these 3 derivations will be built:
  /nix/store/pqzd5q7w47l088lmagyyf2g9lqn7bq3g-eca-native-macos-aarch64.zip.drv
  /nix/store/0aqabkp14nrs9097afqyfkrd1jydi1z8-eca-0.169.0.drv
  /nix/store/iwd602c2rlsr5zi931va4213mfqfvaxn-check-eca.drv