these 3 derivations will be built:
  /nix/store/jqzyds2l3wq51sbp0bfrh3858l4aib99-treefmt.toml.drv
  /nix/store/j71zhc0gaq3ggcg4hamvyliwif4hifa7-treefmt.drv
  /nix/store/bhwjvghxhpxbp31h2hqr908z2a0qrwiw-treefmt-check.drv
building '/nix/store/jqzyds2l3wq51sbp0bfrh3858l4aib99-treefmt.toml.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/jqzyds2l3wq51sbp0bfrh3858l4aib99-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/j71zhc0gaq3ggcg4hamvyliwif4hifa7-treefmt.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/j71zhc0gaq3ggcg4hamvyliwif4hifa7-treefmt.drv'
building '/nix/store/bhwjvghxhpxbp31h2hqr908z2a0qrwiw-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/bhwjvghxhpxbp31h2hqr908z2a0qrwiw-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 49 files
treefmt-check> emitted 28 files for processing
treefmt-check> formatted 28 files (0 changed) in 65ms

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