these 3 derivations will be built:
  /nix/store/5b9k08ylbd3hdndz1r0nmc79iw0svd2v-treefmt.toml.drv
  /nix/store/pn8agf4wx4ibqvc5ksdhaix0pap9qiij-treefmt.drv
  /nix/store/1g9chfsvv8w54w3iq0pz9jyn2f4pqbiy-treefmt-check.drv
this path will be fetched (968.2 KiB download, 2.3 MiB unpacked):
  /nix/store/0f0g5la9rwy8m33p9hymp67ad6krkk4f-nixfmt-rs-0.4.1
building '/nix/store/5b9k08ylbd3hdndz1r0nmc79iw0svd2v-treefmt.toml.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/5b9k08ylbd3hdndz1r0nmc79iw0svd2v-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/pn8agf4wx4ibqvc5ksdhaix0pap9qiij-treefmt.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/pn8agf4wx4ibqvc5ksdhaix0pap9qiij-treefmt.drv'
building '/nix/store/1g9chfsvv8w54w3iq0pz9jyn2f4pqbiy-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/1g9chfsvv8w54w3iq0pz9jyn2f4pqbiy-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 55 files
treefmt-check> emitted 32 files for processing
treefmt-check> formatted 32 files (0 changed) in 282ms

post-build step Upload coverage to codecov: ok
Skipping codecov: project=Mic92/fast-nix-gc attr=default.checks.aarch64-darwin.treefmt