these 4 derivations will be built:
  /nix/store/jhib9ai3z3i7qd995j2wc00bjvqphxlj-crate-cc-1.8.0.tar.gz.drv
  /nix/store/74ll3ar5r8s6lkdplzl9a266n82yqqky-cc-1.8.0.drv
  /nix/store/k4dxx0yjxy417bgvixrm3g8vxf6k9v38-cargo-vendor-dir.drv
  /nix/store/jff2w0yrfilvccxxsx3nkan6fzby9xh3-nix-ld.drv