2026-04-16 16:38.19: New job: test ocaml-multicore/lwt_eio https://github.com/ocaml-multicore/lwt_eio.git#refs/heads/master (1fb0815d20827bc3e336b5410fbb0d49b36f5334) (linux-x86_64:opensuse-15.6-5.4_opam-2.5) Base: ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745 Opam project build To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/lwt_eio.git" -b "master" && cd "lwt_eio" && git reset --hard 1fb0815d cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745 # opensuse-15.6-5.4_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_eio.opam ./ RUN opam pin add -yn lwt_eio.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.2 dune-configurator.3.22.2 eio.1.3 eio_linux.1.3 eio_main.1.3 eio_posix.1.3 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 uring.2.7.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y lwt_eio.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 2026-04-16 16:38.19: Using cache hint "ocaml-multicore/lwt_eio-ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745-opensuse-15.6-5.4_opam-2.5-43c7cf53d6fa2e8b773af2deef825870" 2026-04-16 16:38.19: Using OBuilder spec: ((from ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745) (comment opensuse-15.6-5.4_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_eio.opam) (dst ./)) (run (network host) (shell "opam pin add -yn lwt_eio.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base bigstringaf.0.10.0 camlp-streams.5.0.1 cmdliner.2.1.0 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 domain-local-await.1.0.1 dune.3.22.2 dune-configurator.3.22.2 eio.1.3 eio_linux.1.3 eio_main.1.3 eio_posix.1.3 fmt.0.11.0 hmap.0.8.1 iomux.0.4 logs.0.10.0 lwt.6.1.1 lwt-dllist.1.1.0 mdx.2.5.2 mtime.2.1.0 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-options-vanilla.1 ocaml-version.4.0.4 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 psq.0.2.1 re.1.14.0 result.1.5 seq.base thread-table.1.0.0 topkg.1.1.1 uring.2.7.0") (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=2.5 --depext-only -y lwt_eio.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")) ) 2026-04-16 16:38.19: Waiting for resource in pool OCluster 2026-04-16 16:40.12: Waiting for worker… 2026-04-16 16:44.44: Got resource from pool OCluster Building on eumache.caelum.ci.dev All commits already cached HEAD is now at 1fb0815 Merge pull request #32 from talex5/release (from ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745) Unable to find image 'ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745' locally docker.io/ocaml/opam@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745: Pulling from ocaml/opam 2824220eb759: Pulling fs layer d6e0f6bf3ee8: Pulling fs layer 98ea95f8982c: Pulling fs layer 66c4e2d11417: Pulling fs layer 178bf13c4542: Pulling fs layer 3363b6690622: Pulling fs layer 2f360ed5ed1c: Pulling fs layer 0157dc55738d: Pulling fs layer adbd7b083662: Pulling fs layer 08da4b8ec306: Pulling fs layer 2d08af6962f0: Pulling fs layer d6e0f6bf3ee8: Download complete 0eb7579d9e49: Pulling fs layer 2f360ed5ed1c: Download complete 66c4e2d11417: Download complete adbd7b083662: Waiting a469e6a3633d: Pulling fs layer 178bf13c4542: Download complete 3363b6690622: Download complete 82c744fdb18a: Pulling fs layer 2d08af6962f0: Waiting 0eb7579d9e49: Waiting 08da4b8ec306: Waiting a469e6a3633d: Waiting 36b9f578dfd0: Pulling fs layer 82c744fdb18a: Waiting 67e235ccb630: Pulling fs layer 054af01a93fc: Pulling fs layer 36b9f578dfd0: Waiting e8dd567f0fce: Pulling fs layer 67e235ccb630: Waiting 054af01a93fc: Waiting 4f4fb700ef54: Pulling fs layer e8dd567f0fce: Waiting 95a8dc77b77e: Pulling fs layer 4f4fb700ef54: Waiting cc10f5cb66cf: Pulling fs layer c6967ed40884: Pulling fs layer 86261b212eac: Pulling fs layer c593fa27ed82: Pulling fs layer 327409bbc709: Pulling fs layer 68843b0965c1: Pulling fs layer c6967ed40884: Waiting c593fa27ed82: Waiting 1dce24306ea4: Pulling fs layer 95a8dc77b77e: Waiting 86261b212eac: Waiting cc10f5cb66cf: Waiting d41b89be77dc: Pulling fs layer 68843b0965c1: Waiting 327409bbc709: Waiting 1dce24306ea4: Waiting a847491754f8: Pulling fs layer d41b89be77dc: Waiting 2ba6e682b334: Pulling fs layer a847491754f8: Waiting 88783f87eac5: Pulling fs layer 2ba6e682b334: Waiting 94a228a5ee2b: Pulling fs layer effccec7e4d4: Pulling fs layer 88783f87eac5: Waiting 94a228a5ee2b: Waiting 2f4d54523759: Pulling fs layer c433d8fc16c8: Pulling fs layer effccec7e4d4: Waiting e8dea40a6ae6: Pulling fs layer 2f4d54523759: Waiting 5be5b25f37bd: Pulling fs layer c433d8fc16c8: Waiting e8dea40a6ae6: Waiting 8a320261bc75: Pulling fs layer f36d6c98cb79: Pulling fs layer 48745103a26a: Pulling fs layer 2c60e853f538: Pulling fs layer 5be5b25f37bd: Waiting 303d675deef6: Pulling fs layer 8a320261bc75: Waiting 10d6d5991602: Pulling fs layer 48745103a26a: Waiting f36d6c98cb79: Waiting 303d675deef6: Waiting 49510a9bffbc: Pulling fs layer 10d6d5991602: Waiting 49510a9bffbc: Waiting 0157dc55738d: Verifying Checksum 0157dc55738d: Download complete 08da4b8ec306: Verifying Checksum 08da4b8ec306: Download complete adbd7b083662: Verifying Checksum adbd7b083662: Download complete 0eb7579d9e49: Verifying Checksum 0eb7579d9e49: Download complete 2d08af6962f0: Verifying Checksum 2d08af6962f0: Download complete a469e6a3633d: Verifying Checksum a469e6a3633d: Download complete 82c744fdb18a: Verifying Checksum 82c744fdb18a: Download complete 98ea95f8982c: Verifying Checksum 98ea95f8982c: Download complete 67e235ccb630: Download complete 36b9f578dfd0: Verifying Checksum 36b9f578dfd0: Download complete 054af01a93fc: Download complete 4f4fb700ef54: Verifying Checksum 4f4fb700ef54: Download complete e8dd567f0fce: Verifying Checksum e8dd567f0fce: Download complete 95a8dc77b77e: Verifying Checksum 95a8dc77b77e: Download complete cc10f5cb66cf: Verifying Checksum cc10f5cb66cf: Download complete c6967ed40884: Verifying Checksum c6967ed40884: Download complete 2824220eb759: Pull complete d6e0f6bf3ee8: Pull complete 86261b212eac: Download complete 327409bbc709: Download complete c593fa27ed82: Verifying Checksum c593fa27ed82: Download complete 68843b0965c1: Verifying Checksum 68843b0965c1: Download complete 1dce24306ea4: Verifying Checksum 1dce24306ea4: Download complete d41b89be77dc: Verifying Checksum d41b89be77dc: Download complete a847491754f8: Download complete 2ba6e682b334: Download complete 88783f87eac5: Verifying Checksum 88783f87eac5: Download complete effccec7e4d4: Download complete c433d8fc16c8: Download complete e8dea40a6ae6: Download complete 5be5b25f37bd: Download complete 98ea95f8982c: Pull complete 8a320261bc75: Verifying Checksum 8a320261bc75: Download complete f36d6c98cb79: Verifying Checksum f36d6c98cb79: Download complete 94a228a5ee2b: Verifying Checksum 94a228a5ee2b: Download complete 2f4d54523759: Verifying Checksum 2f4d54523759: Download complete 303d675deef6: Verifying Checksum 303d675deef6: Download complete 48745103a26a: Verifying Checksum 48745103a26a: Download complete 10d6d5991602: Verifying Checksum 10d6d5991602: Download complete 49510a9bffbc: Verifying Checksum 49510a9bffbc: Download complete 2c60e853f538: Verifying Checksum 2c60e853f538: Download complete 66c4e2d11417: Pull complete 178bf13c4542: Pull complete 3363b6690622: Pull complete 2f360ed5ed1c: Pull complete 0157dc55738d: Pull complete adbd7b083662: Pull complete 08da4b8ec306: Pull complete 2d08af6962f0: Pull complete 0eb7579d9e49: Pull complete a469e6a3633d: Pull complete 82c744fdb18a: Pull complete 36b9f578dfd0: Pull complete 67e235ccb630: Pull complete 054af01a93fc: Pull complete e8dd567f0fce: Pull complete 4f4fb700ef54: Pull complete 95a8dc77b77e: Pull complete cc10f5cb66cf: Pull complete c6967ed40884: Pull complete 86261b212eac: Pull complete c593fa27ed82: Pull complete 327409bbc709: Pull complete 68843b0965c1: Pull complete 1dce24306ea4: Pull complete d41b89be77dc: Pull complete a847491754f8: Pull complete 2ba6e682b334: Pull complete 88783f87eac5: Pull complete 94a228a5ee2b: Pull complete effccec7e4d4: Pull complete 2f4d54523759: Pull complete c433d8fc16c8: Pull complete e8dea40a6ae6: Pull complete 5be5b25f37bd: Pull complete 8a320261bc75: Pull complete f36d6c98cb79: Pull complete 48745103a26a: Pull complete 2c60e853f538: Pull complete 303d675deef6: Pull complete 10d6d5991602: Pull complete 49510a9bffbc: Pull complete Digest: sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745 Status: Downloaded newer image for ocaml/opam@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745 2026-04-16 16:44.46 ---> using "5a3680208c73beb3331771a2f7c7cfa44299220a0d1ff13e680cdae5b80bdaf8" from cache /: (comment opensuse-15.6-5.4_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")) 2026-04-16 16:44.46 ---> using "463c319ef5be82dadb4076ef7cbdb1657274c5987ad974c76f4520c6671653ad" 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 2026-04-16 16:44.47 ---> using "78bb359f9aafa4629dc59de13b9deb4bc92d380688527008853d4cbf7d329c49" 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 2.5.0 2026-04-16 16:44.47 ---> using "f6fc4b12b0418b37aa6f9f032abf9c0881c3fa85253a420db64176a4057fa51e" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-16 16:44.47 ---> using "1b29546a3142f107d43752c85d792b294550aa31a3a2bc5277f7fff61f0aa274" 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")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 42844088d7..0b0acbee05 master -> origin/master 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) 2026-04-16 16:44.48 ---> using "69caec99b1c1221a25fb36fbb4df7e98d210a99338f6f0e726b6300f06edca34" from cache /src: (copy (src lwt_eio.opam) (dst ./)) tar: src/./lwt_eio.opam: Cannot open: No such file or directory tar: Exiting with failure status due to previous errors "tar" "-xf" "-" failed with exit status 2 2026-04-16 16:44.49: Job failed: Failed: Build failed