these 2 derivations will be built:
  /nix/store/ssxkgvh3wyqcfn5hpk03bgb25yarc0zj-coco-1.2.24+183154.baac4cb1308e.drv
  /nix/store/1k4gr1nfivvjbyxd6vmcyig8jrmrw2hd-check-coco.drv