these 2 derivations will be built:
  /nix/store/gs2x8y1j2pzm5m2pr138zj4rj65pm0qr-eca-native-linux-aarch64.zip.drv
  /nix/store/6aqx1r48c8s05jjk799igajam7yxfq7p-eca-0.157.1.drv