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:alpine-3.23-4.14_opam-2.5)Base: ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387Opam 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:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387# alpine-3.23-4.14_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:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387-alpine-3.23-4.14_opam-2.5-eae4555874c5f41f1479b84289105c80"2026-06-02 13:23.13: Using OBuilder spec:((from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387)(comment alpine-3.23-4.14_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 13:30.39: Waiting for worker…2026-06-02 13:34.03: Got resource from pool OClusterBuilding on clete.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387)2026-06-02 13:34.03 ---> using "645db74cf2f6617db2ad81b0e818e4f1f9c438bf86fc197e2b1f68b1d3dfdf29" from cache/: (comment alpine-3.23-4.14_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 13:34.03 ---> using "cf8a7eb63fdaa4274d5ee8634b4a7b94f9670fcdafb4f064aa00246fcc10cd06" 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 13:34.03 ---> using "a218be502030aa9bb7f549b3ce1a3ae2557dd57f02075fadfc67380f505ae4ad" 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.Continue? [Y/n] yFormat upgrade done.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<><> 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 (Could not contact DNS servers)"[default] synchronised from git+file:///home/opam/opam-repository2026-06-02 13:34.03 ---> using "4f523c7d4745fce438a54b36da96f723989e2e5d4ec70c21de877c0cdc177935" 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 13:34.03 ---> using "7949df54ce6970c564a4bf56d43ea82ed8285a3985c52812abb95e52dedffc44" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-02 13:34.03 ---> using "e3756b85b4c17d4e5ed9bed65403d563aab03a7f8a591074112948d13345d3bd" 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 13:34.03 ---> using "93cd4ee304db1fd84732798229edd34654aa56cf7a5998999d544ac3c636fd6d" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-02 13:34.03 ---> using "9b5f6e80a0c6e5a6e7b2fd17475c931926ddd509d77cc26237b29647ea814ee8" 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 13:34.03 ---> using "6840b8956435a3932aa21f1c8339dbef131ef56e850201c9e5a0e1409b4c13a7" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-02 13:34.03 ---> using "6a4256d8f75f9c45416ffeecac58767ffade8721bd09ca4079ecef2928c6061e" 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 "apk" "update"- v3.23.4-321-gd7ba2f7929f [https://dl-cdn.alpinelinux.org/alpine/v3.23/main]- v3.23.4-326-g3e2b6523bc0 [https://dl-cdn.alpinelinux.org/alpine/v3.23/community]- v20260127-10687-gd9e76d56b8e [https://dl-cdn.alpinelinux.org/alpine/edge/main]- v20260127-10748-g978f3ad51f5 [https://dl-cdn.alpinelinux.org/alpine/edge/community]- v20260127-10749-g6db09ef5474 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]- OK: 62392 distinct packages available<><> 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 13:34.22 ---> saved as "ea689755b1ef4fc1027c6d0b3c3ad6538a55ae353f69898a386ff58710795507"/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 13:35.34 ---> saved as "7c4d9b8780cc743d836ef6c53f18866f3531ea75ae8811f833abe3e856030f2d"/src: (copy (src .) (dst /src))2026-06-02 13:35.34 ---> saved as "93065f1a40771aaa814b0ce27dbfacf9882d965254e0135bd7d36383e6f9e85f"/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 13:35.35: Job failed: Failed: Build failed