2026-05-13 10:19.05: New job: test mirage/irmin-watcher https://github.com/mirage/irmin-watcher.git#refs/heads/master (315ca449f80065ea20b9ca01408bd78a48edc1a1) (linux-x86_64:(lint-fmt)) Base: ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c ocamlformat version: version 0.18.0 (from opam) To reproduce locally: git clone --recursive "https://github.com/mirage/irmin-watcher.git" -b "master" && cd "irmin-watcher" && git reset --hard 315ca449 cat > Dockerfile <<'END-OF-DOCKERFILE' FROM ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c USER 1000:1000 RUN cd ~/opam-repository && (git cat-file -e acfe13dbd28228cc284d3fc1deb9a78b6a1451fa || git fetch origin master) && git reset -q --hard acfe13dbd28228cc284d3fc1deb9a78b6a1451fa && git log --no-decorate -n1 --oneline && opam update -u RUN opam depext -i dune WORKDIR /src RUN opam depext -i ocamlformat=0.18.0 COPY --chown=1000:1000 . /src/ RUN opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2) END-OF-DOCKERFILE docker build . END-REPRO-BLOCK 2026-05-13 10:19.05: Using cache hint "mirage/irmin-watcher-ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c-debian-13-4.11_opam-2.5-ocamlformat-acfe13dbd28228cc284d3fc1deb9a78b6a1451fa" 2026-05-13 10:19.05: Using OBuilder spec: ((from ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c) (user (uid 1000) (gid 1000)) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e acfe13dbd28228cc284d3fc1deb9a78b6a1451fa || git fetch origin master) && git reset -q --hard acfe13dbd28228cc284d3fc1deb9a78b6a1451fa && git log --no-decorate -n1 --oneline && opam update -u")) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam depext -i dune")) (workdir /src) (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam depext -i ocamlformat=0.18.0")) (copy (src .) (dst /src/)) (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)")) ) 2026-05-13 10:19.05: Waiting for resource in pool OCluster 2026-05-13 10:46.32: Waiting for worker… 2026-05-13 10:48.20: Got resource from pool OCluster Building on asteria.caelum.ci.dev All commits already cached HEAD is now at 315ca44 Prepare 0.5.1 release (from ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440c) 2026-05-13 10:48.20 ---> using "36abb6db1723167d15c41f53ef05d371444812dc64e2ea7fe109d222db988473" from cache /: (user (uid 1000) (gid 1000)) /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "cd ~/opam-repository && (git cat-file -e acfe13dbd28228cc284d3fc1deb9a78b6a1451fa || git fetch origin master) && git reset -q --hard acfe13dbd28228cc284d3fc1deb9a78b6a1451fa && git log --no-decorate -n1 --oneline && opam update -u")) acfe13dbd2 Merge pull request #29743 from nmatschke/opam-publish-base.v0.15.2 <><> Updating package repositories ><><><><><><><><><><><><><><><><><><><><><><> [default] synchronised from git+file:///home/opam/opam-repository Everything 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.3 However, 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 environment 2026-05-13 10:48.20 ---> using "73cbcc6a0f4f2fd56bc3737bacde59300984fc700af0e755299a53540455d299" from cache /: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam depext -i dune")) Since version 2.1, opam now handles external dependencies alongside OCaml ones, and the `depext` plugin interface is provided for backwards compatibility only. Consider using your usual `opam install` command to install both OCaml and system dependencies, or `opam install <pkg> --depext-only` if you want to only install external dependencies. # Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian # No extra OS packages requirements found. The following actions will be performed: - install dune 3.22.2 <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved dune.3.22.2 (cached) -> installed dune.3.22.2 Done. # Run eval $(opam env) to update the current shell environment 2026-05-13 10:48.20 ---> using "a96201678509f1aa684a2d66aad75bff53c5d124169f5bbc69921d98a07ae16d" from cache /: (workdir /src) /src: (run (cache (opam-archives (target /home/opam/.opam/download-cache))) (network host) (shell "opam depext -i ocamlformat=0.18.0")) Since version 2.1, opam now handles external dependencies alongside OCaml ones, and the `depext` plugin interface is provided for backwards compatibility only. Consider using your usual `opam install` command to install both OCaml and system dependencies, or `opam install <pkg> --depext-only` if you want to only install external dependencies. # Detecting depexts using vars: arch=x86_64, os=linux, os-distribution=debian, os-family=debian # No extra OS packages requirements found. The following actions will be performed: - install ocamlbuild 0.16.1 [required by fpath, uuseg] - downgrade dune 3.22.2 to 2.9.3 [required by