2026-03-16 20:36.11: New job: test ocaml-multicore/picos https://github.com/ocaml-multicore/picos.git#refs/heads/main (aef7c03874104b2604ffe4e9c764f44328374907) (windows-x86_64:windows-server-mingw-ltsc2025-5.4_opam-2.5)Base: ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/picos.git" -b "main" && cd "picos" && git reset --hard aef7c038cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869# windows-server-mingw-ltsc2025-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f /usr/local/bin/opam-2.5 /usr/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN cd ~/opam-repository && (git cat-file -e 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 picos_std.opam picos_mux.opam picos_meta.opam picos_lwt.opam picos_io_cohttp.opam picos_io.opam picos_aux.opam picos.opam /cygwin64/home/opam/src/./RUN opam pin add -yn picos_std.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos_mux.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos_meta.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos_lwt.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos_io_cohttp.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos_io.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos_aux.dev '/cygwin64/home/opam/src/./' && \opam pin add -yn picos.dev '/cygwin64/home/opam/src/./'RUN echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'ENV DEPS="alcotest.1.9.1 angstrom.0.16.1 arch-x86_64.1 astring.0.8.5 backoff.0.1.1 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 base64.3.5.2 bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 conf-mingw-w64-gcc-x86_64.1 containers.3.18 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain-name.0.5.0 domain_shims.0.1.0 dscheck.0.5.0 dune.3.21.1 dune-configurator.3.21.1 either.1.0.0 flexdll.0.44 fmt.0.11.0 gen.1.1 host-arch-x86_64.1 host-system-mingw.1 http.6.2.1 ipaddr.5.6.2 js_of_ocaml.6.3.2 js_of_ocaml-compiler.6.3.2 logs.0.10.0 lwt.6.1.1 macaddr.5.6.2 mdx.2.5.1 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 mingw-w64-shims.0.2.0 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 multicore-magic-dscheck.2.3.2 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-env-mingw64.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 oseq.0.5.1 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 psq.0.2.1 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 system-mingw.1 thread-local-storage.0.2 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 yojson.3.0.0"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y picos_std.dev picos_mux.dev picos_meta.dev picos_lwt.dev picos_io_cohttp.dev picos_io.dev picos_aux.dev picos.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /cygwin64/home/opam/srcRUN cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-03-16 20:36.11: Using cache hint "ocaml-multicore/picos-ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869-windows-server-mingw-ltsc2025-5.4_opam-2.5-6d06dceb866310b57dcf1122b45cd1f7"2026-03-16 20:36.11: Using OBuilder spec:((from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869)(comment windows-server-mingw-ltsc2025-5.4_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(run (shell "ln -f /usr/local/bin/opam-2.5 /usr/local/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))(network host)(shell "cd ~/opam-repository && (git cat-file -e 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src picos_std.opam picos_mux.opam picos_meta.opam picos_lwt.opam picos_io_cohttp.opam picos_io.opam picos_aux.opam picos.opam)(dst /cygwin64/home/opam/src/./))(run (network host)(shell "opam pin add -yn picos_std.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_mux.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_meta.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_lwt.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_io_cohttp.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_io.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_aux.