2026-04-29 00:35.41: New job: test mirage/ocaml-fat https://github.com/mirage/ocaml-fat.git#refs/heads/main (75f00421ec577cb0f3380ee9fe94f15d13069fda) (macos-arm64:macos-homebrew-4.14_arm64_opam-2.5) Base: macos-homebrew-ocaml-4.14 Opam project build To reproduce locally: git clone --recursive "https://github.com/mirage/ocaml-fat.git" -b "main" && cd "ocaml-fat" && git reset --hard 75f00421 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM macos-homebrew-ocaml-4.14 # macos-homebrew-4.14_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 dd592986d47d277a9eee2bf37e1c4aa3a0c3efbd || git fetch origin master) && git reset -q --hard dd592986d47d277a9eee2bf37e1c4aa3a0c3efbd && git log --no-decorate -n1 --oneline && opam update -u COPY --chown=1000:1000 fat-filesystem.opam ./src/./ RUN opam pin add -yn fat-filesystem.dev './src/./' RUN echo '(lang dune 3.0)' > './src/./dune-project' ENV DEPS="alcotest.1.9.1 angstrom.0.16.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bigstringaf.0.10.0 cmdliner.2.1.1 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0 dune.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 io-page.3.0.0 logs.0.10.0 lwt.6.1.2 mirage-block.3.0.2 mirage-block-combinators.3.0.2 mirage-block-unix.2.14.2 mirage-kv.6.1.1 num.1.6 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 parsexp.v0.16.0 ppx_cstruct.6.2.0 ppx_derivers.1.2.1 ppxlib.0.38.0 ptime.1.2.0 re.1.14.0 rresult.0.7.0 sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 stringext.1.6.0 topkg.1.1.1 uri.4.4.0 uutf.1.0.4" ENV CI="true" ENV OCAMLCI="true" RUN opam update --depexts && opam install --cli=2.5 --depext-only -y fat-filesystem.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 2026-04-29 00:35.41: Using cache hint "mirage/ocaml-fat-macos-homebrew-ocaml-4.14-macos-homebrew-4.14_arm64_opam-2.5-47f005d9161a24760609dfda0b4df2e8" 2026-04-29 00:35.41: Using OBuilder spec: ((from macos-homebrew-ocaml-4.14) (comment macos-homebrew-4.14_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 dd592986d47d277a9eee2bf37e1c4aa3a0c3efbd || git fetch origin master) && git reset -q --hard dd592986d47d277a9eee2bf37e1c4aa3a0c3efbd && git log --no-decorate -n1 --oneline && opam update -u")) (copy (src fat-filesystem.opam) (dst ./src/./)) (run (network host) (shell "opam pin add -yn fat-filesystem.dev './src/./'")) (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) (env DEPS "alcotest.1.9.1 angstrom.0.16.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bigstringaf.0.10.0 cmdliner.2.1.1 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0 dune.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 io-page.3.0.0 logs.0.10.0 lwt.6.1.2 mirage-block.3.0.2 mirage-block-combinators.3.0.2 mirage-block-unix.2.14.2 mirage-kv.6.1.1 num.1.6 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 parsexp.v0.16.0 ppx_cstruct.6.2.0 ppx_derivers.1.2.1 ppxlib.0.38.0 ptime.1.2.0 re.1.14.0 rresult.0.7.0 sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 stringext.1.6.0 topkg.1.1.1 uri.4.4.0 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 fat-filesystem.