these 5 derivations will be built:
  /nix/store/4ha4zwpkg0y7mywvsfd1026bdkklxh8h-source.drv
  /nix/store/jfzzba5in50wr92qyqkqr11rbc8f868f-sandbox-runtime-src-with-lock.drv
  /nix/store/ky3hifkz4li8dg4628i2x0cr0yn1m9yw-sandbox-runtime-0.0.78-npm-deps.drv
  /nix/store/a720ax87an2qp081wgsp0p899xzyr1wd-sandbox-runtime-0.0.78.drv
  /nix/store/gc0qmw7xzd40dxlymv8zdprkr6ylkq8f-check-sandbox-runtime.drv