these 2 derivations will be built:
  /nix/store/rass6djqbib9pis8pbxai32cayb7bp6r-markdown-tree-parser-1.6.1-npm-deps.drv
  /nix/store/kvsqlqgb2i2hm3n0ll6j3vssfpmfkph9-markdown-tree-parser-1.6.1.drv
this path will be fetched (0.0 KiB download, 1.6 MiB unpacked):
  /nix/store/lnfsc9rrd8p6b897hi6dvm391ir96b8d-source