2026-03-26 14:47.47: 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-4.14Opam 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_arm64_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 46f289cd3749314bbebddeede62fc05f9858f680 || git fetch origin master) && git reset -q --hard 46f289cd3749314bbebddeede62fc05f9858f680 && 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.3.22.0 dune-configurator.3.22.0 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-BLOCK2026-03-26 14:47.47: Using cache hint "mirage/ocaml-fat-macos-homebrew-ocaml-4.14-macos-homebrew-4.14_arm64_opam-2.5-988c29220342a14f0df256bbaf975aac"2026-03-26 14:47.47: 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 46f289cd3749314bbebddeede62fc05f9858f680 || git fetch origin master) && git reset -q --hard 46f289cd3749314bbebddeede62fc05f9858f680 && 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.3.22.0 dune-configurator.3.22.0 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")))2026-03-26 14:47.47: Waiting for resource in pool OCluster2026-03-26 15:12.54: Waiting for worker…2026-03-26 17:36.41: Got resource from pool OClusterBuilding on m1-worker-04All commits already cachedHEAD is now at 75f0042 Merge pull request #95 from hannesm/add-maint(from macos-homebrew-ocaml-4.14)2026-03-26 17:36.41 ---> 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"))2026-03-26 17:36.41 ---> 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-repository2026-03-26 17:36.41 ---> using "a61e945ab7671a6fff400f946e3fe88df4d67a783ea1f56fa59dc21595ef1b19" from cache/: (run (shell "uname -rs && opam exec -- ocaml -version && opam --version"))Darwin 24.5.0The OCaml toplevel, version 4.14.22.5.02026-03-26 17:36.42 ---> 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 46f289cd3749314bbebddeede62fc05f9858f680 || git fetch origin master) && git reset -q --hard 46f289cd3749314bbebddeede62fc05f9858f680 && git log --no-decorate -n1 --oneline && opam update -u"))From https://github.com/ocaml/opam-repository* branch master -> FETCH_HEAD95f7875db7..46f289cd37 master -> origin/master46f289cd37 Merge pull request #29563 from NathanReb/release-ppxlib-0.38.0<><> 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)2026-03-26 17:36.42 ---> using "5c298a6bc799212a82bc1980c2a6146833c4e52c907d80e0de73faac53bdf212" from cache/: (copy (src fat-filesystem.opam) (dst ./src/./))2026-03-26 17:36.43 ---> saved as "5ab43ba818c4ae41f7d628273978000894858dfcb89661b161578ad03b12f845"/: (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)2026-03-26 17:37.10 ---> saved as "58d2b41236c37523dd1c0e26829bf7f5f5b5ba5a847ee0c0a64f84f4f54b8d11"/: (run (shell "echo '(lang dune 3.0)' > './src/./dune-project'"))2026-03-26 17:37.11 ---> saved as "5e6fb9736a22c514a2539475cbb49a0e1ccff8f10997b82d78d07d71019173c0"/: (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.3.22.0 dune-configurator.3.22.0 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"))+ /opt/homebrew/bin/brew "update"- ==> Updating Homebrew...- Already up-to-date.[ERROR] Package ppxlib has no version 0.38.0."/usr/bin/env" "bash" "-c" "opam update --depexts && opam install --cli=2.5 --depext-only -y fat-filesystem.dev $DEPS" failed with exit status 52026-03-26 17:37.36: Job failed: Failed: Build failed