2026-04-03 11:38.01: New job: test mirage/ocaml-fat https://github.com/mirage/ocaml-fat.git#refs/heads/main (75f00421ec577cb0f3380ee9fe94f15d13069fda) (macos-x86_64:macos-homebrew-4.14_opam-2.5)Base: macos-homebrew-ocaml-4.14Opam project buildTo reproduce locally:git clone --recursive "https://github.com/mirage/ocaml-fat.git" -b "main" && cd "ocaml-fat" && git reset --hard 75f00421cat > Dockerfile <<'END-OF-DOCKERFILE'FROM macos-homebrew-ocaml-4.14# macos-homebrew-4.14_opam-2.5USER 1000:1000ENV CLICOLOR_FORCE="1"ENV OPAMCOLOR="always"RUN ln -f ~/local/bin/opam-2.5 ~/local/bin/opamRUN opam init --reinit -niRUN uname -rs && opam exec -- ocaml -version && opam --versionRUN 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 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.2.1.0 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0 dune.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 io-page.3.0.0 logs.0.10.0 lwt.6.1.1 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 $DEPSRUN opam install $DEPSCOPY --chown=1000:1000 . ./srcRUN cd ./src && opam exec -- dune build @install @check @runtest && rm -rf _buildEND-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-04-03 11:38.01: Using cache hint "mirage/ocaml-fat-macos-homebrew-ocaml-4.14-macos-homebrew-4.14_opam-2.5-ec115e2846bf38a51fceee2e83e1f81c"2026-04-03 11:38.01: Using OBuilder spec:((from macos-homebrew-ocaml-4.14)(comment macos-homebrew-4.14_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 d06cfb1853afceb1dc127f88edaac3f8110bf6cc || git fetch origin master) && git reset -q --hard d06cfb1853afceb1dc127f88edaac3f8110bf6cc && 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.2.1.0 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0 dune.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 io-page.3.0.0 logs.0.10.0 lwt.6.1.1 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")))2026-04-03 11:38.01: Waiting for resource in pool OCluster2026-04-04 04:43.29: Waiting for worker…2026-04-04 07:14.29: Got resource from pool OClusterBuilding on i7-worker-04All commits already cachedHEAD is now at 75f0042 Merge pull request #95 from hannesm/add-maint(from macos-homebrew-ocaml-4.14)2026-04-04 07:14.30 ---> using "0c60f117aee57abea8364cb033d47bb1d63ff0f68e5ee97378e032498e8442af" from cache/: (comment macos-homebrew-4.14_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"))2026-04-04 07:14.31 ---> 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 --globalFormat upgrade done.<><> Updating repositories ><><><><><><><><><><><><><><><><><><><><><><><><><><>[default] no changes from git+file:///Users/mac1000/opam-repository2026-04-04 07:14.31 ---> using "a61e945ab7671a6fff400f946e3fe88df4d67a783ea1f56fa59dc21595ef1b19" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 4.14.22.5.02026-04-04 07:14.31 ---> 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 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_HEAD95f7875db7..2a4b439041 master -> origin/masterd06cfb1853 Merge pull request #29632 from shonfeder/release-dune-3.22.1<><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><>[default] synchronised from git+file:///Users/mac1000/opam-repositoryEverything as up-to-date as possibleThe following packages are not being upgraded because the new versions conflict with other installed packages:- ocaml.5.5.0- ocaml-config.3However, 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)2026-04-04 07:14.32 ---> using "b349ecfe793a8fb028836290c8efffe8474e705aa8fa020d014ab0f6138a0a53" from cache/: (copy (src fat-filesystem.opam) (dst ./src/./))2026-04-04 07:14.34 ---> saved as "be21b00fd27b687fc91deb750b4f09eb4557e65b72fda919a41929c4401faaae"/: (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)2026-04-04 07:14.47 ---> saved as "b71b41bc752ba6b4ca0b2b392832a90b93fa3231380efcddbc71548d22fa9629"/: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2026-04-04 07:14.49 ---> saved as "ed9d1a1168fede9f2b52ac34652b8eb994e9a4c2b67e0360a6a43144ae4c01b9"/: (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.2.1.0 conf-pkg-config.4 cppo.1.8.0 csexp.1.5.2 cstruct.6.2.0 cstruct-lwt.6.2.0 dune.3.22.1 dune-configurator.3.22.1 fmt.0.11.0 io-page.3.0.0 logs.0.10.0 lwt.6.1.1 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"))+ /usr/local/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 <><><><><><><><><><><><><><><><><><><><><><>+ /usr/local/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.sequoia.bottle.tar.gz- 🍺 /usr/local/Cellar/pkgconf/2.5.1: 28 files, 383.2KB- ==> 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)2026-04-04 07:15.25 ---> saved as "9b583f4341e5a1ff093811e4417ab019536513458876185ac6b2228c5749ba86"/: (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 2.1.0- 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 3.22.1- install dune-configurator 3.22.1- install fmt 0.11.0- install io-page 3.0.0- install logs 0.10.0- install lwt 6.1.1- 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 cmdliner.2.1.0 (cached)-> retrieved cstruct.6.2.0, cstruct-lwt.6.2.0, ppx_cstruct.6.2.0 (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.6.1.1 (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 stringext.1.6.0 (cached)-> retrieved ppxlib.0.38.0 (cached)-> retrieved topkg.1.1.1 (cached)-> retrieved uutf.1.0.4 (cached)-> retrieved uri.4.4.0 (cached)-> retrieved dune.3.22.1, dune-configurator.3.22.1 (cached)-> installed ocamlfind.1.9.8-> installed base-bytes.base-> installed cmdliner.2.1.0-> installed num.1.6-> installed ocamlbuild.0.16.1-> installed topkg.1.1.1-> installed rresult.0.7.0-> installed uutf.1.0.4-> installed fmt.0.11.0-> installed ptime.1.2.0-> installed astring.0.8.5-> installed dune.3.22.1-> installed csexp.1.5.2-> installed stringext.1.6.0-> installed stdlib-shims.0.3.0-> installed sexplib0.v0.16.0-> installed re.1.14.0-> installed ppx_derivers.1.2.1-> installed optint.0.3.0-> 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 io-page.3.0.0-> installed ocplib-endian.1.2-> installed dune-configurator.3.22.1-> 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.6.1.1-> installed cstruct-lwt.6.2.0-> installed mirage-kv.6.1.1-> installed mirage-block.3.0.2-> installed logs.0.10.0-> installed mirage-block-unix.2.14.2-> installed mirage-block-combinators.3.0.2-> installed ppxlib.0.38.0-> installed ppx_cstruct.6.2.0Done.# To update the current shell environment, run: eval $(opam env)2026-04-04 07:17.07 ---> saved as "e4337fd12287122d58e40d28fdf70f8ad854cc6e6e1fc3db031bce24cb469a66"/: (copy (src .) (dst ./src))2026-04-04 07:17.09 ---> saved as "1c64fd3afc1c538d8cade7ffdbb7b15a4d1ef5d939ec8aee250cf2eacde1888f"/: (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.mldoes not match the interface src/.fat_filesystem.objs/byte/fat.cmi:... ...The value `get_partial' is required but not providedFile "src/mirage_kv.mli", line 140, characters 2-98:Expected declarationIn module KV_RO:The value `size' is required but not providedFile "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.mldoes not match the interface src/.fat_filesystem.objs/byte/fat.cmi:... ...The value `get_partial' is required but not providedFile "src/mirage_kv.mli", line 140, characters 2-98:Expected declarationIn module KV_RO:The value `size' is required but not providedFile "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 12026-04-04 07:17.16: Job failed: Failed: Build failed