these 6 derivations will be built:
  /nix/store/mbf3vcdpj2wqayq9vf4v6bwmdpqhfpsn-source.drv
  /nix/store/naih0pijiq3zziilyrpi6y44mlhi2jf3-herdr-0.9.5-vendor-staging.drv
  /nix/store/q1p13k33krg52lmg9b1674kxj2wzbhxd-herdr-0.9.5-vendor.drv
  /nix/store/yk6kbp6mv5b92wjasm3kc6rzw0vb3p56-herdr-0.9.5-zig-deps.drv
  /nix/store/nl8fn58d9bd885x2w8gnq86k6jhij2r6-herdr-0.9.5.drv
  /nix/store/qxgja58kriic133dsqsqm805wrs86mrq-check-herdr.drv