these 4 derivations will be built:
  /nix/store/0kb5f2p0l8xnda2lqj6s7v52v6q9g8w0-clan-cli-source.drv
  /nix/store/m5ai786ci8p0iyqly11hcaihl93jqnam-clan-cli.drv
  /nix/store/r8brprx8kny41gw752gpqgkrb4q9ccaf-tofu.drv
  /nix/store/k62ki981xb8nxa3nq52pl5gvalbjk5wy-cache-new.drv