these 4 derivations will be built:
  /nix/store/czpfnl681qkxazsrwzi24jw45m0kbcyw-ccusage-20.0.29-vendor-staging.drv
  /nix/store/06kwji1p1nia063bhxc712gpmidvykk4-ccusage-20.0.29-vendor.drv
  /nix/store/amc2v4y6dd95jms02cz10rdr3kfyrmlx-ccusage-20.0.29.drv
  /nix/store/z2c6qnkbdrc5qpl7sl45b8yhh3b65gcx-check-ccusage.drv