this derivation will be built:
  /nix/store/8b1phf1wwp6bdx1sg3r67xsy3py7xxqv-treefmt-check.drv
building '/nix/store/8b1phf1wwp6bdx1sg3r67xsy3py7xxqv-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2202 files
treefmt-check> emitted 586 files for processing
treefmt-check> formatted 586 files (0 changed) in 3.813s

upload niks3: ok