this derivation will be built:
  /nix/store/g1s9asx60ah1bn9sgp6mhp3bh742vraa-treefmt-check.drv
building '/nix/store/g1s9asx60ah1bn9sgp6mhp3bh742vraa-treefmt-check.drv'
treefmt-check> traversed 539 files
treefmt-check> emitted 367 files for processing
treefmt-check> formatted 367 files (0 changed) in 3.24s

upload niks3: ok