2026-06-25 14:39.18: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-arm64:debian-13-5.5_arm64_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3 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-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3 # debian-13-5.5_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 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && 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-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 $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 2026-06-25 14:39.18: Using cache hint "backtracking/bitv-ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3-debian-13-5.5_arm64_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a" 2026-06-25 14:39.18: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3) (comment debian-13-5.5_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 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 14:39.18: Waiting for resource in pool OCluster 2026-06-25 14:39.18: Waiting for worker… 2026-06-25 14:53.41: Got resource from pool OCluster Building on kydoime.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3) Unable to find image 'ocaml/opam:debian-13-ocaml-5.5@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3' locally docker.io/ocaml/opam@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3: Pulling from ocaml/opam ed660e1af0f5: Already exists 5c6e31d6f721: Already exists 1ea2cb704415: Already exists e77ea926ef13: Already exists dc248e29b92a: Already exists 3e82c1336936: Already exists f799d2f982df: Already exists 8804700ce510: Already exists f69f72c2b3cf: Already exists 4fa0772ce945: Already exists 2bf970ac077a: Already exists 3fb81cc3e03a: Already exists ec950dc8547e: Already exists b8dbbd1661bd: Already exists 718844bd488e: Already exists f7f221e930a0: Already exists d8770de6d558: Already exists 50863f42e7e6: Already exists dcd48d4b2578: Already exists cec536bb4b4c: Already exists bfeec3d53903: Already exists 4f4fb700ef54: Already exists 3a2088926371: Already exists 0febc4b842e6: Already exists 73e4991d1f66: Already exists 7e2a54e0af64: Already exists 5f7817ad6a1e: Already exists 5f57acd65e16: Already exists e2027d3fab12: Already exists 324234d18fb0: Already exists ff70d42c8c18: Already exists ccdbf99a64bb: Already exists fb75fc4f0ac9: Already exists 1d968aafa7c9: Already exists 231c6753bb46: Already exists 2cdb8e0190b3: Already exists 1febe1aeb145: Already exists 7742d250fe83: Already exists aa46109e80a6: Already exists 89e47cbe0d20: Already exists 8ad60fc024b8: Pulling fs layer 46e006b84485: Pulling fs layer e4879c198f2f: Pulling fs layer bd4da9298f94: Pulling fs layer d80c7b2728e9: Pulling fs layer 52af644b4d13: Pulling fs layer eec10b8778ca: Pulling fs layer bd4da9298f94: Waiting d80c7b2728e9: Waiting 52af644b4d13: Waiting eec10b8778ca: Waiting 8ad60fc024b8: Download complete 46e006b84485: Verifying Checksum 46e006b84485: Download complete 8ad60fc024b8: Pull complete 46e006b84485: Pull complete e4879c198f2f: Verifying Checksum e4879c198f2f: Pull complete d80c7b2728e9: Verifying Checksum d80c7b2728e9: Download complete 52af644b4d13: Verifying Checksum 52af644b4d13: Download complete eec10b8778ca: Verifying Checksum bd4da9298f94: Verifying Checksum bd4da9298f94: Download complete bd4da9298f94: Pull complete d80c7b2728e9: Pull complete 52af644b4d13: Pull complete eec10b8778ca: Pull complete Digest: sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3 Status: Downloaded newer image for ocaml/opam@sha256:ee5eeae223ada027762b52bd46383d0d1842f94781894c1c8d153a3134d6d0b3 2026-06-25 14:53.41 ---> using "cbb323d3fccb22d60a51367b2ed5885760769ca5c73fda9366390f43e8f017b8" from cache /: (comment debian-13-5.5_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")) 2026-06-25 14:53.41 ---> using "64593d6b1e9a9442635791f2578e8c556e4d06cb2c28ea78c79463e4313e4dc9" 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_HEAD b85f65c75d..ceed23f9d3 master -> origin/master 2569983dbf Merge pull request #30085 from Octachron/OCaml_5.5.0_fix_relocatable_build 2026-06-25 14:53.41 ---> using "0dbcac4c81771be7840dd4188d872c3a2fbf8952fc842f38d8c04158f32875e7" 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. [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 Continue? [Y/n] y Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-25 14:53.41 ---> using "95180caf72a6654a3e636e3211dcab66931e09eb0ff1ec7b660f9144d6a553c4" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 7.0.0-22-generic The OCaml toplevel, version 5.5.0 2.5.1 2026-06-25 14:53.41 ---> using "94f8d68670ecd4e735ff5be177f6146b583ba3a82b921877f2616eacdf9d6a24" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 14:53.41 ---> using "ae2b1f68db3dbf59a3dee2f01352268821000ba61b3638c78dee08013e9a1892" 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 The 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.1.2.3 Done. <><> 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 14:53.41 ---> using "58cfb0a4ad4461639292f044fdb87c84e5cfacae12a6c8c2779028a0a4f66b63" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 14:53.41 ---> using "2f8ab2b01ed33851db88e4782099800e50fbff5d5befe6ef2589bd4b8a53f802" 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 14:53.41 ---> using "16dfe204307ce03ddf5d210c1914538788dc6de34fe377e8bb3522aa74ce2038" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 14:53.41 ---> using "c48542d0f844de7829a085aee92808c19e27cbecbf36c10d13932ea92c204085" 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 "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 [222 kB] - Fetched 313 kB in 0s (2332 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-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 14:53.41 ---> using "936bb7862a20c2e150d54ad200d2cb1449a22e5be336d29ad171b40e07fc660b" 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.3.23.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-06-25 14:53.59 ---> saved as "394f5864c377fe4812cd9e0d2c0e6c0db76f1c30092052507065603c66ea5737" /src: (copy (src .) (dst /src)) 2026-06-25 14:53.59 ---> saved as "8dc57449ae2e8028363a747303c0c093eb62da49b302358ad082f4fe98cbe8ce" /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 1 2026-06-25 14:54.00: Job failed: Failed: Build failed