these 5 derivations will be built:
  /nix/store/wjpmv0jxk1hs6mh9d2wyrddfq9pnmamx-source.drv
  /nix/store/1n65hc65m72dsb8v35h1ndjhmjfxic7v-jcode-0.99.1-vendor-staging.drv
  /nix/store/fpxdvf68cdsqb4cpfqgkri28la7rsx57-jcode-0.99.1-vendor.drv
  /nix/store/4wxm026a2mdml9svfk53cg9jig2c597i-jcode-0.99.1.drv
  /nix/store/8vhr8m56lf0rfdpcaa5irr1yza1m0pjr-check-jcode.drv