2026-04-03 11:35.56: 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-5.4 Opam project build To reproduce locally: git clone --recursive "https://github.com/ygrek/ocaml-snappy.git" -b "master" && cd "ocaml-snappy" && git reset --hard 329a58d0 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-5.4 # macos-homebrew-5.4_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version 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 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.3.22.1 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 snappy.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . ./src RUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-03 11:35.56: Using cache hint "ygrek/ocaml-snappy-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_opam-2.5-d86b362d66f24e90e899966e498b98a3" 2026-04-03 11:35.56: 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 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 /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")) ) 2026-04-03 11:35.56: Waiting for resource in pool OCluster 2026-04-03 12:13.44: Waiting for worker… 2026-04-03 18:24.01: Got resource from pool OCluster Building on i7-worker-03 All commits already cached HEAD is now at 329a58d release 0.1.2 (from macos-homebrew-ocaml-5.4) 2026-04-03 18:24.01 ---> 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")) 2026-04-03 18:24.02 ---> 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 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///Users/mac1000/opam-repository 2026-04-03 18:24.02 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 5.4.0 2.5.0 2026-04-03 18:24.03 ---> 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 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 95f7875db7..d06cfb1853 master -> origin/master d06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.4.1 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 18:24.03 ---> using "1282f226ed6b8369654a3324b4803b27039ef8115d0fc87f58f83cf301e75a16" from cache /: (copy (src snappy.opam) (dst ./src/./)) 2026-04-03 18:24.05 ---> saved as "e00e97ff098a597496347b4aebee9750f21f2d0e26f9a4d023c7f9f3291505c4" /: (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) 2026-04-03 18:24.17 ---> saved as "5b71ca424ce7c8818f42ffa03b56752a3c94cb19f7e7189a19b10227ffc4df6f" /: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2026-04-03 18:24.19 ---> saved as "ff49d4d1e3e110f6609515a8129c4390f1509374a50263b72698d3bbf9c38f10" /: (env DEPS "base-bigarray.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.1 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 /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) 2026-04-03 18:24.54 ---> saved as "65f81c6b390adc49a8cfc398a41f562324a21b12dbbaee2ef38e3a36d75c7206" /: (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 3.22.1 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved conf-snappy.1 (cached) -> installed conf-snappy.1 -> 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 18:26.06 ---> saved as "dcf32c044f70198dba75b320263168c8e51d19b8113b7924459a6749622883fb" /: (copy (src .) (dst ./src)) 2026-04-03 18:26.08 ---> saved as "a04cb20b00903dfda7513193514ebb450235592b4b1ab6d70a141a5de92f7c9a" /: (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 1 2026-04-03 18:26.15: Job failed: Failed: Build failed