this derivation will be built:
  /nix/store/pp2lk68prb7q61jx5l0p2hzc63j4i02z-treefmt-check.drv
building '/nix/store/pp2lk68prb7q61jx5l0p2hzc63j4i02z-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 3.469s

upload niks3: ok