these 2 derivations will be built:
  /nix/store/x0x3fvfjfy22zgil9qk7x0xdbra2sn6a-cargo-vendor-dir.drv
  /nix/store/g3ka8avbhdqgzy2lg0w8b2qjgh7izp9x-citiesapp-frontend.drv
building '/nix/store/x0x3fvfjfy22zgil9qk7x0xdbra2sn6a-cargo-vendor-dir.drv'
cargo-vendor-dir> structuredAttrs is enabled