these 9 derivations will be built:
  /nix/store/andh8rf2jpsdn0aqd2z8znr9cqng5cvs-unit-postgresql-setup.service.drv
  /nix/store/v7a3k4ia70qhnbg5j0bkhk53f381yw5i-system-units.drv
  /nix/store/fh4hg3ncv5y4jpalbdpqla8cr7kdnjia-etc.drv
  /nix/store/9jvcj9cir1qyv68szmdvgcapmi2nclpn-nixos-system-server-test.drv
  /nix/store/sxqs4xh5kljk6dg573xbyqq5hms1q4r7-nixos-system-server-test.drv
  /nix/store/mx47j6zl7d0590a8rzzq8f43awalj1wn-test-script.drv
  /nix/store/9gcixhn26pdpgjr7g5pf3b0i1250kms8-driverConfiguration.json.drv
  /nix/store/a5lf8pixdl2j8xjydlc19c1lr1mnbq9n-nixos-test-driver-pg_partman.drv
  /nix/store/m8aivvw322c5jvhx5nbi5aqbi95094ps-vm-test-run-pg_partman.drv
these 9 paths will be fetched (179.6 KiB download, 1.1 MiB unpacked):
  /nix/store/sv4lm3jcx3f8rqs291b5f51nnpmy5shn-activate
  /nix/store/4rv5cdy46rb2yni33cynlz0caknic8jg-closure-info
  /nix/store/h6dl8n62yaba0r2qib965m279laxq710-etc
  /nix/store/4hap5c6kbblbamq94404gyslvlqlc297-nixos-system-server-test
  /nix/store/v25k8wjgdnx99kmzarn6mgh4wd8qgmp4-nixos-system-server-test
  /nix/store/qrk1d7x2fvah9kr8wjqvaxcq1r3vh010-nixos-vm
  /nix/store/5qr411mfw2dmcq2d14yna269yi9xj0x7-run-nixos-vm
  /nix/store/zvpzdvibiln2szj8hj3j8k6rkvr9rwp5-system-units
  /nix/store/xmm2axxb1adlz18cx2jpz0ismlclgd28-unit-postgresql-setup.service