these 3 derivations will be built:
  /nix/store/21yjgvd3kqx1k19wx1g3qxpc91l0f1ya-nixos-test-driver-1.1.drv
  /nix/store/d75rpliaidap6wqc20fcm1vx794ly9cp-nixos-test-driver-pki.drv
  /nix/store/aksx4smyrc7xfdw1hhpixp0irpyjndhz-vm-test-run-pki.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy