2026-06-15 21:04.48: New job: test ocaml-multicore/kcas https://github.com/ocaml-multicore/kcas.git#refs/heads/main (7a83eb3d1900aeefde42a27c2af60e6d8b7b360e) (linux-x86_64:(lint-doc)) Base: ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387 Opam project lint documentation To reproduce locally: git clone --recursive "https://github.com/ocaml-multicore/kcas.git" -b "main" && cd "kcas" && git reset --hard 7a83eb3d cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387 # alpine-3.23-4.14_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" WORKDIR /src RUN sudo ln -f /usr/bin/opam-2.2 /usr/bin/opam RUN cd ~/opam-repository && (git cat-file -e 10e0af440a78dac9c645359d20756997c0cad781 || git fetch origin master) && git reset -q --hard 10e0af440a78dac9c645359d20756997c0cad781 && git log --no-decorate -n1 --oneline RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version WORKDIR /src RUN sudo chown opam /src RUN opam update -u COPY --chown=1000:1000 kcas_data.opam kcas.opam ./ RUN opam pin add -yn kcas_data.dev './' && \ opam pin add -yn kcas.dev './' RUN echo '(lang dune 3.0)' > './dune-project' ENV DEPS="alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.1 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.23.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.2 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.2 ocamlbuild.0.16.1 ocamlfind.1.9.8 psq.0.2.1 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.2 --depext-only -y kcas_data.dev kcas.dev $DEPS RUN opam install $DEPS RUN opam install --yes dune 'odoc>=1.5.0' COPY --chown=1000:1000 . /src/ RUN ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo "dune build @doc failed"; exit 2) END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-06-15 21:04.48: Using cache hint "ocaml-multicore/kcas-ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387-alpine-3.23-4.14_opam-2.5-89c60c4bb0c1f1abda0b761384845d63" 2026-06-15 21:04.48: Using OBuilder spec: ((from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387) (comment alpine-3.23-4.14_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-2.2 /usr/bin/opam")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 10e0af440a78dac9c645359d20756997c0cad781 || git fetch origin master) && git reset -q --hard 10e0af440a78dac9c645359d20756997c0cad781 && git log --no-decorate -n1 --oneline")) (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 "opam update -u")) (copy (src kcas_data.opam kcas.opam) (dst ./)) (run (network host) (shell "opam pin add -yn kcas_data.dev './' && \ \nopam pin add -yn kcas.dev './'")) (run (shell "echo '(lang dune 3.0)' > './dune-project'")) (env DEPS "alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.1 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.23.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.2 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.2 ocamlbuild.0.16.1 ocamlfind.1.9.8 psq.0.2.1 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0") (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=2.2 --depext-only -y kcas_data.dev kcas.dev $DEPS")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install $DEPS")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install --yes dune 'odoc>=1.5.0'")) (copy (src .) (dst /src/)) (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")) ) 2026-06-15 21:04.48: Waiting for resource in pool OCluster 2026-06-15 21:31.33: Waiting for worker… 2026-06-15 21:36.47: Got resource from pool OCluster Building on odawa.caelum.ci.dev All commits already cached HEAD is now at 7a83eb3 Inline `Loc` ops and unroll (from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387) 2026-06-15 21:55.54 ---> using "645db74cf2f6617db2ad81b0e818e4f1f9c438bf86fc197e2b1f68b1d3dfdf29" from cache /: (comment alpine-3.23-4.14_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-2.2 /usr/bin/opam")) 2026-06-15 21:55.54 ---> using "146ba2c5ee9d79cdd90ca8377371a67b7c51c4feaed86d0a1de863e16bfb2749" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 10e0af440a78dac9c645359d20756997c0cad781 || git fetch origin master) && git reset -q --hard 10e0af440a78dac9c645359d20756997c0cad781 && git log --no-decorate -n1 --oneline")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD d6a960ed95..10e0af440a master -> origin/master 10e0af440a Merge pull request #30056 from mtelvers/opam-publish-ocaml-version.4.1.2 2026-06-15 21:55.54 ---> using "e5dbff8020afa025c461a5dbee0633acdc5021e5323edbaf921a27b1e1fcbc12" 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 development version of opam requires an update to the layout of /home/opam/.