2026-04-03 11:35.33: New job: test backtracking/bitv https://github.com/backtracking/bitv.git#refs/heads/master (4ac65e74e6cd89997cb0717c0bd33da41549fa3e) (linux-x86_64:ubuntu-22.04-5.4_opam-2.5) Base: ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9 Opam project build To reproduce locally: git clone --recursive "https://github.com/backtracking/bitv.git" -b "master" && cd "bitv" && git reset --hard 4ac65e74 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9 # ubuntu-22.04-5.4_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 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 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=2.5 --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 2026-04-03 11:35.33: Using cache hint "backtracking/bitv-ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9-ubuntu-22.04-5.4_opam-2.5-9bea1b863981a6f2f03541d5c0512438" 2026-04-03 11:35.33: Using OBuilder spec: ((from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9) (comment ubuntu-22.04-5.4_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 (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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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 (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.3.22.1 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=2.5 --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")) ) 2026-04-03 11:35.33: Waiting for resource in pool OCluster 2026-04-03 11:48.45: Waiting for worker… 2026-04-03 11:51.49: Got resource from pool OCluster Building on eumache.caelum.ci.dev All commits already cached HEAD is now at 4ac65e7 fixed building on 32-bit arch (from ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9) Unable to find image 'ocaml/opam:ubuntu-22.04-ocaml-5.4@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9' locally docker.io/ocaml/opam@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9: Pulling from ocaml/opam b1cba2e842ca: Already exists 421afdaed246: Already exists 4f870a39d887: Already exists 55a213a632b1: Already exists 45b4d0733e62: Already exists 3aeb1fde2a5c: Already exists aafef83927b6: Already exists bcf6200713a7: Already exists 44126a1f4f31: Already exists 640d0ce4ea89: Already exists b5d13c755b81: Already exists d4f408980979: Already exists a89dafa13071: Already exists 636fd786dcef: Already exists 31dae2391bd4: Already exists 8b28883ae878: Already exists 4a187d75ee24: Already exists 4a187d75ee24: Already exists 4f4fb700ef54: Already exists 15ef0a4fe052: Already exists 81aef10b7468: Already exists 8492c04426b2: Already exists 4f4fb700ef54: Already exists 931be6b45df3: Already exists b3b41b093e1c: Already exists c66a499f18f1: Already exists dc859d65a979: Already exists f9a4b7e83cbc: Already exists 8406175b74f2: Already exists d8a867e68b39: Already exists 1b4507b9d94f: Already exists 86753f729f41: Already exists bb1554100fd0: Already exists 79f063451047: Already exists af19aefa8c28: Already exists 18ae77be10c6: Already exists 23748796c9e7: Already exists 8a87c1d60ed6: Already exists f59dc0679c75: Already exists d71672fc129c: Already exists 44dd0ab5fdef: Already exists edadc98b94f2: Already exists 5594968993e8: Already exists 9f6b7b34fd6d: Already exists fae525a8fdf7: Already exists 250c7a686cbe: Already exists 5230fa14e4cf: Already exists 864dff2bbd6b: Already exists Digest: sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9 Status: Downloaded newer image for ocaml/opam@sha256:e4dfcae6e38f838fabf685c7211c2fe7c093177ca2950941eee47cbecc201af9 2026-04-03 11:51.49 ---> using "a494baecbb94e7af4729d4c2ae860efde3ac6b3dc163dcb8423239dae5deadc4" from cache /: (comment ubuntu-22.04-5.4_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")) 2026-04-03 11:51.49 ---> using "e5280f8b1c6f0298ccc2a6bcb36e6de990878c996fb6e9437093be910da9449d" from cache /src: (run (shell "opam init --reinit -ni")) 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. 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 Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-03 11:51.49 ---> using "0733a7d2324a7e649e143a7b1a25624625d45bf75af068c91f760900ce4dfe73" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 5.15.0-173-generic The OCaml toplevel, version 5.4.0 2.5.0 2026-04-03 11:51.49 ---> using "4d7450a6f82470363f267e9558dda7fc3483e573698f6886e667a9bb28c3b837" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-03 11:51.49 ---> using "b8a2c0d42955ac90f8517be228dcb3fea7854c0d204131339e5e27619cebb1b7" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD ffb54b9bdd..2a4b439041 master -> origin/master d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). However, you may "opam upgrade" these packages explicitly at these versions (e.g. "opam upgrade ocaml.5.5.0"), which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # To update the current shell environment, run: eval $(opam env) 2026-04-03 11:51.49 ---> using "326e8c7c790f5c572d0be9aa0f02bc72c2af5ed611409784fa44086f53730f98" from cache /src: (copy (src bitv.opam) (dst ./)) 2026-04-03 11:51.49 ---> using "91dacb04e9180ca44edbe40b0b17574ba32c192e85f037f40edc37b1525c715e" 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) 2026-04-03 11:51.49 ---> using "d4e6a43b234ef1ca41811aaeb5d5095a1f06edf15886f4cfbc4a9350b7f21a07" from cache /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-03 11:51.49 ---> using "8737e6788aa0e762f3dffd8739e03dfe0947eb01e0684b20d6f4271c07d5973e" from cache /src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base dune.3.22.1 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=2.5 --depext-only -y bitv.dev $DEPS")) + /usr/bin/sudo "apt-get" "update" - Get:1 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB] - Get:2 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [3844 kB] - Hit:3 http://archive.ubuntu.com/ubuntu jammy InRelease - Get:4 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB] - Get:5 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1310 kB] - Get:6 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [6803 kB] - Get:7 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB] - Get:8 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [4219 kB] - Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1622 kB] - Get:10 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [7125 kB] - Get:11 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64 Packages [84.0 kB] - Get:12 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64 Packages [35.6 kB] - Fetched 25.4 MB in 19s (1359 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). # To update the current shell environment, run: eval $(opam env) 2026-04-03 11:51.49 ---> using "8906acc7512782264ebd83b04729cb81c972ce73524693acab74f0b4b6fca837" 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 3.22.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.22.1 (cached) -> installed dune.3.22.1 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-03 11:51.49 ---> using "4fa3e777bc77878f01d21094867c2cdfe1584ad0d9087ebbbf07cf42739da061" from cache /src: (copy (src .) (dst /src)) 2026-04-03 11:51.50 ---> saved as "c7d05fc66c26f13cb4637d4dcacf7962efea7258763e852c1df3959ddcb9e309" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) 2026-04-03 11:51.51 ---> saved as "992cd15a787eaea5c47d8898ad82309b54346692bae35b7f71ec537a906c4f66" Job succeeded 2026-04-03 11:51.51: Job succeeded