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@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34Opam 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-5.3@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34# debian-13-5.3_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-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 $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 10:20.42: 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 OCluster2026-05-13 10:49.13: Waiting for worker…2026-05-13 10:51.24: Got resource from pool OClusterBuilding on eumache.caelum.ci.devAll commits already cachedHEAD 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' locallydocker.io/ocaml/opam@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34: Pulling from ocaml/opam307f8152a55e: Pulling fs layer53d481666795: Pulling fs layer4ee22a5df705: Pulling fs layerae88ba2e7c99: Pulling fs layer466fcae906a3: Pulling fs layer024abae8c1ed: Pulling fs layerd582ebdec32b: Pulling fs layerae88ba2e7c99: Waitingaa12715098f1: Pulling fs layer466fcae906a3: Waiting62299cb9f759: Pulling fs layerd582ebdec32b: Waitinga25072680c61: Pulling fs layer024abae8c1ed: Waitingaa12715098f1: Waiting43b56dd9ccf7: Pulling fs layer62299cb9f759: Waitinga25072680c61: Waiting244d3fc9f983: Pulling fs layerc4fb47424a8f: Pulling fs layer43b56dd9ccf7: Waiting244d3fc9f983: Waitingcf6798d648a4: Pulling fs layer279a991ac05e: Pulling fs layercf66fc12d100: Pulling fs layerd39d0e8ae83c: Pulling fs layercf6798d648a4: Waiting279a991ac05e: Waiting4b54e9cd8568: Pulling fs layerf65d25bce8ea: Pulling fs layerc4fb47424a8f: Waiting7d77baca5957: Pulling fs layer4b54e9cd8568: Waitingf65d25bce8ea: Waitingd39d0e8ae83c: Waiting4f4fb700ef54: Pulling fs layer7d77baca5957: Waitingcf66fc12d100: Waitinga99a940ecfac: Pulling fs layerf5264679c08b: Pulling fs layer4f4fb700ef54: Waitinga99a940ecfac: Waitingf2b70106109c: Pulling fs layerb37088730bad: Pulling fs layerf2b70106109c: Waitingcbd33ffade5f: Pulling fs layerf5264679c08b: Waitingb37088730bad: Waitingf1cf9ab18ca0: Pulling fs 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complete279a991ac05e: Pull completecf66fc12d100: Pull completed39d0e8ae83c: Pull complete4b54e9cd8568: Pull completef65d25bce8ea: Pull complete7d77baca5957: Pull complete4f4fb700ef54: Pull completea99a940ecfac: Pull completef5264679c08b: Pull completef2b70106109c: Pull completeb37088730bad: Pull completecbd33ffade5f: Pull completef1cf9ab18ca0: Pull complete87f3d72372a4: Pull complete25d15f09ece2: Pull complete6304df60357e: Pull complete34a8ea3e9b48: Pull completea0636f21098e: Pull complete9511add15c87: Pull completeca1c1d43252a: Verifying Checksumca1c1d43252a: Download complete963ec00065e9: Pull complete3a098b8178a5: Pull completeca1c1d43252a: Pull completeca50eb78767c: Pull complete85fc1e77225e: Pull complete088f7de253ad: Pull completef6bd7b61eef6: Pull complete96622cbe6c3b: Pull complete8948630d29de: Pull completee21531ca0a2b: Pull completef0c94abb2af1: Pull complete05da535a6532: Pull completec4ca4218b9bd: Pull completeDigest: sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f34Status: Downloaded newer image for ocaml/opam@sha256:18fc61a827f164f3658be6c50e2fdf530e18fda020b37a1cc46ae11c61ae2f342026-05-13 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-3.23.02026-05-13 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 --globalContinue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-05-13 10:54.13 ---> using "dbd5b9d1d40d642a074afaf8541dcbc33f182849eea55be76a92283aa4d8f6f2" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 5.3.02.5.12026-05-13 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-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.5.5.0- ocaml-compiler.5.4.1However, 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.3.23.0Done.# 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 12026-05-13 10:55.15: Job failed: Failed: Build failed