these 5 derivations will be built:
  /nix/store/w4cwd58r3i01z2sqgzfdj2ji4vxcqgjy-clan-runtime.drv
  /nix/store/kvjfihkv2a1rhl6k480sq0l89sq9fyiv-clan-cli-source.drv
  /nix/store/mnshnx1qcxizz75szrmm3axdccjfqhaw-clan-cli.drv
  /nix/store/bdfxni0gy4dclqfn9rbrg1livl005vnb-tofu.drv
  /nix/store/9z8jrpv5ix8q048vgkxnvmc3bp4nhl7p-cache-new.drv