these 7 derivations will be built:
  /nix/store/0j1ysglgjf8rv5zgjll9g8x32v23rwm8-cargo-src-ed25519-dalek-3.0.0-pre.7.drv
  /nix/store/17n56319s2y3yd0a4bn4aijnjc4r76r7-cargo-package-ed25519-dalek-3.0.0-pre.7.drv
  /nix/store/28mzfasbqvly6y09wmlfs72lbbzdgh1h-source.drv
  /nix/store/yhhi5jf0rq7pf81240i6nixg7sj5lifa-vendor-registry.drv
  /nix/store/7zpvh8hnrjypapim2cqclkgpycf6smz8-vendor-cargo-deps.drv
  /nix/store/kl6ykz8mzb7adcx5dbid0pg2i471cr0g-tincd-deps-0.1.0.drv
  /nix/store/nqjnbxd0awmswjv7gj1xzgfgsr8gwk3n-tincd-clippy-0.1.0.drv