these 2 derivations will be built:
  /nix/store/pnfjx2jrva1238r6qzk6kgdhrcz76a1c-eca-native-linux-aarch64.zip.drv
  /nix/store/j00jv4a846ay65dwn873nyy5a80l9bhz-eca-0.157.3.drv