this derivation will be built:
  /nix/store/hhv1xslbh5zxxykv8wxi0lpvpicr3sm6-vm-test-run-http.drv
these 16 paths will be fetched (135.0 KiB download, 927.1 KiB unpacked):
  /nix/store/11aqqxbq7lh2iarnqrwk6k033l4p7qm6-closure-info
  /nix/store/32yrp6cbq1ms69gm8kfqycjrjvriwwpa-etc
  /nix/store/nhlqp8brx5796csjh6vkvd8qfc292787-etc
  /nix/store/ybidyqjn0hgzb4qkzbrppqdxhqw6d7md-etc
  /nix/store/1r2wng7krn6dnik8kqyr0c8phg66pg50-nixos-system-server-test
  /nix/store/7dn8vqg0kihlxgzyg5gkg8hmg9s8i5av-nixos-system-server-test
  /nix/store/v2m1a0y8qbkq5plfr62q83x5z3f7n4s4-nixos-system-server-test
  /nix/store/h05a9y7q98na6kaj6b85jw6h006mf34d-nixos-test-driver-http
  /nix/store/fwhslck9zgj9ss88q1rbhjs25f2m7n37-nixos-vm
  /nix/store/r0yncjdcmp81b6w9isb9w9x4k000igyp-run-nixos-vm
  /nix/store/0p7pskrjyfcpiyn698r3spswrhbanfnf-system-units
  /nix/store/np6imk2fvklwizmsymdmirg3hyr5ml0d-system-units
  /nix/store/wsjk3z3b24zxpsjpxbkalkxkccqy8iyr-system-units
  /nix/store/hl6l7vi9i0igfj8n1bhblpm0xn6z9qxb-unit-postgresql.service
  /nix/store/lwj33la02ay2lpwsj2qnn5sb24p9isy6-unit-postgresql.service
  /nix/store/nr64hg272fyyfa4zwb7nfdqn2ljy0q3w-unit-postgresql.service