2026-06-25 14:39.17: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:opensuse-16.0-5.5_opam-2.5)Base: ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01aOpam 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-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a# opensuse-16.0-5.5_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 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && 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 compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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-BLOCK2026-06-25 14:39.17: Using cache hint "backtracking/bitv-ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a-opensuse-16.0-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a"2026-06-25 14:39.17: Using OBuilder spec:((from ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a)(comment opensuse-16.0-5.5_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 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && 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 compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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")))2026-06-25 14:39.17: Waiting for resource in pool OCluster2026-06-25 15:11.12: Waiting for worker…2026-06-25 15:16.19: Got resource from pool OClusterBuilding on clete.caelum.ci.devAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a)Unable to find image 'ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a' locallydocker.io/ocaml/opam@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a: Pulling from ocaml/opam6ffa3bff0e88: Already exists31fbf1fe0d7e: Already existsa809bc208244: Already exists1d148d21cebb: Already exists3a869f2dcd7e: Already exists165aba7021cb: Already existsda3425560159: Already existsbfc8e602f11d: Already exists80b570d72807: Already exists618a8a30b4bd: Already exists1abb1911a794: Already existsb491c2408fcf: Already exists65cad4710409: Already existsf5bf5ccb9f9e: Already exists4c198a3b9ec7: Already exists8409b065f165: Already existsc311957f7674: Already existsc311957f7674: Already exists4f4fb700ef54: Already exists00c365079354: Already exists366f028c888b: Already exists7a081748b44e: Already existsbf4b95e6aed7: Already existsb98222b91ebe: Already existsaa15d6c85097: Already exists59544c3fd97a: Already exists45a17edd2107: Already existse7e060334999: Already existsc1271832ed80: Already existsc442b3916259: Already exists7250f53855d0: Already existse08f9fe9d814: Already exists4be334fc1a82: Already existsc29ad55bbb2a: Already exists8683202e9b8a: Already exists1a4ca28d6e65: Already exists0b567fcb70d8: Already existscb89f271b082: Pulling fs layer00e16c353503: Pulling fs layer9b97ef0bf93f: Pulling fs layerc4e0d2be7ee7: Pulling fs layer00e16c353503: Waitingcb89f271b082: Waiting7596277a7848: Pulling fs layerc4e0d2be7ee7: Waiting9b97ef0bf93f: Waiting5990fe63efaf: Pulling fs layer7596277a7848: Waiting3a2423dc9b59: Pulling fs layer5990fe63efaf: Waiting3a2423dc9b59: Waitingcb89f271b082: Verifying Checksumcb89f271b082: Download completecb89f271b082: Pull complete00e16c353503: Verifying Checksum00e16c353503: Download complete00e16c353503: Pull complete9b97ef0bf93f: Download complete9b97ef0bf93f: Pull completec4e0d2be7ee7: Verifying Checksumc4e0d2be7ee7: Download complete7596277a7848: Download complete5990fe63efaf: Verifying Checksum5990fe63efaf: Download complete3a2423dc9b59: Download completec4e0d2be7ee7: Pull complete7596277a7848: Pull complete5990fe63efaf: Pull complete3a2423dc9b59: Pull completeDigest: sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01aStatus: Downloaded newer image for ocaml/opam@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a2026-06-25 15:17.26 ---> using "5ff1db79412153f624c3dcfb7f91b525e9f8489eea51e461623a2123cfe9f688" from cache/: (comment opensuse-16.0-5.5_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"))2026-06-25 15:17.26 ---> using "d94b28f61b0d9a2d8026675638ef7472a0b1dbeb0d1d24846a8c4a44535eb1d2" from cache/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --oneline"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEADb85f65c75d..ceed23f9d3 master -> origin/master2569983dbf Merge pull request #30085 from Octachron/OCaml_5.5.0_fix_relocatable_build2026-06-25 15:17.26 ---> using "f7a4403a26e26988d61528bde5bcc826ea9ed0011fd407d1e8143b0f24023269" 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-repository2026-06-25 15:17.26 ---> using "b12756a3a8e81321b958d45ccedaf05e786d7e4d47919ff9fc94dd7dde4de29f" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 5.5.02.5.12026-06-25 15:17.27 ---> using "f411e689288bad1acb4d7d39490681710663790f567d94ce05d25b6c1f5a8bea" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-25 15:17.27 ---> using "a62cb4ff83a6377fd7170d2dad2565522460d22f2f6340d49dc57ce9be95f661" 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-repositoryThe following actions will be performed:=== recompile 7 packages- recompile base-domains base [uses ocaml]- recompile base-effects base [uses ocaml]- recompile base-nnp base [uses base-domains]- recompile ocaml 5.5.0 [uses ocaml-base-compiler]- recompile ocaml-base-compiler 5.5.0 (pinned) [uses ocaml-compiler]- recompile ocaml-compiler 5.5.0 [upstream or system changes]- recompile opam-depext 1.2.3 [uses ocaml]=== install 1 package- install compiler-cloning enabled [required by ocaml-compiler]<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved ocaml.5.5.0 (cached)-> removed base-effects.base-> removed base-nnp.base-> removed base-domains.base-> installed compiler-cloning.enabled-> retrieved ocaml-compiler.5.5.0 (cached)-> retrieved opam-depext.1.2.3 (cached)-> removed opam-depext.1.2.3-> removed ocaml.5.5.0-> removed ocaml-base-compiler.5.5.0-> removed ocaml-compiler.5.5.0-> installed ocaml-compiler.5.5.0-> installed ocaml-base-compiler.5.5.0-> installed ocaml.5.5.0-> installed base-domains.base-> installed base-effects.base-> installed base-nnp.base-> installed opam-depext.1.2.3Done.<><> opam-depext.1.2.3 installed successfully <><><><><><><><><><><><><><><><><>=> opam-depext is unnecessary when used with opam >= 2.1. Please use opam install directly instead<><> ocaml-compiler.5.5.0 installed successfully ><><><><><><><><><><><><><><><>=> This switch had to be compiled from sources, but future switches with the 🐌same compiler version and configuration should assemble instantly.# To update the current shell environment, run: eval $(opam env)2026-06-25 15:17.27 ---> using "2cf66167d0558868419f4ad0517c8dcef3e57e7764d769a26b6c7c5bc1e0909b" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-25 15:17.27 ---> using "3874d507a5a7d0d4b938a49391f457ec46c025ee461a4c35462b7c27897e7993" 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)2026-06-25 15:17.27 ---> using "22976ff653437a618ca7936993c2a493266a85d8443d8c4ed4962d97e15d53cd" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-25 15:17.27 ---> using "cee071cd9483a0802b5bb742a9594cf9620502b77a1e24a4ef51a2c331de5618" from cache/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base compiler-cloning.enabled dune.3.23.1 ocaml.5.5.0 ocaml-base-compiler.5.5.0 ocaml-compiler.5.5.0 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"- Repository 'repo-openh264 (16.0)' is up to date.- Retrieving repository 'repo-oss (16.0)' metadata [..- Looking for gpg keys in repository repo-oss (16.0).- gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key- ...- .- ...........- .........- ..........- ..........- .........- ..........- ..........- ......done]- Building repository 'repo-oss (16.0)' cache [..- ..done]- 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-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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)2026-06-25 15:17.27 ---> using "4e0af5fbe19d3d62c0827cca286629174f69c1e76bb4ec1a89deda57d6ec3df4" from cache/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-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.5.0).[NOTE] Package ocaml is already installed (current version is 5.5.0).[NOTE] Package compiler-cloning is already installed (current version is enabled).[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)2026-06-25 15:17.27 ---> using "b1243ad06d683d39de8e435e250e34afa5e966f95e2b36c5fbda803cc34711c3" from cache/src: (copy (src .) (dst /src))2026-06-25 15:17.30 ---> saved as "963c80f4169545930407bd88d14eb996a05e80784cd3bc41218dce59c0a0e317"/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 12026-06-25 15:17.37: Job failed: Failed: Build failed