these 4 derivations will be built:
  /nix/store/0kb5f2p0l8xnda2lqj6s7v52v6q9g8w0-clan-cli-source.drv
  /nix/store/m5ai786ci8p0iyqly11hcaihl93jqnam-clan-cli.drv
  /nix/store/x2m8cnlhcyjyxk3ljyidngzzblx6pz5d-tofu.drv
  /nix/store/z6yxwg7pfkfdd79xq2cx7qd98m3mj8l9-dns.drv