this derivation will be built:
  /nix/store/3jmjlwqj25bkpnww8pfng276b0mh9yx7-treefmt-check.drv
building '/nix/store/3jmjlwqj25bkpnww8pfng276b0mh9yx7-treefmt-check.drv'
building '/nix/store/3jmjlwqj25bkpnww8pfng276b0mh9yx7-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 316 files
treefmt-check> emitted 248 files for processing
treefmt-check> formatted 248 files (0 changed) in 355ms

post-build step Upload coverage to codecov: ok
Skipping codecov: project=nix-community/harmonia attr=x86_64-linux.treefmt