these 2 derivations will be built:
  /nix/store/wv0iysnq1kx4dwaf8w21i35xiv6zwyd9-eca-native-macos-aarch64.zip.drv
  /nix/store/6bflv528gx11m37pd4k6bf5qlg6l4ag1-eca-0.157.0.drv