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-13-5.5_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4 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:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4 # debian-13-5.5_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-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4-debian-13-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a" 2026-06-25 14:39.18: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4) (comment debian-13-5.5_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 15:11.16: Waiting for worker… 2026-06-25 15:17.05: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4) Unable to find image 'ocaml/opam:debian-13-ocaml-5.5@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4' locally docker.io/ocaml/opam@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4: Pulling from ocaml/opam ef1b08ddd59d: Already exists 4be7c24ca8ee: Already exists 05da861ea237: Already exists 8f1be68e1863: Already exists 962a521ff79f: Already exists 4355eac69067: Already exists f117722b2d11: Already exists a16e9bb77185: Already exists 78d92c79e1de: Already exists b678657777d1: Already exists d8ffd0023eb2: Already exists 3f61de3f7389: Already exists 9eba3392dbeb: Already exists 1f24a992a9f0: Already exists 27510d0dd50a: Already exists 2856754bb498: Already exists 2856754bb498: Already exists 79eebcca3782: Already exists 4878ed0874c4: Already exists 2a7a1359c1bd: Already exists a30084a3341d: Already exists 4f4fb700ef54: Already exists f26b54c73d9e: Already exists f7b0fd900d70: Already exists 83a223ff55a1: Already exists 6fc3c60f5e79: Already exists 9cea23387665: Already exists 3c4d93aeba05: Already exists 44348d840700: Already exists 5893e1a583b2: Already exists 694a9c1e510b: Already exists 3faa91a6cf3d: Already exists 5fec9cf7363e: Already exists fa0e0f649f8d: Already exists 75da1c97479e: Already exists f37a56d09091: Already exists 7c0b0eda3e68: Already exists 3df7fcf27f23: Already exists 1af977c4a535: Already exists 87f0ca695158: Already exists b9baadac1984: Pulling fs layer 6f49f59b0237: Pulling fs layer da300e2ae937: Pulling fs layer fdcf699d7b28: Pulling fs layer 75786cdf6a69: Pulling fs layer 53147f328c60: Pulling fs layer ef963fae931b: Pulling fs layer b9baadac1984: Waiting 75786cdf6a69: Waiting fdcf699d7b28: Waiting da300e2ae937: Waiting 53147f328c60: Waiting 6f49f59b0237: Waiting ef963fae931b: Waiting b9baadac1984: Pull complete 6f49f59b0237: Verifying Checksum 6f49f59b0237: Download complete 6f49f59b0237: Pull complete da300e2ae937: Verifying Checksum da300e2ae937: Download complete da300e2ae937: Pull complete 75786cdf6a69: Verifying Checksum 75786cdf6a69: Download complete 53147f328c60: Verifying Checksum 53147f328c60: Download complete ef963fae931b: Download complete fdcf699d7b28: Verifying Checksum fdcf699d7b28: Download complete fdcf699d7b28: Pull complete 75786cdf6a69: Pull complete 53147f328c60: Pull complete ef963fae931b: Pull complete Digest: sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4 Status: Downloaded newer image for ocaml/opam@sha256:f5b13366315633fb92bc9984c5053f619682b528dbbfa8fd961f0e2fbeb752e4 2026-06-25 15:17.09 ---> using "054811d928668669e2829137f96dd8c1e7659661f194e31cf4fc8afeb89b68ce" from cache /: (comment debian-13-5.5_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 15:17.10 ---> using "09c65482b1b12d0864db36c47f562c7773c815deeb1a50c13dcb414a866ca7e1" 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 15:17.10 ---> using "88a413791b944b7fe8bb9763556c35b7752448770cffc99980bacab35adc5b1b" 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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository 2026-06-25 15:17.11 ---> using "74c57d263950dee3526c5fbeaa5ee5ef05e8fd94e959fccdfe3ea1eca7f758ca" 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 15:17.12 ---> using "0de2395eddce1e2b4cd77938a705e7aa003b609ddb54173774677de95fc8c435" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 15:17.12 ---> using "1b4e8b2fe1e444e99b2e46742b0dfe92d117c7bd4c7275028a3aefcbf28c1ec9" 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 15:17.14 ---> using "a90a97f5d5196fc677b9addee0992142b3fa792288ce166d17c9b2fc0c84ddb4" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 15:17.14 ---> using "1f6321f46cc23520d37df12be4d933f9682c1cfe6becf9ec3e0d440f783cf378" 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 15:17.14 ---> using "240ab945b66381282d2b4923787beb43f26d4466ed6374c5a2776972e1dc173c" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 15:17.14 ---> using "704dc23cac19a62f46619d0b69810a4742f2d06fbfa5529dfeea71c4e8c86956" 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 amd64 Packages [222 kB] - Fetched 313 kB in 0s (2734 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 15:17.15 ---> using "2ecea7819f0f36add23ba03600fb60f7fca1585215e9cc8ff166d7cb8ea2a11d" 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 15:17.18 ---> saved as "4fce27817f0d0013919d5fc0932307f070db9c7ffaa3a31def715f6cebe4fccc" /src: (copy (src .) (dst /src)) 2026-06-25 15:17.41 ---> saved as "ac0ababa7f1d0d1ca1f9abed305967d0c12ec8d807431d881bfc536778b627ec" /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 15:17.56: Job failed: Failed: Build failed