this derivation will be built:
  /nix/store/73qrn4z3pafbzz1h4jb50ki1jnjx7gmm-treefmt-check.drv
building '/nix/store/73qrn4z3pafbzz1h4jb50ki1jnjx7gmm-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2021 files
treefmt-check> emitted 548 files for processing
treefmt-check> formatted 548 files (0 changed) in 3.39s

upload niks3: ok