these 11 derivations will be built:
  /nix/store/087qa6y7bl6gb1mx9qs9k8x1cz44csxn-source.drv
  /nix/store/r1yala21c7acjpfk2whqzcjkwbnafllq-cargo-src-time-macros-0.2.31.drv
  /nix/store/bj3c9ykbcgah9rk3pv9lr9mwclvf46v7-cargo-package-time-macros-0.2.31.drv
  /nix/store/sb994whx37k71a2b1i47nh7zcf8x9miv-cargo-src-rand-0.10.2.drv
  /nix/store/vdxrp3pwkhr3qblqg3iih5h4phphs0cm-cargo-package-rand-0.10.2.drv
  /nix/store/yph43fpdkrmgg6dha3b8m2hiw9m5k0qm-cargo-src-time-0.3.53.drv
  /nix/store/yfap7aawmwsb0s43lbjx5f6dhz0jp7q7-cargo-package-time-0.3.53.drv
  /nix/store/yaqan34spg0h22pqc3abjp4b0w8s3fqd-vendor-registry.drv
  /nix/store/myck4241av6pl1asmyfbd62wbr286fn5-vendor-cargo-deps.drv
  /nix/store/z7zgri5yv7vvf351n9wdzdcgdk5nq76v-tribuchet-deps-0.1.0.drv
  /nix/store/30msk9wd04rrmkgq4z7rcinjq1shsc5b-tribuchet-0.1.0.drv