2026-04-25 17:25.04: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/more-ppx-test (1302188388781fc1198e7bd1de9016ab27888976) (linux-arm64:debian-13-5.4_arm64_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.4@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "more-ppx-test" && cd "lwt" && git reset --hard 13021883 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-5.4@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981 # debian-13-5.4_arm64_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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.0.38.0 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 $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 2026-04-25 17:25.04: Using cache hint "ocsigen/lwt-ocaml/opam:debian-13-ocaml-5.4@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981-debian-13-5.4_arm64_opam-2.5-b9a715eb66fe8854a9e70299e6527980" 2026-04-25 17:25.04: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.4@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981) (comment debian-13-5.4_arm64_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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && 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 (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.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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.0.38.0 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")) ) 2026-04-25 17:25.04: Waiting for resource in pool OCluster 2026-04-25 17:25.04: Waiting for worker… 2026-04-25 17:28.15: Got resource from pool OCluster Building on molpadia.caelum.ci.dev All commits already cached HEAD is now at 130218838 more ppx test re constraints (from ocaml/opam:debian-13-ocaml-5.4@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981) Unable to find image 'ocaml/opam:debian-13-ocaml-5.4@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981' locally docker.io/ocaml/opam@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981: Pulling from ocaml/opam 912041a7b9f6: Already exists 384913182f58: Already exists e7afd92310f2: Already exists 4c463b0e2a83: Already exists 414acffd690a: Already exists e9fe6906cc38: Already exists de3b3e62a756: Already exists 3099becd7ce0: Already exists 070a3c5c3800: Already exists 0a1f5b6ab287: Already exists 9c0a2ac17ad8: Already exists bd2582e07236: Already exists 97e17cd4d04c: Already exists f448a6398a51: Already exists 457e4400863c: Already exists fca49b31ca13: Already exists 14e2b0fb3b32: Already exists 14e2b0fb3b32: Already exists 3274c4c203d0: Already exists c94da4bc4f13: Already exists b0b816efbd05: Already exists dd657d165857: Already exists 4f4fb700ef54: Already exists 1939844c1e42: Already exists a12f397df222: Already exists 61a60d8f7b0a: Already exists 27115b0e59d9: Already exists ee225e26bcf0: Already exists 05b5a741b2da: Already exists 82107d8efc45: Already exists dcf25205b3b2: Already exists dd1d2b63e706: Already exists 89f96c977b1d: Already exists 64836cc68637: Already exists 05682ec10158: Already exists bb5304ad554a: Already exists bdeefdd5c13a: Already exists 8fc5309d3aa8: Already exists 587f1186af6b: Already exists baa1f11944d3: Already exists 0c53051b4d52: Already exists 9e4c409346b6: Pulling fs layer 63f3735f26e9: Pulling fs layer d83dffd5b939: Pulling fs layer ab7b906a152e: Pulling fs layer 5bed40dbb244: Pulling fs layer 235b11023dc5: Pulling fs layer b948046d8c24: Pulling fs layer ab7b906a152e: Waiting 235b11023dc5: Waiting b948046d8c24: Waiting 5bed40dbb244: Waiting d83dffd5b939: Download complete 9e4c409346b6: Verifying Checksum 9e4c409346b6: Download complete 9e4c409346b6: Pull complete 63f3735f26e9: Pull complete d83dffd5b939: Pull complete 5bed40dbb244: Download complete 235b11023dc5: Verifying Checksum 235b11023dc5: Download complete b948046d8c24: Download complete ab7b906a152e: Verifying Checksum ab7b906a152e: Download complete ab7b906a152e: Pull complete 5bed40dbb244: Pull complete 235b11023dc5: Pull complete b948046d8c24: Pull complete Digest: sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981 Status: Downloaded newer image for ocaml/opam@sha256:9e336bd0d3030e5c8bf370816f5f12a9a305f14093690ecfcb61804cf309f981 2026-04-25 17:28.16 ---> using "fedff45d71f4e2a7219b04789e723fe5dc928d6bd0c027a3b2fc4ad43336df83" from cache /: (comment debian-13-5.4_arm64_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")) 2026-04-25 17:28.16 ---> using "2b92c518bc1a34fc4f618b52856237a94786e68f750d863a8d6f584d753cda16" 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] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-25 17:28.16 ---> using "d605141c553345cb16d517d1744672971ce851dddb26488685a94b2fb5d78853" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-107-generic The OCaml toplevel, version 5.4.1 2.5.1 2026-04-25 17:28.16 ---> using "3559373d7fa50fbee667544be91f891f29a3cc7d7c5628c2c46262b5e4f93c74" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-25 17:28.16 ---> using "3774ca1ecb4fa65a25868b4a7b15652de324e19cef52c484899c3233dcfb5b85" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u")) 5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-04-25 17:28.16 ---> using "41f9ff05e2a86a3fd5d5d68e3c577db7252f534b20659604b5097952e0b7858a" 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 ./)) 2026-04-25 17:28.16 ---> using "6c88fef590ab95ef2aa43d2a71e71066f4b620359e2ed79f3a2a3cd3b5c067e2" from cache /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) 2026-04-25 17:28.16 ---> using "dfe5a301b55f9a9a532e1337ca13b839719e72ed735ded9ebdf795bc376f4b14" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-25 17:28.16 ---> using "3ea3996925f81e34414aaae5b2d60bf32794fd19dea6235ea430d967b7fff57d" from cache /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.3.22.2 dune-configurator.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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.0.38.0 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" - 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 arm64 Packages [126 kB] - Fetched 217 kB in 1s (357 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 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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) 2026-04-25 17:28.16 ---> using "15bd50b665d65b755ca9f3601486a279ada73f59a1e63d8deb1977f352d1d126" from cache /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 5.4.1). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1). [NOTE] Package ocaml is already installed (current version is 5.4.1). [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 3.22.2 - install dune-configurator 3.22.2 - 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 0.38.0 - 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.0.38.0 (cached) -> retrieved dune.3.22.2, dune-configurator.3.22.2 (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.3.22.2 -> 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.3.22.2 -> installed base.v0.17.3 -> installed ppxlib.0.38.0 -> installed ppx_here.v0.17.0 -> installed ppx_let.v0.17.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-25 17:28.16 ---> using "65f65dda1a2f7e74dcc109378af90048b53e0dd7df2228ef08a61cf26b9c0aab" from cache /src: (copy (src .) (dst /src)) 2026-04-25 17:28.16 ---> saved as "dbf023db20dc01dfdbbb3a04eec05e97fa4102cbc9ed2e145cedbd0b938b5ab1" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "dune-project", line 39, characters 2-24: 39 | (lwt (= 6.0.0-beta01)))) ^^^^^^^^^^^^^^^^^^^^^^ Warning: Duplicate dependency on package (lwt (= 6.0.0-beta01)) in 'conflicts' field. If you want to specify multiple constraints, combine them using (and ...). Hint: To disable this warning, add the following to your dune-project file: (warnings (duplicate_deps disabled)) (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 0.21 seconds (cd _build/default/test/ppx && ./main.exe) Testing library 'ppx'... ..................... Ok. 21 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 6.31 seconds 2026-04-25 17:28.26 ---> saved as "5506b2b216d83faf8c895819fe1e50034801ccb86d58bb2a4021a67ca2d1375d" Job succeeded 2026-04-25 17:28.26: Job succeeded