2026-06-25 14:39.18: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:debian-12-5.5_opam-2.5) Base: ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0 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-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0 # debian-12-5.5_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-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0-debian-12-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a" 2026-06-25 14:39.18: Using OBuilder spec: ((from ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0) (comment debian-12-5.5_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 14:39.18: Waiting for resource in pool OCluster 2026-06-25 15:11.17: Waiting for worker… 2026-06-25 15:15.49: Got resource from pool OCluster Building on phoebe.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0) Unable to find image 'ocaml/opam:debian-12-ocaml-5.5@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0' locally docker.io/ocaml/opam@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0: Pulling from ocaml/opam 01cedcff86f8: Already exists 9bf581ba34fd: Already exists 6c4bd78e0c43: Already exists 799649323729: Already exists 1ae4fb0c8a4a: Already exists b237ecdf51a3: Already exists b16ee2e05313: Already exists adb989234928: Already exists e3a01a28a7ad: Already exists ca0e54137564: Already exists e88b1a083917: Already exists d10f17e04c11: Already exists d38ea67f8871: Already exists 8153ec1c4f57: Already exists 0546e39b6053: Already exists 5ebdad05b03e: Already exists 6435672f1863: Already exists 5c5711f4465e: Already exists 7264e6096409: Already exists 2202cd0e879d: Already exists c31277fa0297: Already exists 4f4fb700ef54: Already exists 8e159597691d: Already exists c0ebccf77ab9: Already exists b7093a70d5d5: Already exists f2a57dfa5358: Already exists 93b66eaa292a: Already exists 0aba2ee32120: Already exists 60033bb88c74: Already exists 883b72a7df53: Already exists 9aaba240d281: Already exists fd24333fa18a: Already exists ab20f402dc6f: Already exists a3afc412b613: Already exists dd4125684748: Already exists ceb2df76c559: Already exists f7ccc162a221: Already exists 34ab2afe4a21: Already exists d633eb0495b6: Already exists 725b8fe35ff0: Already exists 389158e4fd73: Pulling fs layer 7545a5a47fa3: Pulling fs layer d6fad63240c0: Pulling fs layer 389158e4fd73: Waiting 7545a5a47fa3: Waiting 4f16cfd6b2e7: Pulling fs layer eef18e33f558: Pulling fs layer d6fad63240c0: Waiting 4f16cfd6b2e7: Waiting a4a234f26864: Pulling fs layer 33af7e7ec4b5: Pulling fs layer eef18e33f558: Waiting 33af7e7ec4b5: Waiting a4a234f26864: Waiting 389158e4fd73: Verifying Checksum 389158e4fd73: Download complete 389158e4fd73: Pull complete 7545a5a47fa3: Download complete 7545a5a47fa3: Pull complete d6fad63240c0: Verifying Checksum d6fad63240c0: Download complete d6fad63240c0: Pull complete eef18e33f558: Download complete a4a234f26864: Verifying Checksum a4a234f26864: Download complete 33af7e7ec4b5: Download complete 4f16cfd6b2e7: Verifying Checksum 4f16cfd6b2e7: Download complete 4f16cfd6b2e7: Pull complete eef18e33f558: Pull complete a4a234f26864: Pull complete 33af7e7ec4b5: Pull complete Digest: sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0 Status: Downloaded newer image for ocaml/opam@sha256:bde7626717a5586972c32d59ac1daf7afce99db50fafd4c831841dac9bff43a0 2026-06-25 15:15.49 ---> using "228ca740acddf2eea3670dcf0ce71e10e87bb0dbff5c47936f8a95dddd86b0ee" from cache /: (comment debian-12-5.5_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 15:15.49 ---> using "ae3c979b338c3812081555695794bf25cf14bac1a466b6f26a14e17275e2d977" 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 15:15.49 ---> using "8609ed1b5f82463ab25920811def91d5487b8dbd4aa4e25d6bd654dcf8ca7fe7" 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 Format upgrade done. 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 <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-25 15:15.49 ---> using "45cc4c043107076f2c6ae282cb4d91527b2d6db2e936a92f5b08d3889b05ba3b" 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 15:15.49 ---> using "3ae790830242167e1b8ce6ec640990beab10a5e51c3ba2a7160ae0c55766f475" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 15:15.49 ---> using "88a30cce3ce379d01bda8abebdfdb35d032c6417b4154c16fadc7b7e01f3ac35" 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 15:15.49 ---> using "ac9e687750b62d423a07d93b3047d7dee9f87899cc4b4b8358f43a511b49e7dc" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 15:15.49 ---> using "28cb559bc31cd0cf332bacdb07266576406b196dc87db6d38a0033b02890743c" 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 15:15.49 ---> using "8dc8475c2343ca19b81c35c5bed9d19cb0eeaaea1a9fa0c778304472e6edc8a0" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 15:15.49 ---> using "bc2eb4851dd75c41122cb15348a8787545cb16589f7c948b3a2cb3b13f238374" 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 bookworm InRelease - Get:2 http://deb.debian.org/debian bookworm-updates InRelease [55.4 kB] - Get:3 http://deb.debian.org/debian-security bookworm-security InRelease [48.0 kB] - Get:4 http://deb.debian.org/debian-security bookworm-security/main amd64 Packages [313 kB] - Fetched 416 kB in 1s (436 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 15:15.49 ---> using "08291a9f65feefe50374597d4d0dad0a145e8002c2d4c2d4446de1c3259c39a4" 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 15:16.54 ---> saved as "584d34cce169f44c630826b88281ecad046c07c763845a2657282d83ea11ea51" /src: (copy (src .) (dst /src)) 2026-06-25 15:16.54 ---> saved as "82a4a7adb0ec4c149c3e2cb77d5eee623e7227a8511ac9f8a2d9d335087486de" /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 15:16.55: Job failed: Failed: Build failed