this derivation will be built:
  /nix/store/l8a3qr56javb45ag9kca3igs6a78lnm9-treefmt-check.drv
building '/nix/store/l8a3qr56javb45ag9kca3igs6a78lnm9-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 2.657s

upload niks3: ok