these 4 derivations will be built:
  /nix/store/llb6b2hiaf61l1i30dvns7p18incn3ac-ccusage-20.0.37-vendor-staging.drv
  /nix/store/d3zm6rkdh3v0kglgfmjbx324kls277lb-ccusage-20.0.37-vendor.drv
  /nix/store/m1a0g5yj0pf0kpfkmbfd7xrcbzkviy4l-ccusage-20.0.37.drv
  /nix/store/b2mfr9xrs6n3fg39m1rd1sqc6qxgqv0d-check-ccusage.drv