these 2 derivations will be built:
  /nix/store/vlij1v52rba8swm21blswfwma5x1b9a5-treefmt.drv
  /nix/store/h9z9f2hzqwf4nypvx1iqq6h15fbap6m0-treefmt-check.drv
building '/nix/store/vlij1v52rba8swm21blswfwma5x1b9a5-treefmt.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/vlij1v52rba8swm21blswfwma5x1b9a5-treefmt.drv'
building '/nix/store/h9z9f2hzqwf4nypvx1iqq6h15fbap6m0-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/h9z9f2hzqwf4nypvx1iqq6h15fbap6m0-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 55 files
treefmt-check> emitted 32 files for processing
treefmt-check> formatted 32 files (0 changed) in 105ms

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