these 5 derivations will be built:
  /nix/store/g9p8cv6c7glr2qz2wm83iwlahawwq7w9-source.drv
  /nix/store/v09sh222a3xwjy9al6xkzf2w3qs5hfz2-source.drv
  /nix/store/14d3bk1fc86hq95f4cb6g75vr9lahqs2-beads-rust-0.5.1-vendor-staging.drv
  /nix/store/g2vgq70ha4xd6k3knv8m3qdi4s6dcpxh-beads-rust-0.5.1-vendor.drv
  /nix/store/f6ban2k3zix97qpp5n05xy16xlhcl8rv-beads-rust-0.5.1.drv