these 2 derivations will be built:
  /nix/store/l852z5qw0fd842w6my3h1w13i0jlpfyk-herdr-eternal-deps-0.1.0.drv
  /nix/store/951373p7mmb0lgcf4f8ys6sfj03h1s2k-herdr-eternal-test-0.1.0.drv