2026-03-19 08:04.06: New job: test ygrek/ocaml-snappy https://github.com/ygrek/ocaml-snappy.git#refs/heads/master (329a58d03ad5b3d6fa131cafbb8de0eb83d22a81) (macos-x86_64:macos-homebrew-5.4_opam-2.5)Base: macos-homebrew-ocaml-5.4Opam 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 macos-homebrew-ocaml-5.4# macos-homebrew-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -uCOPY --chown=1000:1000 snappy.opam ./src/./RUN opam pin add -yn snappy.dev './src/./'RUN echo '(lang dune 3.0)' > './src/./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.3.22.0 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 snappy.dev $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . ./srcRUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-03-19 08:04.06: Using cache hint "ygrek/ocaml-snappy-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_opam-2.5-9cfbf75593dd5636468e817ef3a55218"2026-03-19 08:04.06: Using OBuilder spec:((from macos-homebrew-ocaml-5.4)(comment macos-homebrew-5.4_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))(run (shell "opam init --reinit -ni"))(run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))(copy (src snappy.opam) (dst ./src/./))(run (network host)(shell "opam pin add -yn snappy.dev './src/./'"))(run (shell "echo '(lang dune 3.0)' > './src/./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.3.22.0 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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y snappy.dev $DEPS"))(run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam install $DEPS"))(copy (src .) (dst ./src))(run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")))2026-03-19 08:04.06: Waiting for resource in pool OCluster2026-03-19 08:04.07: Waiting for worker…2026-03-19 11:24.11: Got resource from pool OClusterBuilding on i7-worker-01All commits already cachedHEAD is now at 329a58d release 0.1.2(from macos-homebrew-ocaml-5.4)2026-03-19 11:24.13 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache/: (comment macos-homebrew-5.4_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam"))2026-03-19 11:24.13 ---> using "0e9d0f8ed44ab1f77ef30c8d8456629e6c63f869a24319cbb64657a84e315111" from cache/: (run (shell "opam init --reinit -ni"))No configuration file found, using 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 /Users/mac1000/.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] no changes from git+file:///Users/mac1000/opam-repository2026-03-19 11:24.13 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 5.4.02.5.02026-03-19 11:24.13 ---> using "78e99acc02a52806060d0075d40f6ea681e9ef77eb60ecbbaff6e5155272646b" from cache/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "cd ~/opam-repository && (git cat-file -e 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef || git fetch origin master) && git reset -q --hard 9f189ca4f94fbb5f0045820bf3c4ffafb21145ef && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD4c9d80b731..9f189ca4f9 master -> origin/master9f189ca4f9 Merge pull request #29562 from shonfeder/release-dune-3.22.0<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///Users/mac1000/opam-repositoryEverything as up-to-date as possibleThe following packages are not being upgraded because the new versions conflict with other installed packages:- ocaml.5.5.0However, 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)2026-03-19 11:24.14 ---> using "ca14bc3a7123e65bd92e6b496f19b768f699c36799cea5bdf74383175705954d" from cache/: (copy (src snappy.opam) (dst ./src/./))2026-03-19 11:24.18 ---> saved as "7f5dcdb2a90396ea51cf8e793d0539c5ba9e55dcc3a24b413d0bfc90d40ea76e"/: (run (network host)(shell "opam pin add -yn snappy.dev './src/./'"))[snappy.dev] synchronised (file:///Users/mac1000/src)snappy is now pinned to file:///Users/mac1000/src (version dev)2026-03-19 11:24.31 ---> saved as "5a6c0d75e63427f89f4c2735f43aee2ce7b77f57f009f88b13f40908b8ed258a"/: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2026-03-19 11:24.33 ---> saved as "d73d5d93f6e47ae8fbea58af76cedea2f961f6a8b09cb633a897e069767beb57"/: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.0 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 /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(network host)(shell "opam update --depexts && opam install --cli=2.5 --depext-only -y snappy.dev $DEPS"))+ /usr/local/bin/brew "update"- ==> Updating Homebrew...- Already up-to-date.<><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><>[snappy.dev] synchronised (file:///Users/mac1000/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).The following system packages will first need to be installed:snappy<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/local/bin/brew "install" "snappy"- ==> Fetching downloads for: snappy- ✔︎ Bottle Manifest snappy (1.2.2)- ✔︎ Bottle Manifest snappy (1.2.2)- ✔︎ Bottle snappy (1.2.2)- ==> Pouring snappy--1.2.2.sonoma.bottle.tar.gz- 🍺 /usr/local/Cellar/snappy/1.2.2: 19 files, 144.2KB- ==> Running `brew cleanup snappy`...- Disable this behaviour by setting `HOMEBREW_NO_INSTALL_CLEANUP=1`.- Hide these hints with `HOMEBREW_NO_ENV_HINTS=1` (see `man brew`).# To update the current shell environment, run: eval $(opam env)2026-03-19 11:25.15 ---> saved as "2c58911fb3fb379b01615cfde10bea8e2491c612ff98d270fe906160fea9b12c"/: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew)))(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 2 packages- install conf-snappy 1- install dune 3.22.0<><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><>-> retrieved conf-snappy.1 (cached)-> retrieved dune.3.22.0 (cached)-> installed conf-snappy.1-> installed dune.3.22.0Done.# To update the current shell environment, run: eval $(opam env)2026-03-19 11:26.23 ---> saved as "bffbd80af2487096a2a037b5eca62daa27e750a706d1b51a79aa46e324be31a2"/: (copy (src .) (dst ./src))2026-03-19 11:26.26 ---> saved as "6927b836566cb03c2d4bd9ffa71e15241f40bfe42a4aa66a38913dabf1a72ca6"/: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /Users/mac1000/.opam/5.4.0/bin/ocamlc.opt -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/env" "bash" "-c" "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 12026-03-19 11:26.35: Job failed: Failed: Build failed