2026-04-22 14:11.17: New job: test mirage/mirage-flow https://github.com/mirage/mirage-flow.git#refs/heads/main (c0efad0f73f95daba1736fb8631708da41ef5f3f) (macos-arm64:macos-homebrew-5.4_arm64_opam-2.5) Base: macos-homebrew-ocaml-5.4 Opam project build To reproduce locally: git clone --recursive "https://github.com/mirage/mirage-flow.git" -b "main" && cd "mirage-flow" && git reset --hard c0efad0f cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-5.4 # macos-homebrew-5.4_arm64_opam-2.5 USER 1000:1000 ENV CLICOLOR_FORCE="1" ENV OPAMCOLOR="always" RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opam RUN opam init --reinit -ni RUN uname -rs && opam exec -- ocaml -version && opam --version RUN cd ~/opam-repository && (git cat-file -e 036883c5402b41e0d35f6b200245cc7c3a302395 || git fetch origin master) && git reset -q --hard 036883c5402b41e0d35f6b200245cc7c3a302395 && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam ./src/./ RUN opam pin add -yn mirage-flow.dev './src/./' && \ opam pin add -yn mirage-flow-unix.dev './src/./' && \ opam pin add -yn mirage-flow-combinators.dev './src/./' RUN echo '(lang dune 3.0)' > './src/./dune-project' ENV DEPS="alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.1 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS RUN opam install $DEPS COPY --chown=1000:1000 . ./src RUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-04-22 14:11.17: Using cache hint "mirage/mirage-flow-macos-homebrew-ocaml-5.4-macos-homebrew-5.4_arm64_opam-2.5-d5995cb1a04936f1fabe70647b34e7db" 2026-04-22 14:11.17: Using OBuilder spec: ((from macos-homebrew-ocaml-5.4) (comment macos-homebrew-5.4_arm64_opam-2.5) (user (uid 1000) (gid 1000)) (env CLICOLOR_FORCE 1) (env OPAMCOLOR always) (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam")) (run (shell "opam init --reinit -ni")) (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 036883c5402b41e0d35f6b200245cc7c3a302395 || git fetch origin master) && git reset -q --hard 036883c5402b41e0d35f6b200245cc7c3a302395 && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam) (dst ./src/./)) (run (network host) (shell "opam pin add -yn mirage-flow.dev './src/./' && \ \nopam pin add -yn mirage-flow-unix.dev './src/./' && \ \nopam pin add -yn mirage-flow-combinators.dev './src/./'")) (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.1 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4") (env CI true) (env OCAMLCI true) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS")) (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam install $DEPS")) (copy (src .) (dst ./src)) (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) ) 2026-04-22 14:11.17: Waiting for resource in pool OCluster 2026-04-22 14:11.18: Waiting for worker… 2026-04-22 16:35.03: Got resource from pool OCluster Building on m1-worker-02 All commits already cached HEAD is now at c0efad0 Merge pull request #53 from hannesm/variants (from macos-homebrew-ocaml-5.4) 2026-04-22 16:40.32 ---> using "338135fbf1889e924a607b47198b8b308c32a925cc9436066d65a9bdc402cad5" from cache /: (comment macos-homebrew-5.4_arm64_opam-2.5) /: (user (uid 1000) (gid 1000)) /: (env CLICOLOR_FORCE 1) /: (env OPAMCOLOR always) /: (run (shell "ln -f ~/local/bin/opam-2.5 ~/local/bin/opam")) 2026-04-22 16:40.32 ---> using "0e9d0f8ed44ab1f77ef30c8d8456629e6c63f869a24319cbb64657a84e315111" from cache /: (run (shell "opam init --reinit -ni")) No configuration file found, using 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 /Users/mac1000/.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 ><><><><><><><><><><><><><><><><><><><><><><><><><><> [default] no changes from git+file:///Users/mac1000/opam-repository 2026-04-22 16:40.32 ---> using "06effe220fa63e5f9fae9bf4643255961d59bf292a94931a0e1dd6d81a9fa7c6" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 5.4.0 2.5.0 2026-04-22 16:40.33 ---> using "78e99acc02a52806060d0075d40f6ea681e9ef77eb60ecbbaff6e5155272646b" from cache /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "cd ~/opam-repository && (git cat-file -e 036883c5402b41e0d35f6b200245cc7c3a302395 || git fetch origin master) && git reset -q --hard 036883c5402b41e0d35f6b200245cc7c3a302395 && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 95f7875db7..80ba534fc6 master -> origin/master 036883c540 Merge pull request #29788 from dbuenzli/b0-publish-cmdliner.2.1.1 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///Users/mac1000/opam-repository default (at git+file:///Users/mac1000/opam-repository): [WARNING] opam is out-of-date. Please consider updating it (https://opam.ocaml.org/doc/Install.html) default (at git+file:///Users/mac1000/opam-repository): [INFO] opam 2.5.1 includes security fixes; please consider upgrading (https://opam.ocaml.org/doc/Install.html) Everything as up-to-date as possible The following packages are not being upgraded because the new versions conflict with other installed packages: - ocaml.5.5.0 - ocaml-compiler.5.4.1 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) 2026-04-22 16:40.33 ---> using "71cc5e00934cb201b0a7fe329a73e3354758237e0d32bb279642d981d93fb031" from cache /: (copy (src mirage-flow.opam