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 ><><><><><><><><><><><><><><><><><><><><><><><><><><> [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 (Could not contact DNS servers)" [default] synchronised from git+file:///home/opam/opam-repository 2026-06-15 21:55.54 ---> using "083f4d5e97413156dbc960bb241433fc1f48c9fde210eb25a151a55ac7b40d41" from cache /src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Linux 7.0.0-22-generic The OCaml toplevel, version 4.14.3 2.2.1 2026-06-15 21:55.54 ---> using "94a8e70d7437cf5ccd57c7b4186bfec9e9532c2239c1ebe08cb217ecb28ac58e" from cache /src: (workdir /src) /src: (run (shell "sudo chown opam /src")) 2026-06-15 21:55.54 ---> using "e510cb9e826c120e45e4230dd18adc4d6e9f9321437801905fc0bd205991d3f2" from cache /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam update -u")) <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [ocaml-patches-overlay] no changes from git+https://github.com/ocurrent/opam-repository#patches [default] no changes from git+file:///home/opam/opam-repository Everything as up-to-date as possible (run with --verbose to show unavailable upgrades). The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.6.0 - ocaml-config.3 However, you may "opam upgrade" these packages explicitly, which will ask permission to downgrade or uninstall the conflicting packages. Nothing to do. # Run eval $(opam env) to update the current shell environment 2026-06-15 21:55.54 ---> using "792d39e35c5f47589a4c93959e8513eafa10a2f1ce7ed87855937a7b0ef00478" from cache /src: (copy (src kcas_data.opam kcas.opam) (dst ./)) 2026-06-15 21:55.55 ---> saved as "b6d0889352558e48dd93b4ea9ecf9576c7222ff411175b5e4fdba54cf286102e" /src: (run (network host) (shell "opam pin add -yn kcas_data.dev './' && \ \nopam pin add -yn kcas.dev './'")) [kcas_data.dev] synchronised (file:///src) kcas_data is now pinned to file:///src (version dev) [kcas.dev] synchronised (file:///src) kcas is now pinned to file:///src (version dev) 2026-06-15 21:55.57 ---> saved as "347a37a8c99b3e30e23e7b7f98671d14ce5f9604c16439061a0dca64d0ee7777" /src: (run (shell "echo '(lang dune 3.0)' > './dune-project'")) 2026-06-15 21:55.57 ---> saved as "07e357f94ec73b451fab6a48f6b96bb7dc8bb8b657e9cf592464f7ac3aa6f3e7" /src: (env DEPS "alcotest.1.9.1 astring.0.8.5 backoff.0.1.1 base-bigarray.base base-threads.base base-unix.base camlp-streams.5.0.1 cmdliner.2.1.1 cppo.1.8.0 csexp.1.5.2 domain-local-await.1.0.1 domain-local-timeout.1.0.1 domain_shims.0.1.0 dune.3.23.1 fmt.0.11.0 logs.0.10.0 mdx.2.5.2 mtime.2.1.0 multicore-bench.0.1.7 multicore-magic.2.3.2 ocaml.4.14.3 ocaml-base-compiler.4.14.3 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocaml-version.4.1.2 ocamlbuild.0.16.1 ocamlfind.1.9.8 psq.0.2.1 qcheck-core.0.91 qcheck-multicoretests-util.0.10 qcheck-stm.0.10 re.1.14.0 result.1.5 seq.base stdlib-shims.0.3.0 thread-table.1.0.0 topkg.1.1.1 uutf.1.0.4 yojson.3.0.0") /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=2.2 --depext-only -y kcas_data.dev kcas.dev $DEPS")) + /usr/bin/sudo "apk" "update" - v3.23.4-378-g8dac5373128 [https://dl-cdn.alpinelinux.org/alpine/v3.23/main] - v3.23.4-377-gcb206250bc6 [https://dl-cdn.alpinelinux.org/alpine/v3.23/community] - v3.24.0-316-gc8659c418e3 [https://dl-cdn.alpinelinux.org/alpine/edge/main] - v3.24.0-285-g481551adb61 [https://dl-cdn.alpinelinux.org/alpine/edge/community] - v3.24.0-278-g8b6f91ba6fc [https://dl-cdn.alpinelinux.org/alpine/edge/testing] - OK: 62443 distinct packages available <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [kcas.dev] synchronised (file:///src) [kcas_data.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). 