this derivation will be built:
  /nix/store/5h9qc65rnx59wr2zm7v9qbqmpii5kywh-check-formatter.drv
building '/nix/store/5h9qc65rnx59wr2zm7v9qbqmpii5kywh-check-formatter.drv'
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok