these 6 derivations will be built:
  /nix/store/s9p7l4k8rqr2b4nqfq7lnsj19730r6zv-tofu.drv
  /nix/store/8l3bvyby8l54jy8v4x7l9sxxibspcrv3-init.drv
  /nix/store/gpq7b1nry0d7zx5z9ifm55wipqpifd4z-plan.drv
  /nix/store/hqpjf2k5pwk8h4jj2isgashz3dj6yjc5-apply.drv
  /nix/store/jc6mzzssmfbrpq1597hsxd3rmfsc685z-destroy.drv
  /nix/store/xkq4nhsrzvxn62h47h9nbwf1jafpn979-nix-shell.drv