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+flambda_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.5-flambda@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f 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-flambda@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f # debian-13-5.5+flambda_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-compiler.5.5.0 ocaml-variants.5.5.0+options" 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-flambda@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f-debian-13-5.5+flambda_opam-2.5-f9df9d0b6cc2e3fbc335e7e0528b41ab" 2026-06-25 14:39.18: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.5-flambda@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f) (comment debian-13-5.5+flambda_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-compiler.5.5.0 ocaml-variants.5.5.0+options") (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 15:16.07: Got resource from pool OCluster Building on doris.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:debian-13-ocaml-5.5-flambda@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f) Unable to find image 'ocaml/opam:debian-13-ocaml-5.5-flambda@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f' locally docker.io/ocaml/opam@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f: Pulling from ocaml/opam 912c9566fbac: Pulling fs layer 48fa6bedd5e3: Pulling fs layer e01ba87a702d: Pulling fs layer 37b6d3d4d552: Pulling fs layer c9a36705c4b3: Pulling fs layer 9d64e23b4d9c: Pulling fs layer 9420f1fd178d: Pulling fs layer 48fa6bedd5e3: Download complete 9420f1fd178d: Download complete 9d64e23b4d9c: Download complete 912c9566fbac: Download complete 9420f1fd178d: Pull complete 912c9566fbac: Pull complete 37b6d3d4d552: Download complete c9a36705c4b3: Download complete c9a36705c4b3: Pull complete e01ba87a702d: Download complete e01ba87a702d: Pull complete 48fa6bedd5e3: Pull complete 9d64e23b4d9c: Pull complete 37b6d3d4d552: Pull complete Digest: sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f Status: Downloaded newer image for ocaml/opam@sha256:ff3c0d26a0e67b19ad6c7504feb409e29468beaa3af825a06e0543bb3ba4808f 2026-06-25 15:16.07 ---> using "ca1ca96b49eace0269f292f6a41c2d61fe7a0a339088047cbb5b7983bd03e7c1" from cache /: (comment debian-13-5.5+flambda_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 15:16.07 ---> using "8021a51f9e0131b4e9f10f3b13c2e39af8804708461badd9878a3f37535009ca" 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 15:16.07 ---> using "82db99c7fdab13623606ac30b254541faca4aaf9b7a8f14d1acd291941e7d03e" 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 15:16.07 ---> using "ecbaa9052ce3fd4a71fa7fbdd4284ed75c3a451294f4b216866cd71adbce9d2a" 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 15:16.07 ---> using "3f26e331070f5f6cf93a16694a9a1f613353868bfd9e559fdbd6e02c33b231f6" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 15:16.07 ---> using "eb365554ce3ea6353ea3b00120b24130794f8ccebb35aa9134680c1ca5ae366b" 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-variants] - recompile ocaml-compiler 5.5.0 [upstream or system changes] - recompile ocaml-variants 5.5.0+options (pinned) [uses ocaml-compiler] - 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-variants.5.5.0+options -> removed ocaml-compiler.5.5.0 -> installed ocaml-compiler.5.5.0 -> installed ocaml-variants.5.5.0+options -> 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 15:16.07 ---> using "6f938f8cb0e21ebe6fe6959a0529768cde5de251d58d4d3c4576aaf86fc71814" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 15:16.07 ---> using "dfe3881ef97ab12f36f7466884854c40baea25dd1cbf76d37fdeb2a2e3b8197d" 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 15:16.07 ---> using "1cf35c3d236ce7892d23cec13afa8092d8e8c64932c1bd724edf78b8b8de40e2" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 15:16.07 ---> using "a4554d83add14fdfa0c3527cf04e82c0032c55f2aa6fac2b6451b26b99650a7f" 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-compiler.5.5.0 ocaml-variants.5.5.0+options") /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 (1991 kB/s) - Reading package lists... <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [bitv.dev] synchronised (file:///src) [NOTE] Package ocaml-variants is already installed (current version is 5.5.0+options). [NOTE] Package ocaml-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 15:16.07 ---> using "2472c7bb610c7c4b711466f6046b409f5c6ee53a6c94b5d92908bb83405a3702" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) [NOTE] Package ocaml-variants is already installed (current version is 5.5.0+options). [NOTE] Package ocaml-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 15:16.07 ---> using "86cd58365ad53a1cb84c276cbe4e3b7add477010eac1d94ac9eaec770d97252a" from cache /src: (copy (src .) (dst /src)) 2026-06-25 15:16.07 ---> saved as "500bee56da2b8dda7afb83a1595f6a84c1ab098fefae4948a99a91993db3457f" /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 15:16.08: Job failed: Failed: Build failed