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:opensuse-16.0-5.5_opam-2.5) Base: ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a 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:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a # opensuse-16.0-5.5_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:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a-opensuse-16.0-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a" 2026-06-25 14:39.17: Using OBuilder spec: ((from ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a) (comment opensuse-16.0-5.5_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 15:11.12: Waiting for worker… 2026-06-25 15:16.19: Got resource from pool OCluster Building on clete.caelum.ci.dev All commits already cached HEAD is now at 0e42d4c faster tanimoto implementation (from ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a) Unable to find image 'ocaml/opam:opensuse-16.0-ocaml-5.5@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a' locally docker.io/ocaml/opam@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a: Pulling from ocaml/opam 6ffa3bff0e88: Already exists 31fbf1fe0d7e: Already exists a809bc208244: Already exists 1d148d21cebb: Already exists 3a869f2dcd7e: Already exists 165aba7021cb: Already exists da3425560159: Already exists bfc8e602f11d: Already exists 80b570d72807: Already exists 618a8a30b4bd: Already exists 1abb1911a794: Already exists b491c2408fcf: Already exists 65cad4710409: Already exists f5bf5ccb9f9e: Already exists 4c198a3b9ec7: Already exists 8409b065f165: Already exists c311957f7674: Already exists c311957f7674: Already exists 4f4fb700ef54: Already exists 00c365079354: Already exists 366f028c888b: Already exists 7a081748b44e: Already exists bf4b95e6aed7: Already exists b98222b91ebe: Already exists aa15d6c85097: Already exists 59544c3fd97a: Already exists 45a17edd2107: Already exists e7e060334999: Already exists c1271832ed80: Already exists c442b3916259: Already exists 7250f53855d0: Already exists e08f9fe9d814: Already exists 4be334fc1a82: Already exists c29ad55bbb2a: Already exists 8683202e9b8a: Already exists 1a4ca28d6e65: Already exists 0b567fcb70d8: Already exists cb89f271b082: Pulling fs layer 00e16c353503: Pulling fs layer 9b97ef0bf93f: Pulling fs layer c4e0d2be7ee7: Pulling fs layer 00e16c353503: Waiting cb89f271b082: Waiting 7596277a7848: Pulling fs layer c4e0d2be7ee7: Waiting 9b97ef0bf93f: Waiting 5990fe63efaf: Pulling fs layer 7596277a7848: Waiting 3a2423dc9b59: Pulling fs layer 5990fe63efaf: Waiting 3a2423dc9b59: Waiting cb89f271b082: Verifying Checksum cb89f271b082: Download complete cb89f271b082: Pull complete 00e16c353503: Verifying Checksum 00e16c353503: Download complete 00e16c353503: Pull complete 9b97ef0bf93f: Download complete 9b97ef0bf93f: Pull complete c4e0d2be7ee7: Verifying Checksum c4e0d2be7ee7: Download complete 7596277a7848: Download complete 5990fe63efaf: Verifying Checksum 5990fe63efaf: Download complete 3a2423dc9b59: Download complete c4e0d2be7ee7: Pull complete 7596277a7848: Pull complete 5990fe63efaf: Pull complete 3a2423dc9b59: Pull complete Digest: sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a Status: Downloaded newer image for ocaml/opam@sha256:0d0258fa98fcd48deb9e0362211e67291549107d283b6ee5cfbe1b2b7806d01a 2026-06-25 15:17.26 ---> using "5ff1db79412153f624c3dcfb7f91b525e9f8489eea51e461623a2123cfe9f688" from cache /: (comment opensuse-16.0-5.5_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 15:17.26 ---> using "d94b28f61b0d9a2d8026675638ef7472a0b1dbeb0d1d24846a8c4a44535eb1d2" 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 15:17.26 ---> using "f7a4403a26e26988d61528bde5bcc826ea9ed0011fd407d1e8143b0f24023269" 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 15:17.26 ---> using "b12756a3a8e81321b958d45ccedaf05e786d7e4d47919ff9fc94dd7dde4de29f" 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 15:17.27 ---> using "f411e689288bad1acb4d7d39490681710663790f567d94ce05d25b6c1f5a8bea" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-25 15:17.27 ---> using "a62cb4ff83a6377fd7170d2dad2565522460d22f2f6340d49dc57ce9be95f661" 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 15:17.27 ---> using "2cf66167d0558868419f4ad0517c8dcef3e57e7764d769a26b6c7c5bc1e0909b" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-06-25 15:17.27 ---> using "3874d507a5a7d0d4b938a49391f457ec46c025ee461a4c35462b7c27897e7993" 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 15:17.27 ---> using "22976ff653437a618ca7936993c2a493266a85d8443d8c4ed4962d97e15d53cd" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-25 15:17.27 ---> using "cee071cd9483a0802b5bb742a9594cf9620502b77a1e24a4ef51a2c331de5618" 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 "zypper" "--non-interactive" "refresh" - Repository 'repo-openh264 (16.0)' is up to date. - Retrieving repository 'repo-oss (16.0)' metadata [.. - Looking for gpg keys in repository repo-oss (16.0). - gpgkey=http://cdn.opensuse.org/distribution/leap/16.0/repo/oss/x86_64/repodata/repomd.xml.key - ... - . - ........... - ......... - .......... - .......... - ......... - .......... - .......... - ......done] - Building repository 'repo-oss (16.0)' cache [.. - ..done] - All repositories have been refreshed. <><> 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 15:17.27 ---> using "4e0af5fbe19d3d62c0827cca286629174f69c1e76bb4ec1a89deda57d6ec3df4" 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 15:17.27 ---> using "b1243ad06d683d39de8e435e250e34afa5e966f95e2b36c5fbda803cc34711c3" from cache /src: (copy (src .) (dst /src)) 2026-06-25 15:17.30 ---> saved as "963c80f4169545930407bd88d14eb996a05e80784cd3bc41218dce59c0a0e317" /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 15:17.37: Job failed: Failed: Build failed