these 3 derivations will be built:
  /nix/store/bd8as455xm6c1k67lwnlivcjxbdnx3k8-herdr-core-0.1.19-vendor.drv
  /nix/store/zkas68830sj85y7zhl7zdzq913yy1k4c-herdr-core-0.1.19.drv
  /nix/store/l7ppxwxd11y2w7m8s37v5wa5nq99w2f3-check-herdr-core.drv
this path will be fetched (83.7 MiB download, 380.5 MiB unpacked):
  /nix/store/dv6dgs2mgv37jhfqidf5kbnldjma3ss8-zig-0.16.0