2026-04-03 11:35.56: New job: test ygrek/ocaml-snappy https://github.com/ygrek/ocaml-snappy.git#refs/heads/master (329a58d03ad5b3d6fa131cafbb8de0eb83d22a81) (linux-x86_64:fedora-43-5.4_opam-2.5)Base: ocaml/opam:fedora-43-ocaml-5.4@sha256:ec893d8ac00bb6c06ff30c59cce2f3727107c3133de5ad1c8ede28c001e94cc0Opam 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:fedora-43-ocaml-5.4@sha256:ec893d8ac00bb6c06ff30c59cce2f3727107c3133de5ad1c8ede28c001e94cc0# fedora-43-5.4_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo dnf install -y findutilsRUN 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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.3.22.1 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . /srcRUN opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-03 11:35.56: Using cache hint "ygrek/ocaml-snappy-ocaml/opam:fedora-43-ocaml-5.4@sha256:ec893d8ac00bb6c06ff30c59cce2f3727107c3133de5ad1c8ede28c001e94cc0-fedora-43-5.4_opam-2.5-d86b362d66f24e90e899966e498b98a3"2026-04-03 11:35.56: Using OBuilder spec:((from ocaml/opam:fedora-43-ocaml-5.4@sha256:ec893d8ac00bb6c06ff30c59cce2f3727107c3133de5ad1c8ede28c001e94cc0)(comment fedora-43-5.4_opam-2.5)(user (uid 1000) (gid 1000))(env CLICOLOR_FORCE 1)(env OPAMCOLOR always)(workdir /src)(run (network host)(shell "sudo dnf install -y findutils"))(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-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 /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")))2026-04-03 11:35.56: Waiting for resource in pool OCluster2026-04-03 12:40.35: Waiting for worker…2026-04-03 12:43.49: Got resource from pool OClusterBuilding on toxis.caelum.ci.devAll commits already cachedHEAD is now at 329a58d release 0.1.2(from ocaml/opam:fedora-43-ocaml-5.4@sha256:ec893d8ac00bb6c06ff30c59cce2f3727107c3133de5ad1c8ede28c001e94cc0)2026-04-03 12:43.49 ---> using "55235f591e73e0a73aca087590237c1328c7cdaa35a59ddc1b194c05d8428492" from cache/: (comment fedora-43-5.4_opam-2.5)/: (user (uid 1000) (gid 1000))/: (env CLICOLOR_FORCE 1)/: (env OPAMCOLOR always)/: (workdir /src)/src: (run (network host)(shell "sudo dnf install -y findutils"))Updating and loading repositories:Fedora 43 openh264 (From Cisco) - x86_ 100% | 1.1 KiB/s | 986.0 B | 00m01sFedora 43 - x86_64 - Updates 100% | 51.6 KiB/s | 15.6 KiB | 00m00sFedora 43 - x86_64 100% | 123.6 KiB/s | 21.8 KiB | 00m00sRepositories loaded.Package "findutils-1:4.10.0-6.fc43.x86_64" is already installed.Nothing to do.2026-04-03 12:43.49 ---> using "7be4732085dd791e3306e4890e7569aeb833b1c020b82d2656f90ce5709ff383" from cache/src: (run (shell "sudo ln -f /usr/bin/opam-2.5 /usr/bin/opam"))2026-04-03 12:43.49 ---> using "a71c21cacef3eec18238e988128fcc4b6f9993c22d77b143d9eb518c22533292" 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] yFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] Initialised2026-04-03 12:43.49 ---> using "2db368f3560f30e6502da68709ea4cd9e55d7fac30af1db9e0e4de129f5987b6" from cache/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 5.15.0-173-genericThe OCaml toplevel, version 5.4.02.5.02026-04-03 12:43.49 ---> using "f3d4c2d71b743487228470cbb258b245e8bb4eef88b4bcc7c24bcbdafa500505" from cache/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-04-03 12:43.49 ---> using "9c94321cd96c56d0bfea35e9fa0a7ab6bf97f253006f5c4f91b2747c471fc520" 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"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD4f056bfedf..d06cfb1853 