these 6 derivations will be built:
  /nix/store/1aw3qns8k1jd0rg810qzk7iaxqzhyvfr-source.drv
  /nix/store/zn9v2ashi44781n2b7mr6iwawxh3gr5l-cargo-package-tokio-util-0.7.19.drv
  /nix/store/y9ph0bzbmzb66k3hnv5ilbsj4pafkrfh-vendor-registry.drv
  /nix/store/nvfq6lrcyfxldcvd09gc3r8jp20rpddv-vendor-cargo-deps.drv
  /nix/store/f0ghgsk0zs441vny2zh2scn0xb58x7z1-harmonia-deps-3.1.0.drv
  /nix/store/7y60q52xs1s1i1w68z14z4kiky9cngbq-harmonia-llvm-cov-3.1.0.drv