2026-05-13 10:16.55: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-s390x:debian-13-4.14_s390x_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.14@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3 Opam project build To reproduce locally: git clone --recursive "https://github.com/backtracking/bitv.git" && cd "bitv" && git fetch origin "refs/pull/41/head" && git reset --hard 0e42d4c6 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.14@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3 # debian-13-4.14_s390x_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 cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN opam update -u COPY --chown=1000:1000 bitv.opam ./ RUN opam pin add -yn bitv.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="base-bigarray.base base-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.1" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y bitv.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 2026-05-13 10:16.55: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3-debian-13-4.14_s390x_opam-2.5-c7e0c0d8ced9fa0838df644cf67adf76" 2026-05-13 10:16.55: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.14@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3) (comment debian-13-4.14_s390x_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 (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline")) (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 "opam update -u")) (copy (src bitv.opam) (dst ./)) (run (network host) (shell "opam pin add -yn bitv.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.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=2.5 --depext-only -y bitv.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")) ) 2026-05-13 10:16.55: Waiting for resource in pool OCluster 2026-05-13 10:17.13: Waiting for worker… 2026-05-13 16:01.49: Got resource from pool OCluster Building on s390x-worker-01.marist.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-4.14@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3) Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3' locally docker.io/ocaml/opam@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3: Pulling from ocaml/opam Digest: sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3 Status: Downloaded newer image for ocaml/opam@sha256:703dc67bd6718699a0ccf21b762f8bc6bae0342670a155236315a78a30c390d3 2026-05-13 16:01.49 ---> using "c02b9bbf96fa6868c4a59523ee062e8e7d77177baa81d57d032be024544c19bf" from cache /: (comment debian-13-4.14_s390x_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")) 2026-05-13 16:01.49 ---> using "d5e99b1f7156f9a588bb95b9e098c02df7f3e40ebec2d807061d5656a71b0a40" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline")) a70af20c71 Merge pull request #29844 from shonfeder/release-dune-3.23.0 2026-05-13 16:01.49 ---> using "a8cc769805bc1f9141dfe930308e968df8f420bd915a28b463446f2b8f051de4" from cache /src: (run (shell "opam init --reinit -ni")) This version of opam requires an update to the layout of /home/opam/.opam from version 2.1 to version 2.2, which can't be reverted. You may want to back it up before going further. 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. Continue? [Y/n] y [NOTE] The 'jobs' option was reset, its value was 1 and its new value will vary according to the current number of cores on your machine. You can restore the fixed value using: opam option jobs=1 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-05-13 16:01.49 ---> using "86babebf61546fcd324a53e1f0ce3c974d96f222a5ba07f8bfe5e41e4c71c510" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-111-generic The OCaml toplevel, version 4.14.3 2.5.1 2026-05-13 16:01.49 ---> using "2584eefeb64bbeba797a38c6c8b6518777d12921bcb1765288226246670963d6" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-13 16:01.49 ---> using "a7023abd2ba1002345d4a9620879d3d9dbdcb45bfb6358bf82666a072044e7a4" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam update -u")) <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-config.3 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) 2026-05-13 16:01.49 ---> using "d7d1c829e9b89fed8d15aeb8fe071e6ef3ae1d2258ab5f7c7a948ff472e5d8d7" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-05-13 16:01.49 ---> using "1ce44ddd504a36a183d8d4b9cf1c6bba8ab33642c4b6755bb19b45020717e821" from cache /src: (run (network host) (shell "opam pin add -yn bitv.dev './'")) [bitv.dev] synchronised (file:///src) bitv is now pinned to file:///src (version dev) 2026-05-13 16:01.49 ---> using "cd93f138bafc209c2f123ae62859db87434f8088fe8861fa84ec99e7995ea15e" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-13 16:01.49 ---> using "748207945cf0badf2e27bdfc71ac4cf8c8a8a045e49ff5aa122591532cc7a9b9" from cache /src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.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=2.5 --depext-only -y bitv.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Hit:1 http://deb.debian.org/debian trixie InRelease - Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB] - Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB] - Get:4 http://deb.debian.org/debian-security trixie-security/main s390x Packages [150 kB] - Fetched 241 kB in 1s (241 kB/s) - Reading package lists... - <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [bitv.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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3). [NOTE] Package ocaml is already installed (current version is 4.14.3). [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-bigarray is already installed (current version is base). # To update the current shell environment, run: eval $(opam env) 2026-05-13 16:01.49 ---> using "74a0fbba259553c1a0fe29151175c17b828d0b0f3147bc6639d861758996a2b1" 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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3). [NOTE] Package ocaml is already installed (current version is 4.14.3). [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-bigarray is already installed (current version is base). The following actions will be performed: === install 1 package - install dune 3.23.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.23.0 (cached) -> installed dune.3.23.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-05-13 16:01.49 ---> using "07fad20fe7879199c49aa1b8cb5ea23a11f448f011a5b9e4c40b102b4c9dfb33" from cache /src: (copy (src .) (dst /src)) 2026-05-13 16:02.03 ---> saved as "73b5d276278d6b4c01f4b05fc70b0d9f9a11561db3c0804b4ab0ac965eaace8d" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "dune", line 14, characters 7-11: 14 | (name test) ^^^^ (cd _build/default && ./test.exe) Fatal error: exception Assert_failure("test.ml", 85, 2) "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-05-13 16:02.16: Job failed: Failed: Build failed