2026-05-13 10:21.45: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-13-4.14+flambda_opam-2.5)Base: ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55Opam 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-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55# debian-13-4.14+flambda_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-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-config.2 ocaml-variants.4.14.3+options"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 10:21.45: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55-debian-13-4.14+flambda_opam-2.5-763c76d6273ff7d91c420b3450a9d6f9"2026-05-13 10:21.45: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55)(comment debian-13-4.14+flambda_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-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-config.2 ocaml-variants.4.14.3+options")(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 10:21.45: Waiting for resource in pool OCluster2026-05-13 10:59.47: Waiting for worker…2026-05-13 11:12.45: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:debian-13-ocaml-4.14-flambda@sha256:e47537b05d47712d9500f8258e33b236699bbf3a6078ea2e1de9520f5f82ee55)2026-05-13 11:12.45 ---> using "a97aa18ad5ce7e9285984fe74e4fd16531134689e8c3a60a6d2bd2c8fe39d7be" from cache/: (comment debian-13-4.14+flambda_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 11:12.45 ---> using "49b96568badf49bb7a4b85e7d778040f6b8f987bfa49a2264c7aa3b3f5178b6e" 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 11:12.45 ---> using "d1b48937268552e96e191d40a59421cfd86345391e82115a0481f823cd265e6d" 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-repository2026-05-13 11:12.45 ---> using "d0043b23a2facc00eb4a3611b566673677d1cc3394fa504874f4408b5a2a55b5" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 4.14.32.5.12026-05-13 11:12.45 ---> using "924d9e2e12576d6f9ecc731361c9d9deb7c9b51962b6f2d3f66f13bac669b678" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-13 11:12.45 ---> using "ab9d0045a78a22bd88990bd38d799f5ac3218c2dc25a2c82f6d8a1a481a61883" 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-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)2026-05-13 11:12.45 ---> using "3d08a2704941640fa57a90aa9042e5528f316c8dd0e7098ec718317c5adb3c69" from cache/src: (copy (src bitv.opam) (dst ./))2026-05-13 11:12.45 ---> using "d6b0f9f9140df625b6bff57e1aff4d1cd05c19f280c07d8bfa987db9faf4de30" 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 11:12.45 ---> using "efc9bb8fca6396cc2fbd4710ffc63a5940644bf0d9e984a0ea7d3e8bbaf7e867" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-13 11:12.45 ---> using "b79c7a1f2b5947b683349c872146a78a5facb95f87733fe3c0541f1600b342a6" from cache/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.23.0 ocaml.4.14.3 ocaml-config.2 ocaml-variants.4.14.3+options")/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 0s (2160 kB/s)- Reading package lists...<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[bitv.dev] synchronised (file:///src)[NOTE] Package ocaml-variants is already installed (current version is 4.14.3+options).[NOTE] Package ocaml-config is already installed (current version is 2).[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)2026-05-13 11:12.47 ---> saved as "03c1a6255a3998155497c83ea2036bc53adacbcc581edf111db85a1084b26fdf"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "opam install $DEPS"))[NOTE] Package ocaml-variants is already installed (current version is 4.14.3+options).[NOTE] Package ocaml-config is already installed (current version is 2).[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 3.23.0<><> 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 11:13.30 ---> saved as "d8317c37045e9814c8489b77a1f628383a9ab2b2bfdc735d7f5c90ab54eacf0f"/src: (copy (src .) (dst /src))2026-05-13 11:13.30 ---> saved as "828c8f815591dfecb1dbc57702f89691e20491b3c040e16da973caba7e4963b5"/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 12026-05-13 11:13.30: Job failed: Failed: Build failed