this derivation will be built:
  /nix/store/07bs6kxmbx2bd131qql4ks75c0n24xb9-niks3-go-unit-tests.drv
this path will be fetched (194.2 MiB download, 647.8 MiB unpacked):
  /nix/store/lp1p75kq156y9dzqnhkkdkc374jwadjl-rustfs-1.0.4