these 6 derivations will be built:
  /nix/store/hjv7l7lrnv1mw8smf23j6ibgvbjrgzys-cargo-package-http-range-0.1.6.drv
  /nix/store/bc6l0qs5cxpa69dwplnb4bbr8wmy4wvg-vendor-registry.drv
  /nix/store/rjfdadzia8rnd7p24m9wbf9jfny0jj1p-vendor-cargo-deps.drv
  /nix/store/s79fxq0nkcinpfwmb1gifyg984y5dslg-source.drv
  /nix/store/80bnayvdgj56kszgm6dj43rc1v9r2d89-harmonia-deps-3.3.0.drv
  /nix/store/jdgl5pqwwhz4l3g5v5k5sd7pw6xgg4fh-harmonia-llvm-cov-3.3.0.drv