these 3 derivations will be built:
  /nix/store/i01ikz0w9kljial30367qaqx3al5ac49-clan-cli-source.drv
  /nix/store/gjs973d3x3613kb1rba7ph3qr2wm1ris-clan-cli.drv
  /nix/store/picqba41xacb9yqnixjig8mr16q4bfa8-nix-shell.drv