this derivation will be built:
  /nix/store/dn2f2ac12z8nrm9zq91cv9ir12fw6fia-treefmt-check.drv
building '/nix/store/dn2f2ac12z8nrm9zq91cv9ir12fw6fia-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 14.095s

upload niks3: ok