these 2 derivations will be built:
  /nix/store/8p7vf78dbcs3i9kivhamrad5r61jzyjg-herdr-0.9.5.drv
  /nix/store/a26j6vydkpkfdfd40qg2ia3f5pshqn9m-check-herdr.drv
this path will be fetched (36.3 MiB download, 359.7 MiB unpacked):
  /nix/store/765j0q2d14p9v3j6gbfspicz271bq5ql-herdr-0.9.5-vendor