this derivation will be built:
  /nix/store/9fvj3hr0fn2yzk6parg36bj2lz9p1d09-treefmt-check.drv
building '/nix/store/9fvj3hr0fn2yzk6parg36bj2lz9p1d09-treefmt-check.drv'
treefmt-check> treefmt v2.5.0traversed 1939 files
treefmt-check> emitted 473 files for processing
treefmt-check> formatted 473 files (0 changed) in 3.737s

upload niks3: ok