2026-01-12 14:12.44: New job: test ocaml-multicore/effects-examples https://github.com/ocaml-multicore/effects-examples.git#refs/heads/master (8a7e80dd29e68e2d05fe4b0399c8535a51f36395) (linux-x86_64:fedora-43-5.4_opam-2.5) Base: ocaml/opam:fedora-43-ocaml-5.4@sha256:51857b77e14453184f8e7d44a9a7171bcfa8c2affcfc6df48a5bb08522abc6a2 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/effects-examples.git" -b "master" && cd "effects-examples" && git reset --hard 8a7e80dd cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:fedora-43-ocaml-5.4@sha256:51857b77e14453184f8e7d44a9a7171bcfa8c2affcfc6df48a5bb08522abc6a2 # fedora-43-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo dnf install -y findutils 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 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 || git fetch origin master) && git reset -q --hard 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 effects-examples.opam ./ RUN opam pin add -yn effects-examples.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="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 lwt.6.0.0 multicont.1.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlfind.1.9.8 ocplib-endian.1.2" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y effects-examples.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 2026-01-12 14:12.44: Using cache hint "ocaml-multicore/effects-examples-ocaml/opam:fedora-43-ocaml-5.4@sha256:51857b77e14453184f8e7d44a9a7171bcfa8c2affcfc6df48a5bb08522abc6a2-fedora-43-5.4_opam-2.5-3c40eed6e97307e7ea0e83d7ef25a649" 2026-01-12 14:12.44: Using OBuilder spec: ((from ocaml/opam:fedora-43-ocaml-5.4@sha256:51857b77e14453184f8e7d44a9a7171bcfa8c2affcfc6df48a5bb08522abc6a2) (comment fedora-43-5.4_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (network host) (shell "sudo dnf install -y findutils")) (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 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 || git fetch origin master) && git reset -q --hard 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src effects-examples.opam) (dst ./)) (run (network host) (shell "opam pin add -yn effects-examples.dev './'")) (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "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 lwt.6.0.0 multicont.1.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlfind.1.9.8 ocplib-endian.1.2") (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 effects-examples.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")) ) 2026-01-12 14:12.44: Waiting for resource in pool OCluster 2026-01-13 20:35.25: Waiting for worker… 2026-01-13 20:40.00: Got resource from pool OCluster Building on laodoke.caelum.ci.dev All commits already cached HEAD is now at 8a7e80d Merge pull request #44 from ocaml-multicore/multicont-1.0.3 (from ocaml/opam:fedora-43-ocaml-5.4@sha256:51857b77e14453184f8e7d44a9a7171bcfa8c2affcfc6df48a5bb08522abc6a2) 2026-01-13 20:40.00 ---> using "71487916328e2521e9b3eace51b2d612b3cb065793b43d1600de6f3b03cd399e" from cache /: (comment fedora-43-5.4_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (network host) (shell "sudo dnf install -y findutils")) Updating and loading repositories: Fedora 43 - x86_64 100% | 48.0 KiB/s | 22.4 KiB | 00m00s Fedora 43 openh264 (From Cisco) - x86_ 100% | 3.2 KiB/s | 986.0 B | 00m00s Fedora 43 - x86_64 - Updates 100% | 115.1 KiB/s | 21.8 KiB | 00m00s Repositories loaded. Package "findutils-1:4.10.0-6.fc43.x86_64" is already installed. Nothing to do. 2026-01-13 20:40.00 ---> using "0b34afd4e3087d469b73a6367d196bb2e8240ba8587cb3dff0225a61fbc4d704" from cache /src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam")) 2026-01-13 20:40.00 ---> using "cda57de870a0fb8a1b2aae3460ee81a914a60dde9ae3de8901b78ed905770b52" 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 2026-01-13 20:40.00 ---> using "fff8ea5001be0d93f319380baf4ac13ad247643d070b0ee435a4260a4ed83eae" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-90-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-01-13 20:40.00 ---> using "ec068aa0d3f8f59972847d7b6d8a63a2103209f4fc3ff6b4ca6d36fbe9c62033" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-01-13 20:40.00 ---> using "15fb57da25d3835d29238de7432d19d2c06a159c23571da32ce6aec7d9aa4aba" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 || git fetch origin master) && git reset -q --hard 7d22a58614c38be74d79ae6ef2b64994ca4ffef0 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ee48e882f0..df0b753b90 master -> origin/master 7d22a58614 Merge pull request #29184 from raphael-proust/opam-publish-lwt.6.0.0 <><> 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) 2026-01-13 20:40.00 ---> using "fa0c787e372dad911a55394bb0dbc083c7aea2ed0dc5fef63f7a8298162ca7ed" from cache /src: (copy (src effects-examples.opam) (dst ./)) 2026-01-13 20:40.00 ---> saved as "20cb41c8b325ebc4ff1039467df089d42171c716094e7d9afd05370cd93f8b91" /src: (run (network host) (shell "opam pin add -yn effects-examples.dev './'")) [NOTE] Package effects-examples does not exist in opam repositories registered in the current switch. [WARNING] Failed checks on effects-examples package definition from source at file:///src: warning 68: Missing field 'license' [effects-examples.dev] synchronised (file:///src) effects-examples is now pinned to file:///src (version dev) 2026-01-13 20:40.02 ---> saved as "c27ff8c49eee00a4e1e40210a39d6d47bdc332f01b81d6c8b5a4ef4ec7d79335" /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-01-13 20:40.02 ---> saved as "3a079aa6626b35981a9952809470e24a1990df386ca90dfe0a8b575ab2d4cf4c" /src: (env DEPS "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 lwt.6.0.0 multicont.1.0.3 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocamlfind.1.9.8 ocplib-endian.1.2") /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 effects-examples.dev $DEPS")) + /usr/sbin/sudo "yum" "makecache" - Updating and loading repositories: - Repositories loaded. - Metadata cache created. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [effects-examples.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). # To update the current shell environment, run: eval $(opam env) 2026-01-13 20:40.17 ---> saved as "d9b2b65ab15c4adcfd35e7e1af4dc463b2984ee068b725390e0f10182b30994e" /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 9 packages - 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 lwt 6.0.0 - install multicont 1.0.3 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved multicont.1.0.3 (cached) -> retrieved lwt.6.0.0 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved dune.3.20.2, dune-configurator.3.20.2 (cached) -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed dune.3.20.2 -> installed csexp.1.5.2 -> installed cppo.1.8.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.20.2 [ERROR] The compilation of multicont.1.0.3 failed at "dune build -p multicont -j 71 @install". -> installed lwt.6.0.0 #=== ERROR while compiling multicont.1.0.3 ====================================# # context 2.5.0 | linux/x86_64 | ocaml-base-compiler.5.4.0 | git+file:///home/opam/opam-repository # path ~/.opam/5.4/.opam-switch/build/multicont.1.0.3 # command ~/.opam/5.4/bin/dune build -p multicont -j 71 @install # exit-code 1 # env-file ~/.opam/log/multicont-1-880c04.env # output-file ~/.opam/log/multicont-1-880c04.out ### output ### # File "lib/dune", lines 1-14, characters 0-317: # 1 | (library # 2 | (name multicont) # 3 | (public_name multicont) # .... # 12 | (mode native) # 13 | (flags :standard (:include c_native_flags.sexp)) # 14 | (names multicont_stubs))) # (cd _build/default && /home/opam/.opam/5.4/bin/ocamlopt.opt -w -40 -g -shared -linkall -I lib -o lib/multicont.cmxs lib/multicont.cmxa) # /usr/sbin/ld: cannot find -lmulticont_stubs_native: No such file or directory # collect2: error: ld returned 1 exit status # File "caml_startup", line 1: # Error: Error during linking (exit code 1) <><> Error report <><><><><><><><><><><><><><><><><><><><><><><><><><><><><><><> +- The following actions failed | - build multicont 1.0.3 +- +- The following changes have been performed | - 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 lwt 6.0.0 | - install ocamlfind 1.9.8 | - install ocplib-endian 1.2 +- # To update the current shell environment, run: eval $(opam env) The former state can be restored with: /usr/bin/opam switch import "/home/opam/.opam/5.4/.opam-switch/backup/state-20260113204018.export" "/usr/bin/env" "bash" "-c" "opam install $DEPS" failed with exit status 31 2026-01-13 20:41.41: Job failed: Failed: Build failed