these 3 derivations will be built:
  /nix/store/74c52x68wp5zidlial8238wb145m6lhm-eca-native-macos-aarch64.zip.drv
  /nix/store/9v9cdzrb4p771qsmn87jsb51zxmndd2l-eca-0.170.5.drv
  /nix/store/pg9pgfw35jr7ql4sqzi6mwpzprcmvk5z-check-eca.drv