these 4 derivations will be built:
  /nix/store/2l26rrq89msbl961s51vch2szimvfiy7-clan-cli-source.drv
  /nix/store/3x9kan6nqwszc5mkw29ck98nx187994k-clan-cli.drv
  /nix/store/xi0hm7nv1csp92yik9acwxrynx8hlksh-tofu.drv
  /nix/store/sqzs1gpl1y2ka8ry5091085prlrpfg64-dns.drv