ocamlformat] - install seq base [required by tyxml] - install cmdliner 1.3.0 [required by ocamlformat] - install ocamlfind 1.9.8 [required by fpath, uuseg] - install stdlib-shims 0.3.0 [required by ppxlib] - install sexplib0 v0.15.1 [required by base, ppxlib] - install result 1.5 [required by odoc] - install ppx_derivers 1.2.1 [required by ppxlib] - install ocaml-version 3.5.0 [required by ocamlformat] - install ocaml-migrate-parsetree 2.4.0 [required by ppxlib] - install ocaml-compiler-libs v0.12.4 [required by ppxlib] - install menhirSdk 20260209 [required by ocamlformat] - install menhirLib 20260209 [required by ocamlformat] - install menhirGLR 20260209 [required by menhir] - install menhirCST 20260209 [required by menhir] - install fix 20250919 [required by ocamlformat] - install dune-build-info 2.9.3 [required by ocamlformat] - install csexp 1.5.1 [required by dune-configurator] - install cppo 1.8.0 [required by odoc] - install re 1.11.0 [required by ocamlformat] - install topkg 1.1.1 [required by fpath, uuseg] - install ppxlib 0.22.2 [required by ocamlformat] - install menhir 20260209 [required by ocamlformat] - install dune-configurator 2.9.3 [required by base] - install uutf 1.0.4 [required by ocamlformat] - install astring 0.8.5 [required by fpath, odoc] - install base v0.15.2 [required by ocamlformat] - install uucp 15.0.0 [required by uuseg] - install tyxml 4.6.0 [required by odoc] - install fpath 0.7.3 [required by ocamlformat] - install stdio v0.15.0 [required by ocamlformat] - install uuseg 15.0.0 [required by ocamlformat] - install odoc 1.5.3 [required by ocamlformat] - install ocamlformat 0.18.0 ===== 34 to install | 1 to downgrade ===== <><> Processing actions <><><><><><><><><><><><><><><><><><><><><><><><><><><><> -> retrieved astring.0.8.5 (cached) -> retrieved base.v0.15.2 (cached) -> retrieved cmdliner.1.3.0 (cached) -> retrieved cppo.1.8.0 (cached) -> retrieved csexp.1.5.1 (cached) -> retrieved dune.2.9.3 (cached) -> retrieved dune-build-info.2.9.3 (cached) -> retrieved dune-configurator.2.9.3 (cached) -> retrieved fix.20250919 (cached) -> retrieved fpath.0.7.3 (cached) -> retrieved menhir.20260209 (cached) -> retrieved menhirCST.20260209 (cached) -> retrieved menhirGLR.20260209 (cached) -> retrieved menhirLib.20260209 (cached) -> retrieved menhirSdk.20260209 (cached) -> retrieved ocaml-compiler-libs.v0.12.4 (cached) -> retrieved ocaml-migrate-parsetree.2.4.0 (cached) -> retrieved ocaml-version.3.5.0 (cached) -> retrieved ocamlbuild.0.16.1 (cached) -> retrieved ocamlfind.1.9.8 (cached) -> retrieved ppx_derivers.1.2.1 (cached) -> retrieved odoc.1.5.3 (cached) -> retrieved ocamlformat.0.18.0 (https://opam.ocaml.org/cache) -> retrieved re.1.11.0 (cached) -> retrieved seq.base (cached) -> retrieved ppxlib.0.22.2 (https://opam.ocaml.org/cache) -> retrieved result.1.5 (cached) -> retrieved sexplib0.v0.15.1 (cached) -> installed cmdliner.1.3.0 -> installed seq.base -> retrieved stdio.v0.15.0 (cached) -> retrieved stdlib-shims.0.3.0 (cached) -> retrieved topkg.1.1.1 (cached) -> retrieved tyxml.4.6.0 (cached) -> retrieved uuseg.15.0.0 (cached) -> retrieved uutf.1.0.4 (cached) -> retrieved uucp.15.0.0 (cached) -> installed ocamlfind.1.9.8 -> installed ocamlbuild.0.16.1 -> removed dune.3.22.2 -> installed dune.2.9.3 -> installed topkg.1.1.1 -> installed csexp.1.5.1 -> installed menhirCST.20260209 -> installed dune-build-info.2.9.3 -> installed ppx_derivers.1.2.1 -> installed stdlib-shims.0.3.0 -> installed ocaml-version.3.5.0 -> installed result.1.5 -> installed cppo.1.8.0 -> installed fix.20250919 -> installed menhirGLR.20260209 -> installed menhirLib.20260209 -> installed menhirSdk.20260209 -> installed sexplib0.v0.15.1 -> installed re.1.11.0 -> installed uutf.1.0.4 -> installed ocaml-compiler-libs.v0.12.4 -> installed ocaml-migrate-parsetree.2.4.0 -> installed astring.0.8.5 -> installed dune-configurator.2.9.3 -> installed fpath.0.7.3 -> installed tyxml.4.6.0 -> installed base.v0.15.2 -> installed stdio.v0.15.0 -> installed odoc.1.5.3 -> installed menhir.20260209 -> installed ppxlib.0.22.2 -> installed uucp.15.0.0 -> installed uuseg.15.0.0 -> installed ocamlformat.0.18.0 Done. # Run eval $(opam env) to update the current shell environment 2026-05-13 10:49.32 ---> saved as "f8e8eb70f4e4b6b738571b0bae786bef50bda94bcffade86b039123eee21591a" /src: (copy (src .) (dst /src/)) 2026-05-13 10:49.32 ---> saved as "f8bcc58daa2eae672ed356bd0daff27417d4ab6c9b5957a119018af25c69b93f" /src: (run (shell "opam exec -- dune build @fmt --ignore-promoted-rules || (echo \"dune build @fmt failed\"; exit 2)")) 2026-05-13 10:49.33 ---> saved as "eee9bb13259b134217fad51eb7c3c2f7b54c1652097614d63f2e2c6122d19c04" Job succeeded 2026-05-13 10:49.33: Job succeeded