these 2 derivations will be built:
  /nix/store/zm2vbci522ciway1lgw06f63ppv21nsc-jscpd-5.4.1.drv
  /nix/store/n843j94y3pari1fmk7baaz07z9ylbwzb-check-jscpd.drv
this path will be fetched (0.0 KiB download, 473.9 MiB unpacked):
  /nix/store/wxw0nz2gg5j5y1lnwz0lvk6bpfb41ynl-jscpd-5.4.1-vendor