2026-05-13 10:16.55: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-arm64:debian-13-4.14_arm64_opam-2.5) Base: ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056 Opam project build To reproduce locally: git clone --recursive "https://github.com/backtracking/bitv.git" && cd "bitv" && git fetch origin "refs/pull/41/head" && git reset --hard 0e42d4c6 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056 # debian-13-4.14_arm64_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam RUN cd ~/opam-repository && (git cat-file -e a70af20c7161f9d2e1ede477647f5f9e06d6e78f || git fetch origin master) && git reset -q --hard a70af20c7161f9d2e1ede477647f5f9e06d6e78f && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN opam update -u COPY --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 $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . /src RUN opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-05-13 10:16.55: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056-debian-13-4.14_arm64_opam-2.5-c7e0c0d8ced9fa0838df644cf67adf76" 2026-05-13 10:16.55: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056) (comment debian-13-4.14_arm64_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-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")) ) 2026-05-13 10:16.55: Waiting for resource in pool OCluster 2026-05-13 10:17.13: Waiting for worker… 2026-05-13 10:20.40: Got resource from pool OCluster Building on okypous.caelum.ci.dev HEAD is now at 4ac65e7 fixed building on 32-bit arch HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056) Unable to find image 'ocaml/opam:debian-13-ocaml-4.14@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056' locally docker.io/ocaml/opam@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056: Pulling from ocaml/opam b5d74b688654: Already exists 8def289674c7: Already exists 3f5b6de22081: Already exists d04aa3e06848: Already exists 2cdb55ec25b9: Already exists a3923fbca8fd: Already exists 03b7099b3b94: Already exists 41eaab41c59e: Already exists b86d15fbb118: Already exists 4236d1b396cc: Already exists 8d5040993690: Already exists 6d8bc2a28391: Already exists 145054d23e97: Already exists 3572c673da6f: Already exists 7fbe4347c7f4: Already exists a0d383bc19c5: Already exists a0d383bc19c5: Already exists 7f57caed5f3a: Already exists f3046138ccb9: Already exists 153ad0029a60: Already exists 7e75f8a97112: Already exists 4f4fb700ef54: Already exists b655d0475047: Already exists 8709ef0a116a: Already exists 1db6e6e7eb3e: Already exists d4efbff0f557: Already exists a5d1595229f6: Already exists 66cf7c140dc7: Already exists a0f6188e4a82: Already exists 62c336f00503: Already exists c1e6e77e01e0: Already exists cabb48aa38bd: Already exists 41b33d9d234f: Already exists 85d00faf7a94: Already exists e01ef1869451: Already exists 14f0723dfba6: Already exists ec09277dc869: Already exists d0b1aa354649: Already exists 7a74960bd053: Already exists 62b505a0e0fe: Already exists 5137a98d933d: Already exists a1571589be5d: Already exists b89d9dddfe2a: Already exists 2b249f36454b: Already exists Digest: sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056 Status: Downloaded newer image for ocaml/opam@sha256:62fb594247d9ea9bea6bc7b899eac8a4f7864fa70e1be4aa7a1a0720af629056 2026-05-13 10:20.34 ---> using "b65c2b2aebc587477d087942a661688674b53684e6d7286b5e371254328a6bef" from cache /: (comment debian-13-4.14_arm64_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 10:20.34 ---> using "a52a97e92e27a79b3c2de34dc3674bf2f7ad843d9b8316945038216c5555eff8" 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-3.23.0 2026-05-13 10:20.34 ---> using "9b6b6efa78a4a3cf107945e86c53e6e1f520ac6429d21b75875ab43fd00567c8" 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. Continue? [Y/n] y 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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-05-13 10:20.34 ---> using "7112558b2afc7b66695c1456f0d17002858a499e3ae00a671386d5859558ebc1" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-111-generic The OCaml toplevel, version 4.14.3 2.5.1 2026-05-13 10:20.34 ---> using "12379b49addd5ca5ff891d13f7ef15fc8b01a50254495237363bd1e181cab244" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-05-13 10:20.34 ---> using "b750e0fe5fe6c4b835c372c80599c669c436c9f11aff96df756c76c4e6950e52" 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-repository Everything 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.3 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) 2026-05-13 10:20.34 ---> using "461ee3328e3007b143a20bf14c7c5ab9248b646324fd9d6ff8a85cb2411f3a2f" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-05-13 10:20.34 ---> using "4e240259dfbfc3fa19317344562cba3571c293e9c36130bbc27a4279f86bb3e5" 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 10:20.34 ---> saved as "e3260ea29e2254a1c69a622e10ed5fbcf7df6c2f0ef6d083ff67d392c5e30522" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-05-13 10:20.34 ---> saved as "39cee90e9dadcfddbaae04e3933c572b2221999726745520c92c6b90f226cf45" /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 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 arm64 Packages [160 kB] - Fetched 251 kB in 0s (1002 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) 2026-05-13 10:20.48 ---> saved as "a6ca0310f951f11e65c3b7f540e742175aa59a5845abdd79d72e1d3f049a1ab2" /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.3.23.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-05-13 10:21.33 ---> saved as "29cef61879f2978c3e8f2f6eceef79e17ac4add42485ab14b7edee421f3e6776" /src: (copy (src .) (dst /src)) 2026-05-13 10:21.33 ---> saved as "7fb0b6e275fe0ca2471b1e30e49606709d8913a14824dc191cdbda11565082bb" /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 1 2026-05-13 10:22.01: Job failed: Failed: Build failed