this derivation will be built:
  /nix/store/1d61wdsr75cjzb2v2vl71pdg45x5advh-treefmt-check.drv
building '/nix/store/1d61wdsr75cjzb2v2vl71pdg45x5advh-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2271 files
treefmt-check> emitted 591 files for processing
treefmt-check> formatted 591 files (0 changed) in 3.722s

upload niks3: ok