this derivation will be built:
  /nix/store/1b7cgri7b3rl8hjjrcgbmyq1wvm9lya2-niks3-go-unit-tests.drv
this path will be fetched (161.9 MiB download, 546.2 MiB unpacked):
  /nix/store/x4qw92iazkgsqhhz7hhwylsjwhq88igy-rustfs-1.0.0-rc.3