these 6 derivations will be built:
  /nix/store/n4zc5ikx0crgpplsvmjajv9wf87fzamw-source.drv
  /nix/store/xwvni9vqw17c37fap3zak6kq52parxk7-source.drv
  /nix/store/dfnrgri3pdn80x9pq7aaqlhcsxbv795y-beads-rust-0.7.6-vendor-staging.drv
  /nix/store/7hjpr1rkyd29d3vh688y57i0b4h6i5mz-beads-rust-0.7.6-vendor.drv
  /nix/store/1wpxjhy6d42wyw1qfpyzrqpgay5xfnf9-beads-rust-0.7.6.drv
  /nix/store/ddsw2i6js6hbkhc0lvk2xasw5xx746ph-check-beads-rust.drv