these 2 derivations will be built:
  /nix/store/n7yvzyw1bc47359kc4sx1z4rsyl6rzp3-closure-info.drv
  /nix/store/b7kz6gr212rn7kyjmx3rff9mp1sa3cgz-check-vars.drv
this path will be fetched (0.0 KiB download, 3.9 MiB unpacked):
  /nix/store/d0dkl6z10lfjc4aq597y6im6kv4nb7vx-clan-cli
error: path '/nix/store/h20diwr0nzbhaq8hnxvjl1pvargcdw1b-check-vars' is not valid
error: Cannot build '/nix/store/b7kz6gr212rn7kyjmx3rff9mp1sa3cgz-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/h20diwr0nzbhaq8hnxvjl1pvargcdw1b-check-vars