these 2 derivations will be built:
  /nix/store/xq9zfh0df4pndrswbk902mxifz9kwx4b-flake-inputs.drv
  /nix/store/adwbz24ni350jzyyxa7wgqnz60yd2dr1-check-flake-inputs.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy