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/9fahby0mzk346d64ma528wgigzms2ym2-tofu.drv
  /nix/store/2lvxrxh26rqk7r7v1dxnfckjg9qmpkir-cache-new.drv