these 7 derivations will be built:
  /nix/store/68hihn6nm9kghn9y6pgpbbgq7zyfrd92-etc-machine-id.drv
  /nix/store/4siy6s0q8dwy5i66vsnaqcxn651x1q5r-etc.drv
  /nix/store/d7h50gjv8n8f8i5zwsql41jvw75nqqlq-activate.drv
  /nix/store/z3lbh7pfiqcx3yh1whliznirpw9d8khm-nixos-system-server-test.drv
  /nix/store/g08iwxwg1ngjcnccpgzdb1fimmg19h9l-closure-info.drv
  /nix/store/jfmm494hgvfy1sfp72wwmsf0kgs40a5l-nixos-test-driver-service-machine-id.drv
  /nix/store/c0rfnr6dli96q9w4f6fj0vb9lhr6xr3p-container-test-run-service-machine-id.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy