these 4 derivations will be built:
  /nix/store/1zgwqhjadx4a17m2psgj7avz1srd56yj-source.drv
  /nix/store/mfcg53a2bqmgdx5h6lya72gi0sfvqcck-code-0.6.166-vendor-staging.drv
  /nix/store/ssnjyyv1izcv3akm7hwrrwgcbc8sjz2l-code-0.6.166-vendor.drv
  /nix/store/pzfw95gxfwmhl56hbznqvx3abni56b6z-code-0.6.166.drv