these 6 derivations will be built:
  /nix/store/6kq8qadnml4jzbzng945a5i0rzn54530-source.drv
  /nix/store/bl304s5msyamaa68yvfbb7mc8wm10kin-cargo-package-syn-3.0.5.drv
  /nix/store/bpakrqa06m42p61x44rs87fx5ng29983-vendor-registry.drv
  /nix/store/r1z7xfjznli4n9gjqrw1pwk0jcp083cd-vendor-cargo-deps.drv
  /nix/store/lvb6w853fdnslxjj19cxn6zr0jz7dihi-harmonia-deps-3.2.0.drv
  /nix/store/x7cnspd34xmqav8nc643cijwp9i0awf3-harmonia-llvm-cov-3.2.0.drv