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")) ) 2026-04-29 00:35.41: Waiting for resource in pool OCluster 2026-04-29 02:25.23: Waiting for worker… 2026-04-29 08:15.18: Got resource from pool OCluster Building on m1-worker-01 All commits already cached HEAD is now at 75f0042 Merge pull request #95 from hannesm/add-maint (from macos-homebrew-ocaml-4.14) 2026-04-29 08:15.19 ---> using "0c60f117aee57abea8364cb033d47bb1d63ff0f68e5ee97378e032498e8442af" from cache /: (comment macos-homebrew-4.14_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")) 2026-04-29 08:15.19 ---> using "75b1629629d7f21c50a7e1e39b2ef83e2edb8ace81aab34254c0c8782b814749" 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 2026-04-29 08:15.19 ---> using "a61e945ab7671a6fff400f946e3fe88df4d67a783ea1f56fa59dc21595ef1b19" from cache /: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version")) Darwin 24.5.0 The OCaml toplevel, version 4.14.2 2.5.0 2026-04-29 08:15.19 ---> using "11a9923a4c4f0ab256d15330129e4c4938459d2e6239eb4f7bdf0f2620300e09" 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 dd592986d47d277a9eee2bf37e1c4aa3a0c3efbd || git fetch origin master) && git reset -q --hard dd592986d47d277a9eee2bf37e1c4aa3a0c3efbd && git log --no-decorate -n1 --oneline && opam update -u")) From https://github.com/ocaml/opam-repository * branch master -> FETCH_HEAD 043b6ea343..dd592986d4 master -> origin/master dd592986d4 Merge pull request #29752 from raphael-proust/opam-publish-lwt.6.1.2 <><> 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-config.3 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) 2026-04-29 08:15.19 ---> using "3ca1b1699e0d47790a7a9ccafb96cd817c3485405b2a7e744f917b6d1741b88a" from cache /: (copy (src fat-filesystem.opam) (dst ./src/./)) 2026-04-29 08:15.20 ---> saved as "a204a733fb2385e2e94a4476094c317959a3c3bb3a1459f9fa04d6ffded339ac" /: (run (network host) (shell "opam pin add -yn fat-filesystem.dev './src/./'")) [fat-filesystem.dev] synchronised (file:///Users/mac1000/src) fat-filesystem is now pinned to file:///Users/mac1000/src (version dev) 2026-04-29 08:15.34 ---> saved as "fcc22306cd794d2bdc52f8eeccffcf96c75a3a69b5d50fe18bc73d30fe39391a" /: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'")) 2026-04-29 08:15.35 ---> saved as "ae9b0b5044bc9b37158aaf2c41c3b2e0cff31860a36269a56f6564bb0698fd30" /: (env DEPS "alcotest.1.9.1 angstrom.0.16.1 astring.0.8.5 base-bigarray.base base-bytes.base base-threads.base base-unix.base bigstringaf.0.10.0 cmdliner.2.1.1 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0 dune.3.22.2 dune-configurator.3.22.2 fmt.0.11.0 io-page.3.0.0 logs.0.10.0 lwt.6.1.2 mirage-block.3.0.2 mirage-block-combinators.3.0.2 mirage-block-unix.2.14.2 mirage-kv.6.1.1 num.1.6 ocaml.4.14.2 ocaml-base-compiler.4.14.2 ocaml-compiler-libs.v0.12.4 ocaml-config.2 ocaml-options-vanilla.1 ocaml-syntax-shims.1.0.0 ocamlbuild.0.16.1 ocamlfind.1.9.8 ocplib-endian.1.2 optint.0.3.0 parsexp.v0.16.0 ppx_cstruct.6.2.0 ppx_derivers.1.2.1 ppxlib.0.38.0 ptime.1.2.0 re.1.14.0 rresult.0.7.0 sexplib.v0.16.0 sexplib0.v0.16.0 stdlib-shims.0.3.0 stringext.1.6.0 topkg.1.1.1 uri.4.4.0 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 fat-filesystem.dev $DEPS")) + /opt/homebrew/bin/brew "update" - ==> Updating Homebrew... - Already up-to-date. <><> Synchronising pinned packages ><><><><><><><><><><><><><><><><><><><><><><> [fat-filesystem.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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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: pkgconf <><> Handling external dependencies <><><><><><><><><><><><><><><><><><><><><><> + /opt/homebrew/bin/brew "install" "pkgconf" - ==> Fetching downloads for: pkgconf - ✔︎ Bottle Manifest pkgconf (2.5.1) - ✔︎ Bottle Manifest pkgconf (2.5.1) - ✔︎ Bottle pkgconf (2.5.1) - ==> Pouring pkgconf--2.5.1.arm64_sequoia.bottle.tar.gz - 🍺 /opt/homebrew/Cellar/pkgconf/2.5.1: 28 files, 531.2KB - ==> Running `brew cleanup pkgconf`... - Disable