these 5 derivations will be built:
  /nix/store/px88fd1n54cgyajyzqxxzvw37v8k9am7-clan-runtime.drv
  /nix/store/536c0y5yim596g21wil72myqr0v9jgyp-clan-cli-source.drv
  /nix/store/bc62wfwis7hxmc32i5mi6gdk8cz5hkbr-clan-cli.drv
  /nix/store/qjfb2fxf70xcf4bk6ppwdc94b3q2b060-tofu.drv
  /nix/store/f0drfgdvihxw1qj986rya19nk8nrs8ql-cache-new.drv