these 2 derivations will be built:
  /nix/store/13ykba1yv68axppnfw4pca3hpambqa3x-closure-info.drv
  /nix/store/sybvrwi958vdd6lqkjbzh61jlzc91axg-check-vars.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/y3x145p3n2h2bzv71lqidgi24dbk3i4i-clan-cli
error: path '/nix/store/r6njkhg5zr2gvabclnnmr05knk3sh2q3-check-vars' is not valid
error: Cannot build '/nix/store/sybvrwi958vdd6lqkjbzh61jlzc91axg-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/r6njkhg5zr2gvabclnnmr05knk3sh2q3-check-vars