these 3 derivations will be built:
  /nix/store/nk4ygb5q90qdffzddrighand0h1fnrl9-source.drv
  /nix/store/nyi7rwdjfm655p0v94ys9ci1z6rvh06c-ccstatusline-2.2.34.drv
  /nix/store/h745dy1zifjw2bivnd06m4xixxaxnrpd-check-ccstatusline.drv