this derivation will be built:
  /nix/store/9aw81r2i02pjqv49r3y1p0l6j360g1jn-treefmt-check.drv
building '/nix/store/9aw81r2i02pjqv49r3y1p0l6j360g1jn-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2070 files
treefmt-check> emitted 554 files for processing
treefmt-check> formatted 554 files (0 changed) in 3.994s

upload niks3: ok