these 2 derivations will be built:
  /nix/store/b0r0v8qnmc1s6yk2vxx4rn9g4wclxvjj-closure-info.drv
  /nix/store/gvsngqys1054s7608j22y5xygywz0iiz-check-vars.drv
error: path '/nix/store/i9j343ikm4xgda6qi13bs6s8cbwl3ylr-check-vars' is not valid
error: Cannot build '/nix/store/gvsngqys1054s7608j22y5xygywz0iiz-check-vars.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/i9j343ikm4xgda6qi13bs6s8cbwl3ylr-check-vars