this derivation will be built:
  /nix/store/ks9lyj0fydp1figrksvpnl9dsdwd83hq-treefmt-check.drv
building '/nix/store/ks9lyj0fydp1figrksvpnl9dsdwd83hq-treefmt-check.drv'
treefmt-check> treefmt v2.6.0traversed 266 files
treefmt-check> emitted 144 files for processing
treefmt-check> formatted 144 files (1 changed) in 496ms

upload niks3: ok