these 7 derivations will be built:
  /nix/store/0xvaix4zmvc4dm7w86awyskf8rhwm76c-cargo-package-regex-1.13.1.drv
  /nix/store/pybgy5g0g5gn1mmdxalpx013zcy5ks9k-cargo-package-regex-automata-0.4.18.drv
  /nix/store/ypdd0r2pmzl8s2s830yzpc8nys9akb15-vendor-registry.drv
  /nix/store/fd0ny5461lrra8vnkgnk2hah5q9fyn0g-vendor-cargo-deps.drv
  /nix/store/gxrgz2k8z8wlwffl0aadlpxvx6rzf4g3-source.drv
  /nix/store/98597qgynpzg3fkvm6cfp9i6jp3kq1g5-tincd-deps-0.1.0.drv
  /nix/store/6kx4dm1df0bw6msx2cxixgh9g4dh7nwy-tincd-0.1.0.drv