these 4 derivations will be built:
  /nix/store/mrw7wyhzlxjdl95mxpm8vk2hxrrjbqc0-clan-cli-source.drv
  /nix/store/5idjacx4nf2vqcly9mynycn2vm68icm4-clan-cli.drv
  /nix/store/d3n63272qgm9cg9xn80j3ml1bn9kq9y7-closure-info.drv
  /nix/store/03lahn5vjq4z1v0ygk1xm216jnnz3i97-check-vars.drv