these 5 derivations will be built:
  /nix/store/haq8bq5w1xqmlf8pf3lq10b5yg4ff4kc-source.drv
  /nix/store/j882pnsnrkar36dczcvw8vsrqhwpr08h-source.drv
  /nix/store/s364jlxxrirwqwn883gaqdh8q7il9xr7-beads-rust-0.5.3-vendor-staging.drv
  /nix/store/x8cvqcbf7ji8b3jpr0zix6xpf60j5f19-beads-rust-0.5.3-vendor.drv
  /nix/store/xfk3257n47225kjyk2qc482smrwzfxqv-beads-rust-0.5.3.drv