this derivation will be built:
  /nix/store/mksmr1h9s9gw6sbm2hmbc8h2yxyydzy0-treefmt-check.drv
building '/nix/store/mksmr1h9s9gw6sbm2hmbc8h2yxyydzy0-treefmt-check.drv'
treefmt-check> traversed 554 files
treefmt-check> emitted 374 files for processing
treefmt-check> formatted 374 files (0 changed) in 28.794s
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok