this derivation will be built:
  /nix/store/lsn5bb3wkc843swmg0629315hwmk3d9x-vm-test-run-wal2json.drv
this path will be fetched (3.9 KiB download, 16.5 KiB unpacked):
  /nix/store/jsjlj524vvzvz3mabmclki7yv2q8l94q-nixos-test-driver-wal2json