this derivation will be built:
  /nix/store/lfc23si4fhr5qs9bdx37pd36pk268z2m-treefmt-check.drv
building '/nix/store/lfc23si4fhr5qs9bdx37pd36pk268z2m-treefmt-check.drv'
treefmt-check> treefmt v2.4.0traversed 257 files
treefmt-check> emitted 142 files for processing
treefmt-check> formatted 142 files (1 changed) in 337ms

upload niks3: ok