these 3 derivations will be built:
  /nix/store/5b9k08ylbd3hdndz1r0nmc79iw0svd2v-treefmt.toml.drv
  /nix/store/pn8agf4wx4ibqvc5ksdhaix0pap9qiij-treefmt.drv
  /nix/store/3yaninnkb5s5ahk59yfccc3b6rcqhgj3-treefmt-check.drv
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/3yaninnkb5s5ahk59yfccc3b6rcqhgj3-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/3yaninnkb5s5ahk59yfccc3b6rcqhgj3-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 106ms

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