these 5 derivations will be built:
  /nix/store/d1c8d9vrakly8haacx8gkn7gcd7ygdz7-source.drv
  /nix/store/w0x30yvaifjzfsgpplv6fv36j7hb87s4-cpa-usage-keeper-frontend-1.15.6-npm-deps.drv
  /nix/store/d7bw5mfxgjyz0j7chvh64cq1lscagwy1-cpa-usage-keeper-frontend-1.15.6.drv
  /nix/store/raqswv62vygmh12rc8zlzl0h5fav3lx0-cpa-usage-keeper-1.15.6-go-modules.drv
  /nix/store/sbmlj52xgn129xpl7irn7yf4pcg7qns5-cpa-usage-keeper-1.15.6.drv
warning: SQLite database '/nix/var/nix/db/db.sqlite' is busy