2026-06-17 21:18.49: 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:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387Opam project lint documentationTo reproduce locally:git clone --recursive "https://github.com/ocaml-multicore/kcas.git" -b "main" && cd "kcas" && git reset --hard 7a83eb3dcat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387# alpine-3.23-4.14_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"WORKDIR /srcRUN sudo ln -f /usr/bin/opam-2.2 /usr/bin/opamRUN cd ~/opam-repository && (git cat-file -e 10e0af440a78dac9c645359d20756997c0cad781 || git fetch origin master) && git reset -q --hard 10e0af440a78dac9c645359d20756997c0cad781 && git log --no-decorate -n1 --onelineRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionWORKDIR /srcRUN sudo chown opam /srcRUN opam update -uCOPY --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 $DEPSRUN opam install $DEPSRUN 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-DOCKERFILEdocker build .END-REPRO-BLOCK2026-06-17 21:18.49: 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"2026-06-17 21:18.49: 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)")))2026-06-17 21:18.49: Waiting for resource in pool OCluster2026-06-17 21:18.49: Waiting for worker…2026-06-17 21:18.49: Got resource from pool OClusterBuilding on odawa.caelum.ci.devAll commits already cachedHEAD is now at 7a83eb3 Inline `Loc` ops and unroll(from ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387)Unable to find image 'ocaml/opam:alpine-3.23-ocaml-4.14@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387' locallydocker.io/ocaml/opam@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387: Pulling from ocaml/opam6a0ac1617861: Already existsc7f7861ee488: Already exists242907bdbe26: Already exists3352270e10b0: Already exists47c18f475101: Already exists9e65bd6c7317: Already exists2801e5e13c88: Already exists018ccadd5bf7: Already exists2e273f2aabdd: Already existse348a3504fd1: Already exists37f6ed8f41db: Already existse4dee05632b5: Already existscc7d1e48a817: Already exists2afc109d933b: Already existsc8b994fd4978: Already exists94d6ee139c18: Already exists33b9b3d1317d: Already exists4f4fb700ef54: Already exists48061712d8ec: Already exists9379b5d8c279: Already existsda5d751f6c1f: Already existsded3ed35f70f: Already exists9d95cd3602ab: Already existse5ec97e88805: Already exists8fa9502c7636: Already existsd2ada6e134f3: Already existsde9c4f786308: Already exists74907ca98ac8: Already existsd97c011a0188: Already exists5e3139447bb2: Already exists0abf1764e2f7: Already existscabb3cb070af: Already exists8567d9bd2ef5: Already exists6355f795b23f: Already existsd56470579452: Already exists5e09940486c0: Already existsa233b1024b15: Pulling fs layer2c1661b8dd39: Pulling fs layer2806c619d596: Pulling fs layer831867293e0e: Pulling fs layerd78a7a35988b: Pulling fs layer831867293e0e: Waitingd78a7a35988b: Waiting2806c619d596: Verifying Checksum2806c619d596: Download complete831867293e0e: Verifying Checksum831867293e0e: Download completed78a7a35988b: Verifying Checksumd78a7a35988b: Download complete2c1661b8dd39: Verifying Checksum2c1661b8dd39: Download completea233b1024b15: Verifying Checksuma233b1024b15: Download completea233b1024b15: Pull complete2c1661b8dd39: Pull complete2806c619d596: Pull complete831867293e0e: Pull completed78a7a35988b: Pull completeDigest: sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e026387Status: Downloaded newer image for ocaml/opam@sha256:e6d488fded0eb95c5f2ff49163d2fc1dc2ab9519311b8ec28ef97d1d3e0263872026-06-17 21:20.25 ---> saved as "645db74cf2f6617db2ad81b0e818e4f1f9c438bf86fc197e2b1f68b1d3dfdf29"/: (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"))2026-06-17 21:20.25 ---> saved as "146ba2c5ee9d79cdd90ca8377371a67b7c51c4feaed86d0a1de863e16bfb2749"/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_HEADd6a960ed95..62b12ba368 master -> origin/master10e0af440a Merge pull request #30056 from mtelvers/opam-publish-ocaml-version.4.1.22026-06-17 21:20.34 ---> saved as "e5dbff8020afa025c461a5dbee0633acdc5021e5323edbaf921a27b1e1fcbc12"/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 --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 (Could not contact DNS servers)"[default] synchronised from git+file:///home/opam/opam-repository2026-06-17 21:20.50 ---> saved as "083f4d5e97413156dbc960bb241433fc1f48c9fde210eb25a151a55ac7b40d41"/src: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Linux 7.0.0-22-genericThe OCaml toplevel, version 4.14.32.2.12026-06-17 21:20.50 ---> saved as "94a8e70d7437cf5ccd57c7b4186bfec9e9532c2239c1ebe08cb217ecb28ac58e"/src: (workdir /src)/src: (run (shell "sudo chown opam /src"))2026-06-17 21:20.51 ---> saved as "e510cb9e826c120e45e4230dd18adc4d6e9f9321437801905fc0bd205991d3f2"/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-repositoryEverything 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.3However, 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 environment2026-06-17 21:20.59 ---> saved as "792d39e35c5f47589a4c93959e8513eafa10a2f1ce7ed87855937a7b0ef00478"/src: (copy (src kcas_data.opam kcas.opam) (dst ./))2026-06-17 21:20.59 ---> 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)2026-06-17 21:21.01 ---> saved as "347a37a8c99b3e30e23e7b7f98671d14ce5f9604c16439061a0dca64d0ee7777"/src: (run (shell "echo '(lang dune 3.0)' > './dune-project'"))2026-06-17 21:21.01 ---> 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]- v3.24.0-395-ga731104dec7 [https://dl-cdn.alpinelinux.org/alpine/edge/main]- v3.24.0-410-g8cdb5b2a4c5 [https://dl-cdn.alpinelinux.org/alpine/edge/community]- v3.24.0-400-g93ea75edf22 [https://dl-cdn.alpinelinux.org/alpine/edge/testing]- OK: 62449 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).2026-06-17 21:21.18 ---> 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 mtime.2.1.0-> installed fmt.0.11.0-> 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.2.5.2Done.# Run eval $(opam env) to update the current shell environment2026-06-17 21:21.52 ---> 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.3.2.1Done.# Run eval $(opam env) to update the current shell environment2026-06-17 21:22.07 ---> saved as "4d73e2fe80d2890d98fdab08f01f2803d2e6a3939929376f09965e7207cacc90"/src: (copy (src .) (dst /src/))2026-06-17 21:22.07 ---> saved as "da50342f7c661493b003d6255170af54e1dfe75ea32f07701968e3380a137611"/src: (run (shell "ODOC_WARN_ERROR=false opam exec -- dune build @doc || (echo \"dune build @doc failed\"; exit 2)"))2026-06-17 21:22.08 ---> saved as "4fd0d294d796f443be807ae4fddb07c1c51bf9281487f04a06119d23ebe04dbc"Job succeeded2026-06-17 21:22.08: Job succeeded