this derivation will be built:
  /nix/store/384srdilhl7hs145g3r2vjrmzkvx3wl8-vm-test-run-pg_partman.drv
this path will be fetched (3.9 KiB download, 16.5 KiB unpacked):
  /nix/store/xlwh01ha9ankpa5xkspxpaddczjg5xs1-nixos-test-driver-pg_partman