these 2 derivations will be built:
  /nix/store/ps1sv9ssdnykpk0a9qd0jrra1piydlqs-eca-native-macos-aarch64.zip.drv
  /nix/store/2l99gdfmslv6i9cvyjxl68ddqjwgkw0s-eca-0.155.2.drv