these 6 derivations will be built:
  /nix/store/n4im27kcdz24myy0cj5qwwy8g0h2a12h-crate-toml-1.2.0+spec-1.1.0.tar.gz.drv
  /nix/store/1db5p6qc1diwmxg4v591mi6lcm88yjhj-toml-1.2.0+spec-1.1.0.drv
  /nix/store/dbhqgz2xjyfhkykpgmb5fj472qdrm03j-crate-toml_writer-1.2.0+spec-1.1.0.tar.gz.drv
  /nix/store/zkkrrmnm4jpj1f99m3s12ikal1kyci7w-toml_writer-1.2.0+spec-1.1.0.drv
  /nix/store/iygmmrzml9njk4w7mxxn20rhjz897gmv-cargo-vendor-dir.drv
  /nix/store/r7qv9v300ks2fvhqnsfblw4dsdc656zb-bob-0.1.0.drv