these 3 derivations will be built:
  /nix/store/nlbb5d21j4ssqyd7y7sy570bk16pglnv-clan-cli-source.drv
  /nix/store/0giysdi17m1vv9j3l64jkbdqq4mvlraq-clan-cli.drv
  /nix/store/dvz7cqk99adysykdj8als9xa4i70vvwp-nix-shell.drv