these 6 derivations will be built:
  /nix/store/zmj3sr8v6z7vygmv3m1f63np8czi379h-source.drv
  /nix/store/jw5jzbsc4fk0kbn35fgpjdsz0105yf42-cpa-usage-keeper-frontend-1.15.11-npm-deps.drv
  /nix/store/wjb2l52xi6acpks4kmsffa2jycx2akbq-cpa-usage-keeper-frontend-1.15.11.drv
  /nix/store/sd7iflr3vcydypjl4w3lc5j4m498270i-cpa-usage-keeper-1.15.11-go-modules.drv
  /nix/store/54q29daj9fv4fmj234nf269x4n57kya7-cpa-usage-keeper-1.15.11.drv
  /nix/store/s07x8xzqjvpcmpz22azg7j9kkhxj1i60-check-cpa-usage-keeper.drv