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos.dev '/cygwin64/home/opam/src/./'"))(run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'"))(env DEPS "alcotest.1.9.1 angstrom.0.16.1 arch-x86_64.1 astring.0.8.5 backoff.0.1.1 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 base64.3.5.2 bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 conf-mingw-w64-gcc-x86_64.1 containers.3.18 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain-name.0.5.0 domain_shims.0.1.0 dscheck.0.5.0 dune.3.21.1 dune-configurator.3.21.1 either.1.0.0 flexdll.0.44 fmt.0.11.0 gen.1.1 host-arch-x86_64.1 host-system-mingw.1 http.6.2.1 ipaddr.5.6.2 js_of_ocaml.6.3.2 js_of_ocaml-compiler.6.3.2 logs.0.10.0 lwt.6.1.1 macaddr.5.6.2 mdx.2.5.1 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 mingw-w64-shims.0.2.0 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 multicore-magic-dscheck.2.3.2 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-env-mingw64.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 oseq.0.5.1 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 psq.0.2.1 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 system-mingw.1 thread-local-storage.0.2 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 yojson.3.0.0")(env CI true)(env OCAMLCI true)(run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y picos_std.dev picos_mux.dev picos_meta.dev picos_lwt.dev picos_io_cohttp.dev picos_io.dev picos_aux.dev picos.dev $DEPS"))(run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))(network host)(shell "opam install $DEPS"))(copy (src .) (dst /cygwin64/home/opam/src))(run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-03-16 20:36.11: Waiting for resource in pool OCluster2026-03-16 20:36.12: Waiting for worker…2026-03-17 07:04.48: Got resource from pool OClusterBuilding on ltsc2025-2Initialized empty Git repository in C:/state/git/picos.git-aad8bf0a27a56b66e0c97c8f866eb96d5bbe54e9/.git/HEAD is now at aef7c03 Upgrade to `multicore-magic` 2.3.2(from ocaml/opam:windows-server-mingw-ltsc2025-ocaml-5.4@sha256:fedecf8e7810af08d566e6e877bd4ed7ad4c107b8cc32164f71632fffceb8869)2026-03-17 07:05.21 ---> using "a21c3d6a5c8ade59b5718498d4946f2d30bc2f15b3081890bc8673cc20de69f7" from cacheC:/: (comment windows-server-mingw-ltsc2025-5.4_opam-2.5)C:/: (user (uid 1000) (gid 1000))C:/: (env CLICOLOR_FORCE 1)C:/: (env OPAMCOLOR always)C:/: (run (shell "ln -f /usr/local/bin/opam-2.5 /usr/local/bin/opam"))2026-03-17 07:05.21 ---> using "ba707ce1f62b585e8ecb40306d921206316b14fded440e6c49f33aa7897cc9c7" from cacheC:/: (run (shell "opam init --reinit -ni"))No configuration file found, using built-in defaults.<><> Unix support infrastructure ><><><><><><><><><><><><><><><><><><><><><><><>opam and the OCaml ecosystem in general require various Unix tools in order to operate correctly. At present, this requires the installation of Cygwin to provide these tools.How should opam obtain Unix tools?> 1. Use tools found in PATH (Cygwin installation at C:\cygwin64)2. Automatically create an internal Cygwin installation that will be managed by opam (recommended)3. Use Cygwin installation found in C:\cygwin644. Use another existing Cygwin/MSYS2 installation5. Abort initialisation[1/2/3/4/5] 1Checking 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.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-03-17 07:05.21 ---> using "dd67e9cc18682a923590cd564dd7cd6177b4afe1c25b1d53bacf8ae6b5b2364f" from cacheC:/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))CYGWIN_NT-10.0-26100 3.6.6-1.x86_64The OCaml toplevel, version 5.4.02.5.02026-03-17 07:05.21 ---> using "c97059ecb6d76caa6ea35cf8e41cecaa775dc323c43ea7e5cc23418742ce7876" from cacheC:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))(network host)(shell "cd ~/opam-repository && (git cat-file -e 31462e7d24da1419f9eb9099a0b60ea507d91ef6 || git fetch origin master) && git reset -q --hard 31462e7d24da1419f9eb9099a0b60ea507d91ef6 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADb820e8c25e..4f056bfedf master -> origin/master31462e7d24 Merge pull request #29451 from dra27/relocatable-package<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file://C:/cygwin64/home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).