these 2 derivations will be built:
  /nix/store/lzzjggq51qzg5fak8byx9x506yl238qr-source.drv
  /nix/store/6yrm4cixkq04b7cvlqj6hfwqgrd41gv5-plmc-0-unstable-2023-01-21.drv