these 6 derivations will be built:
  /nix/store/3d30wpxxf2l6227g4lm7136b5gzpycmv-source.drv
  /nix/store/cjf4jnk60984m8n8ci6h5cmnbvl3q7nq-source.drv
  /nix/store/n2drq6cv8gqmf3323i7fic9lag95nx75-beads-rust-0.7.4-vendor-staging.drv
  /nix/store/fkm59qmklp22wcjwp37s23l669raslqa-beads-rust-0.7.4-vendor.drv
  /nix/store/as36wx8vh86jxmjlg3vp8gdl65mjrzim-beads-rust-0.7.4.drv
  /nix/store/614y7rzvr30458xsq0wbx89065dc4csn-check-beads-rust.drv