this derivation will be built:
  /nix/store/qyh31zb1lgz7kwpl2df3vqxgj1icfv61-fastly-purge-lint-0.0.1.drv
this path will be fetched (1.1 MiB download, 5.7 MiB unpacked):
  /nix/store/bjsixg3pn24wc8rlj2nk1chmbsapppx9-composer-2.10.3