these 10 derivations will be built:
  /nix/store/9gvnhy8nmsqszvcj104i8cc7mnnkakv7-system-units.drv
  /nix/store/h8p5dlx911vqdmdpc8ynajbkrqhpva48-etc.drv
  /nix/store/ybhc6189f0nd6d7phza0pzzhxpfq35nd-activate.drv
  /nix/store/z0b45ybggldjrpj4mfwnz6x08bz78f4r-nixos-system-server-test.drv
  /nix/store/xs0ax50xpny9mv80mz7kxjx9n1xrpv5h-closure-info.drv
  /nix/store/057sj1ykzdqwahy4nh149gdib1fwcbsq-run-nixos-vm.drv
  /nix/store/dbb4dpr0x7j2sz1aqkdwrg3lhzz9h0vf-nixos-vm.drv
  /nix/store/1ii8sdiz8v1lpgdmj4fi4b0rsbcj9sih-driverConfiguration.json.drv
  /nix/store/759r4w5jwin5z64ixs6az8infbjg480l-nixos-test-driver-horae-e2e.drv
  /nix/store/yp30r0lw1fawwql63jnvhas1fy7cydn5-vm-test-run-horae-e2e.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy