these 3 derivations will be built:
  /nix/store/3gqskrd9v7gq6gvb66lrvqhhxrv4s8sw-source.drv
  /nix/store/6mcmpk0jvaksrhvdmvbqqsr6wp1qg4ss-gnhf-0.1.52.drv
  /nix/store/hracjars0cbk6sar3pdabnrqpgpv9hr3-check-gnhf.drv