these 5 derivations will be built:
  /nix/store/jas84z98nmzy5w15p8gpxrfl24w74nkf-vendor-registry.drv
  /nix/store/nknzigg21lmwksclq51y1vp7m80mc247-vendor-cargo-deps.drv
  /nix/store/pk8s4429wh8cnpw77kj3igrhxinhzqdz-source.drv
  /nix/store/h1s0fmq501h1js0qsxyqdy3sgjs2g67j-herdr-eternal-deps-0.1.0.drv
  /nix/store/0qnl6d50xxxgkpjc9z3ppvsxshbbs5xx-herdr-eternal-0.1.0.drv