this behaviour by setting `HOMEBREW_NO_INSTALL_CLEANUP=1`. - Hide these hints with `HOMEBREW_NO_ENV_HINTS=1` (see `man brew`). # To update the current shell environment, run: eval $(opam env) 2026-04-29 08:16.00 ---> saved as "a56a519085cf73d9ce823b8e0d968439bb309202920b23557645baec4476087e" /: (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 2). [NOTE] Package ocaml-base-compiler is already installed (current version is 4.14.2). [NOTE] Package ocaml is already installed (current version is 4.14.2). [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 42 packages - install alcotest 1.9.1 - install angstrom 0.16.1 - install astring 0.8.5 - install base-bytes base - install bigstringaf 0.10.0 - install cmdliner 2.1.1 - install conf-pkg-config 4 - install cppo 1.8.0 - install csexp 1.5.2 - install cstruct 6.2.0 - install cstruct-lwt 6.2.0 - install dune 3.22.2 - install dune-configurator 3.22.2 - install fmt 0.11.0 - install io-page 3.0.0 - install logs 0.10.0 - install lwt 6.1.2 - install mirage-block 3.0.2 - install mirage-block-combinators 3.0.2 - install mirage-block-unix 2.14.2 - install mirage-kv 6.1.1 - install num 1.6 - install ocaml-compiler-libs v0.12.4 - install ocaml-syntax-shims 1.0.0 - install ocamlbuild 0.16.1 - install ocamlfind 1.9.8 - install ocplib-endian 1.2 - install optint 0.3.0 - install parsexp v0.16.0 - install ppx_cstruct 6.2.0 - install ppx_derivers 1.2.1 - install ppxlib 0.38.0 - install ptime 1.2.0 - install re 1.14.0 - install rresult 0.7.0 - install sexplib v0.16.0 - install sexplib0 v0.16.0 - install stdlib-shims 0.3.0 - install stringext 1.6.0 - install topkg 1.1.1 - install uri 4.4.0 - install uutf 1.0.4 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved angstrom.0.16.1 (cached) -> retrieved bigstringaf.0.10.0 (cached) -> retrieved alcotest.1.9.1 (cached) -> installed conf-pkg-config.4 -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.2 (cached) -> retrieved cstruct.6.2.0, cstruct-lwt.6.2.0, ppx_cstruct.6.2.0 (cached) -> retrieved cmdliner.2.1.1 (cached) -> retrieved fmt.0.11.0 (cached) -> retrieved io-page.3.0.0 (cached) -> retrieved logs.0.10.0 (cached) -> retrieved mirage-block.3.0.2, mirage-block-combinators.3.0.2 (cached) -> retrieved lwt.6.1.2 (cached) -> retrieved mirage-block-unix.2.14.2 (cached) -> retrieved mirage-kv.6.1.1 (cached) -> retrieved num.1.6 (cached) -> retrieved ocaml-compiler-libs.v0.12.4 (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 parsexp.v0.16.0 (cached) -> retrieved optint.0.3.0 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved ptime.1.2.0 (cached) -> retrieved re.1.14.0 (cached) -> retrieved rresult.0.7.0 (cached) -> retrieved sexplib.v0.16.0 (cached) -> retrieved sexplib0.v0.16.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved ppxlib.0.38.0 (cached) -> retrieved stringext.1.6.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved uri.4.4.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved dune.3.22.2, dune-configurator.3.22.2 (cached) -> installed ocamlbuild.0.16.1 -> installed num.1.6 -> installed cmdliner.2.1.1 -> installed ocamlfind.1.9.8 -> installed base-bytes.base -> installed topkg.1.1.1 -> installed rresult.0.7.0 -> installed uutf.1.0.4 -> installed ptime.1.2.0 -> installed fmt.0.11.0 -> installed astring.0.8.5 -> installed dune.3.22.2 -> installed ppx_derivers.1.2.1 -> installed csexp.1.5.2 -> installed optint.0.3.0 -> installed sexplib0.v0.16.0 -> installed re.1.14.0 -> installed ocaml-syntax-shims.1.0.0 -> installed ocaml-compiler-libs.v0.12.4 -> installed