this derivation will be built:
  /nix/store/bpw9gjxdb5jg2l1lbvk1llsyl251b3gb-treefmt-check.drv
building '/nix/store/bpw9gjxdb5jg2l1lbvk1llsyl251b3gb-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 2192 files
treefmt-check> emitted 582 files for processing
treefmt-check> formatted 582 files (0 changed) in 3.383s

upload niks3: ok