these 3 derivations will be built:
  /nix/store/7gdb0wkm4d0k172cl630nbvrm7wkz71j-jscpd-5.3.3-vendor.drv
  /nix/store/h84hb1q9y7gp4dc52hz07wkfahg8lax6-jscpd-5.3.3.drv
  /nix/store/0rkgrbji3lg9rsj75xi9wjb2djy5zjvp-check-jscpd.drv