these 3 derivations will be built:
  /nix/store/a24yz1272ipq6fzc22spcp1ardcslj4y-closure-info.drv
  /nix/store/p70lxixa7gl225dcs1xp18nkaz2yiyd7-nixos-test-driver-sshd.drv
  /nix/store/xyivzzsq4l2am6cf8462z8pp5h483cs0-container-test-run-sshd.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy