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:opensuse-15.6-5.4_opam-2.5)Base: ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745Opam 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:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745# opensuse-15.6-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN 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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 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-BLOCK2026-05-05 14:40.50: Using cache hint "backtracking/bitv-ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745-opensuse-15.6-5.4_opam-2.5-30931579a18167e7e10ec02cfb92df28"2026-05-05 14:40.50: Using OBuilder spec:((from ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745)(comment opensuse-15.6-5.4_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 (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-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 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")))2026-05-05 14:40.50: Waiting for resource in pool OCluster2026-05-05 17:21.42: Waiting for worker…2026-05-05 17:27.04: Got resource from pool OClusterBuilding on laodoke.caelum.ci.devhint: Using 'master' as the name for the initial branch. This default branch namehint: is subject to change. To configure the initial branch name to use in allhint: of your new repositories, which will suppress this warning, call:hint:hint: git config --global init.defaultBranch <name>hint:hint: Names commonly chosen instead of 'master' are 'main', 'trunk' andhint: 'development'. The just-created branch can be renamed via this command:hint:hint: git branch -m <name>Initialised empty Git repository in /var/cache/obuilder/ocluster/git/bitv.git-7f0b62793a025827c544d43688f29a76e7c7a897/.git/HEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745)Unable to find image 'ocaml/opam:opensuse-15.6-ocaml-5.4@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745' locallydocker.io/ocaml/opam@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745: Pulling from ocaml/opam2824220eb759: Pulling fs layerd6e0f6bf3ee8: Pulling fs layer98ea95f8982c: Pulling fs layer66c4e2d11417: Pulling fs layer178bf13c4542: Pulling fs layer3363b6690622: Pulling fs layer178bf13c4542: Waiting2f360ed5ed1c: Pulling fs layer3363b6690622: Waiting0157dc55738d: Pulling fs layer2f360ed5ed1c: Waitingadbd7b083662: Pulling fs layer0157dc55738d: Waiting08da4b8ec306: 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complete0157dc55738d: Download completeadbd7b083662: Verifying Checksumadbd7b083662: Download complete08da4b8ec306: Verifying Checksum08da4b8ec306: Download complete2d08af6962f0: Verifying Checksum2d08af6962f0: Download complete0eb7579d9e49: Download completea469e6a3633d: Verifying Checksuma469e6a3633d: Download complete82c744fdb18a: Verifying Checksum82c744fdb18a: Download complete36b9f578dfd0: Verifying Checksum36b9f578dfd0: Download complete67e235ccb630: Verifying Checksum67e235ccb630: Download complete054af01a93fc: Verifying Checksum054af01a93fc: Download completee8dd567f0fce: Download complete4f4fb700ef54: Verifying Checksum4f4fb700ef54: Download complete95a8dc77b77e: Download completecc10f5cb66cf: Verifying Checksumcc10f5cb66cf: Download completec6967ed40884: Verifying Checksumc6967ed40884: Download complete86261b212eac: Download completec593fa27ed82: Verifying Checksumc593fa27ed82: Download complete327409bbc709: Verifying Checksum327409bbc709: Download complete68843b0965c1: Verifying Checksum68843b0965c1: Download complete1dce24306ea4: Verifying Checksum1dce24306ea4: Download completed41b89be77dc: Verifying Checksumd41b89be77dc: Download completea847491754f8: Verifying Checksuma847491754f8: Download complete2ba6e682b334: Verifying Checksum2ba6e682b334: Download complete88783f87eac5: Verifying Checksum88783f87eac5: Download complete2824220eb759: Download completeeffccec7e4d4: Verifying Checksumeffccec7e4d4: Download complete2824220eb759: Pull completed6e0f6bf3ee8: Pull complete98ea95f8982c: Pull complete2f4d54523759: Verifying Checksum2f4d54523759: Download complete66c4e2d11417: Verifying Checksum66c4e2d11417: Download completee8dea40a6ae6: Verifying Checksume8dea40a6ae6: Download completec433d8fc16c8: Verifying Checksumc433d8fc16c8: Download complete5be5b25f37bd: Verifying Checksum5be5b25f37bd: Download complete8a320261bc75: Verifying Checksum8a320261bc75: Download completef36d6c98cb79: Verifying Checksumf36d6c98cb79: Download complete48745103a26a: Verifying Checksum48745103a26a: Download complete303d675deef6: Verifying Checksum303d675deef6: Download complete49510a9bffbc: Download complete2c60e853f538: Verifying Checksum2c60e853f538: Download complete66c4e2d11417: Pull complete178bf13c4542: Pull complete3363b6690622: Pull complete2f360ed5ed1c: Pull complete0157dc55738d: Pull complete94a228a5ee2b: Verifying Checksum94a228a5ee2b: Download completeadbd7b083662: Pull complete08da4b8ec306: Pull complete2d08af6962f0: Pull complete0eb7579d9e49: Pull completea469e6a3633d: Pull complete82c744fdb18a: Pull complete36b9f578dfd0: Pull complete67e235ccb630: Pull complete054af01a93fc: Pull completee8dd567f0fce: Pull complete4f4fb700ef54: Pull complete95a8dc77b77e: Pull completecc10f5cb66cf: Pull