2026-06-02 13:23.13: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:ubuntu-25.10-4.14_opam-2.5)Base: ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f8cccf9ca64e5bb01d21ee3cc0f0a551b87dc888080f9be2484840f2e3ddbc75Opam 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:ubuntu-25.10-ocaml-4.14@sha256:f8cccf9ca64e5bb01d21ee3cc0f0a551b87dc888080f9be2484840f2e3ddbc75# ubuntu-25.10-4.14_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-BLOCK2026-06-02 13:23.13: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f8cccf9ca64e5bb01d21ee3cc0f0a551b87dc888080f9be2484840f2e3ddbc75-ubuntu-25.10-4.14_opam-2.5-eae4555874c5f41f1479b84289105c80"2026-06-02 13:23.13: Using OBuilder spec:((from ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f8cccf9ca64e5bb01d21ee3cc0f0a551b87dc888080f9be2484840f2e3ddbc75)(comment ubuntu-25.10-4.14_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")))2026-06-02 13:23.13: Waiting for resource in pool OCluster2026-06-02 13:30.30: Waiting for worker…2026-06-02 13:34.11: Got resource from pool OClusterBuilding on phoebe.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:ubuntu-25.10-ocaml-4.14@sha256:f8cccf9ca64e5bb01d21ee3cc0f0a551b87dc888080f9be2484840f2e3ddbc75)2026-06-02 13:36.28 ---> using "a8c6fa3572e8bdd3d9833dc00fbfe296f5516e06a6767e0d1bb50364300cf21d" from cache/: (comment ubuntu-25.10-4.14_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"))2026-06-02 13:36.28 ---> using "50ede96679761a9236c2c5f97edee9a81a4cb5944582140e574fb6d55b7ec26b" 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-fixes2026-06-02 13:36.28 ---> using "bb9eba304ecf3713d56a90336c735ee7a6af2303b2fe24335fd13af2fc843ecb" 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 ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "ocaml-patches-overlay": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocurrent/opam-repository/': Could not resolve host: github.com"[default] synchronised from git+file:///home/opam/opam-repository2026-06-02 13:36.28 ---> using "4311119631fce220bd4c8f86336ff6c7d15d33cea4563c3469522ca3f9da46ad" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 4.14.32.5.12026-06-02 13:36.28 ---> using "551ab2e1b0da6f377d1d79b9317250e14585f39215ff33df6b70864dc4f17f96" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-02 13:36.28 ---> using "6882fc188c6285e74f546ae8fe5f20553724f93ae075731e0cb895a94dee102f" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam update -u"))<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patches[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)2026-06-02 13:36.28 ---> using "7dc09ddd8eec414d82cff0eada7ebf358dcefdead3ebc066b71e30aea0cda6fe" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-02 13:36.28 ---> using "23c5746b1f68d36e260681d75ca5534f3ba14d5c80e177da8eff7e4bf78330ad" 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)2026-06-02 13:36.28 ---> using "e476652be264a2ce4fb0a7b2a181779f50043cf0f7003e929f6636017ce1906f" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-02 13:36.28 ---> using "0e2a007d101e6d03e05b2b54ae5273bc7d1e5401509081d2b154e009dba695ea" from cache/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"- Get:1 http://security.ubuntu.com/ubuntu questing-security InRelease [136 kB]- Hit:2 http://archive.ubuntu.com/ubuntu questing InRelease- Get:3 http://archive.ubuntu.com/ubuntu questing-updates InRelease [136 kB]- Get:4 http://security.ubuntu.com/ubuntu questing-security/universe amd64 Packages [349 kB]- Get:5 http://security.ubuntu.com/ubuntu questing-security/restricted amd64 Packages [322 kB]- Get:6 http://archive.ubuntu.com/ubuntu questing-backports InRelease [133 kB]- Get:7 http://security.ubuntu.com/ubuntu questing-security/multiverse amd64 Packages [19.3 kB]- Get:8 http://security.ubuntu.com/ubuntu questing-security/main amd64 Packages [478 kB]- Get:9 http://archive.ubuntu.com/ubuntu questing-updates/restricted amd64 Packages [346 kB]- Get:10 http://archive.ubuntu.com/ubuntu questing-updates/multiverse amd64 Packages [22.9 kB]- Get:11 http://archive.ubuntu.com/ubuntu questing-updates/main amd64 Packages [561 kB]- Get:12 http://archive.ubuntu.com/ubuntu questing-updates/universe amd64 Packages [418 kB]- Fetched 2919 kB in 1s (4804 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)2026-06-02 13:36.28 ---> using "769d9413962dc34e2c335946421985fec8320ff0a0a2d28776da641721bd45a8" 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 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)2026-06-02 13:36.28 ---> using "580e509e6c532205b6b0ba977e9066ddd81de3e07f0af71388562725eeef5d3f" from cache/src: (copy (src .) (dst /src))2026-06-02 13:36.29 ---> saved as "ad338c7854d1ed2b9b94a8cd3236dac61ce313c3d750b6b888e3819f7235897a"/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 12026-06-02 13:36.31: Job failed: Failed: Build failed