these 3 derivations will be built:
  /nix/store/lc36blk98d8r0v1rlsxvny4kq24zw8sg-treefmt.toml.drv
  /nix/store/npf9gqc6qw3yzvbkbqk7crih12rzd451-treefmt.drv
  /nix/store/4i4k8ssda8i8mlh813qcbciivx07kjm8-treefmt-check.drv
building '/nix/store/lc36blk98d8r0v1rlsxvny4kq24zw8sg-treefmt.toml.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/lc36blk98d8r0v1rlsxvny4kq24zw8sg-treefmt.toml.drv'
treefmt.toml> structuredAttrs is enabled
building '/nix/store/npf9gqc6qw3yzvbkbqk7crih12rzd451-treefmt.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/npf9gqc6qw3yzvbkbqk7crih12rzd451-treefmt.drv'
building '/nix/store/4i4k8ssda8i8mlh813qcbciivx07kjm8-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/4i4k8ssda8i8mlh813qcbciivx07kjm8-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 135ms

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