this derivation will be built:
  /nix/store/cn47hbls5qk3s8q8v5maygcn4ll4jp67-treefmt-check.drv
building '/nix/store/cn47hbls5qk3s8q8v5maygcn4ll4jp67-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 3.956s

upload niks3: ok