these 5 derivations will be built:
  /nix/store/gcpdgzxbxrdnxkm2hmgb4yyv0dia9d2g-cargo-package-ed25519-dalek-3.0.0-pre.7.drv
  /nix/store/6kzwqzzkfa5sai69ckwij32jiass2kkl-vendor-registry.drv
  /nix/store/swnrmg0mcslivhr2ywf8vy7zfm1acklg-vendor-cargo-deps.drv
  /nix/store/fipjl5y0dd3rpahrkarrggji7ym4mjjl-tincd-deps-0.1.0.drv
  /nix/store/92pw26pfqm0lvil61inrd7ysiziif4hp-tincd-test-0.1.0.drv