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-25.04-5.5_opam-2.5)Base: ocaml/opam:ubuntu-25.04-ocaml-5.5@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226Opam project buildTo reproduce locally:git clone --recursive "https://github.com/backtracking/bitv.git" && cd "bitv" && git fetch origin "refs/pull/41/head" && git reset --hard 0e42d4c6cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:ubuntu-25.04-ocaml-5.5@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226# ubuntu-25.04-5.5_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 2569983dbf3e7bba6895aaa326c068232317845d || git fetch origin master) && git reset -q --hard 2569983dbf3e7bba6895aaa326c068232317845d && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-25 14:39.17: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-25.04-ocaml-5.5@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226-ubuntu-25.04-5.5_opam-2.5-7471f6bd78b2a920f648c9bc2e6ad35a"2026-06-25 14:39.17: Using OBuilder spec:((from ocaml/opam:ubuntu-25.04-ocaml-5.5@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226)(comment ubuntu-25.04-5.5_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 OCluster2026-06-25 15:11.10: Waiting for worker…2026-06-25 15:15.55: Got resource from pool OClusterBuilding on bremusa.ocamllabs.ioAll commits already cachedHEAD is now at 0e42d4c faster tanimoto implementation(from ocaml/opam:ubuntu-25.04-ocaml-5.5@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226)Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-5.5@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226' locallydocker.io/ocaml/opam@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226: Pulling from ocaml/opamc62190a9ab61: Already exists788eac603774: Already existsd8838e8760f7: Already exists044df817fdc9: Already exists679d83783049: Already exists69f94498388b: Already exists3085e8aba705: Already existsa0a4f3094d9c: Already exists6fb066609bd0: Already exists708e838a777f: Already existsf34688a32906: Already exists46da1cacb563: Already exists45efe9200020: Already exists5b99139b364f: Already exists4ad48f1dba7c: Already existsc925d71eaef6: Already existsc925d71eaef6: Already existsb2ad08e9de6b: Already exists83c2841cf9f5: Already exists44173c57952f: Already existsd79d03e7cdd0: Already exists4f4fb700ef54: Already existsf3c441c54279: Already existsed883348341c: Already existsb291b02a5330: Already exists1511b666e5bc: Already existsdfb1789db5aa: Already exists816b597ba46a: Already exists076e5216fa61: Already exists7244f8145d6e: Already existsb20b8e4b141e: Already existsa06501a832ff: Already existsa2ae49da3e1c: Already exists526fd91a9227: Already exists9a80c0ecdf11: Already exists0c8157bed317: Already exists1a1c034aab17: Already existse52c710f93d5: Already exists4f4fb700ef54: Already existsa4296119a3b7: Already exists9185ab7b79b7: Pulling fs layerbf4590c0a8e8: Pulling fs layeraf67198b7db5: Pulling fs layer9196245c6a3d: Pulling fs layer337a7d4f05ad: Pulling fs layerabe485c5d1f9: Pulling fs layer9196245c6a3d: Waiting48a7a7b953fa: Pulling fs layer337a7d4f05ad: Waitingabe485c5d1f9: Waiting48a7a7b953fa: Waitingbf4590c0a8e8: Verifying Checksumbf4590c0a8e8: Download completeaf67198b7db5: Verifying Checksumaf67198b7db5: Download complete9185ab7b79b7: Download complete9185ab7b79b7: Pull completebf4590c0a8e8: Pull completeaf67198b7db5: Pull complete337a7d4f05ad: Verifying Checksum337a7d4f05ad: Download completeabe485c5d1f9: Download complete48a7a7b953fa: Verifying Checksum48a7a7b953fa: Download complete9196245c6a3d: Verifying Checksum9196245c6a3d: Download complete9196245c6a3d: Pull complete337a7d4f05ad: Pull completeabe485c5d1f9: Pull complete48a7a7b953fa: Pull completeDigest: sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b5226Status: Downloaded newer image for ocaml/opam@sha256:0125753c4a6b74a6affb5097456fbd742e4b8494845887381b1c7791060b52262026-06-25 15:15.55 ---> using "dae608bd2fc2d5dea9b7a44329e6ee38f69b4a715a2d97f1247251ece8c4043b" from cache/: (comment ubuntu-25.04-5.5_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 15:15.55 ---> using "0c1701a7e64905ae6af6d9eeb52b97439303b37ae71f2089e20f6a709259cc27" 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_HEADb85f65c75d..ceed23f9d3 master -> origin/master2569983dbf Merge pull request #30085 from Octachron/OCaml_5.5.0_fix_relocatable_build2026-06-25 15:15.55 ---> using "588d66f2188f4a3fae6f0a1d0663c52daa1942a02f565e0f8d4b0652dddd6fab" 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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repository2026-06-25 15:15.55 ---> using "11f9fa32caddda32b65bdb0b93748b68ff825975e3f5e574c815d1a6fe721320" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 5.5.02.5.12026-06-25 15:15.55 ---> using "d3f455ab486d814da4f45992da74caa1156784e100f76455d0472e44a087794e" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-25 15:15.55 ---> using "486bf71dde5cae102fa094460076299951e850152116c3132f577d8fbf602f11" 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-repositoryThe 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.1.2.3Done.<><> 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 15:15.55 ---> using "3ce9b075e492cbc038534bc82e818a57a6cc4c6a7584b4bd3daf712f7213b01b" from cache/src: (copy (src bitv.opam) (dst ./))2026-06-25 15:15.55 ---> using "d1b52c532daf57c67b6fa782980f96b87c37151aab8da3250aded070c37e58ec" 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 15:15.55 ---> using "880c7be3d00df455596b84fa988513d398f8f74fc6cea10d44213571a800307f" from cache/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-25 15:15.55 ---> using "b17c7342b354095efc6d4d688df419431d9224519b16cd3a983b75dc5209c8c9" 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://archive.ubuntu.com/ubuntu plucky InRelease- Hit:2 http://security.ubuntu.com/ubuntu plucky-security InRelease- Hit:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease- Hit:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease- 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 15:15.55 ---> using "d95f5e49e01cec1ead07b91fa6a23cfe8cf41ddaaf801fb7a918c63c683183ce" 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.3.23.1Done.# To update the current shell environment, run: eval $(opam env)2026-06-25 15:15.55 ---> using "5384494caee6aec5aa22e2ecfdcc86d5906d4f942b690ad1d37ec4a4427ef708" from cache/src: (copy (src .) (dst /src))2026-06-25 15:15.56 ---> saved as "2c9c291e77574db0cf88ddf055a365db6bb19736fd6a5c5191edae6e5a0c69a8"/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 12026-06-25 15:15.57: Job failed: Failed: Build failed