2025-10-13 09:02.03: New job: test ocsigen/lwt https://github.com/ocsigen/lwt.git#refs/heads/lwt-6-runtime-events (300bfe071207dca80a00209bf1970fd2e62e912d) (linux-x86_64:debian-12-5.3_opam-2.4) Base: ocaml/opam:debian-12-ocaml-5.3@sha256:8e0888619dc79814cbe46d699b6d2c892a29cfb3a27b60c684404370a72494f5 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocsigen/lwt.git" -b "lwt-6-runtime-events" && cd "lwt" && git reset --hard 300bfe07 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-12-ocaml-5.3@sha256:8e0888619dc79814cbe46d699b6d2c892a29cfb3a27b60c684404370a72494f5 # debian-12-5.3_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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 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_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 domain_shims.0.1.0 dune.3.20.2 dune-configurator.3.20.2 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 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.0.37.0~5.4preview react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.4 --depext-only -y 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 2025-10-13 09:02.03: Using cache hint "ocsigen/lwt-ocaml/opam:debian-12-ocaml-5.3@sha256:8e0888619dc79814cbe46d699b6d2c892a29cfb3a27b60c684404370a72494f5-debian-12-5.3_opam-2.4-e618d89379ddca8d4842351915af410d" 2025-10-13 09:02.03: Using OBuilder spec: ((from ocaml/opam:debian-12-ocaml-5.3@sha256:8e0888619dc79814cbe46d699b6d2c892a29cfb3a27b60c684404370a72494f5) (comment debian-12-5.3_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 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src 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_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 domain_shims.0.1.0 dune.3.20.2 dune-configurator.3.20.2 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 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.0.37.0~5.4preview react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0") (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_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")) ) 2025-10-13 09:02.03: Waiting for resource in pool OCluster 2025-10-13 09:02.03: Waiting for worker… 2025-10-13 09:03.00: Got resource from pool OCluster Building on bremusa.ocamllabs.io All commits already cached HEAD is now at 300bfe071 demoing stall detector (from ocaml/opam:debian-12-ocaml-5.3@sha256:8e0888619dc79814cbe46d699b6d2c892a29cfb3a27b60c684404370a72494f5) 2025-10-13 09:03.00 ---> using "945dc9ad18c8ce1aeb65407f2acb74114176a5aeded4c0e905782bf62176e526" from cache /: (comment debian-12-5.3_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")) 2025-10-13 09:03.00 ---> using "eaa501fb8e8cba676ada6f00888fd8cdf728e3085b0ca7687259f4666175f50d" 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 2025-10-13 09:03.00 ---> using "7ab064b89b73bda69bbe82075ae9e7e60bcd1ce5b9bf2182471d23264847c046" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-84-generic The OCaml toplevel, version 5.3.0 2.4.1 2025-10-13 09:03.00 ---> using "5fc2770772c9b04c3649a620a2e52c94adfb0d37051128faafe49cfd312dcd73" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-10-13 09:03.00 ---> using "ea0e0ea789b3313d2512324f9cd520c48fc5ffa8cff1618759aa13b10895466c" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 6ef6813522b6ea29933f6451236a1639bdbaec61 || git fetch origin master) && git reset -q --hard 6ef6813522b6ea29933f6451236a1639bdbaec61 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD bcac5d1731..1abfcdbf14 master -> origin/master 6ef6813522 Merge pull request #28449 from dra27/ocaml-compiler-msvc <><> 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) 2025-10-13 09:03.00 ---> using "c488b609a8c3703fffaaea9dd36cf818d1bb6ec097fe406110707943acac9beb" from cache /src: (copy (src lwt_retry.opam lwt_react.opam lwt_ppx__ppx_let_tests.opam lwt_ppx.opam lwt_direct.opam lwt.opam) (dst ./)) 2025-10-13 09:03.00 ---> using "9c7dcdac401753070afaedbb24c40b6a87ee22dec428d91f10c1c9eb2a400516" from cache /src: (run (network host) (shell "opam 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_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) 2025-10-13 09:03.00 ---> using "d2a42b2ef3ddcd4f52807c82470e39861452debfe2b5bd12055c35fba8e5ca5b" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-10-13 09:03.00 ---> using "587cb518b9cfd59923aa40c9e6e40ea06140daf121ddd32e17097a092924dc34" 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 domain_shims.0.1.0 dune.3.20.2 dune-configurator.3.20.2 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 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.0.37.0~5.4preview react.1.2.2 sexplib0.v0.17.0 stdlib-shims.0.3.0 topkg.1.1.0") /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_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 bookworm InRelease - Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB] - Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB] - Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [281 kB] - Fetched 384 kB in 0s (1154 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) [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 5.3.