these 3 derivations will be built:
  /nix/store/xsmk131n4kdy5xjxckb6kwyf4azjjcfl-chrono-0.4.45.drv
  /nix/store/ibr12vz1yigngz2sn9av9lf14h04p0np-cargo-vendor-dir.drv
  /nix/store/ai69a13s1bc63xjb1yjsj81kabc9jc3n-citiesapp-frontend.drv