2025-11-29 16:54.21: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/heads/persistent-bit-vectors (d19a2127281167adc5915ab8bd721d70bc56ac72) (linux-x86_64:ubuntu-25.04-5.4_opam-2.4) Base: ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:317ab3a2251a14fd41554ae61c0a9130d4d6b4a163f1b44dee089c0c3e18779a Opam project build To reproduce locally: git clone --recursive "https://github.com/backtracking/bitv.git" -b "persistent-bit-vectors" && cd "bitv" && git reset --hard d19a2127 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:317ab3a2251a14fd41554ae61c0a9130d4d6b4a163f1b44dee089c0c3e18779a # ubuntu-25.04-5.4_opam-2.4 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN cd ~/opam-repository && (git cat-file -e 7f9c784b97b368cd82ee80890d9866b8e66b7c1b || git fetch origin master) && git reset -q --hard 7f9c784b97b368cd82ee80890d9866b8e66b7c1b && git log --no-decorate -n1 --oneline && 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 dune.3.20.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.4 --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 2025-11-29 16:54.21: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:317ab3a2251a14fd41554ae61c0a9130d4d6b4a163f1b44dee089c0c3e18779a-ubuntu-25.04-5.4_opam-2.4-3f281fb71360444f014d827746dd39f0" 2025-11-29 16:54.21: Using OBuilder spec: ((from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:317ab3a2251a14fd41554ae61c0a9130d4d6b4a163f1b44dee089c0c3e18779a) (comment ubuntu-25.04-5.4_opam-2.4) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (workdir /src) (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) (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 "cd ~/opam-repository && (git cat-file -e 7f9c784b97b368cd82ee80890d9866b8e66b7c1b || git fetch origin master) && git reset -q --hard 7f9c784b97b368cd82ee80890d9866b8e66b7c1b && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src bitv.opam) (dst ./)) (run (network host) (shell "opam pin add -yn bitv.dev './'")) (run (network host) (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 dune.3.20.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 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=2.4 --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")) ) 2025-11-29 16:54.21: Waiting for resource in pool OCluster 2025-11-29 16:54.22: Waiting for worker… 2025-11-29 16:54.23: Got resource from pool OCluster Building on bremusa.ocamllabs.io HEAD is now at 3cd817e persistent bit vectors, wip HEAD is now at d19a212 persistent bit vectors, wip (from ocaml/opam:ubuntu-25.04-ocaml-5.4@sha256:317ab3a2251a14fd41554ae61c0a9130d4d6b4a163f1b44dee089c0c3e18779a) 2025-11-29 16:54.25 ---> using "50e8d351fd85100bcaa09c1a16c9caaf0dd6ebf586c5923343764d4b3caaa07b" from cache /: (comment ubuntu-25.04-5.4_opam-2.4) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (workdir /src) /src: (run (shell "sudo ln -f /usr/bin/opam-2.4 /usr/bin/opam")) 2025-11-29 16:54.25 ---> using "71eba14205a840ca7ffb685dcd48a7ca4563327d75b28716e665884e192611d1" 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. Continue? [Y/n] y This version of opam requires an update to the layout of /home/opam/.opam from version 2.0 to version 2.2, which can't be reverted. You may want to back it up before going further. Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2025-11-29 16:54.25 ---> using "d158064ffb6b3a8fec01ede3f94bcf345c1da48a7ae68f21f680e9c676d3f076" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-85-generic The OCaml toplevel, version 5.4.0 2.4.1 2025-11-29 16:54.25 ---> using "2c7766b5e71fb89a56f210a84c7eb97fd806a0f5c008feb22a76a3cca7c9f637" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2025-11-29 16:54.25 ---> using "602e07c899f6d650abc1b32c79d8dd07c19b7959bfbda0fb4e2c4950b65c768a" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 7f9c784b97b368cd82ee80890d9866b8e66b7c1b || git fetch origin master) && git reset -q --hard 7f9c784b97b368cd82ee80890d9866b8e66b7c1b && git log --no-decorate -n1 --oneline && opam update -u")) 7f9c784b97 Merge pull request #28787 from ocaml/mseri-patch-1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Already up-to-date. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2025-11-29 16:54.25 ---> using "b97bb4d994581dfe2613526ff551a8393315f267da67dd4e779b97d0836b9158" from cache /src: (copy (src bitv.opam) (dst ./)) 2025-11-29 16:54.25 ---> using "93b95ae7357159aff2fc1bc21e4a226e96c137a129c60e8baaa848f6f3d84299" 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) 2025-11-29 16:54.25 ---> using "ae5d1c8b5ec4590936dcbb4a023fb6111670396647581d7edaeaefa545141301" from cache /src: (run (network host) (shell "echo '(lang dune 3.0)' > './dune-project'")) 2025-11-29 16:54.25 ---> using "90556da09bdc67142d9a2dae6d8fc6c62cc6879052f784aab25eda5a0fd651b7" from cache /src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.20.2 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 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=2.4 --depext-only -y bitv.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu plucky-security InRelease [126 kB] - Get:2 http://security.ubuntu.com/ubuntu plucky-security/main amd64 Packages [377 kB] - Get:3 http://security.ubuntu.com/ubuntu plucky-security/universe amd64 Packages [248 kB] - Get:4 http://security.ubuntu.com/ubuntu plucky-security/restricted amd64 Packages [383 kB] - Hit:5 http://archive.ubuntu.com/ubuntu plucky InRelease - Get:6 http://archive.ubuntu.com/ubuntu plucky-updates InRelease [126 kB] - Get:7 http://archive.ubuntu.com/ubuntu plucky-backports InRelease [126 kB] - Get:8 http://archive.ubuntu.com/ubuntu plucky-updates/universe amd64 Packages [323 kB] - Get:9 http://archive.ubuntu.com/ubuntu plucky-updates/main amd64 Packages [537 kB] - Get:10 http://archive.ubuntu.com/ubuntu plucky-updates/restricted amd64 Packages [411 kB] - Fetched 2657 kB in 1s (2345 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-config is already installed (current version is 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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). 2025-11-29 16:54.25 ---> using "307ea28f538774638e6006cc57d653ce58d8ff089a38a03ab39b6579fd34ca99" 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-config is already installed (current version is 3). [NOTE] Package ocaml-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.0). [NOTE] Package ocaml is already installed (current version is 5.4.0). [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 3.20.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.20.2 (cached) -> installed dune.3.20.2 Done. # To update the current shell environment, run: eval $(opam env) 2025-11-29 16:54.25 ---> using "62282b627bcb98a64c6fef64e96ce8dbf32f1057d17fc0c411cace2d066035a5" from cache /src: (copy (src .) (dst /src)) 2025-11-29 16:54.25 ---> saved as "9f45e32ed297472a19d8d2dd8d24a8b3aac162dd2e790d357c1b54b813f924f1" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) File "dune", line 19, characters 7-15: 19 | (name test_pbv) ^^^^^^^^ (cd _build/default && ./test_pbv.exe) Fatal error: exception Assert_failure("pbv.ml", 408, 4) "/usr/bin/env" "bash" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2025-11-29 16:54.28: Job failed: Failed: Build failed