these 5 derivations will be built:
  /nix/store/7pnkz9284qb5h33casj36bhg81cv6b78-source.drv
  /nix/store/clknc53za5fzh145pqj0z67j3wqpw7am-sandbox-runtime-src-with-lock.drv
  /nix/store/bai2f8qva0clmdrn1h8f134w4w0hh2k8-sandbox-runtime-0.0.81-npm-deps.drv
  /nix/store/6s9vl5nx7xdmfmhx16zlgv41lrbikngq-sandbox-runtime-0.0.81.drv
  /nix/store/ha7f7r6nabhmn06lnj47rzwamr8i5fdd-check-sandbox-runtime.drv