2025-12-15 14:44.28: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/lwt-6 (14dc69ea552c5bc55d2256f46b2ea41d85b07692) (linux-x86_64:ubuntu-25.10-5.4_opam-2.4) Base: ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "lwt-6" && cd "lwt" && git reset --hard 14dc69ea cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd # ubuntu-25.10-5.4_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-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 $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 2025-12-15 14:44.28: Using cache hint "ocsigen/lwt-ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd-ubuntu-25.10-5.4_opam-2.4-e1b69c445173ce854016c694311f718b" 2025-12-15 14:44.28: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd) (comment ubuntu-25.10-5.4_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-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")) ) 2025-12-15 14:44.28: Waiting for resource in pool OCluster 2025-12-15 23:16.09: Waiting for worker… 2025-12-15 23:19.33: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at 14dc69ea5 documentation about runtime events (from ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd) Unable to find image 'ocaml/opam:ubuntu-25.10-ocaml-5.4@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd' locally docker.io/ocaml/opam@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd: Pulling from ocaml/opam 9b965cd35928: Already exists 6c31bc6d66d3: Already exists 27be051823bf: Already exists c5295dfd16e5: Already exists 7c6e3b2643c5: Already exists db5fc12c4b12: Already exists b7a8523d0575: Already exists 21427cfce9d5: Already exists 72bd9dbcf413: Already exists 17e15645b078: Already exists dd011c665d24: Already exists f65f55bdd63e: Already exists 7750d91c24d2: Already exists f793edf3ac50: Already exists ea928b1638f9: Already exists 84089d21fd1b: Already exists 84089d21fd1b: Already exists 12e4a134e9bd: Already exists 66d915a9deb4: Already exists f5152eee31cf: Already exists 73b5be887d12: Already exists 4f4fb700ef54: Already exists af6c5d047451: Already exists e8d56734fe9f: Already exists 95a8f02aed80: Already exists 2fbb14590585: Already exists 78b0de561201: Already exists 6df73f10635d: Already exists 5baa9b3ae410: Already exists d0779cc00790: Already exists 7576666feee1: Already exists 90e2f12ac078: Already exists b7afb6b42091: Already exists 18abf9960b7f: Already exists 5832f9f4ff65: Already exists 4a54ac4d04bd: Already exists a2614a61f4a0: Already exists a11ce7714f98: Already exists c49ad178b5eb: Already exists d8925871c7c3: Already exists e4d726036416: Already exists a98aaffa2609: Already exists 0a58ced06117: Already exists c1b365423a58: Already exists 4faa3555e6e8: Already exists 97f21183d5c2: Already exists c1e290562c27: Already exists Digest: sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd Status: Downloaded newer image for ocaml/opam@sha256:00cac3fb20c060592235e9526d0596eb46834b5f3fd66defd071a0ebe49318dd 2025-12-15 23:19.34 ---> using "7ce17c267a86e0a70384cef463c12263b6057c7887bf91e8682003fa7f1f4cae" from cache /: (comment ubuntu-25.10-5.4_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")) 2025-12-15 23:19.34 ---> using "62ff11eeca3e98b6d42a3987a1596eab3f1bd938061e02bbf513c62edbcc959e" 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 2025-12-15 23:19.34 ---> using "9e37b16a9f48a5dada7fa95946e927fa1493f4176c615bd0230f84d5b0f21b35" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-85-generic The OCaml toplevel, version 5.4.0 2.4.1 2025-12-15 23:19.34 ---> using "fca952ef4ba6f6309827ff592e6a2c8a4414959da64a250e4c1e961997483c42" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-12-15 23:19.34 ---> using "6bcdcfcce238acca0a55f8d5d2ee40b15fcf4ce28c61c6262f7b7ead8db42b7d" 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_HEAD 2ec6d6cc92..c65fcb1165 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) 2025-12-15 23:19.34 ---> using "8fcf98378cde4feded1edcf70fcdd186f33d1fdaf0d278bfb11d923cc529ea5f" 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 ./)) 2025-12-15 23:19.35 ---> saved as "f605103b29d47183da105d1f5c19c2d13f9305d988f3bed07f490bde2ae643b3" /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) lwt_ppx__ppx_let_tests is now pinned to file:///src (version dev) [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.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) 2025-12-15 23:19.58 ---> saved as "e963746e4046330f0a72c0bcec781c6c454b9104be46c43d3321d7b424f2a556" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-12-15 23:19.59 ---> saved as "e485ce4951bbe6cb1b7ef238460d0c68ab861d4f63c0308d37bd0ecc1cddad1a" /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/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB] - Get:2 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [107 kB] - Get:3 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [89.3 kB] - Get:4 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [133 kB] - Hit:5 http://archive.ubuntu.com/ubuntu questing InRelease - Get:6 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB] - Get:7 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB] - Get:8 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [132 kB] - Get:9 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [109 kB] - Get:10 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [252 kB] - Fetched 1226 kB in 1s (1323 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 5.4.0). [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). 2025-12-15 23:20.24 ---> saved as "68416bdf862bbe63a64d8c221ab50221b0527c9f76084f2b7f7a98bc43ee0fbf" /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 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 csexp.1.5.2 -> installed ocaml_intrinsics_kernel.v0.17.1 -> 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) 2025-12-15 23:23.44 ---> saved as "49a76707a82b255a1f9cb2052b22d4759d3e2fd4d133e58b0015cb83ffb08f08" /src: (copy (src .) (dst /src)) 2025-12-15 23:23.45 ---> saved as "20519c1063a7882950bab935e70acfd908c1d9a894de821104cf873879b6375e" /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 0.00 seconds (cd _build/default/test/core && ./main.exe) Testing library 'core'... ...............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS.................................................................................................................................................. Ok. 705 tests ran, 23 tests skipped in 0.48 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/ppx && ./main.exe) Testing library 'ppx'... ................ Ok. 16 tests ran, 0 tests skipped in 1.21 seconds (cd _build/default/test/unix && ./main.exe) Testing library 'unix'... .................................S..S......SSS.......................................................................................................................SSSS.................................................................. Ok. 226 tests ran, 9 tests skipped in 6.36 seconds 2025-12-15 23:24.00 ---> saved as "19482711d2cc58b883e8d85b657cbfee85510a41d221dcb6b3b8f8b0aeb5664d" Job succeeded 2025-12-15 23:24.00: Job succeeded