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-22.04-5.5_opam-2.5) Base: ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac 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-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac # ubuntu-22.04-5.5_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-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac-ubuntu-22.04-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a" 2026-06-25 14:39.17: Using OBuilder spec: ((from ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac) (comment ubuntu-22.04-5.5_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 15:16.47: 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:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac) Unable to find image 'ocaml/opam:ubuntu-22.04-ocaml-5.5@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac' locally docker.io/ocaml/opam@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac: Pulling from ocaml/opam 40d16f30db40: Already exists bb400e179514: Already exists 16d4f8ac24a4: Already exists 1a574a1dc4cd: Already exists ff399ac86e4e: Already exists 44d18f47cece: Already exists 94de7c6a24c2: Already exists 68a1a9e0c368: Already exists 9fd21a4f6c01: Already exists 88c58a7980cf: Already exists ac4382b47d63: Already exists 0052de2d1ca9: Already exists 03e0523f22e4: Already exists 5c85abc633ac: Already exists 0c5f77b637c7: Already exists 227d5cec7b40: Already exists 227d5cec7b40: Already exists 4f4fb700ef54: Already exists bb7d2c6ebfeb: Already exists d6f4ed1d55d9: Already exists 28538b3767c4: Already exists 4f4fb700ef54: Already exists 3a243e0f6f38: Already exists 2c190991561c: Already exists fa35297ae06b: Already exists 0b66b9c3a208: Already exists 34b026153e43: Already exists 31aab2e3ff99: Already exists 434258d35c47: Already exists 329c7c21a2bb: Already exists 7f1dbdf843a8: Already exists cbbfbcf8b2a3: Already exists d7e947e52008: Already exists 6e8c89060550: Already exists 2c3265b9572c: Already exists d1b5844b68dd: Already exists f5058759f2f3: Already exists c38e8383f914: Already exists 4f4fb700ef54: Already exists 404833de0e7e: Already exists b09bde0b4c21: Pulling fs layer 019193535d89: Pulling fs layer a264caa16f7c: Pulling fs layer b09bde0b4c21: Waiting 184a5bd488bc: Pulling fs layer 019193535d89: Waiting 66010937a7e5: Pulling fs layer a264caa16f7c: Waiting 184a5bd488bc: Waiting dd2f2814d2a3: Pulling fs layer 66010937a7e5: Waiting 7bae5aadf5e0: Pulling fs layer dd2f2814d2a3: Waiting 7bae5aadf5e0: Waiting b09bde0b4c21: Verifying Checksum b09bde0b4c21: Download complete 019193535d89: Verifying Checksum 019193535d89: Download complete a264caa16f7c: Verifying Checksum a264caa16f7c: Download complete b09bde0b4c21: Pull complete 019193535d89: Pull complete a264caa16f7c: Pull complete 184a5bd488bc: Verifying Checksum 184a5bd488bc: Download complete 66010937a7e5: Verifying Checksum 66010937a7e5: Download complete dd2f2814d2a3: Download complete 7bae5aadf5e0: Download complete 184a5bd488bc: Pull complete 66010937a7e5: Pull complete dd2f2814d2a3: Pull complete 7bae5aadf5e0: Pull complete Digest: sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac Status: Downloaded newer image for ocaml/opam@sha256:838654778875c1e3606174cf614d5dc8523408bdbf8ce386f3201c6dce92feac 2026-06-25 15:17.03 ---> using "f21fc65a119ced11b5c6127c0ad175b0d54b9cd60aa41c177b9f36198afb0c1a" from cache /: (comment ubuntu-22.04-5.5_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 15:17.05 ---> using "9d1721bb23891ac964fd72dd69aef9818cd6231fb93ed7d8677f8ef115e147b7" 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 15:17.05 ---> using "e9928f28cf4ebcc2c475f3025e43d387fcd81244d5cc851e1ebf5aec219f5ff3" 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 15:17.06 ---> using "ab8264874d71c66ed836cb6f6ff30f23df60d81a270bbe4b45b869a3d612bf71" 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 15:17.07 ---> using "91d4bc6f4636d4c09da6ef6fdb442e25dc5347f8d2018ef9ad3849b6e62a2c09" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 15:17.08 ---> using "4dcba0c27d1c1b1ac7d618317d449f3d51232d53ee172396bbb6e902e0ddfd29" 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 15:17.09 ---> using "d6bf8011ff0c2f2d3d06810f55c7f066defe4bf66322878d86544ed298649b4b" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 15:17.10 ---> using "452f67e0100b6cba0447f9cb8dbd2ebdcfa82513121972ee56cc1446148b6b09" 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 15:17.10 ---> using "569c9f8b1989c4ee66765eeffc6cab2aa1c97d194d4d4f4bde1e2cffe7f2d524" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 15:17.11 ---> using "fb4a192192147993abb01316d95fd59510b9263662b1dfdb990871ea0cf80420" 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" - Get:1 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB] - Hit:2 http://archive.ubuntu.com/ubuntu jammy InRelease - Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB] - Get:4 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB] - Get:5 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [4030 kB] - Get:6 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1307 kB] - Get:7 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [7228 kB] - Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [4363 kB] - Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1612 kB] - Fetched 18.9 MB in 1s (18.0 MB/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 15:17.12 ---> using "d33fbebc1ff7264ea672013f125d25c4cdeb3f6af49e2e856eb5f9c3d3f9b8dd" 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 15:17.17 ---> saved as "d38af707072d1d3a086ebe7b32390ee38592e93b0444098cac71a37756ac6a90" /src: (copy (src .) (dst /src)) 2026-06-25 15:17.39 ---> saved as "0f23a7c174bc6b6def26577b5d9559622ef9bb3c20e83ca4335f52ff430ad3a9" /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