2026-05-05 14:40.50: 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:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131Opam 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:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131# 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 opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline && 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-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-BLOCK2026-05-05 14:40.50: Using cache hint "backtracking/bitv-ocaml/opam:debian-12-ocaml-4.14@sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131-debian-12-4.14_opam-2.5-c7e0c0d8ced9fa0838df644cf67adf76"2026-05-05 14:40.50: Using OBuilder spec:((from ocaml/opam:debian-12-ocaml-4.14@sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131)(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 (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 "cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline && 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-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")))2026-05-05 14:40.50: Waiting for resource in pool OCluster2026-05-05 17:21.47: Waiting for worker…2026-05-05 17:27.05: Got resource from pool OClusterBuilding on phoebe.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:debian-12-ocaml-4.14@sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131)Unable to find image 'ocaml/opam:debian-12-ocaml-4.14@sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131' locallydocker.io/ocaml/opam@sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131: Pulling from ocaml/opamdb53381ee51f: Already existsb3e2b48e921d: Pulling fs layere459b55aaa69: Pulling fs layer0a156e8c6272: Pulling fs layere42408e5ffdf: Pulling fs layer50bb2b3826ab: Pulling fs layer4618d1f3d563: Pulling fs layerefa196b04cec: Pulling fs layere459b55aaa69: Waiting0a156e8c6272: 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Verifying Checksum43147bea5997: Download complete61e1aff4c41d: Verifying Checksum61e1aff4c41d: Download complete841b52120a5c: Download completed56e33f3c3f1: Verifying Checksumd56e33f3c3f1: Download complete50bb2b3826ab: Verifying Checksum50bb2b3826ab: Download complete26aa6f0595b6: Verifying Checksum26aa6f0595b6: Download completed9866a05df42: Download completed06932c99024: Verifying Checksumd06932c99024: Download completebd0dac824dd3: Verifying Checksumbd0dac824dd3: Download complete50bb2b3826ab: Pull complete4618d1f3d563: Pull completeefa196b04cec: Pull complete78007f9dbcde: Pull complete9eb9691d1780: Pull complete154d04bdbd49: Pull completeafab16d31797: Pull complete43546dfdea90: Pull completec285e4bc2236: Pull complete9fa77dc95407: Pull completef8dca9d30623: Pull completea900254ad981: Pull complete9ec16dbccaf2: Pull completed8bb652027f5: Pull completed5a64739e55b: Pull complete8411aa5818e1: Pull completec367703ffbfd: Pull complete4f4fb700ef54: Pull complete06ed83b93433: Pull completee335f4621067: Pull complete936c44eb0cd5: Pull complete31c07354a88a: Pull completeed57764a58c9: Pull complete04ee923c5dd7: Pull complete00d09ef45b27: Pull complete9d8c730b185a: Pull completeb1ca3f6b0b88: Pull completee7959d77f2f9: Pull complete56d4d012630e: Pull completebfc1e2c4fe29: Pull completebd0dac824dd3: Pull complete8534f767fb63: Pull completed1ad66254d32: Verifying Checksumd1ad66254d32: Download complete43147bea5997: Pull complete61e1aff4c41d: Pull complete841b52120a5c: Pull completed56e33f3c3f1: Pull completed1ad66254d32: Pull complete26aa6f0595b6: Pull completed9866a05df42: Pull completed06932c99024: Pull completeDigest: sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d131Status: Downloaded newer image for ocaml/opam@sha256:aa7ac95689bc33445957fddf00f47f1afca5fe8d099a057cd1416698f955d1312026-05-05 17:27.20 ---> using "8eeeee592794562764d894fbd145492a49eae4057d14de00ab0bc2eb49387fc0" 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"))2026-05-05 17:27.20 ---> using "84257d805c6f7bc639fe2196530d35e2500b50093994cf2a111687c109982a81" 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 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-05-05 17:27.21 ---> using "ffb1bdb340243b49dc9df1b2e0c32d07aab013444d1af80709726454b62d4687" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-110-genericThe OCaml toplevel, version 4.14.32.5.12026-05-05 17:27.22 ---> using "7cc0e1908486cd81cfb13a206a6a38d62635f7188e7734bd5070c1d7c8a67127" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-05 17:27.22 ---> using "2116358d41d594606c34a071624c510454ea89b2b02afe33d4a752251deb06fe" 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 && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD045748b2d8..a70af20c71 master -> origin/mastera70af20c71 Merge pull request #29844 from shonfeder/release-dune-3.23.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possible (run with --verbose to show unavailable upgrades).However, 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)2026-05-05 17:27.22 ---> using "369cd464583bd12028a3e004d9e79dea8a299976ad76d85d3b5295a8c71509d4" from cache/src: (copy (src bitv.opam) (dst ./))2026-05-05 17:27.25 ---> saved as "8bea66ee2250d5c78e2a0e746ffa9e658cc84cb2d611224a7252daf6f7ce5baa"/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)2026-05-05 17:27.29 ---> saved as "bf6df31812d996a2123e34155c9bd5dfc27aedf0f281ed3ba16fdb27e6f049a2"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-05 17:27.34 ---> saved as "3f91553d2e760e64e2ea5df4f523268b025bb89a4c73d928d762d03cf9530a93"/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base dune.3.23.0 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 [299 kB]- Fetched 402 kB in 0s (1086 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)2026-05-05 17:27.52 ---> saved as "14697330d2d13fb24ad0acdf2704c8b1a0205dfae59bc4a9391c0d30274289ff"/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 3.23.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved dune.3.23.0 (cached)-> installed dune.3.23.0Done.# To update the current shell environment, run: eval $(opam env)2026-05-05 17:28.40 ---> saved as "55047aa44291fc6aa5a00e346861f71afd08cf39ed151028ff64f9aabd70541b"/src: (copy (src .) (dst /src))2026-05-05 17:28.45 ---> saved as "fb078f10bd10d2bc26931106e9fb9bfc0130f17aa467766ce7b87a9db9dd09f8"/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 12026-05-05 17:28.47: Job failed: Failed: Build failed