2026-04-25 17:23.21: New job: test ygrek/ocaml-snappy https://github.com/ygrek/ocaml-snappy.git#refs/heads/master (329a58d03ad5b3d6fa131cafbb8de0eb83d22a81) (linux-x86_64:debian-13-5.4_x86_32_opam-2.5)Base: ocaml/opam:debian-13-ocaml-5.4@sha256:19b295164f5ffed3d0ca0e217bf2fad4b6eff053c1fd8c5d5543fb8ebb2ed1c4Opam project buildTo reproduce locally:git clone --recursive "https://github.com/ygrek/ocaml-snappy.git" -b "master" && cd "ocaml-snappy" && git reset --hard 329a58d0cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-5.4@sha256:19b295164f5ffed3d0ca0e217bf2fad4b6eff053c1fd8c5d5543fb8ebb2ed1c4# debian-13-5.4_x86_32_opam-2.5USER 1000:1000SHELL [ "/usr/bin/linux32", "/bin/sh", "-c" ]ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.5 /usr/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 snappy.opam ./RUN opam pin add -yn snappy.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 conf-snappy.1 dune.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-option-bytecode-only.1 ocaml-options-vanilla.1"ENV CI="true"ENV OCAMLCI="true"RUN opam update --depexts && opam install --cli=2.5 --depext-only -y snappy.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-25 17:23.21: Using cache hint "ygrek/ocaml-snappy-ocaml/opam:debian-13-ocaml-5.4@sha256:19b295164f5ffed3d0ca0e217bf2fad4b6eff053c1fd8c5d5543fb8ebb2ed1c4-debian-13-5.4_x86_32_opam-2.5-6dd3a64765a6c898fa1e157b12fa37df"2026-04-25 17:23.21: Using OBuilder spec:((from ocaml/opam:debian-13-ocaml-5.4@sha256:19b295164f5ffed3d0ca0e217bf2fad4b6eff053c1fd8c5d5543fb8ebb2ed1c4)(comment debian-13-5.4_x86_32_opam-2.5)(user (uid 1000) (gid 1000))(shell /usr/bin/linux32 /bin/sh -c)(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 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src snappy.opam) (dst ./))(run (network host)(shell "opam pin add -yn snappy.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 conf-snappy.1 dune.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-option-bytecode-only.1 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 snappy.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")))2026-04-25 17:23.21: Waiting for resource in pool OCluster2026-04-25 17:29.54: Waiting for worker…2026-04-25 17:32.56: Got resource from pool OClusterBuilding on bremusa.ocamllabs.iohint: Using 'master' as the name for the initial branch. This default branch namehint: is subject to change. To configure the initial branch name to use in allhint: of your new repositories, which will suppress this warning, call:hint:hint: git config --global init.defaultBranch <name>hint:hint: Names commonly chosen instead of 'master' are 'main', 'trunk' andhint: 'development'. The just-created branch can be renamed via this command:hint:hint: git branch -m <name>Initialised empty Git repository in /var/cache/obuilder/ocluster/git/ocaml-snappy.git-aa278a0c62dca1447db591838af078915226c67b/.git/HEAD is now at 329a58d release 0.1.2(from ocaml/opam:debian-13-ocaml-5.4@sha256:19b295164f5ffed3d0ca0e217bf2fad4b6eff053c1fd8c5d5543fb8ebb2ed1c4)2026-04-25 17:34.00 ---> saved as "0ca7731ed5b760a2f7014ad982be846cebfd2d508db77048e592cd0fd92d442a"/: (comment debian-13-5.4_x86_32_opam-2.5)/: (user (uid 1000) (gid 1000))/: (shell /usr/bin/linux32 /bin/sh -c)/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-04-25 17:34.01 ---> saved as "92f3018a715eed0d9d327d1865e39236ed5450889cee02e78641de67e4a3454b"/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 2.0 to version 2.2, which can't be reverted.You may want to back it up before going further.Continue? [Y/n] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-25 17:34.43 ---> saved as "694efe6b068534c63a03d0999f6a9b8c4316e51986e8762f5286c924ee9f1785"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 5.4.12.5.02026-04-25 17:34.43 ---> saved as "4563e04b945f17de4318fb0119f3f8e03508d266cdfa3aed6829ceab377ef1f6"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-25 17:34.44 ---> saved as "76abb22a56661419d4239622a578bcb375a66c701bcd72ecd126e49bec17bdfc"/src: (run (cache (opam-archives (target /home/opam/.opam/download-cache)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 || git fetch origin master) && git reset -q --hard 5f7bb1a6e69f1ea15d8b2b08eeaa70a162c6fd41 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD42844088d7..f83868273d master -> origin/master5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///home/opam/opam-repositoryEverything as up-to-date as possibleHowever, 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)2026-04-25 17:35.01 ---> saved as "fb55b86604cead2242d2ea7cf2e920f79b78c2bcc1560764f37111146ddaab02"/src: (copy (src snappy.opam) (dst ./))2026-04-25 17:35.01 ---> saved as "ca97ae8c6954a96d945df189d7cbce9dd698cf5ab5bf9827220cf2ad664339ec"/src: (run (network host)(shell "opam pin add -yn snappy.dev './'"))[snappy.dev] synchronised (file:///src)snappy is now pinned to file:///src (version dev)2026-04-25 17:35.03 ---> saved as "c16c00c3b9a8ad800eaa70b3eaaefdaa9a72121743a109eb31749a2391f86224"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-25 17:35.03 ---> saved as "a991d9860c49dada05f36ee971b4779587414e4955f02da9b30dbe58e835183a"/src: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.2 ocaml.5.4.1 ocaml-base-compiler.5.4.1 ocaml-compiler.5.4.1 ocaml-config.3 ocaml-option-bytecode-only.1 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 snappy.dev $DEPS"))+ /usr/bin/sudo "apt-get" "update"- Hit:1 http://deb.debian.org/debian trixie InRelease- Get:2 http://deb.debian.org/debian trixie-updates InRelease [47.3 kB]- Get:3 http://deb.debian.org/debian-security trixie-security InRelease [43.4 kB]- Get:4 http://deb.debian.org/debian-security trixie-security/main i386 Packages [120 kB]- Fetched 211 kB in 0s (991 kB/s)- Reading package lists...-<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[snappy.dev] synchronised (file:///src)[NOTE] Package ocaml-options-vanilla is already installed (current version is 1).[NOTE] Package ocaml-option-bytecode-only 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 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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 system packages will first need to be installed:libsnappy-dev<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/bin/sudo "apt-get" "install" "-qq" "-yy" "libsnappy-dev"- Selecting previously unselected package libsnappy1v5:i386.- (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ... 30% (Reading database ... 35% (Reading database ... 40% (Reading database ... 45% (Reading database ... 50% (Reading database ... 55% (Reading database ... 60% (Reading database ... 65% (Reading database ... 70% (Reading database ... 75% (Reading database ... 80% (Reading database ... 85% (Reading database ... 90% (Reading database ... 95% (Reading database ... 100% (Reading database ... 20624 files and directories currently installed.)- Preparing to unpack .../libsnappy1v5_1.2.2-1_i386.deb ...- Unpacking libsnappy1v5:i386 (1.2.2-1) ...- Selecting previously unselected package libsnappy-dev:i386.- Preparing to unpack .../libsnappy-dev_1.2.2-1_i386.deb ...- Unpacking libsnappy-dev:i386 (1.2.2-1) ...- Setting up libsnappy1v5:i386 (1.2.2-1) ...- Setting up libsnappy-dev:i386 (1.2.2-1) ...- Processing triggers for libc-bin (2.41-12+deb13u2) ...# To update the current shell environment, run: eval $(opam env)2026-04-25 17:35.21 ---> saved as "b3e75549a643f8e5bea9e69de62f0c01565cd05c36587d98bb29a7c958776ece"/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-option-bytecode-only 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 5.4.1).[NOTE] Package ocaml-base-compiler is already installed (current version is 5.4.1).[NOTE] Package ocaml is already installed (current version is 5.4.1).[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 2 packages- install conf-snappy 1- install dune 3.22.2<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved conf-snappy.1 (cached)-> installed conf-snappy.1-> retrieved dune.3.22.2 (cached)-> installed dune.3.22.2Done.# To update the current shell environment, run: eval $(opam env)2026-04-25 17:37.01 ---> saved as "5552b72776fe367a2eaadeb3936a7b48ccf76c108e4377145f8de57967fdaf57"/src: (copy (src .) (dst /src))2026-04-25 17:37.02 ---> saved as "bb91c3bf7942453378099af4699bdf5a5f86f97743857dc279124b7d7ab52cf7"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/5.4/bin/ocamlc -w @1..3@5..28@30..39@43@46..47@49..57@61..62-40 -strict-sequence -strict-formats -short-paths -keep-locs -g -bin-annot -bin-annot-occurrences -I .test.eobjs/byte -I src/.snappy.objs/byte -no-alias-deps -opaque -o .test.eobjs/byte/test.cmo -c -impl test.ml)File "test.ml", line 7, characters 6-79:7 | for i = 0 to pred n do Buffer.add_char b (Char.chr (Random.int 256)) done;^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Error (warning 35 [unused-for-index]): unused for-loop index i.File "test.ml", line 18, characters 2-60:18 | for n = 0 to 1024 do check (Random.int 16384 + 16384) done;^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Error (warning 35 [unused-for-index]): unused for-loop index n."/usr/bin/linux32" "/bin/sh" "-c" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-04-25 17:37.03: Job failed: Failed: Build failed