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)2026-03-17 07:05.21 ---> using "1b81f11f575eeaf200e3e6dbb7392a19e307927c624f4b3a8d72555478e94cd4" from cacheC:/: (copy (src picos_std.opam picos_mux.opam picos_meta.opam picos_lwt.opam picos_io_cohttp.opam picos_io.opam picos_aux.opam picos.opam)(dst /cygwin64/home/opam/src/./))2026-03-17 07:07.41 ---> saved as "17b682b4edefed3d81ac9a57f874483f1da4cc3112546fafdad9d164cdbb116e"C:/: (run (network host)(shell "opam pin add -yn picos_std.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_mux.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_meta.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_lwt.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_io_cohttp.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_io.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos_aux.dev '/cygwin64/home/opam/src/./' && \\nopam pin add -yn picos.dev '/cygwin64/home/opam/src/./'"))[picos_std.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_std is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos_mux.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_mux is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos_meta.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_meta is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos_lwt.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_lwt is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos_io_cohttp.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_io_cohttp is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos_io.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_io is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos_aux.dev] synchronised (file://C:/cygwin64/home/opam/src)picos_aux is now pinned to file://C:/cygwin64/home/opam/src (version dev)[picos.dev] synchronised (file://C:/cygwin64/home/opam/src)picos is now pinned to file://C:/cygwin64/home/opam/src (version dev)2026-03-17 07:09.33 ---> saved as "daf6685522ae2fceb81553bf76a1fef00a31b22ec49467f7659f5d028a1d5822"C:/: (run (shell "echo '(lang dune 3.0)' > '/home/opam/src/./dune-project'"))2026-03-17 07:11.17 ---> saved as "9865751a6e425b9fddc9f077d7f2fcc489ee010610ab9b6c3123095e1b4e84d7"C:/: (env DEPS "alcotest.1.9.1 angstrom.0.16.1 arch-x86_64.1 astring.0.8.5 backoff.0.1.1 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 base64.3.5.2 bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cohttp.6.2.1 cohttp-lwt.6.2.1 conf-mingw-w64-gcc-x86_64.1 containers.3.18 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain-name.0.5.0 domain_shims.0.1.0 dscheck.0.5.0 dune.3.21.1 dune-configurator.3.21.1 either.1.0.0 flexdll.0.44 fmt.0.11.0 gen.1.1 host-arch-x86_64.1 host-system-mingw.1 http.6.2.1 ipaddr.5.6.2 js_of_ocaml.6.3.2 js_of_ocaml-compiler.6.3.2 logs.0.10.0 lwt.6.1.1 macaddr.5.6.2 mdx.2.5.1 menhir.20260209 menhirCST.20260209 menhirGLR.20260209 menhirLib.20260209 menhirSdk.20260209 mingw-w64-shims.0.2.0 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 multicore-magic-dscheck.2.3.2 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-env-mingw64.1 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.0.3 ocaml_intrinsics_kernel.v0.17.1 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 oseq.0.5.1 ppx_derivers.1.2.1 ppx_sexp_conv.v0.17.1 ppxlib.0.37.0 ppxlib_jane.v0.17.4 psq.0.2.1 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 sedlex.3.7 seq.base sexplib0.v0.17.0 stdlib-shims.0.3.0 stringext.1.6.0 system-mingw.1 thread-local-storage.0.2 thread-table.1.0.0 topkg.1.1.1 tsort.2.2.0 uri.4.4.0 uri-sexp.4.4.0 uutf.1.0.4 yojson.3.0.0")C:/: (env CI true)C:/: (env OCAMLCI true)C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y picos_std.dev picos_mux.dev picos_meta.dev picos_lwt.dev picos_io_cohttp.dev picos_io.dev picos_aux.dev picos.dev $DEPS"))<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[picos.