.5.02026-01-21 09:13.07 ---> using "63917ca5af84f6109637526de6c22761387273cdcaa1b1d885dc1d45fbb1fa8b" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-01-21 09:13.07 ---> using "26df678581fbe1125840d6b3260cbe14d9d438bec832027001047372311489df" 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..10a02a697b 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)2026-01-21 09:13.07 ---> using "49b37028defa538922886761feef9a46e2c85e832a643652757c45819caa9f86" 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 09:13.07 ---> saved as "935d9e2d279c0db97293b67962f9a1daa0dd00194609ffdd7eb1fbae8745d04d"/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 09:13.16 ---> saved as "5399f22862e1ca4607d0ab5028b72566e315c3dcf715cfda63b43062d3326a7a"/src: (run (network host)(shell "echo '(lang dune 3.0)' > './dune-project'"))2026-01-21 09:13.16 ---> saved as "a2bcec8219e2543d823089e65fffb90136fd72496efa9f3cc5bb0205e891bea2"/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/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).# To update the current shell environment, run: eval $(opam env)2026-01-21 09:13.33 ---> saved as "b631c82291c49e43f5e437059d253b2e9895b09c83f9787c8bbcef98b19f1646"/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 ocamlfind.1.9.8 (cached)-> retrieved ocamlbuild.0.16.1 (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)2026-01-21 09:15.51 ---> saved as "695f9d1d90496889b4119e6eb85926637c10cbedacf94cbf6057b9eee91d2240"/src: (copy (src .) (dst /src))2026-01-21 09:15.51 ---> saved as "1a759a4940e87e99e4e9f0da2807a923a185d713111bc996d95604929d2907ca"/src: (run (shell "opam exec -- dune build @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/direct && ./main.exe)Testing library 'lwt_direct'................Ok. 13 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 0.45 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 4.51 seconds(cd _build/default/test/unix && ./main.exe)Testing library 'unix'.....................................SSSSS...............................................................................................................................SSSS..................................................................Ok. 227 tests ran, 9 tests skipped in 6.41 seconds2026-01-21 09:16.03 ---> saved as "7bba5fd70593c744a2f20f4532151916c7f991060a20b220afab1221259de4b0"Job succeeded2026-01-21 09:16.04: Job succeeded