these 7 derivations will be built:
  /nix/store/f7vzga4llsl32a0300028p4sq2v1zw25-Cargo.toml.drv
  /nix/store/k62hbp5vx5wivbmbf6xmvaxg2vll3xav-Cargo.toml.drv
  /nix/store/s7vb9sn9ki0kp3v1kbcks5m900nkxdbc-Cargo.toml.drv
  /nix/store/xrl36nfdxrxx5caa9r2bplnriz8wfgv5-Cargo.toml.drv
  /nix/store/bkhanmwkzhw11dyvmfzvllkmgpmbcprx-source.drv
  /nix/store/8j51y1nhgpvqa9p6v4fqsd6vqa600vda-herdr-eternal-deps-0.1.0.drv
  /nix/store/svkgqd9nr71187acs03vpzcg65y0yw02-herdr-eternal-clippy-0.1.0.drv