these 2 derivations will be built:
  /nix/store/1zwvbsxylnc6w09yxjw224x3gzh319lb-herdr-0.9.5.drv
  /nix/store/ci0mc20brj7fwgrr9w9674d0i3krv5y7-check-herdr.drv
this path will be fetched (36.3 MiB download, 359.7 MiB unpacked):
  /nix/store/msz7nn0s7wafb7iibksv8213w4vir81r-herdr-0.9.5-vendor