these 10 derivations will be built:
  /nix/store/v04lyi9y11y9183xmjblvapif50353jy-stage-2-init.sh.drv
  /nix/store/85ykgmzraj09mx2cim8gz94qagnam6n9-nixos-system-bob-test.drv
  /nix/store/4bwxlk2xvn3jm10m3gbpb7j2bv9y75p9-closure-info.drv
  /nix/store/fkdb8k6vpyj1y9qmzrmy4hsqch08rz8y-nixos-system-clare-test.drv
  /nix/store/d69kl0y3lpx2x8ayyidqnvwiv0rr5cca-closure-info.drv
  /nix/store/f7v6pdgl2dhxmcpxd89zvzrb8x1lmwis-nixos-system-alice-test.drv
  /nix/store/nidbbl5djllbid4qxkc9i7lf7ach4iam-test-driver-0.0.1.drv
  /nix/store/nk0x7jykscj9y53r4xyqnp5kk9ami8ir-closure-info.drv
  /nix/store/q3lbqq8ph4k5v8xx9rhl1n492l81rxq3-nixos-test-driver-ncps.drv
  /nix/store/bwcavwyhi1ka8g19i0d8lbpd5wjbccaj-container-test-run-ncps.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
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy