these 5 derivations will be built:
  /nix/store/9wfq4gsjlxa40l58bb5p5279ck8nbx7x-source.drv
  /nix/store/v60dqjzz9c5jqk59cjclgw8x76i9kl7f-rtk-1.1.0-vendor-staging.drv
  /nix/store/ccfa9bajhvii7wlf2w7dzd9adijm7wna-rtk-1.1.0-vendor.drv
  /nix/store/9wnq4wdpy2j5vyhywbvr4wwbqzn7d87x-rtk-1.1.0.drv
  /nix/store/q49ml5qikn4p2fg48cwknhfi6vqczjpd-check-rtk.drv