these 4 derivations will be built:
  /nix/store/225h4f35wqrx5yalzzjknjdv7zjm9mlg-clan-cli-source.drv
  /nix/store/mng99b1r6dph30lnnzsyjyxzcbgz05d8-closure-info.drv
  /nix/store/nbzsgzdxslb0g13xkyja18bkv8nn9zn7-clan-cli.drv
  /nix/store/wvmvsw2w0rbnvhf8mppj376zvpkv2fcn-check-vars.drv
error: path '/nix/store/25p3xvlafqa0gvzk711h9k4qc1igks4d-check-vars' is not valid
error: Cannot build '/nix/store/wvmvsw2w0rbnvhf8mppj376zvpkv2fcn-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/25p3xvlafqa0gvzk711h9k4qc1igks4d-check-vars