this derivation will be built:
  /nix/store/i3p1fs1zyw9ccxfndkdi0cwp1r45cqzc-treefmt-check.drv
building '/nix/store/i3p1fs1zyw9ccxfndkdi0cwp1r45cqzc-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 14.88s

upload niks3: ok