these 5 derivations will be built:
  /nix/store/32iazx0g9s5j35ypfzi7lwyzg7zy1qsk-source.drv
  /nix/store/mg1azylk2nkxb57l6a838nybxqzml679-jscpd-5.4.1-vendor-staging.drv
  /nix/store/mjyncc3p8gxwgwcdrcs3d0liqfdzvl86-jscpd-5.4.1-vendor.drv
  /nix/store/1r2c8vi2y66zfsmfc5g0s3q9n7cs6rmx-jscpd-5.4.1.drv
  /nix/store/y4ni42g220ax68m53dcdz1d120phj2wl-check-jscpd.drv