this derivation will be built:
  /nix/store/h4gysfa6x8w4mqfb7wk0rdhkj8mdy3dn-treefmt-check.drv
building '/nix/store/h4gysfa6x8w4mqfb7wk0rdhkj8mdy3dn-treefmt-check.drv'
treefmt-check> traversed 533 files
treefmt-check> emitted 362 files for processing
treefmt-check> formatted 362 files (0 changed) in 3.638s

upload niks3: ok