these 3 derivations will be built:
  /nix/store/kk675ik0pjb2248wyffb6l8zb896kim3-ccusage-20.0.40-vendor.drv
  /nix/store/059ba84i8cfb8dbbwx81i8d47rxzc09y-ccusage-20.0.40.drv
  /nix/store/nb10kzhp58lqq0qm5kph9zmc2gkcq4j6-check-ccusage.drv