these 5 derivations will be built:
  /nix/store/m5cs2mfqcl8bm9imynbc0vvyxck18qfw-clan-runtime.drv
  /nix/store/3m00pcb54p64a3y843xh133mnysc0g7l-clan-cli-source.drv
  /nix/store/nwlnvp92yw8xafgarpmpbx2y1mw8h5k5-clan-cli.drv
  /nix/store/h4bx0zpyi2aali7fi9bwgcli3h7gp66g-tofu.drv
  /nix/store/sff7razvc6qb3nwmhn2bdxphpanik38m-dns.drv