these 20 derivations will be built:
  /nix/store/ff0j00myy5hv2m2f5ayhyzry3djm94ci-cargo-src-bit-vec-0.10.1.drv
  /nix/store/2sf2xcfy6br4vhvclqnjr9i4aaynldk2-cargo-package-bit-vec-0.10.1.drv
  /nix/store/49gz0alm37yfnpvc1v8xkhscaxrhv9c5-cargo-src-bit-set-0.11.1.drv
  /nix/store/4vb9dcxq1iccac62lz7iy5mnsanzdc7r-cargo-package-bit-set-0.11.1.drv
  /nix/store/bakfwlbd9k0hn815373glz8c6zyfgym2-cargo-src-rand_xorshift-0.5.0.drv
  /nix/store/6aqvm0b6v4f18xa0wdn2flrls1cqy3bc-cargo-package-rand_xorshift-0.5.0.drv
  /nix/store/mq0mrhljyyv9gk8s8kasd9lk1sqx4im5-cargo-src-proptest-1.12.0.drv
  /nix/store/7qch957rim4l97xrzbn4y5xy6vljs2kq-cargo-package-proptest-1.12.0.drv
  /nix/store/hi0j67lq56hflhpfh8fnqhjy6jlk74db-cargo-package-borsh-1.8.1.drv
  /nix/store/pm4l5dyahaxjhjqrbxq81c254w9qb8fp-cargo-package-toml_parser-1.1.5+spec-1.1.0.drv
  /nix/store/x5qzz77ps90szxrj8cxal8aw0vzh352j-cargo-package-borsh-derive-1.8.1.drv
  /nix/store/m6w28m5rzf7bdicsc9phpl7h3bzsnyqx-cargo-src-toml_edit-0.25.17+spec-1.1.0.drv
  /nix/store/xma0pf2hi0509ff55pplbyz9pl9s476k-cargo-package-toml_edit-0.25.17+spec-1.1.0.drv
  /nix/store/zvgvhgz8f5r96c2fbhap6xdv90scnxp5-cargo-package-rand-0.10.3.drv
  /nix/store/zwq1pwd5zjy3ww5apvwixwdkzbhqiy5l-cargo-package-toml_datetime-1.1.2+spec-1.1.0.drv
  /nix/store/d14h033rbg36pc0bg19lm8hzww9fkhaz-vendor-registry.drv
  /nix/store/53ijvq5lqd4hcdfp482sdxxb18al4ix2-vendor-cargo-deps.drv
  /nix/store/izz172nb616m6wq8bmzfx0cjin6kfs1f-source.drv
  /nix/store/scx0wn0qsfkhyk0czyzvbcm1s6v5bc9c-tincd-deps-0.1.0.drv
  /nix/store/30vhjkd81xwdq5y0fs9shnp62fx8zl5b-tincd-0.1.0.drv
these 2 paths will be fetched (116.3 KiB download, 116.2 KiB unpacked):
  /nix/store/zizz5vi6kww0yfl9g2jx6883n1ipi8q9-cargo-src-borsh-1.8.1
  /nix/store/8c16yx6yq04cwxc721ijqcf2w03argrf-cargo-src-borsh-derive-1.8.1