this derivation will be built:
  /nix/store/q3fc3n2z1bb1f8r203c9qlj8qlal7v8b-treefmt-check.drv
building '/nix/store/q3fc3n2z1bb1f8r203c9qlj8qlal7v8b-treefmt-check.drv'
treefmt-check> traversed 555 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 2.588s

upload niks3: ok