these 3 derivations will be built:
  /nix/store/5b61mq7dw87ybl1yxhh6pc1rm36lfaky-cpa-usage-keeper-frontend-2.0.0.drv
  /nix/store/7kcqav14nxcvlb8x9szkfl79792b9fa3-cpa-usage-keeper-2.0.0.drv
  /nix/store/k7r9kmgvr65p123hwir2js72pdj4jw8p-check-cpa-usage-keeper.drv
these 2 paths will be fetched (1.1 MiB download, 2.7 MiB unpacked):
  /nix/store/9ga49zcnv2235c8mp68xa3ybcavjrps7-npm-config-hook
  /nix/store/ixhclddh1qah24pd5rqx6jps8sgz5qfc-prefetch-npm-deps-0.1.0