this derivation will be built:
  /nix/store/61z20xih3al6jwhw2g35qdcacbfvymdp-cargo-fmt-check.drv
building '/nix/store/61z20xih3al6jwhw2g35qdcacbfvymdp-cargo-fmt-check.drv'
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy

upload niks3: ok