these 8 derivations will be built:
  /nix/store/wzbqqbys2s8wim892cbfmc4imhnm536h-Cargo.toml.drv
  /nix/store/j2zv0f65mi4ryjpp7piman9ir0zlqxvl-source.drv
  /nix/store/jl0bxm5fc8ga9zfq9ch61rxkcv1x8fq0-cargo-package-rstest-0.28.0.drv
  /nix/store/m0lbc9cma5nrynxc0l8dz65ra9208nn4-cargo-package-rstest_macros-0.28.0.drv
  /nix/store/dfdhjzjhlpchf01z307dsakr2dnk95jb-vendor-registry.drv
  /nix/store/rxc6xm0y05xdpiy4jgbhbwyrxiqfk637-vendor-cargo-deps.drv
  /nix/store/97dnxi6fal8bbxjgdx283wwmyflgcp4d-harmonia-deps-3.3.0.drv
  /nix/store/31bjpj4b0j5rrkh4dq7mn45sv6xjhyyd-harmonia-llvm-cov-3.3.0.drv