these 2 derivations will be built:
  /nix/store/n8081v3nac64mxf3nlcv8x538f4590l7-eca-native-macos-aarch64.zip.drv
  /nix/store/viwiaplfivylzgy36w8c8qlv0dbxq1ib-eca-0.156.0.drv