2026-05-13 10:21.45: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-13-4.14+flambda_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55 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-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55 # debian-13-4.14+flambda_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-config.2 ocaml-variants.4.14.3+options" 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 10:21.45: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55-debian-13-4.14+flambda_opam-2.5-763c76d6273ff7d91c420b3450a9d6f9" 2026-05-13 10:21.45: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55) (comment debian-13-4.14+flambda_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-config.2 ocaml-variants.4.14.3+options") (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 10:21.45: Waiting for resource in pool OCluster 2026-05-13 10:59.47: Waiting for worker… 2026-05-13 11:12.45: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55) 2026-05-13 11:12.45 ---> using "a97aa18ad5ce7e9285984fe74e4fd16531134689e8c3a60a6d2bd2c8fe39d7be" from cache /: (comment debian-13-4.14+flambda_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 11:12.45 ---> using "49b96568badf49bb7a4b85e7d778040f6b8f987bfa49a2264c7aa3b3f5178b6e" 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 11:12.45 ---> using "d1b48937268552e96e191d40a59421cfd86345391e82115a0481f823cd265e6d" 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. 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 11:12.45 ---> using "d0043b23a2facc00eb4a3611b566673677d1cc3394fa504874f4408b5a2a55b5" 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 11:12.45 ---> using "924d9e2e12576d6f9ecc731361c9d9deb7c9b51962b6f2d3f66f13bac669b678" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-13 11:12.45 ---> using "ab9d0045a78a22bd88990bd38d799f5ac3218c2dc25a2c82f6d8a1a481a61883" 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 11:12.45 ---> using "3d08a2704941640fa57a90aa9042e5528f316c8dd0e7098ec718317c5adb3c69" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-05-13 11:12.45 ---> using "d6b0f9f9140df625b6bff57e1aff4d1cd05c19f280c07d8bfa987db9faf4de30" 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 11:12.45 ---> using "efc9bb8fca6396cc2fbd4710ffc63a5940644bf0d9e984a0ea7d3e8bbaf7e867" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-13 11:12.45 ---> using "b79c7a1f2b5947b683349c872146a78a5facb95f87733fe3c0541f1600b342a6" from cache /src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-config.2 ocaml-variants.4.14.3+options") /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 0s (2160 kB/s) - Reading package lists... <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [bitv.dev] synchronised (file:///src) [NOTE] Package ocaml-variants is already installed (current version is 4.14.3+options). [NOTE] Package ocaml-config is already installed (current version is 2). [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 11:12.47 ---> saved as "03c1a6255a3998155497c83ea2036bc53adacbcc581edf111db85a1084b26fdf" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-variants is already installed (current version is 4.14.3+options). [NOTE] Package ocaml-config is already installed (current version is 2). [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 11:13.30 ---> saved as "d8317c37045e9814c8489b77a1f628383a9ab2b2bfdc735d7f5c90ab54eacf0f" /src: (copy (src .) (dst /src)) 2026-05-13 11:13.30 ---> saved as "828c8f815591dfecb1dbc57702f89691e20491b3c040e16da973caba7e4963b5" /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 11:13.30: Job failed: Failed: Build failed