mirage-flow-unix.opam mirage-flow-combinators.opam) (dst ./src/./)) 2026-04-22 16:40.34 ---> saved as "45d46f07ee7409b053e9cb718b1b5bcadc436434753aa4db63a1afd0e131700a" /: (run (network host) (shell "opam pin add -yn mirage-flow.dev './src/./' && \ \nopam pin add -yn mirage-flow-unix.dev './src/./' && \ \nopam pin add -yn mirage-flow-combinators.dev './src/./'")) [mirage-flow.dev] synchronised (file:///Users/mac1000/src) mirage-flow is now pinned to file:///Users/mac1000/src (version dev) [mirage-flow-unix.dev] synchronised (file:///Users/mac1000/src) mirage-flow-unix is now pinned to file:///Users/mac1000/src (version dev) [mirage-flow-combinators.dev] synchronised (file:///Users/mac1000/src) mirage-flow-combinators is now pinned to file:///Users/mac1000/src (version dev) 2026-04-22 16:40.50 ---> saved as "fa5f8bd4b499058e7b1cf98224fffaa20e6860dae0bbef7132e36dee76dce5a2" /: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2026-04-22 16:40.51 ---> saved as "5123b1681bbaf878dd86dfc92bde915b5d1cbb5814820c7b9ec7b9830d64d5e9" /: (env DEPS "alcotest.1.9.1 astring.0.8.5 base-bigarray.base base-bytes.base base-domains.base base-effects.base base-nnp.base base-threads.base base-unix.base cmdliner.2.1.1 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 dune.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 logs.0.10.0 lwt.6.1.1 mirage-mtime.5.2.0 mtime.2.1.0 ocaml.5.4.0 ocaml-base-compiler.5.4.0 ocaml-compiler.5.4.0 ocaml-config.3 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 re.1.14.0 stdlib-shims.0.3.0 topkg.1.1.1 uutf.1.0.4") /: (env CI true) /: (env OCAMLCI true) /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (network host) (shell "opam update --depexts && opam install --cli=2.5 --depext-only -y mirage-flow.dev mirage-flow-unix.dev mirage-flow-combinators.dev $DEPS")) + /opt/homebrew/bin/brew "update" - ==> Updating Homebrew... - Already up-to-date. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [mirage-flow-unix.dev] synchronised (file:///Users/mac1000/src) [mirage-flow-combinators.dev] synchronised (file:///Users/mac1000/src) [mirage-flow.dev] synchronised (file:///Users/mac1000/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). # To update the current shell environment, run: eval $(opam env) 2026-04-22 16:41.17 ---> saved as "dccc8cefa4ad0b6f61aa687f2aa02146a2d6423cafc31be1f59558ce56e069e1" /: (run (cache (opam-archives (target /Users/mac1000/.opam/download-cache)) (homebrew (target /Users/mac1000/Library/Caches/Homebrew))) (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 22 packages - install alcotest 1.9.1 - install astring 0.8.5 - install base-bytes base - install cmdliner 2.1.1 - install cppo 1.8.0 - install csexp 1.5.2 - install cstruct 6.2.0 - install dune 3.22.2 - install dune-configurator 3.22.2 - install fmt 0.11.0 - install logs 0.10.0 - install lwt 6.1.1 - install mirage-mtime 5.2.0 - install mtime 2.1.0 - install ocaml-syntax-shims 1.0.0 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install re 1.14.0 - install stdlib-shims 0.3.0 - install topkg 1.1.1 - install uutf 1.0.4 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved cmdliner.2.1.1 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved astring.0.8.5 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cstruct.6.2.0 (cached) -> retrieved alcotest.1.9.1 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved mirage-mtime.5.2.0 (cached) -> retrieved mtime.2.1.0 (cached) -> retrieved lwt.6.1.1 (cached) -> retrieved ocaml-syntax-shims.1.0.0 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ocplib-endian.1.2 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved re.1.14.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved dune.3.22.2, dune-configurator.3.22.2 (cached) -> installed ocamlbuild.0.16.1 -> installed cmdliner.2.1.1 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> 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 dune.3.22.2 -> installed mirage-mtime.5.2.0 -> installed csexp.1.5.2 -> installed stdlib-shims.0.3.0 -> installed re.1.14.0 -> installed ocaml-syntax-shims.1.0.0 -> installed cstruct.6.2.0 -> installed cppo.1.8.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.22.2 -> installed alcotest.1.9.1 -> installed lwt.6.1.1 -> installed logs.0.10.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-22 16:42.15 ---> saved as "9cfdc8fc4782936ba48d35de5ce0b799f51e4f83fea58de502ccf0220da9d435" /: (copy (src .) (dst ./src)) 2026-04-22 16:42.17 ---> saved as "c8aea0762fe11a99a75f89ca5bb6ef939617a334ea71997f14db172f4662fef1" /: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default/test && ./test.exe) Testing `mirage-flow'. This run has ID `9FOTX6XL'. [OK] string 0 input. [OK] string 1 output. [OK] strings 0 input. [OK] strings 1 output. [OK] cstruct 0 input. [OK] cstruct 1 output. [OK] cstructs 0 input. [OK] cstructs 1 output. [OK] lwt-io 0 input. [OK] lwt-io 1 output. Full test results in `~/src/_build/default/test/_build/_tests/mirage-flow'. Test Successful in 0.002s. 10 tests run. 2026-04-22 16:42.19 ---> saved as "0e949ee28c9f60c9ba4b8b701c8d1049c7647eb22a71514a4b7070a15635ef8e" Job succeeded 2026-04-22 16:42.23: Job succeeded