these 5 derivations will be built:
  /nix/store/ia745z4vzwwdhi96zmk107pfvr5k4mqj-source.drv
  /nix/store/h53895a9cn4jdzk84m5cjw322bjq431x-ccusage-20.0.33-vendor-staging.drv
  /nix/store/2rzykvnsh9vxmjwhlaxyrsmdjkj6fqkv-ccusage-20.0.33-vendor.drv
  /nix/store/vkv9zvq54caid5nsw44s2bh4n1xrqqd1-ccusage-20.0.33.drv
  /nix/store/1air99z6434idifcpjby2ydn0z1rnsz5-check-ccusage.drv