master -> origin/masterd06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[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)2026-04-03 12:43.49 ---> using "073a3f4a992d5ae3c4395393a4968d31fd18da7644cfae38b152fe905bf97483" from cache/src: (copy (src snappy.opam) (dst ./))2026-04-03 12:43.49 ---> saved as "5291f483e79d95de2f51bfc03dcc3ec18b478a5b83bb37608083837598ae96e1"/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)2026-04-03 12:43.50 ---> saved as "84306a96cd6ee4dc886701d78e01c51d21fe82d80fb538d01f719e5c8bc8ca1e"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-04-03 12:43.50 ---> saved as "ffcb3116b2789bf6af8b948a4afd29cc7d6eb4f812439331c79fd6e18d103dec"/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.3.22.1 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 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/sbin/sudo "yum" "makecache"- Updating and loading repositories:- Fedora 43 - x86_64 - Updates 100% | 49.7 KiB/s | 6.0 KiB | 00m00s- Repositories loaded.- Metadata cache created.<><> 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-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-devel<><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><>+ /usr/sbin/sudo "yum" "install" "-y" "snappy-devel"- Updating and loading repositories:- Repositories loaded.- Package Arch Version Repository Size- Installing:- snappy-devel x86_64 1.2.2-2.fc43 fedora 47.4 KiB- Installing dependencies:- cmake-filesystem x86_64 3.31.11-1.fc43 updates 0.0 B- snappy x86_64 1.2.2-2.fc43 fedora 71.8 KiB-- Transaction Summary:- Installing: 3 packages-- Total size of inbound packages is 75 KiB. Need to download 75 KiB.- After this operation, 119 KiB extra will be used (install 119 KiB, remove 0 B).- [1/3] snappy-devel-0:1.2.2-2.fc43.x86_6 100% | 469.1 KiB/s | 22.0 KiB | 00m00s- [2/3] snappy-0:1.2.2-2.fc43.x86_64 100% | 671.6 KiB/s | 39.6 KiB | 00m00s- [3/3] cmake-filesystem-0:3.31.11-1.fc43 100% | 212.3 KiB/s | 13.4 KiB | 00m00s- --------------------------------------------------------------------------------- [3/3] Total 100% | 220.7 KiB/s | 75.0 KiB | 00m00s- Running transaction- [1/5] Verify package files 100% | 1.5 KiB/s | 3.0 B | 00m00s- [2/5] Prepare transaction 100% | 41.0 B/s | 3.0 B | 00m00s- [3/5] Installing cmake-filesystem-0:3.3 100% | 1.1 MiB/s | 7.6 KiB | 00m00s- [4/5] Installing snappy-0:1.2.2-2.fc43. 100% | 17.9 MiB/s | 73.5 KiB | 00m00s- [5/5] Installing snappy-devel-0:1.2.2-2 100% | 936.3 KiB/s | 49.6 KiB | 00m00s- Complete!+ /usr/sbin/rpm "-q" "--whatprovides" "snappy-devel"- snappy-devel-1.2.2-2.fc43.x86_64# To update the current shell environment, run: eval $(opam env)2026-04-03 12:44.09 ---> saved as "b5f96471ec6bc5bfaa773225dae6a648a289bed56592144c5aa2a44d4be23062"/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-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.3.22.1Done.# To update the current shell environment, run: eval $(opam env)2026-04-03 12:45.34 ---> saved as "a66bbe8159247c0041a081b49a8f7cb817628637f854be9f7f3cd4fdf4b3d9f1"/src: (copy (src .) (dst /src))2026-04-03 12:45.34 ---> saved as "672c462ed19dc8df18e41218a9b70f7fd6f00341a93881ec3078892fbdd85ec7"/src: (run (shell "opam exec -- dune build @install @check @runtest && rm -rf _build"))(cd _build/default && /home/opam/.opam/5.4/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 12026-04-03 12:45.36: Job failed: Failed: Build failed