this derivation will be built:
  /nix/store/40vh7848dd5idkc0gyabsji3l903dwxd-treefmt-check.drv
building '/nix/store/40vh7848dd5idkc0gyabsji3l903dwxd-treefmt-check.drv'
treefmt-check> traversed 526 files
treefmt-check> emitted 359 files for processing
treefmt-check> formatted 359 files (0 changed) in 3.251s

upload niks3: ok