2026-05-27 07:22.36: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-12-4.14_opam-2.5)Base: ocaml/opam:debian-12-ocaml-4.14@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159ebaOpam 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-12-ocaml-4.14@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba# debian-12-4.14_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 c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && 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-threads.base base-unix.base dune.3.23.1 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 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-BLOCK2026-05-27 07:22.36: Using cache hint "backtracking/bitv-ocaml/opam:debian-12-ocaml-4.14@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba-debian-12-4.14_opam-2.5-eae4555874c5f41f1479b84289105c80"2026-05-27 07:22.36: Using OBuilder spec:((from ocaml/opam:debian-12-ocaml-4.14@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba)(comment debian-12-4.14_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 c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && 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.3.23.1 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 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")))2026-05-27 07:22.36: Waiting for resource in pool OCluster2026-05-27 07:26.13: Waiting for worker…2026-05-27 07:28.41: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:debian-12-ocaml-4.14@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba)Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba' locallydocker.io/ocaml/opam@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba: Pulling from ocaml/opam4887723d153c: Already existsf09fe43af3d0: Already exists8c08bce27fda: Already existsb727a9c34ab8: Already exists5ecb47227c74: Already existsceb724c0e91a: Already existsf588639909b0: Already existsaab9c5b13b64: Already exists0a277ed15407: Already exists132d338fdfd0: Already exists27fd896c79f2: Already exists72468d11a9b4: Already existse8bdd5ad8432: Already exists3163ed2e4b76: Already existsaa9069d82ae5: Already existsd0207985e630: Already existsd0207985e630: Already existsab566544a90b: Already exists3a0736803c27: Already exists36560715d7bd: Already existseeeec73bec80: Already exists4f4fb700ef54: Already exists846925efc366: Already existsec076a20dd91: Already exists9eee8bbc8128: Already existscb2913eedeb2: Already exists71814da9cebd: Already exists6ffedaf07abd: Already existsfd32fa0d0f24: Already exists1697ad70a175: Already exists1c94f6008fe7: Already existscda898921e10: Already exists109d6c8ee356: Already existsa1eb9f85e46a: Already existsba57b16f9cfd: Already exists775d21de89db: Already exists7a2c4cf1613b: Already exists1aa8bb428e46: Already existscc5e773c9280: Already existsc29d8b91cc92: Already exists9cd1b3342138: Pulling fs layer9966f8c9c46d: Pulling fs layer9d5932f19980: Pulling fs layer9cd1b3342138: Waiting9966f8c9c46d: Waiting9d5932f19980: Waitingaf00c7ab1061: Pulling fs layeraf00c7ab1061: Waiting9966f8c9c46d: Verifying Checksum9966f8c9c46d: Download complete9d5932f19980: Verifying Checksum9d5932f19980: Download completeaf00c7ab1061: Download complete9cd1b3342138: Verifying Checksum9cd1b3342138: Download complete9cd1b3342138: Pull complete9966f8c9c46d: Pull complete9d5932f19980: Pull completeaf00c7ab1061: Pull completeDigest: sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159ebaStatus: Downloaded newer image for ocaml/opam@sha256:7a1df3056eec956a6eef1d348aec8333e55e498d2746501268f52c1f05159eba2026-05-27 07:28.46 ---> using "82603cf0c609c68dc32f898dc49a371524acf924ba32c489169254963a5a4520" from cache/: (comment debian-12-4.14_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"))2026-05-27 07:28.46 ---> using "205ab15271f4620f95ae9fd0bd4d15da778ab41d5a6fe6567f413ef2eeaf9f4c" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e c180e1630960e0dbb8e30c22b3de89113eb5cc93 || git fetch origin master) && git reset -q --hard c180e1630960e0dbb8e30c22b3de89113eb5cc93 && git log --no-decorate -n1 --oneline"))c180e16309 Merge pull request #29907 from dra27/host-arch-fixes2026-05-27 07:28.46 ---> using "61906ae7f926bdbdac3d448d7aad6a65a7cba9d05d374dbd7e8a4c8000548204" 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-repository2026-05-27 07:28.46 ---> using "5bb49d390183daced476b41ead3d5aba8c533778bd47821dbbbdb260cd9ea7b9" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 4.14.32.5.12026-05-27 07:28.47 ---> saved as "33a26479c4df1bd6e6ba9bde5ba0a7f5ab4d7cc55a26917be0b680f51805ab77"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-27 07:28.50 ---> saved as "aa78e46971c4f0594f2820b8bdfacf70c81f92166e470cb94fa242bbb530aba2"/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-config.3However, 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)2026-05-27 07:29.02 ---> saved as "3bba8680c33599f8c53728c5bcc9c2debf26c66bb128ba2d79def0fb055ccc27"/src: (copy (src bitv.opam) (dst ./))2026-05-27 07:29.09 ---> saved as "ea2fa7031532d78109f3f2426cd59ee98d9129a28280944e652f3e57a5ed199b"/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)2026-05-27 07:29.19 ---> saved as "29fbd0f049bf304531bb0f74af2b0597dbae3744433cd7621a3bdb7b39ece263"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-27 07:29.29 ---> saved as "57e41b21d3e99f5573d8f575a1dbc65560892fe5b6db6acabd0641104e376885"/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.23.1 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 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 bookworm InRelease- Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB]- Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB]- Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [308 kB]- Fetched 412 kB in 0s (941 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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3).[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)2026-05-27 07:29.50 ---> saved as "87e1b821ec731e18f2a80366a1c62355b1f526043c082a6139f7e8eb3361687c"/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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3).[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 3.23.1<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.23.1 (cached)-> installed dune.3.23.1Done.# To update the current shell environment, run: eval $(opam env)2026-05-27 07:30.28 ---> saved as "76b6cec1227bf105b890c9e76f9ccf71e61bef6f96b10e241584b2816d4ba85d"/src: (copy (src .) (dst /src))2026-05-27 07:30.37 ---> saved as "5a7a092cccddf78b53d8f3da9566167eee3fc14b51543ba7405f2920c1dcc70f"/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 12026-05-27 07:30.42: Job failed: Failed: Build failed