2026-04-13 10:15.22: New job: test ygrek/ocaml-snappy https://github.com/ygrek/ocaml-snappy.git#refs/heads/master (329a58d03ad5b3d6fa131cafbb8de0eb83d22a81) (linux-x86_64:debian-13-5.2_opam-2.5) Base: ocaml/opam:debian-13-ocaml-5.2@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0 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 ocaml/opam:debian-13-ocaml-5.2@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0 # debian-13-5.2_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 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-nnp.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.1 ocaml.5.2.1 ocaml-base-compiler.5.2.1 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 opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-13 10:15.22: Using cache hint "ygrek/ocaml-snappy-ocaml/opam:debian-13-ocaml-5.2@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0-debian-13-5.2_opam-2.5-a417a6dfa78333a4b5ee4c4f8f7248a5" 2026-04-13 10:15.22: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-5.2@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0) (comment debian-13-5.2_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 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-nnp.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.1 ocaml.5.2.1 ocaml-base-compiler.5.2.1 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 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")) ) 2026-04-13 10:15.22: Waiting for resource in pool OCluster 2026-04-13 10:25.48: Waiting for worker… 2026-04-13 10:27.32: Got resource from pool OCluster Building on doris.caelum.ci.dev All commits already cached HEAD is now at 329a58d release 0.1.2 (from ocaml/opam:debian-13-ocaml-5.2@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0) Unable to find image 'ocaml/opam:debian-13-ocaml-5.2@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0' locally docker.io/ocaml/opam@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0: Pulling from ocaml/opam 8f6ad858d0a4: Already exists 9cb5e198c8cf: Pulling fs layer 2d346d36dcf2: Pulling fs layer cdc35e289b8d: Pulling fs layer aeb7244bb580: Pulling fs layer fc1943254a0d: Pulling fs layer 84238c416f8e: Pulling fs layer fbbfe75d3112: Pulling fs layer 221fdc5d9929: Pulling fs layer 1fec9149b52a: 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Digest: sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0 Status: Downloaded newer image for ocaml/opam@sha256:e9e8a26d58179e75ca1525025bcc5dbbc56cd84f4176f8d1dcd97b95cde427b0 2026-04-13 10:27.32 ---> using "94a57a9c3527a48ab5d91602eeb79e35d18ff1f71260d38c89c82f7fbff465ae" from cache /: (comment debian-13-5.2_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")) 2026-04-13 10:27.32 ---> using "b9d22a1bdc828a837b755057752c8957a4c5d15367e279844b1e37935ba1e128" 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. 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] y [NOTE] The 'jobs' option was reset, its value was 71 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=71 --global Format upgrade done. <><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] Initialised 2026-04-13 10:27.32 ---> using "f56f445336b694ef3e451ab752adb2b680dbba91be01306fcf3529de7b6c3af8" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 6.8.0-106-generic The OCaml toplevel, version 5.2.1 2.5.0 2026-04-13 10:27.32 ---> using "66c9846cb250aff6c9d4c0076257f7b5a327eb92fb547f9fc6af3270d11c0e86" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-04-13 10:27.32 ---> using "f7f47a5f8eba1682cf4d9599689e3879f7d007257dd68c96251b9d5742516c25" 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")) 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) 2026-04-13 10:27.32 ---> using "47e83e5fc3f78e3fb12c1d4737a154d9d86abf75c3509198a910506928204f31" from cache /src: (copy (src snappy.opam) (dst ./)) 2026-04-13 10:27.32 ---> saved as "2c526954e5fa3cedab311f2e030e674e36059c11d833af709df80f534e1e3882" /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) 2026-04-13 10:27.33 ---> saved as "e987d0c6731e4b3a7f532c84adb232db7a9098f0c66ae931d6a2a6e3c60d9df2" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-04-13 10:27.34 ---> saved as "005ec432039633eb488aa0db33db7d7bccf957763097bd5e52021d2be31cf4cf" /src: (env DEPS "base-bigarray.base base-domains.base base-nnp.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.1 ocaml.5.2.1 ocaml-base-compiler.5.2.1 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 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 amd64 Packages [122 kB] - Fetched 213 kB in 0s (1694 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-config is already installed (current version is 3). [NOTE] Package ocaml-base-compiler is already installed (current version is 5.2.1). [NOTE] Package ocaml is already installed (current version is 5.2.1). [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-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:amd64. - (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 ... 20654 files and directories currently installed.) - Preparing to unpack .../libsnappy1v5_1.2.2-1_amd64.deb ... - Unpacking libsnappy1v5:amd64 (1.2.2-1) ... - Selecting previously unselected package libsnappy-dev:amd64. - Preparing to unpack .../libsnappy-dev_1.2.2-1_amd64.deb ... - Unpacking libsnappy-dev:amd64 (1.2.2-1) ... - Setting up libsnappy1v5:amd64 (1.2.2-1) ... - Setting up libsnappy-dev:amd64 (1.2.2-1) ... - Processing triggers for libc-bin (2.41-12+deb13u2) ... # To update the current shell environment, run: eval $(opam env) 2026-04-13 10:27.44 ---> saved as "58819e7c72d4d1c38bf8253c052aa04d452bc1adafe8f044bd642d5375ca6d3c" /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-base-compiler is already installed (current version is 5.2.1). [NOTE] Package ocaml is already installed (current version is 5.2.1). [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-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) 2026-04-13 10:28.13 ---> saved as "3e91344126895dae7d19be258701a2bda3f28b9fdf6882df3f148869548cbc92" /src: (copy (src .) (dst /src)) 2026-04-13 10:28.13 ---> saved as "6ff3d37ced2a9616bb4a3a2de0675bd96fdeaa2d126a769f7513400522ebe92f" /src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /home/opam/.opam/5.2/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" "opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-04-13 10:28.14: Job failed: Failed: Build failed