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@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440cocamlformat 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 315ca449cat > Dockerfile <<'END-OF-DOCKERFILE'FROM ocaml/opam:debian-13-ocaml-4.11@sha256:6c34153b2b07fc0f884e792a60178e250c2d06a45050e01ed0883a67ec11440cUSER 1000:1000RUN 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 -uRUN opam depext -i duneWORKDIR /srcRUN opam depext -i ocamlformat=0.18.0COPY --chown=1000:1000 . /src/RUN opam exec -- dune build @fmt --ignore-promoted-rules || (echo "dune build @fmt failed"; exit 2)END-OF-DOCKERFILEdocker build .END-REPRO-BLOCK2026-05-13 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 OCluster2026-05-13 10:46.32: Waiting for worker…2026-05-13 10:48.20: Got resource from pool OClusterBuilding on asteria.caelum.ci.devAll commits already cachedHEAD 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-repositoryEverything 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.3However, 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 environment2026-05-13 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.3.22.2Done.# Run eval $(opam env) to update the current shell environment2026-05-13 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.0.18.0Done.# Run eval $(opam env) to update the current shell environment2026-05-13 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 succeeded2026-05-13 10:49.33: Job succeeded