these 3 derivations will be built:
  /nix/store/1rfprcpv3xy56cwbl1prd9y8ljjlsavx-tokio-1.53.2.drv
  /nix/store/7svdhxyswy11dab0hm17a0i219c0fzbv-cargo-vendor-dir.drv
  /nix/store/cf5jl7m6nl5y5gv1a7vz4cvlbjrf61nr-fast-nix-gc-proptest-0.1.0.drv