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-3.23-5.4_opam-2.5)Base: ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073Opam 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-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073# alpine-3.23-5.4_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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.1 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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-BLOCK2026-06-02 13:23.13: Using cache hint "backtracking/bitv-ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073-alpine-3.23-5.4_opam-2.5-556af805940e71c17533c0e4ff9d1ab3"2026-06-02 13:23.13: Using OBuilder spec:((from ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073)(comment alpine-3.23-5.4_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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.1 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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")))2026-06-02 13:23.13: Waiting for resource in pool OCluster2026-06-02 13:30.37: Waiting for worker…2026-06-02 13:34.00: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:alpine-3.23-ocaml-5.4@sha256:028af757d3b496dd68a0fcf388f881a2a87f49999ddaa27ebf936d83ba718073)2026-06-02 13:34.08 ---> using "81271f136a5c405ab344f21038f3fe129030b1e91d3407a93a063db52e4a8f3d" from cache/: (comment alpine-3.23-5.4_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 13:34.08 ---> using "6176ab3c1596fbc0dee7463fd2836ffd2f58884dcc6e1ac71012c114e0dba47c" 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 13:34.09 ---> using "198e2a86af21258af4a3708ab201c983b85717dbe19fbd80b4e2b778ec06eba3" 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.Continue? [Y/n] y[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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-02 13:34.11 ---> using "f808e29f897520cdccd1d82f4e437e74a0ab99a640fd502b3185cf8cbd15d243" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 5.4.12.5.12026-06-02 13:34.12 ---> using "932bf0baf6f1e6f58661cc8cac9e0dd87bf62ee42ac881e41fd1db72322d0e2e" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-02 13:34.13 ---> using "686f4c40734342ed9ace4a3a7a697c4179229f5e8d734cd1e91fd4957a4dce2a" 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 possibleThe 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)2026-06-02 13:34.14 ---> using "7f846372560d8b4d6a3332f9d6e89238628ca744db7e685dbbbbfe1d73c8db5e" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-02 13:34.16 ---> using "ca056da41bb1ec7aef22d48715656d7cc4cfbd520bfce0e07ec37f0fd3f43394" 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 13:34.22 ---> saved as "e0016691e5333be35281918a6f276727e6b5254e493cb63584afd9979f4e0470"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-02 13:34.32 ---> saved as "4d389ba401775ee8a87ebf881b2c858841a47d4fa89a1c94f44f4307be795e8c"/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.1 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 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 "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: 62389 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 3).[NOTE] Package ocaml-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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-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)2026-06-02 13:34.53 ---> saved as "364748edae0c106ec920cea9f00044355cbe2f3e877cf85155b864c3a2525dc3"/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 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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-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 3.23.1<><> 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 13:35.36 ---> saved as "4db53553941a4976b76359b7cc46122c0bfb45c11e9e2d0599dff994650714ab"/src: (copy (src .) (dst /src))2026-06-02 13:36.23 ---> saved as "d66196a5099c002a7e9e1e63e470b62f2526a3dfe005813fb3016187ff2c3cc3"/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 12026-06-02 13:36.41: Job failed: Failed: Build failed