these 3 derivations will be built:
  /nix/store/25mi1hssi55md81i5j6hvrjbm4g7737r-freebuff-linux-arm64.tar.gz.drv
  /nix/store/na5nppvcxh92yrdpqsz779yqvra71j8n-freebuff-0.0.189.drv
  /nix/store/3y7yaiggfghq51fjbkvgdfxz4wpjwvjp-check-freebuff.drv