these 4 derivations will be built:
  /nix/store/vngy1c40jifnch82vfh7smskglzsxlxv-nixos-system-server-test.drv
  /nix/store/cwkv522vwj6px5hxygz79fls3z5bvbpa-closure-info.drv
  /nix/store/rfnaycwd3a390h0hkg1yxabxcz7lwgdi-nixos-test-driver-packages.drv
  /nix/store/b586n0l60y1p34gd2vlmrpzk7blbmwqq-container-test-run-packages.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