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_aux.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_io.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_io_cohttp.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_lwt.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_meta.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_mux.dev] synchronised (file://C:/cygwin64/home/opam/src)[picos_std.dev] synchronised (file://C:/cygwin64/home/opam/src)[NOTE] Package system-mingw is already installed (current version is 1).[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-env-mingw64 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 mingw-w64-shims is already installed (current version is 0.2.0).[NOTE] Package host-system-mingw is already installed (current version is 1).[NOTE] Package host-arch-x86_64 is already installed (current version is 1).[NOTE] Package flexdll is already installed (current version is 0.44).[NOTE] Package conf-mingw-w64-gcc-x86_64 is already installed (current version is 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).[NOTE] Package arch-x86_64 is already installed (current version is 1).# To update the current shell environment, run: eval $(opam env)2026-03-17 07:13.01 ---> saved as "81fa7012050dea931ebdc7b608c663c46f6d0e84b7ae0db6f5f08721407f0196"C:/: (run (cache (opam-archives (target "c:\\opam\\.opam\\download-cache")))(network host)(shell "opam install $DEPS"))[NOTE] Package system-mingw is already installed (current version is 1).[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-env-mingw64 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 mingw-w64-shims is already installed (current version is 0.2.0).[NOTE] Package host-system-mingw is already installed (current version is 1).[NOTE] Package host-arch-x86_64 is already installed (current version is 1).[NOTE] Package flexdll is already installed (current version is 0.44).[NOTE] Package conf-mingw-w64-gcc-x86_64 is already installed (current version is 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).[NOTE] Package arch-x86_64 is already installed (current version is 1).The following actions will be performed:=== install 72 packages- install alcotest 1.9.1- install angstrom 0.16.1- install astring 0.8.5- install backoff 0.1.1- install base v0.17.3- install base-bytes base- install base64 3.5.2- install bigstringaf 0.10.0- install camlp-streams 5.0.1- install cmdliner 2.1.0- install cohttp 6.2.1- install cohttp-lwt 6.2.1- install containers 3.18- install cppo 1.8.0- install csexp 1.5.2- install domain-local-await 1.0.1- install domain-name 0.5.0- install domain_shims 0.1.0- install dscheck 0.5.0- install dune 3.21.1- install dune-configurator 3.21.1- install either 1.0.0- install fmt 0.11.0- install gen 1.1- install http 6.2.1- install ipaddr 5.6.2- install js_of_ocaml 6.3.2- install js_of_ocaml-compiler 6.3.2- install logs 0.10.0- install lwt 6.1.1- install macaddr 5.6.2- install mdx 2.5.1- install menhir 20260209- install menhirCST 20260209- install menhirGLR 20260209- install menhirLib 20260209- install menhirSdk 20260209- install mtime 2.1.0- install multicore-bench 0.1.7- install multicore-magic 2.3.2- install multicore-magic-dscheck 2.3.2- install ocaml-compiler-libs v0.17.0- install ocaml-syntax-shims 1.0.0- install ocaml-version 4.0.3- install ocaml_intrinsics_kernel v0.17.1- install ocamlbuild 0.16.1- install ocamlfind 1.9.8- install ocplib-endian 1.2- install oseq 0.5.1- install ppx_derivers 1.2.1- install ppx_sexp_conv v0.17.1- install ppxlib 0.37.0- install ppxlib_jane v0.17.4- install psq 0.2.1- install qcheck-core 0.91- install qcheck-multicoretests-util 0.10- install qcheck-stm 0.10- install re 1.14.0- install result 1.5- install sedlex 3.7- install seq base- install sexplib0 v0.17.0- install stdlib-shims 0.3.0- install stringext 1.6.0- install thread-local-storage 0.2- install thread-table 1.0.0- install topkg 1.1.1- install tsort 2.2.0- install uri 4.4.0- install uri-sexp 4.4.0- install uutf 1.0.4- install yojson 3.0.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved alcotest.1.9.1 (cached)-> retrieved angstrom.0.16.1 (cached)-> retrieved astring.0.8.5 (cached)-> retrieved backoff.0.1.1 (cached)-> retrieved base64.3.5.2 (cached)-> retrieved base.v0.17.3 (cached)-> retrieved bigstringaf.0.10.0 (cached)-> retrieved camlp-streams.5.0.1 (cached)-> retrieved cmdliner.2.1.0 (cached)-> retrieved cohttp.6.2.1, cohttp-lwt.6.2.1, http.6.2.1 (cached)-> retrieved containers.3.18 (cached)-> retrieved cppo.1.8.0 (cached)-> retrieved csexp.1.5.2 (cached)-> retrieved domain-local-await.1.0.1 (cached)-> retrieved domain-name.0.5.0 (cached)-> retrieved dscheck.0.5.0 (cached)-> retrieved either.1.0.0 (cached)-> retrieved domain_shims.0.1.0 (https://gitlab.com/gasche/domain-shims/-/archive/0.1.0/domain-shims-0.1.0.tar.gz)-> retrieved fmt.0.11.0 (cached)-> retrieved gen.1.1 (cached)-> retrieved ipaddr.5.6.2, macaddr.5.6.2 (cached)-> retrieved logs.0.10.0 (cached)-> retrieved lwt.6.1.1 (cached)-> retrieved mdx.2.5.1 (cached)-> retrieved menhir.20260209, menhirCST.20260209, menhirGLR.20260209, menhirLib.20260209, menhirSdk.20260209 (cached)-> retrieved dune.3.21.1, dune-configurator.3.21.1 (cached)-> retrieved js_of_ocaml.6.3.2, js_of_ocaml-compiler.6.3.2 (cached)-> retrieved mtime.2.1.0 (cached)-> retrieved multicore-magic.2.3.2, multicore-magic-dscheck.2.3.2 (cached)-> retrieved multicore-bench.0.1.7 (https://github.com/ocaml-multicore/multicore-bench/releases/download/0.1.7/multicore-bench-0.1.7.tbz)-> retrieved ocaml-compiler-libs.v0.17.0 (cached)-> retrieved ocaml-syntax-shims.1.0.0 (cached)-> retrieved ocaml-version.4.0.3 (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 oseq.0.5.1 (cached)-> retrieved ppx_derivers.1.2.1 (cached)-> retrieved ppx_sexp_conv.v0.17.1 (cached)-> retrieved ppxlib.0.37.0 (cached)-> retrieved ppxlib_jane.v0.17.4 (cached)-> retrieved psq.0.2.1 (cached)-> retrieved qcheck-core.0.91 (cached)-> retrieved re.1.14.0 (cached)-> retrieved qcheck-multicoretests-util.0.10, qcheck-stm.0.10 (https://github.com/ocaml-multicore/multicoretests/archive/refs/tags/0.10.tar.gz)-> retrieved seq.base (cached)-> installed seq.base-> retrieved result.1.5 (cached)-> retrieved sedlex.3.7 (cached)-> retrieved sexplib0.v0.17.0 (cached)-> retrieved stdlib-shims.0.3.0 (cached)-> retrieved stringext.1.6.0 (cached)-> retrieved thread-local-storage.0.2 (cached)-> retrieved thread-table.1.0.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved tsort.2.2.0 (cached)-> retrieved uri.4.4.0, uri-sexp.4.4.0 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved yojson.3.0.0 (cached)-> installed cmdliner.2.1.0[WARNING] .install file is missing .exe extension for src/findlib/ocamlfind[WARNING] .install file is missing .exe extension for src/findlib/ocamlfind_opt[WARNING] Automatically adding .exe to C:\opam\.opam\5.4\.opam-switch\build\ocamlfind.1.9.8\src\findlib\ocamlfind.exe[WARNING] Automatically adding .exe to C:\opam\.opam\5.4\.opam-switch\build\ocamlfind.1.9.8\src\findlib\ocamlfind_opt.exe[WARNING] C:\opam\.opam\5.4\bin\safe_camlp4 is a script; the command won't be available-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed dune.3.21.1-> installed backoff.0.1.1-> installed base64.3.5.2-> installed camlp-streams.5.0.1-> installed cppo.1.8.0-> installed csexp.1.5.2-> installed domain-name.0.5.0-> installed domain_shims.0.1.0-> installed either.1.0.0-> installed gen.1.1-> installed http.6.2.1-> installed macaddr.5.6.2-> installed menhirCST.20260209-> installed menhirGLR.20260209-> installed menhirLib.20260209-> installed menhirSdk.20260209-> installed multicore-magic.2.3.2-> installed ocaml-compiler-libs.v0.17.0-> installed ipaddr.5.6.2-> installed ocaml-syntax-shims.1.0.0-> installed ocaml-version.4.0.3-> installed dune-configurator.3.21.1-> installed ocaml_intrinsics_kernel.v0.17.1-> installed ocamlbuild.0.16.1-> installed ocplib-endian.1.2-> installed oseq.0.5.1-> installed ppx_derivers.1.2.1-> installed psq.0.2.1-> installed qcheck-core.0.91-> installed re.1.14.0-> installed bigstringaf.0.10.0-> installed result.1.5-> installed qcheck-multicoretests-util.0.10-> installed sexplib0.v0.17.0-> installed stdlib-shims.0.3.0-> installed stringext.1.6.0-> installed thread-local-storage.0.2-> installed thread-table.1.0.0-> installed tsort.2.2.0-> installed yojson.3.0.0-> installed containers.3.18-> installed angstrom.0.16.1-> installed domain-local-await.1.0.1-> installed qcheck-stm.0.10-> installed dscheck.0.5.0-> installed uri.4.4.0-> installed multicore-magic-dscheck.2.3.2-> installed menhir.20260209-> installed lwt.6.1.1-> installed topkg.1.1.1-> installed base.v0.17.3-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed ppxlib.0.37.0-> installed astring.0.8.5-> installed mtime.2.1.0-> installed ppxlib_jane.v0.17.4-> installed multicore-bench.0.1.7-> installed alcotest.1.9.1-> installed sedlex.3.7-> installed ppx_sexp_conv.v0.17.1-> installed uri-sexp.4.4.0-> installed js_of_ocaml-compiler.6.3.2-> installed logs.0.10.0-> installed js_of_ocaml.6.3.2-> installed mdx.2.5.1-> installed cohttp.6.2.1-> installed cohttp-lwt.6.2.1Done.# To update the current shell environment, run: eval $(opam env)2026-03-17 07:50.42 ---> saved as "e1dda704766157a4fbef6cadf266d6970a3919d0fb78f86ddbffb533d842a31a"C:/: (copy (src .) (dst /cygwin64/home/opam/src))2026-03-17 08:01.18 ---> saved as "9826e08ad64099b537f025abf295133696c288e5f810690849d384a690e4c880"C:/: (run (shell "cd /home/opam/src && opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default/test && .\test_picos_dscheck.exe)Testing `Picos DSCheck'.This run has ID `HO0F4WZX'.[OK] Trigger 0 basic contract.[OK] Computation 0 basic contract.[OK] Computation 1 removes triggers.Full test results in `~\src\_build\default\test\_build\_tests\HO0F4WZX'.Test Successful in 1.660s. 3 tests run.(cd _build/default/test && .\test_mpmcq_dscheck.exe)Testing `Picos_mpmcq DSCheck'.This run has ID `DUPWOTAS'.[OK] Multiple pushes and pops 0Full test results in `~\src\_build\default\test\_build\_tests\DUPWOTAS'.Test Successful in 4.870s. 1 test run.(cd _build/default/test && .\test_io_with_lwt.exe)Testing `Picos_io_with_lwt'.This run has ID `ZUK695U8'.Full test results in `~\src\_build\default\test\_build\_tests\ZUK695U8'.Test Successful in 0.000s. 0 test run.(cd _build/default/test && .\test_finally.exe)Testing `Picos_finally'.This run has ID `XP3YSZK1'.[OK] move 0 is lazy.[OK] borrow 0 returns resource.Full test results in `~\src\_build\default\test\_build\_tests\XP3YSZK1'.Test Successful in 0.026s. 2 tests run.(cd _build/default/test && .\test_lwt_unix.exe)Testing `Picos_lwt'.This run has ID `1UEPVIAH'.[OK] Basics 0Full test results in `~\src\_build\default\test\_build\_tests\1UEPVIAH'.Test Successful in 0.071s. 1 test run.(cd _build/default/test && .\test_select.exe)Testing `Picos_select'.This run has ID `U31R4F0Q'.Full test results in `~\src\_build\default\test\_build\_tests\U31R4F0Q'.Test Successful in 0.000s. 0 test run.(cd _build/default/test && .\test_server_and_client.exe)Using non-blocking sockets and fibers on OCaml 5:Looping server runningServer listeningServer acceptingClient B runningClient A runningClient B connectedServer accepted clientClient B wrote 100Client A connectedServer read 100Client A wrote 100Server wrote 50Server acceptingServer accepted clientServer read 100Server wrote 50Server acceptingClient B read 50Client A read 50Server and Client test: OK(cd _build/default/test && .\test_io.exe)Testing `Picos_io'.This run has ID `T8NLECGK'.[OK] Unix 0 openfile and read.[OK] Unix 1 sleepf.[OK] Unix 2 select empty timeout.[OK] Unix 3 select empty ∞.[OK] Unix 4 select.Full test results in `~\src\_build\default\test\_build\_tests\T8NLECGK'.Test Successful in 1.570s. 5 tests run.2026-03-17 08:04.48: Cancelling: Timeout (60.0 minutes)Job cancelled2026-03-17 08:04.49: Timeout (60.0 minutes)