2026-06-25 14:39.17: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/pull/41/head (0e42d4c622b7b4cd629990a7dd6bceddcf46b19b) (linux-x86_64:ubuntu-24.04-5.5_opam-2.5) Base: ocaml/opam:ubuntu-24.04-ocaml-5.5@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3 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:ubuntu-24.04-ocaml-5.5@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3 # ubuntu-24.04-5.5_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 14:39.17: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-24.04-ocaml-5.5@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3-ubuntu-24.04-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a" 2026-06-25 14:39.17: Using OBuilder spec: ((from ocaml/opam:ubuntu-24.04-ocaml-5.5@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3) (comment ubuntu-24.04-5.5_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 14:39.17: Waiting for resource in pool OCluster 2026-06-25 15:11.11: Waiting for worker… 2026-06-25 15:15.41: 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:ubuntu-24.04-ocaml-5.5@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3) Unable to find image 'ocaml/opam:ubuntu-24.04-ocaml-5.5@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3' locally docker.io/ocaml/opam@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3: Pulling from ocaml/opam d5316e96d72e: Pulling fs layer 95f405d87ec2: Pulling fs layer 08b5c10674de: Pulling fs layer 9b107a845176: Pulling fs layer 34ae99ae98c7: Pulling fs layer 27d7873fb110: Pulling fs layer 573e338276be: Pulling fs layer 9b107a845176: Download complete 27d7873fb110: Download complete 08b5c10674de: Download complete 573e338276be: Download complete d5316e96d72e: Download complete 34ae99ae98c7: Download complete 34ae99ae98c7: Pull complete 573e338276be: Pull complete d5316e96d72e: Pull complete 95f405d87ec2: Download complete 9b107a845176: Pull complete 27d7873fb110: Pull complete 08b5c10674de: Pull complete Digest: sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3 Status: Downloaded newer image for ocaml/opam@sha256:0335f4e32ee3e4167a7ed7e5cc5d5a42b667037749dedc918ca84a7ed585acf3 2026-06-25 15:15.41 ---> using "b952ac72a8633b2855081ebdfa02242b9f4f0edbc7a810d506c7d1ca8d411e62" from cache /: (comment ubuntu-24.04-5.5_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 15:15.41 ---> using "4087d355b9c3858e7591b7f1a9b3e908a64316f62b382d9a752e1db4356f2c2b" 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 15:15.41 ---> using "50094d793de2b9aaa5cac9c35bbc4147e38a4ee326bcc1c6a167411f74ca710f" 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 15:15.41 ---> using "226dffca755c018bded7eefac1afdc8d4c52cb3e65c53786b4bf0de62b8967c3" 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 15:15.41 ---> using "f1f4be2d36c2099b48a4ca40e2c27f9a70032072936f56875c64db947ca702fb" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 15:15.41 ---> using "768b0c7721686d74431c1ac3110f30ff819b8fa6bcaf3d05fda35ffb6016c13a" 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 15:15.41 ---> using "189b4dd343d04e40872346594b82c7d36a8072884d4aaa1659034423e36ef4c4" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 15:15.41 ---> saved as "c501aff41c22caa0b69d80d6fdb7667e7aa42f653add7bf0737a8330f10560a2" /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 15:15.43 ---> saved as "5717820c60524e5a63b8b2654be435f91971234c081ba511d721fd5e575b8465" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 15:15.43 ---> saved as "df69729d134da1391dfb4e44f906acd8e842db3742678d071bf02a0cf8b94742" /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://archive.ubuntu.com/ubuntu noble InRelease - Get:2 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB] - Get:3 http://archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB] - Get:4 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [966 kB] - Get:5 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [1486 kB] - Get:6 http://archive.ubuntu.com/ubuntu noble-backports InRelease [126 kB] - Get:7 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [1286 kB] - Get:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [2108 kB] - Fetched 6225 kB in 1s (4758 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 15:15.53 ---> saved as "55e62ff677cc6fe19a677e9da7629dfb3f01ad2920020dc02d410ba5973c5a7a" /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 15:16.25 ---> saved as "7ced208ae6a63b72eb64b632858504955ddc338ab218ad9d35f7e4a87ca93ae0" /src: (copy (src .) (dst /src)) 2026-06-25 15:16.25 ---> saved as "1ad4723ed4a5681578bd514535b9561bac57a38359b143cae2cd530a382c7b5a" /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 15:16.26: Job failed: Failed: Build failed