2026-01-05 07:30.30: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/prepare-lwt6-release (9cc057e438b77b060a2878fa8f7897c1ab57cfce) (linux-x86_64:debian-13-5.4+flambda_opam-2.4) Base: ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "prepare-lwt6-release" && cd "lwt" && git reset --hard 9cc057e4 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1 # debian-13-5.4+flambda_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN 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 --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-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-variants.5.4.0+options 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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-01-05 07:30.30: Using cache hint "ocsigen/lwt-ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1-debian-13-5.4+flambda_opam-2.4-c9b4ae27d4ec0be7dc8a0465d6ece78c" 2026-01-05 07:30.30: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1) (comment debian-13-5.4+flambda_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 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-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-variants.5.4.0+options 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 07:30.30: Waiting for resource in pool OCluster 2026-01-05 07:30.30: Waiting for worker… 2026-01-05 07:30.30: Got resource from pool OCluster Building on eumache All commits already cached HEAD is now at 9cc057e43 Merge branch 'master' into prepare-lwt6-release (from ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4-flambda@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1' locally docker.io/ocaml/opam@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1: Pulling from ocaml/opam 2981f7e8980b: Already exists 9c63e1c4ba84: Already exists 02578b9c9f1b: Already exists 3801cb7ba5e6: Already exists 1c4cdedd39f1: Already exists 40f6006c5f5a: Already exists c451a17216ec: Already exists e4104b8f72ee: Already exists 7c7dbc5e7919: Already exists aa82be714e7c: Already exists 922520f12384: Already exists 9bfea042cef8: Already exists 1244979f7c21: Already exists 7583a0e34f94: Already exists 14bef3f2665a: Already exists 3a4b42ce6cb5: Already exists b0a08a900877: Already exists b0a08a900877: Already exists 16ac87e68d60: Already exists 74ac6e8c9b82: Already exists b41290a57dc5: Already exists 592e5bcb7159: Already exists 4f4fb700ef54: Already exists 1db0705661a3: Already exists 76bb8e35b9cc: Already exists 3bc9d98c3b49: Already exists 7096ef42e6c0: Already exists cd0e70de8125: Already exists 23ffab57f98e: Already exists b974353d8023: Already exists c74fba566723: Already exists 5ad399846f45: Already exists 3e7203fa3980: Already exists 0b8915d2a92b: Already exists e68c7a56c438: Already exists 9024d680a167: Already exists 3c7c73421b6e: Already exists 7134fa9b4278: Already exists 9d94fb523099: Already exists 20d06dbdae7e: Already exists b9a45e537661: Already exists a08a9a974983: Already exists 8924679c4512: Already exists 768c99fc4263: Already exists 0f40d78cf64e: Already exists 4d889f9307ab: Already exists abae0700fc9e: Already exists 8c98eadb13b0: Already exists Digest: sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1 Status: Downloaded newer image for ocaml/opam@sha256:9e2c25dcb9043eb2a5b7c21786ba70fdeb38c3e05b2a06da09d0aaec48ecfbc1 2026-01-05 07:31.10 ---> saved as "11d8c5cac923eb9677d0a437b3d28fb91fc56de22fe867faf5ddb2534285818a" /: (comment debian-13-5.4+flambda_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")) 2026-01-05 07:31.10 ---> saved as "fb04022221ab8c5476de217b2ebee59507f2c00ecb19ef9aa97a5bd1099de693" /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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-01-05 07:31.39 ---> saved as "8354d3cd1845ef06ef2dc1e890c42a3cbf47a50ad45438e0646f6cd1d023b8b8" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-131-generic The OCaml toplevel, version 5.4.0 2.4.1 2026-01-05 07:31.40 ---> saved as "d5ffe88175447a88dac72678435a1168eb9e2a1c780e6014e7a2386ec01b55ea" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-05 07:31.40 ---> saved as "097ff562fbdaf70e3a8cd2bf0dc4317edd5b9c3be97d8ba8d6d751619fe4bf01" /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_HEAD ee48e882f0..71325ac6ed master -> origin/master c65fcb1165 Merge pull request #29080 from dra27/ocaml-config-urls <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-01-05 07:32.06 ---> saved as "8c165b4ce5684740c39a271054df01b7c431611692981aa3e8c2b8b953a5e97d" /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 07:32.06 ---> saved as "58e7c2f8ea1e9fabd462e055ffe53306eab733606ee14376b66f592f07ee8d9d" /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 07:32.18 ---> saved as "dc0cecf3a056216c7976f3116c9fe1fb40718ed80994f177e248db75455da996" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-05 07:32.18 ---> saved as "7443a16d081f0fc6d920fd0350909b3c0e92a5266a54ab97a92e640874ef2092" /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-compiler.5.4.0 ocaml-compiler-libs.v0.17.0 ocaml-config.3 ocaml-variants.5.4.0+options 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/bin/sudo "apt-get" "update" - Hit:1 http://deb.debian.org/debian trixie InRelease - Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB] - Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB] - Get:4 http://deb.debian.org/debian-security trixie-security/main amd64 Packages [94.0 kB] - Fetched 185 kB in 0s (1759 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-variants is already installed (current version is 5.4.0+options). [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 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 07:32.29 ---> saved as "ecda33f987f27bf2dfd6448ad19d483d1265bdc2f46dbbb3944137ac29d52f26" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-variants is already installed (current version is 5.4.0+options). [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 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 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 ppx_derivers.1.2.1 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed csexp.1.5.2 -> installed sexplib0.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed ocaml-compiler-libs.v0.17.0 -> installed cppo.1.8.0 -> 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.v0.17.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-01-05 07:33.56 ---> saved as "bda90acccfb149b740180cdda0ac3a55f5b53b58edecefc3bfa5c04d1f41ee29" /src: (copy (src .) (dst /src)) 2026-01-05 07:33.56 ---> saved as "00becc3ca10f58f1ef84fcc59359eef5571c5da3a7293ce99c141cc292ca8bd9" /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 6.30 seconds 2026-01-05 07:34.06 ---> saved as "27ed1ee8a7b84ed733036125ea1b2bc2e5f0c2bba45dc6cdc2e69d109a8dc172" Job succeeded 2026-01-05 07:34.06: Job succeeded