2026-05-27 07:19.47: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:ubuntu-25.04-4.14_opam-2.5)Base: ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3Opam 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:ubuntu-25.04-ocaml-4.14@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3# ubuntu-25.04-4.14_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-BLOCK2026-05-27 07:19.47: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3-ubuntu-25.04-4.14_opam-2.5-eae4555874c5f41f1479b84289105c80"2026-05-27 07:19.47: Using OBuilder spec:((from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3)(comment ubuntu-25.04-4.14_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")))2026-05-27 07:19.47: Waiting for resource in pool OCluster2026-05-27 07:20.04: Waiting for worker…2026-05-27 07:20.04: Got resource from pool OClusterBuilding on eumache.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3)Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3' locallydocker.io/ocaml/opam@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3: Pulling from ocaml/opamc62190a9ab61: Already exists3ffa5fa4c338: Pulling fs layer1ad98d62710f: Pulling fs layer32b7f1733f93: Pulling fs layer60b6d784b3f1: Pulling fs layer1ad98d62710f: Waiting5a2a6d451e1f: Pulling fs layer32b7f1733f93: Waiting3ffa5fa4c338: Waiting6331cc613db1: Pulling fs layer60b6d784b3f1: Waiting5a2a6d451e1f: Waitingcd17da539bcb: Pulling fs layer6331cc613db1: Waitinga78785a8707a: Pulling fs layer017a8e839984: Pulling fs layercd17da539bcb: Waitinga78785a8707a: Waiting269878e77d3e: Pulling fs layer017a8e839984: Waitingd105ce9936af: Pulling fs layer6a816e31a608: Pulling fs layerc561c5e7e836: Pulling fs layer269878e77d3e: Waiting2c2bead92061: Pulling fs layerd105ce9936af: Waiting181b5e50467a: Pulling fs layerc561c5e7e836: Waiting6a816e31a608: Waiting2c2bead92061: Waiting181b5e50467a: Waitinge1747048878a: Pulling fs layer9964000ee5c2: Pulling fs layer2f528d56ff17: Pulling fs layere1747048878a: Waiting0cae2e739013: Pulling fs layer9964000ee5c2: Waiting4f4fb700ef54: Pulling fs layer2f528d56ff17: Waiting7b56ac9ded88: Pulling fs layer4f4fb700ef54: Waiting02acd4f922b8: Pulling fs layer5820f3f0ac5b: Pulling fs layer0cae2e739013: Waiting565d3d2f91e3: Pulling fs layer02acd4f922b8: Waiting6011b75baccf: Pulling fs layer7b56ac9ded88: Waitingaa679525444d: Pulling fs 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complete5a2a6d451e1f: Pull complete8d2cef0a103d: Download complete1ebb3eb77b53: Verifying Checksum1ebb3eb77b53: Download complete6331cc613db1: Pull completedcb6948decd1: Verifying Checksumdcb6948decd1: Download completeaf2e6699089c: Verifying Checksumaf2e6699089c: Download completecd17da539bcb: Pull completee13152495ead: Verifying Checksume13152495ead: Download completea78785a8707a: Pull complete017a8e839984: Pull complete269878e77d3e: Pull completed105ce9936af: Pull complete6a816e31a608: Pull completec561c5e7e836: Pull complete2c2bead92061: Pull complete181b5e50467a: Pull completee1747048878a: Pull complete9964000ee5c2: Pull complete2f528d56ff17: Pull complete0cae2e739013: Pull complete4f4fb700ef54: Pull complete7b56ac9ded88: Pull complete02acd4f922b8: Pull complete5820f3f0ac5b: Pull complete565d3d2f91e3: Pull complete6011b75baccf: Pull completeaa679525444d: Pull complete6233cfda6bc6: Pull completee337c50fadae: Pull complete68480da602a2: Pull completefe8455ef7fdd: Pull complete376ec1c1ff04: Pull complete62414c6876a0: Pull completee13152495ead: Pull complete7237efe4b8d6: Pull completedcb6948decd1: Pull complete9ef3e7aa87ba: Pull completecd0bb5382221: Pull complete18f69dc7a237: Pull completea2e0e75156e8: Pull complete8d2cef0a103d: Pull complete1ebb3eb77b53: Pull completeaf2e6699089c: Pull completeDigest: sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a3Status: Downloaded newer image for ocaml/opam@sha256:8d8c0e6495cfba3d2aec8694dca38e6297090534741b934f7effa0ac5df4e2a32026-05-27 07:22.29 ---> saved as "ba0b4e302ef2a5e9263f83048ac28906cbdea9e3c191aa9493eeacb40f39272f"/: (comment ubuntu-25.04-4.14_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"))2026-05-27 07:22.29 ---> saved as "524407d8fe112b7bfa75e00567b985b67279940b6e7f65d5ed4175eb6d6baed4"/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"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADfc08333d1b..d44435513c master -> origin/masterc180e16309 Merge pull request #29907 from dra27/host-arch-fixes2026-05-27 07:22.34 ---> saved as "27d2300354b056df6e51b252d753a0ac8b0e38e10a3dc22ff67544323b6fd49f"/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.[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 --globalContinue? [Y/n] yFormat upgrade done.<><> 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"[default] synchronised from git+file:///home/opam/opam-repository2026-05-27 07:22.47 ---> saved as "ec2e3a1604e84cabcdff479fdca1c25eec16523a63e7b3ac2e26a20c104a8afa"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-111-genericThe OCaml toplevel, version 4.14.32.5.12026-05-27 07:22.47 ---> saved as "07668deda066b9814cc4dc383f9f5fe87dc3f770a5c3c27e64c6a01dcf283d05"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-05-27 07:22.47 ---> saved as "ca3dfa76342dcb74e7a0514dbdca2106a9ce2bb94239ee9439a6d00c1a0e5aac"/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)2026-05-27 07:22.56 ---> saved as "7f808911a116217e778dbb4cfbd068dd5fca1a3910058a56fe589a907437c5b8"/src: (copy (src bitv.opam) (dst ./))2026-05-27 07:22.56 ---> saved as "5c87000d382a0d15f6ceb0de39cdc38b1281b24af418ddde3dea541201e96cc3"/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)2026-05-27 07:22.58 ---> saved as "29ff45f1b363940e0c47dcbb07d382066dd88732926b5c8cdf2e2ac7ec6f3139"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-05-27 07:22.58 ---> saved as "e03a1cfe3126d42dcedec01f93ac896b806baacf7c1776319197123b7087c6bb"/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 "apt-get" "update"- Hit:1 http://security.ubuntu.com/ubuntu plucky-security InRelease- Hit:2 http://archive.ubuntu.com/ubuntu plucky InRelease- Hit:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease- Hit:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease- 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)2026-05-27 07:23.10 ---> saved as "57a15be9dc6a34140ca1c1e011d195a27ecfe06b945e2ea7afdfe854f59bc026"/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)2026-05-27 07:23.58 ---> saved as "624711ebe8d97b7f7af93a6612caec7e69fb7a248079fa9ed8ca8340c7964669"/src: (copy (src .) (dst /src))2026-05-27 07:23.58 ---> saved as "e4bff52e544ae9253bcbb1e1ba08efb0fab725435e30a27304234f618de6b6ee"/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 12026-05-27 07:23.59: Job failed: Failed: Build failed