2026-04-27 07:23.11: New job: test ygrek/ocaml-snappy https://github.com/ygrek/ocaml-snappy.git#refs/heads/master (329a58d03ad5b3d6fa131cafbb8de0eb83d22a81) (linux-x86_64:ubuntu-25.04-4.14_opam-2.5)Base: ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdbOpam 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:ubuntu-25.04-ocaml-4.14@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb# ubuntu-25.04-4.14_opam-2.5USER 1000:1000ENV 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-threads.base base-unix.base conf-snappy.1 dune.3.22.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 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-BLOCK2026-04-27 07:23.11: Using cache hint "ygrek/ocaml-snappy-ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb-ubuntu-25.04-4.14_opam-2.5-2be5d1f3f1d6503f1e029453c81de2e9"2026-04-27 07:23.11: Using OBuilder spec:((from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb)(comment ubuntu-25.04-4.14_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 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-threads.base base-unix.base conf-snappy.1 dune.3.22.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 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")))2026-04-27 07:23.11: Waiting for resource in pool OCluster2026-04-27 07:27.47: Waiting for worker…2026-04-27 07:31.08: Got resource from pool OClusterBuilding on toxis.caelum.ci.devAll commits already cachedHEAD is now at 329a58d release 0.1.2(from ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb)Unable to find image 'ocaml/opam:ubuntu-25.04-ocaml-4.14@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb' locallydocker.io/ocaml/opam@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb: Pulling from ocaml/opamc62190a9ab61: Already exists357ac6654861: Already existsa191be1efbfd: Already existseb4000d4ebbc: Already exists598bd7554f0c: Already exists79d6c515bbb9: Already exists154be107f855: Already existsfd2208c876d6: Already exists16490c1f67c4: Already exists71652ce32f03: Already existsf6539204dd94: Already exists8832196939ac: Already exists051ac3f8d1fa: Already exists9c22d08d7908: Already existsf92810fb1a76: Already exists084bdef83a94: Already existsd61f838e95fd: Already existsd61f838e95fd: Already exists4b9d9e7979d2: Already exists5b295751883e: Already exists4cf5bde88b89: Already existsa2e9395651c9: Already exists4f4fb700ef54: Already exists8d482fe260fa: Already exists0c1606e5aae9: Already exists35abd5e9c377: Already existsdd98292fdce5: Already exists013f4f55172f: Already exists74138f97645f: Already existsdd1ee7cdcf24: Already exists9af03bee1815: Already exists2aa5fb145868: Already exists236cbd8de420: Already exists50b334ba052c: Already exists0ecd776bb54b: Already exists61565fcd1ea7: Already existsc61c7e9567a5: Already exists6616a61e7604: Already exists9ff1755321c4: Already existsa72649cf11ee: Already existsd7886880bcec: Already exists2a89a2b3cc39: Pulling fs layerdebc803d2143: Pulling fs layere4a5f49164e2: Pulling fs layer569b9f5d92e4: Pulling fs layered5d03d53c7d: Pulling fs layer569b9f5d92e4: Waitinged5d03d53c7d: Waitinge4a5f49164e2: Download complete569b9f5d92e4: Download completeed5d03d53c7d: Download completedebc803d2143: Verifying Checksumdebc803d2143: Download complete2a89a2b3cc39: Verifying Checksum2a89a2b3cc39: Download complete2a89a2b3cc39: Pull completedebc803d2143: Pull completee4a5f49164e2: Pull complete569b9f5d92e4: Pull completeed5d03d53c7d: Pull completeDigest: sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdbStatus: Downloaded newer image for ocaml/opam@sha256:5cf475e3cd7dc78fd590b56a5efee73632a3db8653246e870fa405e359f3dfdb2026-04-27 07:31.09 ---> using "26f2d1b20504f8a72d300005d6ed3a2bee34c58ce7ff6ebb581c3cd8e7bf182d" from cache/: (comment ubuntu-25.04-4.14_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"))2026-04-27 07:31.09 ---> using "7729be9aeef278253c48b7491490d5770d24689c06ea7841c09b3b42721cf226" 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 255 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=255 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[ERROR] Could not update repository "ocaml-patches-overlay": "/usr/bin/git fetch -q" exited with code 128 "fatal: unable to access 'https://github.com/ocurrent/opam-repository/': Could not resolve host: github.com"[default] Initialised2026-04-27 07:31.09 ---> using "bcd56c2fcac37d8900ef1186d44a59635a254658349185b960a29c4b43106298" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 6.8.0-107-genericThe OCaml toplevel, version 4.14.32.5.12026-04-27 07:31.09 ---> using "4bde2fbab53a6005951fa182586f93b8ad206d426d444506a02328fa96ee0f26" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-27 07:31.09 ---> using "2baaf6d27d66036c3e175ae274404055a72ba045903fd57695496f186d7c138b" from cache/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"))5f7bb1a6e6 Merge pull request #29704 from shonfeder/release-dune-3.22.2<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patches[default] synchronised from git+file:///home/opam/opam-repositoryEverything 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)2026-04-27 07:31.09 ---> using "7a72f6e02912bb16c86a0c3303983103eae80b493f25a62ffc746674568cdf56" from cache/src: (copy (src snappy.opam) (dst ./))2026-04-27 07:31.09 ---> saved as "92bc9b6936dd21e644fe7a4b2033e073e7a14b0a8a54af97812b2216b8225f0c"/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)2026-04-27 07:31.13 ---> saved as "8401f338a9bddc5342a46cc97420aed2a02f5d252b34a8fbee3496063aa3380b"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-27 07:31.13 ---> saved as "a0305173b5f70e966898d6eb2f4aad1de717a54ebda1a057f202abdc6ed328af"/src: (env DEPS "base-bigarray.base base-threads.base base-unix.base conf-snappy.1 dune.3.22.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 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://security.ubuntu.com/ubuntu plucky-security InRelease- Hit:2 http://archive.ubuntu.com/ubuntu plucky InRelease- Hit:3 http://archive.ubuntu.com/ubuntu plucky-updates InRelease- Hit:4 http://archive.ubuntu.com/ubuntu plucky-backports InRelease- 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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3).[NOTE] Package ocaml is already installed (current version is 4.14.3).[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-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 ... 16503 files and directories currently installed.)- Preparing to unpack .../libsnappy1v5_1.2.1-1_amd64.deb ...- Unpacking libsnappy1v5:amd64 (1.2.1-1) ...- Selecting previously unselected package libsnappy-dev:amd64.- Preparing to unpack .../libsnappy-dev_1.2.1-1_amd64.deb ...- Unpacking libsnappy-dev:amd64 (1.2.1-1) ...- Setting up libsnappy1v5:amd64 (1.2.1-1) ...- Setting up libsnappy-dev:amd64 (1.2.1-1) ...- Processing triggers for libc-bin (2.41-6ubuntu1.2) ...# To update the current shell environment, run: eval $(opam env)2026-04-27 07:31.46 ---> saved as "e8281884a0d80fc2b2266e2694890f52f2ace6d50abd9084a867ae7dae06448a"/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 2).[NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.3).[NOTE] Package ocaml is already installed (current version is 4.14.3).[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-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)2026-04-27 07:33.12 ---> saved as "5f67119ecb52872c196af3c4a34856daf8c87c5a75db269db18e416837096314"/src: (copy (src .) (dst /src))2026-04-27 07:33.12 ---> saved as "dce91ef55d97cfcef1377f752aee13ad22c32f0398fc2d9b3714bb2124e35251"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/4.14/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 -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 12026-04-27 07:33.14: Job failed: Failed: Build failed