this derivation will be built:
  /nix/store/grhikydnp5hmwgl2x26bvkl41c5yfmrz-treefmt-check.drv
waiting for the big Nix store lock...
waiting for exclusive access to the Nix store...
building '/nix/store/grhikydnp5hmwgl2x26bvkl41c5yfmrz-treefmt-check.drv' on 'ssh-ng://customer@mac02'
building '/nix/store/grhikydnp5hmwgl2x26bvkl41c5yfmrz-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 36 files
treefmt-check> emitted 29 files for processing
treefmt-check> formatted 29 files (0 changed) in 52ms

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