cstruct.6.2.0 -> installed cppo.1.8.0 -> installed stdlib-shims.0.3.0 -> installed io-page.3.0.0 -> installed stringext.1.6.0 -> installed ocplib-endian.1.2 -> installed dune-configurator.3.22.2 -> installed alcotest.1.9.1 -> installed parsexp.v0.16.0 -> installed bigstringaf.0.10.0 -> installed angstrom.0.16.1 -> installed sexplib.v0.16.0 -> installed uri.4.4.0 -> installed lwt.6.1.2 -> installed mirage-kv.6.1.1 -> installed cstruct-lwt.6.2.0 -> installed mirage-block.3.0.2 -> installed logs.0.10.0 -> installed mirage-block-combinators.3.0.2 -> installed mirage-block-unix.2.14.2 -> installed ppxlib.0.38.0 -> installed ppx_cstruct.6.2.0 Done. # To update the current shell environment, run: eval $(opam env) 2026-04-29 08:17.01 ---> saved as "939e6fc923a9454e8dba7e0dff1ed72d0dfae3e5c96ca297902a9ed9642cf277" /: (copy (src .) (dst ./src)) 2026-04-29 08:17.02 ---> saved as "854b4d6ff44976816d4d7be6ebcd1966c20079fe3ab1e8883a5e2721ff9102e8" /: (run (shell "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build")) (cd _build/default && /Users/mac1000/.opam/4.14.2/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 src/.fat_filesystem.objs/byte -I /Users/mac1000/.opam/4.14.2/lib/astring -I /Users/mac1000/.opam/4.14.2/lib/cstruct -I /Users/mac1000/.opam/4.14.2/lib/fmt -I /Users/mac1000/.opam/4.14.2/lib/io-page -I /Users/mac1000/.opam/4.14.2/lib/lwt -I /Users/mac1000/.opam/4.14.2/lib/mirage-block -I /Users/mac1000/.opam/4.14.2/lib/mirage-kv -I /Users/mac1000/.opam/4.14.2/lib/optint -I /Users/mac1000/.opam/4.14.2/lib/ptime -I /Users/mac1000/.opam/4.14.2/lib/re -I /Users/mac1000/.opam/4.14.2/lib/re/str -I /Users/mac1000/.opam/4.14.2/lib/rresult -intf-suffix .ml -no-alias-deps -opaque -o src/.fat_filesystem.objs/byte/fat.cmo -c -impl src/fat.pp.ml) File "src/fat.ml", line 1: Error: The implementation src/fat.pp.ml does not match the interface src/.fat_filesystem.objs/byte/fat.cmi: ... ... The value `get_partial' is required but not provided File "src/mirage_kv.mli", line 140, characters 2-98: Expected declaration In module KV_RO: The value `size' is required but not provided File "src/mirage_kv.mli", line 175, characters 2-60: Expected declaration (cd _build/default && /Users/mac1000/.opam/4.14.2/bin/ocamlopt.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 -I src/.fat_filesystem.objs/byte -I src/.fat_filesystem.objs/native -I /Users/mac1000/.opam/4.14.2/lib/astring -I /Users/mac1000/.opam/4.14.2/lib/cstruct -I /Users/mac1000/.opam/4.14.2/lib/fmt -I /Users/mac1000/.opam/4.14.2/lib/io-page -I /Users/mac1000/.opam/4.14.2/lib/lwt -I /Users/mac1000/.opam/4.14.2/lib/mirage-block -I /Users/mac1000/.opam/4.14.2/lib/mirage-kv -I /Users/mac1000/.opam/4.14.2/lib/optint -I /Users/mac1000/.opam/4.14.2/lib/ptime -I /Users/mac1000/.opam/4.14.2/lib/re -I /Users/mac1000/.opam/4.14.2/lib/re/str -I /Users/mac1000/.opam/4.14.2/lib/rresult -intf-suffix .ml -no-alias-deps -opaque -o src/.fat_filesystem.objs/native/fat.cmx -c -impl src/fat.pp.ml) File "src/fat.ml", line 1: Error: The implementation src/fat.pp.ml does not match the interface src/.fat_filesystem.objs/byte/fat.cmi: ... ... The value `get_partial' is required but not provided File "src/mirage_kv.mli", line 140, characters 2-98: Expected declaration In module KV_RO: The value `size' is required but not provided File "src/mirage_kv.mli", line 175, characters 2-60: Expected declaration "/usr/bin/env" "bash" "-c" "cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _build" failed with exit status 1 2026-04-29 08:17.07: Job failed: Failed: Build failed