these 3 derivations will be built:
  /nix/store/qcnrq5k719x2s7bw44gaf1rd5yciba6d-source.drv
  /nix/store/qk9y53wrmf8d6fwczlwn5y0blkczskv6-herdr-eternal-deps-0.1.0.drv
  /nix/store/6ffgc31ld95saw9sadx9b1yxygkjy7y1-herdr-eternal-clippy-0.1.0.drv