these 2 derivations will be built:
  /nix/store/f77xim7ggk5nxym9vbhj6rr869j7j33d-jcode-0.95.0.drv
  /nix/store/cglmvnz3d6bfbjj7zs5rb7qc1drxfw6l-check-jcode.drv
this path will be fetched (0.0 KiB download, 1.2 GiB unpacked):
  /nix/store/hx69pv6sf800sd35w9hsv48chy6gwxk0-jcode-0.95.0-vendor