2026-05-13 10:13.44: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-13-5.2_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1 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-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1 # debian-13-5.2_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-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 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 10:13.44: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1-debian-13-5.2_opam-2.5-4c4aa2cf345869dfd18ffc047a7122d9" 2026-05-13 10:13.44: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1) (comment debian-13-5.2_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-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 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 10:13.44: Waiting for resource in pool OCluster 2026-05-13 10:14.06: Waiting for worker… 2026-05-13 10:14.06: 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-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1) 2026-05-13 10:13.50 ---> using "503ed5afe9018d5040aa2dba759a2e2138f0d96767139d7c938fc99dc949f1e0" from cache /: (comment debian-13-5.2_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 10:13.50 ---> using "0bf272105382bd787512c287b2362652aa4859b0f5836f3b1f4b55b85352dce7" 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 10:13.50 ---> using "1ae6175b3ab4f79d662a073f41b285a1e6928a2d3b913db58e450150bc1e28a2" 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 10:13.59 ---> saved as "0b968fbdafdb37ed43ec13b14e319f7e42d9870c5ad617ad78179d2181d783eb" /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-111-generic The OCaml toplevel, version 5.2.1 2.5.1 2026-05-13 10:13.59 ---> saved as "5496f17d6a5a0dc4aa7450e089c57bc9dfeaee4dafd9faed05fffdb7a7ea81ce" /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-13 10:13.59 ---> saved as "94169cb366c17346b9826e46db5087bf89f066f60f55c998dda43d73d50a38ea" /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 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 10:14.07 ---> saved as "a78f757bb0ea4b78592e588ea9b45371f6896d3d4dfd76cfbf18ec512cffc97f" /src: (copy (src bitv.opam) (dst ./)) 2026-05-13 10:14.08 ---> saved as "f57cc1ed21cf13993586fc4cc2b65667cdade7e6b0cb126412ec118aae00de0c" /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 10:14.10 ---> saved as "1c62af8a1757bf5c21d1241931968da3696f620cf9447500611bfd5d1aa93d9d" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-13 10:14.11 ---> saved as "9bfd27d0d0eabee833f4870c03a415ba0b9b4b3351b408dca7c2c0f04eac7989" /src: (env DEPS "base-bigarray.base base-domains.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 ocaml.5.2.1 ocaml-base-compiler.5.2.1 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 0s (2319 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-base-compiler is already installed (current version is 5.2.1). [NOTE] Package ocaml is already installed (current version is 5.2.1). [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-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 10:14.20 ---> saved as "6b82d474818f0f5083022a152d2c813cbecfa91d42a012c92a2ae5c21776e059" /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-base-compiler is already installed (current version is 5.2.1). [NOTE] Package ocaml is already installed (current version is 5.2.1). [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-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 10:15.15 ---> saved as "1c3d9899324fa3e682df3bde759bae889875d72a42aa11955ce1dcdd09f3994e" /src: (copy (src .) (dst /src)) 2026-05-13 10:15.16 ---> saved as "663dca03a2d0f41d21e22e5d05f08329b4c96fa0531d2049379415bd5dab1fc5" /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 10:15.26: Job failed: Failed: Build failed