these 5 derivations will be built:
  /nix/store/zjkkqickd9m3zmx35hsh4kr5fnd6rwqp-source.drv
  /nix/store/15r32z02cch9j8cmagc72la0wa0fxngw-jcode-0.90.0-vendor-staging.drv
  /nix/store/n9k8ac8r2jhk7m2zqj3v2dxbrns9sj16-jcode-0.90.0-vendor.drv
  /nix/store/hxp0ciq97z1dq5kb865yaffh8qcb4w7v-jcode-0.90.0.drv
  /nix/store/43p5gms3w4wljcdkacs8p76jqbn7gdj5-check-jcode.drv