2026-06-15 21:56.06 ---> saved as "4a7e18e202cf48022a5941b06f159ee6238dc195e43ffc717ba6739bd8efc446" /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 33 packages - install alcotest 1.9.1 - install astring 0.8.5 - install backoff 0.1.1 - install camlp-streams 5.0.1 - install cmdliner 2.1.1 - install cppo 1.8.0 - install csexp 1.5.2 - install domain-local-await 1.0.1 - install domain-local-timeout 1.0.1 - install domain_shims 0.1.0 - install dune 3.23.1 - install fmt 0.11.0 - install logs 0.10.0 - install mdx 2.5.2 - install mtime 2.1.0 - install multicore-bench 0.1.7 - install multicore-magic 2.3.2 - install ocaml-syntax-shims 1.0.0 - install ocaml-version 4.1.2 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install psq 0.2.1 - install qcheck-core 0.91 - install qcheck-multicoretests-util 0.10 - install qcheck-stm 0.10 - install re 1.14.0 - install result 1.5 - install seq base - install stdlib-shims 0.3.0 - install thread-table 1.0.0 - install topkg 1.1.1 - install uutf 1.0.4 - install yojson 3.0.0 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved backoff.0.1.1 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved camlp-streams.5.0.1 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved domain-local-await.1.0.1 (cached) -> retrieved domain-local-timeout.1.0.1 (cached) -> retrieved domain_shims.0.1.0 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved multicore-bench.0.1.7 (cached) -> retrieved mdx.2.5.2 (cached) -> retrieved multicore-magic.2.3.2 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocaml-version.4.1.2 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved psq.0.2.1 (cached) -> retrieved qcheck-core.0.91 (cached) -> retrieved qcheck-multicoretests-util.0.10, qcheck-stm.0.10 (cached) -> retrieved re.1.14.0 (cached) -> retrieved seq.base (cached) -> installed seq.base -> retrieved result.1.5 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved thread-table.1.0.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved yojson.3.0.0 (cached) -> retrieved dune.3.23.1 (cached) -> installed cmdliner.2.1.1 -> installed ocamlbuild.0.16.1 -> installed ocamlfind.1.9.8 -> installed topkg.1.1.1 -> installed uutf.1.0.4 -> installed fmt.0.11.0 -> installed mtime.2.1.0 -> installed astring.0.8.5 -> installed logs.0.10.0 -> installed dune.3.23.1 -> installed domain_shims.0.1.0 -> installed csexp.1.5.2 -> installed camlp-streams.5.0.1 -> installed backoff.0.1.1 -> installed multicore-magic.2.3.2 -> installed ocaml-version.4.1.2 -> installed psq.0.2.1 -> installed result.1.5 -> installed stdlib-shims.0.3.0 -> installed thread-table.1.0.0 -> installed domain-local-timeout.1.0.1 -> installed domain-local-await.1.0.1 -> installed ocaml-syntax-shims.1.0.0 -> installed cppo.1.8.0 -> installed re.1.14.0 -> installed yojson.3.0.0 -> installed qcheck-core.0.91 -> installed qcheck-multicoretests-util.0.10 -> installed multicore-bench.0.1.7 -> installed alcotest.1.9.1 -> installed qcheck-stm.0.10 -> installed mdx.2.5.2 Done. # Run eval $(opam env) to update the current shell environment 2026-06-15 21:56.40 ---> saved as "01de7f3b9b951b24fb8b017b5e8fd78dd6db3fa73d376997f316c1dd97726a11" /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam install --yes dune 'odoc>=1.5.0'")) [NOTE] Package dune is already installed (current version is 3.23.1). The following actions will be performed: === install 6 packages - install crunch 4.0.0 [required by odoc] - install fpath 0.7.3 [required by odoc] - install odoc 3.2.1 - install odoc-parser 3.2.1 [required by odoc] - install ptime 1.2.0 [required by crunch] - install tyxml 4.6.0 [required by odoc] <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved crunch.4.0.0 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved tyxml.4.6.0 (cached) -> retrieved odoc.3.2.1, odoc-parser.3.2.1 (cached) -> installed fpath.0.7.3 -> installed ptime.1.2.0 -> installed crunch.4.0.0 -> installed odoc-parser.3.2.1 -> installed tyxml.4.6.0 -> installed odoc.3.2.1 Done. # Run eval $(opam env) to update the current shell environment 2026-06-15 21:56.55 ---> saved as "4d73e2fe80d2890d98fdab08f01f2803d2e6a3939929376f09965e7207cacc90" /src: (copy (src .) (dst /src/)) 2026-06-15 21:56.55 ---> saved as "da50342f7c661493b003d6255170af54e1dfe75ea32f07701968e3380a137611" /src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)")) 2026-06-15 21:56.56 ---> saved as "4fd0d294d796f443be807ae4fddb07c1c51bf9281487f04a06119d23ebe04dbc" Job succeeded 2026-06-15 21:56.56: Job succeeded