this derivation will be built:
  /nix/store/q99yah1vv3qi98p6n2c1cl594yhsrryn-nix-unit-check.drv
this path will be fetched (0.0 KiB download, 424.6 KiB unpacked):
  /nix/store/m72k551h4cay6krz5ahi8ic3v2ri07z4-nix-unit-2.35.1