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0). [NOTE] Package ocaml is already installed (current version is 5.3.0). [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). 2025-10-13 09:03.00 ---> using "ed128b1cdb6d3f9afadda3765e8516fa108226ee5ce3b4f714197b0c2bcf7c3e" 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 5.3.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.3.0). [NOTE] Package ocaml is already installed (current version is 5.3.0). [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 20 packages - install base v0.17.3 - install base-bytes base - install cppo 1.8.0 - install csexp 1.5.2 - install domain_shims 0.1.0 - 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 0.37.0~5.4preview - install react 1.2.2 - install sexplib0 v0.17.0 - install stdlib-shims 0.3.0 - install topkg 1.1.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved base.v0.17.3 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain_shims.0.1.0 (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 ppxlib.0.37.0~5.4preview (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.0 (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.1.1.0 -> installed react.1.2.2 -> installed dune.3.20.2 -> installed domain_shims.0.1.0 -> installed ppx_derivers.1.2.1 -> installed csexp.1.5.2 -> installed ocaml_intrinsics_kernel.v0.17.1 -> installed sexplib0.v0.17.0 -> installed ocaml-compiler-libs.v0.17.0 -> installed stdlib-shims.0.3.0 -> installed cppo.1.8.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.20.2 -> installed base.v0.17.3 -> installed ppxlib.0.37.0~5.4preview -> installed ppx_here.v0.17.0 -> installed ppx_let.v0.17.1 Done. # To update the current shell environment, run: eval $(opam env) 2025-10-13 09:03.00 ---> using "881ffddad4a8a97137e8c0f3a6fc2c2160c8ef5fefaf404b2794b8fe3fa9fa94" from cache /src: (copy (src .) (dst /src)) 2025-10-13 09:03.01 ---> saved as "1d504f332ec9b1eb7856c9b1f0317d8d61572ed3a02e9051ae1e6d3de02e06de" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /home/opam/.opam/5.3/bin/ocamlc.opt -w @1..3@5..28@31..39@43@46..47@49..57@61..62@67@69-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I test/stall_detection/.selfdetector.eobjs/byte -I /home/opam/.opam/5.3/lib/bytes -I /home/opam/.opam/5.3/lib/domain_shims -I /home/opam/.opam/5.3/lib/ocaml/runtime_events -I /home/opam/.opam/5.3/lib/ocaml/threads -I /home/opam/.opam/5.3/lib/ocaml/unix -I /home/opam/.opam/5.3/lib/ocplib-endian -I /home/opam/.opam/5.3/lib/ocplib-endian/bigstring -I src/core/.lwt.objs/byte -I src/unix/.lwt_unix.objs/byte -cmi-file test/stall_detection/.selfdetector.eobjs/byte/dune__exe__Selfdetector.cmi -no-alias-deps -opaque -o test/stall_detection/.selfdetector.eobjs/byte/dune__exe__Selfdetector.cmo -c -impl test/stall_detection/selfdetector.ml) File "test/stall_detection/selfdetector.ml", line 21, characters 12-34: 21 | | Lwt_main.Scheduler_lap -> ^^^^^^^^^^^^^^^^^^^^^^ Error: Unbound constructor Lwt_main.Scheduler_lap (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/multidomain && ./unixpipe.exe) unixpipe: ✓ (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/multidomain && ./preempting.exe) preempting: ✓ (cd _build/default/test/multidomain && ./movingpromises.exe) moving-promises: ✓ (cd _build/default/test/multidomain && ./basic.exe) basic: ✓ (cd _build/default/test/multidomain && ./domainworkers.exe) domain-workers: ✓ (cd _build/default/test/core && ./main.exe) Testing library 'core'... .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................SSSSSSSSSSSSSSSSSSSSSSS.................................................................................................................................................. Ok. 697 tests ran, 23 tests skipped in 0.27 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'... .............................................................................SSSS.......................................... Ok. 119 tests ran, 4 tests skipped in 6.01 seconds "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2025-10-13 09:03.16: Job failed: Failed: Build failed