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@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1Opam project buildTo reproduce locally:git clone --recursive "https://github.com/backtracking/bitv.git" && cd "bitv" && git fetch origin "refs/pull/41/head" && git reset --hard 0e42d4c6cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.2@sha256:26d60e8deaee6424c5d0213b45df9190656e7c616c5febfec9dc170744ad31b1# debian-13-5.2_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-05-13 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 OCluster2026-05-13 10:14.06: Waiting for worker…2026-05-13 10:14.06: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD 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-3.23.02026-05-13 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 --globalContinue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-05-13 10:13.59 ---> saved as "0b968fbdafdb37ed43ec13b14e319f7e42d9870c5ad617ad78179d2181d783eb"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 5.2.12.5.12026-05-13 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-repositoryEverything 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.5.5.0However, 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.3.23.0Done.# 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 12026-05-13 10:15.26: Job failed: Failed: Build failed