these 5 derivations will be built:
  /nix/store/8i1cxbd14lsr7yhyr9b780m8sysfprr4-nixos-system-server-test.drv
  /nix/store/snrrm8vrksmixr47achm5m6q7vwp3ff5-run-nixos-vm.drv
  /nix/store/zs9jyn24ji5acc8hrs2x7pmv3n56pkdz-nixos-vm.drv
  /nix/store/al41n1nqmfb2kqaqmsnqljy0w647ymik-nixos-test-driver-amcheck-upgrade.drv
  /nix/store/plyj77fky7q9lx8yw0plw6giq45ldzrb-vm-test-run-amcheck-upgrade.drv
this path will be fetched (71.5 KiB download, 389.7 KiB unpacked):
  /nix/store/mria8wi7b6ajrdqdwcpi7haii2vmjlxb-closure-info
don't know how to build these paths:
  /nix/store/wi4ih86lcvxpr00dkv6q0c4n64ak45q9-nixos-system-server-test