completec6967ed40884: Pull complete86261b212eac: Pull completec593fa27ed82: Pull complete327409bbc709: Pull complete68843b0965c1: Pull complete1dce24306ea4: Pull completed41b89be77dc: Pull completea847491754f8: Pull complete2ba6e682b334: Pull complete88783f87eac5: Pull complete94a228a5ee2b: Pull completeeffccec7e4d4: Pull complete2f4d54523759: Pull completec433d8fc16c8: Pull completee8dea40a6ae6: Pull complete5be5b25f37bd: Pull complete8a320261bc75: Pull completef36d6c98cb79: Pull complete48745103a26a: Pull complete2c60e853f538: Pull complete303d675deef6: Pull complete10d6d5991602: Pull complete49510a9bffbc: Pull completeDigest: sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc6745Status: Downloaded newer image for ocaml/opam@sha256:40e86c2b4445dd7c40b427d465672f4f0d7e5e6d40b5e43edf29b930a4cc67452026-05-05 17:27.06 ---> using "5a3680208c73beb3331771a2f7c7cfa44299220a0d1ff13e680cdae5b80bdaf8" from cache/: (comment opensuse-15.6-5.4_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"))2026-05-05 17:27.06 ---> using "463c319ef5be82dadb4076ef7cbdb1657274c5987ad974c76f4520c6671653ad" 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 17:27.06 ---> using "78bb359f9aafa4629dc59de13b9deb4bc92d380688527008853d4cbf7d329c49" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-110-genericThe OCaml toplevel, version 5.4.12.5.02026-05-05 17:27.06 ---> using "f6fc4b12b0418b37aa6f9f032abf9c0881c3fa85253a420db64176a4057fa51e" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-05 17:27.06 ---> using "1b29546a3142f107d43752c85d792b294550aa31a3a2bc5277f7fff61f0aa274" 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_HEAD42844088d7..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-repositorydefault (at git+file:///home/opam/opam-repository):[WARNING] opam is out-of-date. Please consider updating it (https://opam.ocaml.org/doc/Install.html)default (at git+file:///home/opam/opam-repository):[INFO] opam 2.5.1 includes security fixes; please consider upgrading (https://opam.ocaml.org/doc/Install.html)Everything as up-to-date as possibleHowever, 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 17:27.06 ---> using "a11968f3feb325792cfeb6dbf1a880855f5647391f7afdf1e853e9f2715506b6" from cache/src: (copy (src bitv.opam) (dst ./))2026-05-05 17:27.07 ---> saved as "c7c84b48951bc6e87e23842be8fabf5609fb7a5c835134cdb877ee3483d903e4"/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 17:27.09 ---> saved as "374fceef6a046830f3b2e66e61590fddf8547f7f4ae3d9d6c084d9e336648f87"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-05 17:27.09 ---> saved as "0f1661f0f1147f5db54653ea636f4ff5a9c4923f09bd92b2bf61973fdb4852ca"/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.23.0 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 "zypper" "--non-interactive" "refresh"- Retrieving repository 'Update repository of openSUSE Backports' metadata [..-- Looking for gpg keys in repository Update repository of openSUSE Backports.- gpgkey=http://download.opensuse.org/update/leap/15.6/backports/repodata/repomd.xml.key- .......- ....- ....- ....- ....- ....- ....- ....- ....- ....- ....- ....- ...- ....- ....- ..........- ........done]- Building repository 'Update repository of openSUSE Backports' cache [..- ..done]- Retrieving repository 'Update repository with updates from SUSE Linux Enterprise 15' metadata [..- Looking for gpg keys in repository Update repository with updates from SUSE Linux Enterprise 15.- gpgkey=http://download.opensuse.org/update/leap/15.6/sle/repodata/repomd.xml.key- .- ......- ....- ....- ....- ....- .........- ...........- ..........- ..........- ..........- ..........- .........- ..........- ..........- ..........- ..........- ..........- ........- ..........done]- Building repository 'Update repository with updates from SUSE Linux Enterprise 15' cache [..- ..done]- Retrieving repository 'Main Update Repository' metadata [..- Looking for gpg keys in repository Main Update Repository.- gpgkey=http://download.opensuse.org/update/leap/15.6/oss/repodata/repomd.xml.key- ..- .....- ....- ....- ....- ....- .........- ........done]- Building repository 'Main Update Repository' cache [....done]- Retrieving repository 'Update Repository (Non-Oss)' metadata [.- .- Looking for gpg keys in repository Update Repository (Non-Oss).- gpgkey=http://download.opensuse.org/update/leap/15.6/non-oss/repodata/repomd.xml.key- .....- ....- ....- ....- ....- ....- ...........done]- Building repository 'Update Repository (Non-Oss)' cache [....done]- Repository 'Non-OSS Repository' is up to date.- Repository 'Main Repository' is up to date.- All repositories have been refreshed.<><> 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)2026-05-05 17:28.49 ---> saved as "9a4e28f06807c9881762470e921148f1584d66f081258fbe01b3e29c7f6c5aa4"/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 3.23.0<><> 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 17:29.30 ---> saved as "1735ca65ab1c0b1d9eea65cc738abe224dc13a377dea6f6ec4c8611690af135b"/src: (copy (src .) (dst /src))2026-05-05 17:29.31 ---> saved as "39afc5f649f92d5c3e40104d9f0c6773e53cf802aea74a24398a2d4168c9e1c7"/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 12026-05-05 17:29.32: Job failed: Failed: Build failed