these 3 derivations will be built:
  /nix/store/6vdbb6b8wbiqb897kq0i3scwnjszf1qz-beads-rust-0.7.6-vendor.drv
  /nix/store/aryiibs7snhkgvn4shq3q9xdag3sk59d-beads-rust-0.7.6.drv
  /nix/store/6bzd0sz2q2vbabvmvb7v3lsvr2j0yj55-check-beads-rust.drv