these 8 derivations will be built:
  /nix/store/3749hlrb4wlg5s2f7l9szckxbyzs4amx-cargo-package-rstest-0.28.0.drv
  /nix/store/858qpv7lgswwsk0dpvyvmkjbnnmxymsc-cargo-package-rstest_macros-0.28.0.drv
  /nix/store/i9bvnlbizzgl5cww1b7bvkjd03spc9l1-vendor-registry.drv
  /nix/store/1mw6rv3c7ry6ifm7rhx5q1810yjbpx74-vendor-cargo-deps.drv
  /nix/store/43wrddyvpm4lwp4nbmkmcygmr8f5x28w-Cargo.toml.drv
  /nix/store/9wv9bvrfkshn48ng0japi296fy4yk08y-source.drv
  /nix/store/m6zipvhsmb0fxzl70j44jf910xdcr4pi-harmonia-deps-3.3.0.drv
  /nix/store/5qhky6zyc3bgr365njmkvbmc2zj6ylq7-harmonia-llvm-cov-3.3.0.drv