these 3 derivations will be built:
  /nix/store/ffzwffxb6ag5amnv2nv3jp3jwkqi0r9z-source.drv
  /nix/store/fhqp91r78an8s8gg8fv9vbdm4jgy5c1a-plannotator-0.27.21.drv
  /nix/store/g2vvy19kal7vyd8hspicss5fhmnp8w2i-check-plannotator.drv