these 6 derivations will be built:
  /nix/store/54dk7h60ci2j69n2nkpcl9jr8i2l4cs8-serde_derive-1.0.229.drv
  /nix/store/hzjmfbx4cczs8zj0gr41bjdyyhid154d-serde_core-1.0.229.drv
  /nix/store/i4l16k2ibp1n21az8qbp7rq9s0l2f5qv-serde-1.0.229.drv
  /nix/store/id0k80m1922jik797srs9pxn07acjgrp-syn-3.0.6.drv
  /nix/store/29p5f8rpv3f5835q4ijhxjqvxdglvxfl-cargo-vendor-dir.drv
  /nix/store/ly6bn215v1872lj9pjg552ihyhwm97x2-bob-0.1.0.drv