this derivation will be built:
  /nix/store/y76mfxg9dn4z6d1rpl57h8zrj5iaw2ab-treefmt-check.drv
building '/nix/store/y76mfxg9dn4z6d1rpl57h8zrj5iaw2ab-treefmt-check.drv'
treefmt-check> traversed 525 files
treefmt-check> emitted 358 files for processing
treefmt-check> formatted 358 files (0 changed) in 4.215s

upload niks3: ok