these 7 derivations will be built:
  /nix/store/i63dc381wc9ivgp7cva74hhq7csnxxcz-unit-postgresql-setup.service.drv
  /nix/store/dwjlnnjw0pqdfzy7nn7x65ynr8z2z8jz-system-units.drv
  /nix/store/f1wh1rsi1vfm93wj0g3jpix6gs1ms4hs-etc.drv
  /nix/store/5ir7lsa6gssmv1iz5vy6z8lamrydcl2d-nixos-system-server-test.drv
  /nix/store/z7nkpssc5kk8ksypyczcqdfmrh0djkpq-nixos-system-server-test.drv
  /nix/store/jrbqvacign19lm54xhbv692rih485g9x-nixos-test-driver-pg_hashids.drv
  /nix/store/qyd8qr1nyvgcfnxzylj6a2a3ckqgn3d3-vm-test-run-pg_hashids.drv
these 9 paths will be fetched (79.4 KiB download, 499.5 KiB unpacked):
  /nix/store/cbrnpsvnj573wygymrnlgvkyk0x4fdph-activate
  /nix/store/9jm2mfqh30hq2jb1fxlpp8sxp2rs4cx3-closure-info
  /nix/store/800jc74mpphz7isk082wb9ds4isw69lb-etc
  /nix/store/dig8xmz18yw2hca586vac1ppiaxabrag-nixos-system-server-test
  /nix/store/krw6bn524kz3yia7clikaxka0y9nbzhx-nixos-system-server-test
  /nix/store/bx0vyhhcij5gkiyfkjvxjl5ifs62hdq2-nixos-vm
  /nix/store/yn2lndpqzihnjb4w5bqv7hdmdcgk8qm1-run-nixos-vm
  /nix/store/jrfgkpga6wf7rxmgzizc27j0xaiqv2i2-system-units
  /nix/store/b54l19f3bbp8446rzbqr8ryir4gy1c90-unit-postgresql-setup.service