these 8 derivations will be built:
  /nix/store/v04lyi9y11y9183xmjblvapif50353jy-stage-2-init.sh.drv
  /nix/store/6m4fdkw6i68y9mar5kcp7hnxjbk63cb9-nixos-system-server-test.drv
  /nix/store/ivrw2j7scy8rq6zb7cx5jibhj9dya4z1-nixos-system-client-test.drv
  /nix/store/f3ybj178l6r5v4r785480i16ri4aadqg-closure-info.drv
  /nix/store/jxd14bklwfljl5a6jbwkl4hzv6f3yl8s-closure-info.drv
  /nix/store/nidbbl5djllbid4qxkc9i7lf7ach4iam-test-driver-0.0.1.drv
  /nix/store/y8l5a4qnpvpqp9rx0730pj5p8rl1wh1z-nixos-test-driver-dm-dns.drv
  /nix/store/vw9h36x77hjllv76jg92wchfmvhvyv5w-container-test-run-dm-dns.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
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
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