2026-05-13 10:20.42: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-13-5.3_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34 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-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34 # debian-13-5.3_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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-config.3 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 10:20.42: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34-debian-13-5.3_opam-2.5-b0457dc650107a792e3917bdc268fad3" 2026-05-13 10:20.42: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34) (comment debian-13-5.3_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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-config.3 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 10:20.42: Waiting for resource in pool OCluster 2026-05-13 10:49.13: Waiting for worker… 2026-05-13 10:51.24: Got resource from pool OCluster Building on eumache.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34) Unable to find image 'ocaml/opam:debian-13-ocaml-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34' locally docker.io/ocaml/opam@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34: Pulling from ocaml/opam 307f8152a55e: Pulling fs layer 53d481666795: Pulling fs layer 4ee22a5df705: Pulling fs layer ae88ba2e7c99: Pulling fs layer 466fcae906a3: Pulling fs layer 024abae8c1ed: Pulling fs layer d582ebdec32b: Pulling fs layer ae88ba2e7c99: Waiting aa12715098f1: Pulling fs layer 466fcae906a3: Waiting 62299cb9f759: Pulling fs layer d582ebdec32b: Waiting a25072680c61: Pulling fs layer 024abae8c1ed: Waiting aa12715098f1: Waiting 43b56dd9ccf7: Pulling fs layer 62299cb9f759: Waiting a25072680c61: Waiting 244d3fc9f983: Pulling fs layer c4fb47424a8f: Pulling fs layer 43b56dd9ccf7: Waiting 244d3fc9f983: Waiting cf6798d648a4: Pulling fs layer 279a991ac05e: Pulling fs layer cf66fc12d100: Pulling fs layer d39d0e8ae83c: Pulling fs layer cf6798d648a4: Waiting 279a991ac05e: Waiting 4b54e9cd8568: Pulling fs layer f65d25bce8ea: Pulling fs layer c4fb47424a8f: Waiting 7d77baca5957: Pulling fs layer 4b54e9cd8568: Waiting f65d25bce8ea: Waiting d39d0e8ae83c: Waiting 4f4fb700ef54: Pulling fs layer 7d77baca5957: Waiting cf66fc12d100: Waiting a99a940ecfac: Pulling fs layer f5264679c08b: Pulling fs layer 4f4fb700ef54: Waiting a99a940ecfac: Waiting f2b70106109c: Pulling fs layer b37088730bad: Pulling fs layer f2b70106109c: Waiting cbd33ffade5f: Pulling fs layer f5264679c08b: Waiting 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Waiting c4ca4218b9bd: Pulling fs layer 05da535a6532: Waiting c4ca4218b9bd: Waiting 4ee22a5df705: Verifying Checksum 4ee22a5df705: Download complete 53d481666795: Verifying Checksum 53d481666795: Download complete 466fcae906a3: Verifying Checksum 466fcae906a3: Download complete 307f8152a55e: Verifying Checksum 307f8152a55e: Download complete ae88ba2e7c99: Verifying Checksum ae88ba2e7c99: Download complete aa12715098f1: Verifying Checksum aa12715098f1: Download complete d582ebdec32b: Verifying Checksum d582ebdec32b: Download complete 62299cb9f759: Verifying Checksum 62299cb9f759: Download complete a25072680c61: Verifying Checksum a25072680c61: Download complete 43b56dd9ccf7: Verifying Checksum 43b56dd9ccf7: Download complete 024abae8c1ed: Verifying Checksum 024abae8c1ed: Download complete 307f8152a55e: Pull complete 53d481666795: Pull complete 4ee22a5df705: Pull complete c4fb47424a8f: Download complete cf6798d648a4: Verifying Checksum cf6798d648a4: Download complete 279a991ac05e: 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complete 43b56dd9ccf7: Pull complete 963ec00065e9: Verifying Checksum 963ec00065e9: Download complete 244d3fc9f983: Pull complete c4fb47424a8f: Pull complete cf6798d648a4: Pull complete 279a991ac05e: Pull complete cf66fc12d100: Pull complete d39d0e8ae83c: Pull complete 4b54e9cd8568: Pull complete f65d25bce8ea: Pull complete 7d77baca5957: Pull complete 4f4fb700ef54: Pull complete a99a940ecfac: Pull complete f5264679c08b: Pull complete f2b70106109c: Pull complete b37088730bad: Pull complete cbd33ffade5f: Pull complete f1cf9ab18ca0: Pull complete 87f3d72372a4: Pull complete 25d15f09ece2: Pull complete 6304df60357e: Pull complete 34a8ea3e9b48: Pull complete a0636f21098e: Pull complete 9511add15c87: Pull complete ca1c1d43252a: Verifying Checksum ca1c1d43252a: Download complete 963ec00065e9: Pull complete 3a098b8178a5: Pull complete ca1c1d43252a: Pull complete ca50eb78767c: Pull complete 85fc1e77225e: Pull complete 088f7de253ad: Pull complete f6bd7b61eef6: Pull complete 96622cbe6c3b: Pull complete 8948630d29de: Pull complete e21531ca0a2b: Pull complete f0c94abb2af1: Pull complete 05da535a6532: Pull complete c4ca4218b9bd: Pull complete Digest: sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34 Status: Downloaded newer image for ocaml/opam@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34 2026-05-13 10:54.13 ---> using "71d67f8159bfda68aedc8e453e4c631ea37ef85beaa558f319563ad5c19227e6" from cache /: (comment debian-13-5.3_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 10:54.13 ---> using "60d63b1fc4979f9ed559c1343640b23b5a89dc65b804d26effbfb5bdbc2190d1" 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 10:54.13 ---> using "ea97384b42f3c82359c532cf5b9df16d019c6739dbf913b013bcd3b0e407f5f0" 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 2.1 to version 2.2, which can't be reverted. You may want to back it up before going further. [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 Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-05-13 10:54.13 ---> using "dbd5b9d1d40d642a074afaf8541dcbc33f182849eea55be76a92283aa4d8f6f2" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-111-generic The OCaml toplevel, version 5.3.0 2.5.1 2026-05-13 10:54.13 ---> using "088051e26ef7189d8934ea214973572038a8fd7308c99cf32205eed4c010b0d9" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-13 10:54.13 ---> using "6b11c59bdde6aca80dd87cbd5accd59ddc32478ecd4d491f2397694b8e8630d0" 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-compiler.5.4.1 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 10:54.13 ---> using "9f3039ade5609f620112627cd2fe6880cb13516ea8eda770c5e869ddfa9233a6" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-05-13 10:54.13 ---> using "bcee4e5c7f43bd49e46095a21e380f03981a495dd6a7dcfdf3e2bfa894686532" 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 10:54.13 ---> using "2b0b93229a6aaa86e0b0c7f1edc19de4ede733fc1341db9e005bd3d9a70fbe9c" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-13 10:54.13 ---> using "66c849a8954e96f59d5796ff7b08249a80835600649d5c2852a9a766415a1a50" from cache /src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.3.0 ocaml-base-compiler.5.3.0 ocaml-compiler.5.3.0 ocaml-config.3 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 amd64 Packages [160 kB] - Fetched 251 kB in 1s (420 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 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). # To update the current shell environment, run: eval $(opam env) 2026-05-13 10:54.13 ---> using "08dae3e0aeea1d087723c0db3a84aa71b0f32578eb70187810c6484ab6532979" 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 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 10:55.12 ---> saved as "26869d4853524e4ad28abbd89b121c92126a7cba500feaad51afbf046ba90e2d" /src: (copy (src .) (dst /src)) 2026-05-13 10:55.13 ---> saved as "add38b4f823bb7b4c60460f890e663bc8e6ebcf0e96f3141d66e5989f444dc44" /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 File "test.ml", line 85, characters 2-8: Assertion failed "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-05-13 10:55.15: Job failed: Failed: Build failed