these 3 derivations will be built:
  /nix/store/mb0ggwvgjq1dicvrjxj82gbh4jbnx9cm-source.drv
  /nix/store/rxfrilsc5pcihx4pv096wz23zkyfrj9v-plannotator-0.27.19.drv
  /nix/store/lw2arqrzzbcjglgg127mbqky5vw2z8bz-check-plannotator.drv