these 2 derivations will be built:
  /nix/store/id12z0p386v46sj5cgawyhfqrk84jic6-meme-5.1.1.tar.gz.drv
  /nix/store/dkrkaq48gwwkx19ajbmv9a8rx0x9w27q-meme-suite-5.1.1.drv