these 5 derivations will be built:
  /nix/store/x6xxsmgajc5hsyc3jhk2kj8x4x3ys1cd-clan-runtime.drv
  /nix/store/shaps5p3c8xpxhb3jgclpm5i7ad60xif-clan-cli-source.drv
  /nix/store/l8dmiw5i5sssa8v82p46m4lyq2ca91b3-clan-cli.drv
  /nix/store/hlg29nz804d3pcchdqljyv4d2qai8k8s-tofu.drv
  /nix/store/n7mpxih0f1vsjrfrvs0k8fx8655nbi8j-dns.drv