this derivation will be built:
  /nix/store/fw6yks7jyx4xsg1y5i42q9s2g47b6g7a-treefmt-check.drv
building '/nix/store/fw6yks7jyx4xsg1y5i42q9s2g47b6g7a-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2289 files
treefmt-check> emitted 591 files for processing
treefmt-check> formatted 591 files (0 changed) in 4.164s

upload niks3: ok