these 3 derivations will be built:
  /nix/store/47nqf4jz6pmjrn4kfzjk8l9i98yxwncg-beads-rust-0.7.6-vendor.drv
  /nix/store/ry0gm10cj39j32iph1xcydl3zgd8c1na-beads-rust-0.7.6.drv
  /nix/store/042hxycr2lbi9l118s7ygb6752srg7v5-check-beads-rust.drv